Zonal machine control

Description

FIELD OF THE DESCRIPTION

The present description relates to controlling a work machine. More specifically, the present description relates to controlling subsystems of a work machine differently, in different geographic areas, based upon a predictive map.

BACKGROUND

There are a wide variety of different types of work machines. They include machines such as construction machines, turf management machines, forestry machines, agricultural machines, etc. In some current systems, a priori data is collected and used to generate a predictive map that predicts one or more different variables, that may be relevant to controlling the work machine, for a particular worksite. The map maps the variables to different geographic locations on the worksite. The maps are then used in an attempt to control the machine as it travels about the worksite performing an operation.

One particular example is in controlling an agricultural harvester. Some current systems attempt to collect a priori data (such as aerial imagery) and generate a predictive yield map from the a priori data. The predictive yield map maps predicted yield values, in a field being harvested, to geographic locations in that field. The systems attempt to control the work machine based upon the predictive yield map, as it travels through the field being harvested.

Thus, there has a been a relatively large amount of work done in attempting to predict yield from aerial imagery data.

The discussion above is merely provided for general background information and is not intended to be used as an aid in determining the scope of the claimed subject matter.

SUMMARY

A work machine receives a thematic map that maps values of a variable to different geographic locations at a worksite. Control zones are dynamically identified on the thematic map and actuator settings are dynamically identified for each control zone. A position of the work machine is sensed, and actuators on the work machine are controlled based upon the control zones that the work machine is in, or is entering, and based upon the settings corresponding to the control zone. These control zones and settings are dynamically adjusted based on in situ (field) data collected by sensors on the work machine.

This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This Summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. The claimed subject matter is not limited to implementations that solve any or all disadvantages noted in the background.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a partial pictorial, partial block diagram of a work machine in an example where it is a combine harvester.

FIG. 2 is a block diagram showing one example of the work machine shown in FIG. 1, with portions illustrated in more detail.

FIG. 3 is a flow diagram illustrating one example of the operation of the work machine shown in FIG. 2, in receiving a priori data, identifying machine control zones, and corresponding settings values, and controlling the work machine based upon the control zones and setting values, and based upon the position of the work machine.

FIG. 4 is a flow diagram showing one example of the operation of the work machine in generating different sets of control zones, each having their own settings values, for different corresponding actuators on the work machine.

FIG. 5 illustrates one example of a clustered thematic field map with ranges of variable values clustered in different geographic regions.

FIG. 6 shows one example of a field map, such as that illustrated in FIG. 5, with control zones identified thereon, based upon the clustered variables.

FIG. 7 shows items in previous Figures, that in a remote server environment.

FIGS. 8-10 show examples of mobile devices that can be used in the architectures shown in previous FIGS.

FIG. 11 is a block diagram showing one example of a computing environment that can be used in the architectures shown in previous examples.

DETAILED DESCRIPTION

As discussed above, some current systems have attempted to use a thematic map (such as a yield map) created from a priori data (such as aerial imagery data or historical data) in order to control the work machine (such as a harvester). However, this can present a number of difficulties. For instance, the thematic map (generated based on a priori data) may be inaccurate. Similarly, many such systems have attempted to control the work machine based upon instantaneous values of the variables reflected in the thematic map (e.g., based upon the instantaneous yield values, given the location of the harvester in the field). This can also present difficulties. By way of example, it may be that the actuators on the work machine are not responsive enough to adjust quickly enough to the instantaneous changes in those values. Similarly, different actuators may react differently to different variables. Thus, attempting to control all, or large subsets, of the controllable subsystems on the work machine, based upon a particular thematic map (such as a yield map) may result in poor control of the machine.

Thus, the present description is directed to a work machine that can receive a thematic map and generate control signals based upon that thematic map, but that can also iteratively and dynamically modify the thematic map (or data derived from the thematic map) based upon in situ, field, data that is detected by sensors on the work machine, as the work machine is performing its operation. In another example, the present description describes a work machine that breaks the control model (e.g., the predictive thematic map) into control zones, by clustering the variable values represented on the thematic map. This avoids the control system on the work machine attempting to control the work machine based upon instantaneous values (or discrete values) on the predictive map. Instead, the values are clustered and control zones are defined. Each control zone has a set of settings for the controllable subsystems, or work machine actuators, so that, as the work machine enters a particular control zone, the controllable subsystems (or work machine actuators) are controlled based upon the corresponding settings in that control zone. The control zones and corresponding settings can also be iteratively and dynamically updated, based upon in situ data.

The present description also describes an example of a work machine in which different sets of control zones are identified, and corresponding settings are also identified for those different sets of control zones, on a per-subsystem or per-work machine actuator basis. That is, each controllable subsystem may have its own set of control zones that are not necessarily related to the control zones for other controllable subsystems. The control zones can be specific to subsets of controllable subsystems, or subsets of controllable work machine actuators, or they can be generated for individual, controllable subsystems or individual work machine actuators, and be specifically tailored to those subsystems or actuators.

FIG. 1 is a partial pictorial, partial schematic, illustration of an agricultural machine 100, in an example where machine 100 is a combine harvester (or combine). It can be seen in FIG. 1 that combine 100 illustratively includes an operator compartment 101, which can have a variety of different operator interface mechanisms, for controlling combine 100, as will be discussed in more detail below. Combine 100 can include a set of front end equipment that can include header 102, and a cutter generally indicated at 104. It can also include a feeder house 106, a feed accelerator 108, and a thresher generally indicated at 110. Thresher 110 illustratively includes a threshing rotor 112 and a set of concaves 114. Further, combine 100 can include a separator 116 that includes a separator rotor. Combine 100 can include a cleaning subsystem (or cleaning shoe) 118 that, itself, can include a cleaning fan 120, chaffer 122 and sieve 124. The material handling subsystem in combine 100 can include (in addition to a feeder house 106 and feed accelerator 108) discharge beater 126, tailings elevator 128, clean grain elevator 130 (that moves clean grain into clean grain tank 132) as well as unloading auger 134 and spout 136. Combine 100 can further include a residue subsystem 138 that can include chopper 140 and spreader 142. Combine 100 can also have a propulsion subsystem that includes an engine (or other power source) that drives ground engaging wheels 144 or tracks, etc. It will be noted that combine 100 may also have more than one of any of the subsystems mentioned above (such as left and right cleaning shoes, separators, etc.).

In operation, and by way of overview, combine 100 illustratively moves through a field in the direction indicated by arrow 146. As it moves, header 102 engages the crop to be harvested and gathers it toward cutter 104. After it is cut, it is moved through a conveyor in feeder house 106 toward feed accelerator 108, which accelerates the crop into thresher 110. The crop is threshed by rotor 112 rotating the crop against concaves 114. The threshed crop is moved by a separator rotor in separator 116 where some of the residue is moved by discharge beater 126 toward the residue subsystem 138. It can be chopped by residue chopper 140 and spread on the field by spreader 142. In other implementations, the residue is simply dropped in a windrow, instead of being chopped and spread.

Grain falls to cleaning shoe (or cleaning subsystem) 118. Chaffer 122 separates some of the larger material from the grain, and sieve 124 separates some of the finer material from the clean grain. Clean grain falls to an auger in clean grain elevator 130, which moves the clean grain upward and deposits it in clean grain tank 132. Residue can be removed from the cleaning shoe 118 by airflow generated by cleaning fan 120. That residue can also be moved rearwardly in combine 100 toward the residue handling subsystem 138.

Tailings can be moved by tailings elevator 128 back to thresher 110 where they can be re-threshed. Alternatively, the tailings can also be passed to a separate re-threshing mechanism (also using a tailings elevator or another transport mechanism) where they can be re-threshed as well.

FIG. 1 also shows that, in one example, combine 100 can include ground speed sensor 147, one or more separator loss sensors 148, a clean grain camera 150, and one or more cleaning shoe loss sensors 152, and position sensor 157. Ground speed sensor 147 illustratively senses the travel speed of combine 100 over the ground. This can be done by sensing the speed of rotation of the wheels, the drive shaft, the axel, or other components. The travel speed and position of combine 100 can also be sensed by positioning system 157, such as a global positioning system (GPS), a dead reckoning system, a LORAN system, a cellular triangulation system, or a wide variety of other systems or sensors that provide an indication of travel speed and/or position.

Cleaning shoe loss sensors 152 illustratively provide an output signal indicative of the quantity of grain loss by both the right and left sides of the cleaning shoe 118. In one example, sensors 152 are strike sensors (or impact sensors) which count grain strikes per unit of time (or per unit of distance traveled) to provide an indication of the cleaning shoe grain loss. The strike sensors for the right and left sides of the cleaning shoe can provide individual signals, or a combined or aggregated signal. It will be noted that sensors 152 can comprise only a single sensor as well, instead of separate sensors for each shoe.

Separator loss sensor 148 provides a signal indicative of grain loss in the left and right separators. The sensors associated with the left and right separators can provide separate grain loss signals or a combined or aggregate signal. This can be done using a wide variety of different types of sensors as well. It will be noted that separator loss sensors 148 may also comprise only a single sensor, instead of separate left and right sensors.

It will also be appreciated that sensor and measurement mechanisms (in addition to the sensors already described) can include other sensors on combine 100 as well. For instance, they can include a residue setting sensor that is configured to sense whether machine 100 is configured to chop the residue, drop a windrow, etc. They can include cleaning shoe fan speed sensors that can be configured proximate fan 120 to sense the speed of the fan. They can include a threshing clearance sensor that senses clearance between the rotor 112 and concaves 114. They include a threshing rotor speed sensor that senses a rotor speed of rotor 112. They can include a chaffer clearance sensor that senses the size of openings in chaffer 122. They can include a sieve clearance sensor that senses the size of openings in sieve 124. They can include a material other than grain (MOG) moisture sensor that can be configured to sense the moisture level of the material other than grain that is passing through combine 100. They can include machine setting sensors that are configured to sense the various configurable settings on combine 100. They can also include a machine orientation sensor that can be any of a wide variety of different types of sensors that sense the orientation or pose of combine 100. Crop property sensors can sense a variety of different types of crop properties, such as crop type, crop moisture, and other crop properties. They can also be configured to sense characteristics of the crop as they are being processed by combine 100. For instance, they can sense grain feed rate, as it travels through clean grain elevator 130. They can sense yield as mass flow rate of grain through elevator 130, correlated to a position from which it was harvested, as indicated by position sensor 157, or provide other output signals indicative of other sensed variables. Some additional examples of the types of sensors that can be used are described below.

FIG. 2 is a block diagram showing some parts of the combine (work machine) 100, illustrated in FIG. 1, in more detail. Thus, FIG. 2 shows that work machine 100 can include one or more processors 180, communication system 182, sensors 184 (which can be the same or different sensors from those described above with respect to FIG. 1), a map processor/generator system 186, in situ data collection system 188, work machine actuator (WMA) control zone and settings evaluation trigger logic 190, operator interface mechanisms 192, data store 194, dynamic WMA control zone identification system 196, dynamic setting identifier system 198, control system 200, work machine actuators 202, and it can include a wide variety of other items 204.

The example shown in FIG. 2 also shows that work machine 100 can illustratively receive geo-referenced a priori data or map 206. The a priori data or map may be geo-referenced yield data, biomass data, crop moisture data, other crop attribute data, or a wide variety of other geo-referenced a priori data. In one example, the geo-referenced a priori data or map 206 can be received from a remote server environment or from another remote system over a network. Thus, the network may include a wide area network, a local area network, a near field communication network, a cellular communication network, or any of a wide variety of other networks or combinations of networks.

The example in FIG. 2 also shows that operator 208 interacts with operator interface mechanisms 192 in order to control and manipulate work machine 100. Thus, operator interface mechanisms 192 can include a steering wheel, joysticks, levers, pedals, buttons and switches, actuatable inputs on a user interface display which can be actuated by a point and click device (or, where the display is a touch sensitive display, they can be actuated by touch gestures), speech recognition functionality so that the operator 208 can provide an input through a microphone and receive speech synthesis outputs through a speaker, or a wide variety of other audio, visual, or haptic interface mechanisms.

Before describing the operation of work machine 100, in generating control zones and controlling the controllable subsystems 202 using those control zones, a brief description of some of the items illustrated in FIG. 2, and their operation, will first be described.

Communication system 182 is illustratively configured to allow items in work machine 100 to communicate with one another, and to communicate with other items, such as remote computing systems, hand held devices used by operator 208, or other items. Depending on the items that work machine 100 is communicating with, communication system 182 enables that type of communication.

Sensors 184 can include position sensor 157, speed sensor 147, route sensor 210, yield sensor 212, actuator responsiveness sensor 214, and it can include other items 216. As discussed above, position sensor 157 may be a GPS receiver, or any of a wide variety of other sensors that generate an output indicative of a geographic location of work machine 100. Speed sensor 147 generates an output indicative of the ground speed of work machine 100. Route sensor 210 can sense a heading, orientation, or pose of work machine 100 so that, when combined with the speed of work machine 100, and its current geographic position, it can identify a historic, and extrapolate a future, route that work machine is traveling. Route sensor 210 can identify the route of work machine 100 in other ways as well.

Yield sensor 212 illustratively generates an output indicative of a current yield being encountered by work machine 100. As discussed above, the yield sensor 212 can be a mass flow sensor that senses a mass flow of grain into the clean grain tank of machine 100. That can be correlated to a geographic position of machine 100 where that grain was harvested, in order to identify an actual yield, over different geographic locations in the field being harvested.

Actuator responsiveness sensor 214 can illustratively generate an output indicative of the responsiveness of the work machine actuators 202. By way of example, under certain wear conditions, or under different environmental conditions, the actuators may react more quickly or more slowly. By way of example, when a work machine 100 is beginning an operation, and the weather is relatively cold, some hydraulic actuators may respond more slowly than when the work machine is performing the same operation in relatively warm weather. Similarly, after the different actuators undergo a great deal of wear, they may respond differently. These are just some example of how the responsiveness of the different work machine actuators 202 may change over time, or under different conditions.

Map processor/generator system 186 illustratively processes the geo-referenced a priori data 206 that is received. When it is received in the form of a map, that maps variable values to different geographic locations on the field, system 186 illustratively parses that map to identify the values and the corresponding geographic locations. Where the data is raw geo-referenced data, it parses that data as well in order to obtain the same types of values. Similarly, where it receives multiple different maps reflecting multiple different attributes, it processes each of those maps, or each of those sets of a priori data, to obtain the variable values and their corresponding geographic locations.

In situ data collection system 188 monitors and collects the data generated by sensors 184. It illustratively includes aggregation logic 218, data measure logic 220, and it can include other items 222. Aggregation logic 218 illustratively aggregates the data from different sensors, according to different criteria. For instance, it can aggregate values over time, over distance traveled by machine 100, over a particular number of readings for each of the sensors, etc. Data measure logic 220 illustratively measures the amount of data that has been aggregated and provides it to WMA control zone and setting evaluation trigger logic 190.

Logic 190 detects any of a variety of different types of triggers that can be used to generate or modify the control zones and settings values based upon the in situ data collected by in situ data collection system 188. Thus, in one example, trigger logic 190 can be configured to initiate a control zone and settings evaluation process intermittently, every time a certain amount of in situ data has been collected by system 188. By way of example, trigger logic 190 may be triggered after in situ data collection system 188 has collected data from sensors 184, while work machine 100 has traveled a particular distance (such as 10 meters). In that case, every time work machine 100 travels 10 meters, and the corresponding in situ data has been aggregated from sensors 184, the control zones and settings values that control system 200 is using to control the work machine actuators 202 will be evaluated and adjusted, if necessary, based upon the ground truth data generated from the sensors. Trigger logic 190 can detect other triggers as well, such as a number of data points that have been aggregated by in situ data collection system 188, an amount of time that has passed during which work machine 100 is performing the operation, or other trigger criteria.

Data store 194 illustratively includes machine dimensions 224, actuator data 226 (which, itself, can include setting limit data 228 and rate of change limit data 230, as well as other items 232), and other data items 234. Machine dimensions 225 can be used in setting the control zones. For instance, the dimensions may indicate the width of the header 102 of machine 100. That can be used to identify the width of the control zones that are used to control work machine actuators 202.

Similarly, each of the work machine actuators 202 may have a particular setting limit and a rate of change limit. The setting limit may indicate the opposite extreme ends of actuation of the corresponding actuator, while the rate of change limit may indicate how quickly a given actuator can respond to an actuation input, under different circumstances (such as under different temperature conditions, wear conditions, etc.). The setting limits and responsiveness can be sensed as well, as discussed above with respect to sensor 214.

Dynamic WMA control zone identification system 196 illustratively includes WMA selector loge 236, WMA-specific zone identifier 238, and it can include other items 240. WMA selector logic 236 illustratively selects one of the work machine actuators 202 for which control zones are to be identified or dynamically updated or modified based upon in situ data. For instance, it may be that system 196 first selects the sieve actuator 202. WM A-specific zone identifier 238 then identifies the control zones for the sieve actuator, given the data provided by map processor/generator system 186. When that is finished, WMA selector logic 236 can select a next work machine actuator for which control zones are to be identified. This is described in greater detail below with respect to FIGS. 3-6.

Dynamic setting identifier system 198 illustratively includes WMA selector 242, control zone selector 244, and setting value identifier 246 (which, itself, can include dynamic calculation logic 248, lookup logic 250, and/or a wide variety of other items 252). Dynamic system identifier 198 can also include other items 254. WMA selector 242 first selects a particular actuator for which control zone settings values are to be generated. Control zone selector 244 then identifies one or more different control zones that were identified by system 196, for this particular work machine actuator, for which settings values are to be generated. Setting value identifier 246 then identifies the settings values for that particular control zone, for the selected work machine actuator. Therefore, any time work machine 100 is about to enter the corresponding control zones, the corresponding actuator is set to the identified settings values for that control zone, for that actuator.

In identifying the particular settings values for a control zone, dynamic calculation logic 248 can dynamically calculate a settings value, based upon the geo-referenced a priori data provided by map processor/generator system 186, and based upon the in situ data collected by system 188. For instance, it may be that the predicted yield value in the geo-referenced a priori data 206 may need to adjusted based upon the actual yield data that has been collected by the in situ sensors. In that case, dynamic calculation logic 248 can generate or modify the settings values for a set of control zones based upon the predicted value, from the a priori data, as corrected by the actual value, generated by the in situ sensors.

Lookup logic 250 can illustratively identify settings values for different control zones, for different work machine actuators, by performing a lookup operation. For instance, it may be that the a priori predicted yield data, as corrected by the in situ data, is stored in a lookup table indexed by geographic location. Based upon the geographic location of the control zones identified by the dynamic WMA control zone identification system 196, lookup logic 250 can look up settings values, for that control zone, at that geographic location, for the specific work machine actuator being controlled based on that control zone.

The settings values can of course be identified in other ways as well.

Once the control zones have been identified (or updated) and the settings values for each of the control zones have been generated (or updated) this information is provided to control system 200. Control system 200 then generates control signals to control work machine actuators 202, based upon that data. Therefore, in one example, control system 200 includes position/route identifier logic 256, zone accessing logic 257, WMA setting value adjustment identifier logic 258, control signal generator logic 260, and it can include other items 262.

Position/route identifier logic 256 identifies a current position of work machine 100, and a geographic position that will be occupied by work machine 100 in the near future. For instance, it can identify a current position of work machine 100 based upon the output of position sensor 157 and it can identify a next geographic position of work machine 100 based upon the route sensed by route sensor 210 and the speed output by speed sensors 147.

Zone accessing logic 257 then identifies the control zone (or different control zones for different actuators) that work machine 100 is in, and/or is about to enter. WMA setting value adjustment identifier logic 258 identifies whether the settings values for the different work machine actuators 202 will need to be adjusted, based upon the current and next position of work machine 100.

For instance, if work machine 100 is in the middle of a particular control zone, and it will be in that same control zone, for a given actuator, for the next 30 meters, then no settings adjustments need to be made. However, if the work machine 100 is near the boundary of two control zones (for a given actuator) then the settings value for that actuator will need to be changed in the near future. WMA setting value adjustment identifier logic 258 identifies that adjustment that will need to be made (such as its direction and magnitude) and control signal generator logic 260 generates control signals to control the work machine actuators 202 accordingly.

For instance, if work machine 100 is near the boundary of two control zones, and the magnitude of the adjustment is relatively large, as indicated by logic 258, control signal generator logic 260 can begin to actuate the actuator so that it reaches its new setting value (for the subsequent control zone that machine 100 is approaching) at the time, or shortly after the time, when work machine 100 enters that control zone. Thus, given the responsiveness of the actuator and the magnitude of the change in the setting values from the current control zone to the next control zone, control signal generator logic 260 identifies a geographic location where it will need to actuate the actuator to make the settings adjustment to correspond with the control zone boundary crossing.

It will be noted that control system 200 can, substantially simultaneously, generate control signals for multiple different work machine actuators 202 based upon the actuator-specific control zones and setting values for each actuator.

Work machine actuators 202 can include a sieve actuator 264, a chaffer actuator 266, a fan actuator 268, a concave actuator 270, a rotor actuator 272, and it can include a wide variety of other actuators or controllable subsystems 274, such as an engine, drivetrain actuator, feedrate adjustment actuator, header height actuator, etc. The sieve actuator 264 can illustratively be actuated in order to change the sieve settings. Chaffer actuator 266 may be an actuator that can be actuated to change the chaffer settings. The fan actuator 268 may be actuated to change the fan speed of the cleaning fan or other fans in work machine 100. Concave actuator 270 can be actuated to change the concave clearance. Rotor actuator 272 can be actuated to change the rotor speed or other operational parameters. Therefore, as work machine 100 travels across the field, it may enter different control zones that each have settings values for different work machine actuators 202. The control zones for one work machine actuator 202 may not necessarily correspond to the control zones for another actuator. Therefore, independent, actuator-specific control zones can be generated and settings values can be set for each of those control zones so that control system 200 can, substantially simultaneously, control all of the work machine actuators 202 based upon their individual control zones and individual setting values.

FIG. 3 is a flow diagram illustrating one example of work machine 100 in doing this. The present description will proceed with respect to work machine 100 being a combine harvester. Of course, this is given by way of example only.

It is first assumed that machine 100 is beginning to perform an operation in a field. This is indicated by block 280 in the flow diagram of FIG. 3. At some point, work machine 100 receives a thematic map, or other geo-referenced a priori data. This is indicated by block 282. It can include one or more maps based on the particular work machine actuators 202 to be controlled. This is indicated by block 284. The maps can represent different values or attributes that are referenced to different geographic locations in the field. The particular attributes reflected may differ, based upon the particular work machine actuators 202 that are to be controlled based on that map.

The thematic map can be generated by a priori data, as indicated by block 286. It can also be generated or modified on-board work machine 100 from a priori data and/or in situ data generated from sensors 184. This is indicated by block 288. The thematic map can be received in a wide variety of other ways as well, and this is indicated by block 290.

While the operation is being performed, in situ data collection system 188 collects in situ data from sensors 184. At some point, WMA control zone and settings evaluation trigger logic 190 will detect a trigger indicating that control zones and settings may need to be generated or evaluated for modification. Detecting the trigger is indicated by block 292. Some examples of the trigger criteria were discussed above.

In response to that trigger, dynamic WNA control zone identification system 196 then identifies the control zones. WMA selector logic 236 first identifies control zones for each of the work machine actuators 202 to be controlled based upon control zones. This is indicated by block 294. WMA selector logic 236 can select each of the work machine actuators, in turn. This is indicated by block 296. Work machine actuator-specific zone identifier 238 then identifies the particular work machine actuator control zones based upon the information received from map processor system 186 and based on which work machine actuator is selected. It can do this based upon the dimensions of the machine 224. This is indicated by block 298 in the flow diagram of FIG. 3. It can generate a different set of control zones for each WMA. This is indicated by block 300. It can do this by analyzing the data in the thematic map as indicated by block 302 (and as is described in greater detail below). It can identify the control zone based upon the actuator data 226, such as the setting limit data (data that identifies a limit or range within which a setting can be made) and the rate of change data (or responsiveness data). This is indicated by blocks 304 and 306 in the flow diagram of FIG. 3. WMA-specific zone identifier 238 can identify the zones, for each work machine actuator, in a wide variety of other ways as well, and this is indicated by block 308.

Dynamic setting identifier system 198 then determines the work machine actuator settings for each control zone identified in step 294. This is indicated by block 310. Again, WMA selector 242 can select each of the work machine actuators that have control zones, for which setting values are to be identified. This is indicated by block 312. Control zone selector 244 can then select a control zone for which settings values are to be generated, and it can identify when to begin transitioning to that setting value for the next control zone, or that can be controlled dynamically by control system 200. Identifying when to begin transitioning (or actuating the work machine actuator) to the next setting value is indicated by block 314 in the flow diagram of FIG. 3.

Settings value identifier 246 can identify a single actuator setting for a corresponding control zone, or it can identify multiple different setting values that may be selected based upon different criteria. For instance, it may generate a first setting value if machine 100 is traveling at a first speed, and it may select a second setting value if machine 100 is traveling at a second speed. Identifying different setting values based upon different machine speeds or other machine characteristics or parameters is indicated by block 316. The setting values for each control zone can be identified in a wide variety of other ways as well.

Once the control zones and the corresponding setting values have been identified, they are provided to control system 200 so that it can control the work machine actuators 202 based upon the control zones and setting values. In doing so, position/route identifier logic 256 detects the current geographic position and route of work machine 100. This is indicated by block 318 in the flow diagram of FIG. 3. For instance, it can do this by detecting the position from position sensor 157 and the heading or orientation or pose of machine 100 from route sensor 210. This is indicated by block 320. It can also detect the speed of machine 100 from speed sensor 147. This is indicated by block 322. It can detect the work machine position and route in a wide variety of other ways as well, and this is indicated by block 324.

Zone accessing logic 257 then accesses the relevant control zones (those that machine 100 is in or is about to cross into), and WMA setting value adjustment identifier logic 258 identifies the magnitude and direction of adjustments (if any) for the different work machine actuators 202, based upon that information. Control signal generator logic 260 then generates the control signals, at the appropriate time, so that the new setting values will be reached when, or shortly after, work machine 100 crosses into a new control zone. This is indicated by block 326 in the flow diagram of FIG. 3.

It may also be that operator 208 has expressed particular preferences. For instance, the last time machine 100 entered into a similar control zone, the operator may have changed the setting value upward or downward for one or more actuators. In that case, control signal generator logic 260 senses and stores that adjustment so that the next time work machine 100 enters a similar control zone, that adjustment can be applied to the setting values that were identified by dynamic setting identifier system 198. Adjusting the setting value per operator factor, in this way, is indicated by block 328 in the flow diagram of FIG. 3.

Also, as discussed above, control system 200 can make adjustments to multiple different work machine actuators, using work machine actuator-specific control zones and settings values. This is indicated by block 330. Adjusting the WMA settings based upon the relevant WMA control zones can be done in other ways as well, and this is indicated by block 332.

While work machine 100 continues to perform the operation in the field, in situ data collection system 188 continues to collect in situ data from sensors 184. This is indicated by block 334 in the flow diagram of FIG. 3. Trigger logic 190 detects evaluation triggers to determine whether the control zones and/or the setting values, need to reevaluated or reset based on data that has been collected by system 188. When a trigger is detected, it provides an output indicative of this to dynamic WMA control zone identification system 196 and/or dynamic setting identifier system 198, so that they can reevaluate the control zones and/or settings, based upon the currently detected trigger criteria. Performing that evaluation based upon the in situ data aggregated by system 188 is indicated by block 336. For instance, changes in sensed machine speed may cause the system to modify the size and/or location of the control zones and/or setting values. Detected actuator responsiveness may differ from what was expected or detected earlier in the operation. The control zones and/or settings values can be modified based on that as well. Other in situ data can be used to dynamically modify the control zones and/or settings values. An evaluation can also be triggered by receiving additional or different a priori data 206. This is indicated by block 338. The reevaluation trigger can also be detected when any adjustments are made to the way in which system 196 identifies control zones, or the way in which system 198 identifies settings values. This is indicated by block 340. The evaluation or modification to the WMA control zones and setting values can be done in a wide variety of other ways as well, and this is indicated by block 342.

Until the operation is complete, processing reverts to block 318 where control system 200 continues to control work machine actuators 202 using the identified control zones and setting values, and where those control zones and setting values are dynamically reevaluated and adjusted, based upon in situ data or for other reasons. This is indicated by block 344 in the flow diagram of FIG. 3.

FIG. 4 is a flow diagram illustrating one example of the operation of dynamic WMA control zone identification system 196 and dynamic setting identifier system 198, in more detail. It is assumed that a geo-referenced a priori map of a variable or set of parameters, mapped to different geographic locations on a field, has been received. The map can map variables such as topography, soil type, vegetation index data, vegetation type (such as species, variety, etc.) and/or a wide variety of other variables to the geographic locations. WMA-specific zone identifier 238 then divides that map into regions of thematic values (the variables or parameters that are mapped), where each region represent a set of thematic values (the parameters or variables mapped) in different ranges. This is indicated by block 346 in the flow diagram of FIG. 4. In one example, the map is divided into regions of thematic values in decile ranges. This is indicated by block 346. In another example, the data can be divided into regions where the data represents sets of data that are merged from multiple different maps. This is indicated by block 350 in the flow diagram of FIG. 4.

One example of the data can be NDVI data, as indicated by block 352. The data can, of course, represent a wide variety of other data correlated to crop attributes of interest. This is indicated by block 354.

Zone identifier 238 then applies a clustering mechanism to cluster the different value ranges identified in block 346. Clustering is indicated by block 356 in the flow diagram of FIG. 4. By way of example, the clustering algorithm may convert the map of variables into crop property estimates, such as yield, biomass, moisture, protein, oil, starch, etc. This is indicated by block 358. The clustering mechanism can be any of a wide variety of different types of clustering mechanisms, such as a K-means clustering mechanism. This is indicated by block 360. The clustering can be done in a wide variety of other ways as well. This is indicated by block 362.

An example may be helpful. FIG. 5 shows one example of an a priori map that maps NDVI data for a field. The map may be generated by assigning NDVI data to aerial imagery taken of the field. The map may be color-coded or otherwise coded to depict locations in the field with NDVI values in different ranges (such as different decile ranges). As described above with respect to block 354, crop data other than NDVI data may of course be used, so long as the data is well correlated to the crop attribute of interest.

FIG. 5 shows the map, after application of a clustering algorithm, such as K-means clustering, or any suitable geo-clustering algorithm has been used to generate the clusters. Such algorithms may have parameters that can be set, and that are related to the number of clusters, the size of the clusters, etc. As discussed above with respect to block 350, multiple maps may be used to incorporate data, other than NDVI or other crop image data. Examples of such maps can include, as mentioned above, topography, soil type, vegetation type, etc.

FIG. 5 also shows one projected or predicted route 364 of work machine 100 through field 366. FIG. 5 also includes legend 368 which illustrates that the variable values represented on the map of field 366 have been clustered into six different value ranges. The value ranges are illustrated by value ranges 1-6 in legend 368. The value ranges may be left as is, or converted to a priori crop property estimates such as those illustrated in block 358 in the flow diagram of FIG. 4. If left as is, the crop property values may be assigned after ground truthing with in situ data collected by in situ data collection system 188. If a priori estimates are made, they can be adjusted when triggered by trigger logic 190 to reevaluate the zones and settings values.

Once the clusters are generated, such as those shown in FIG. 5, then WMA-specific zone identifier 238 identifies control zones based on those clusters. This is indicated by block 370 in the flow diagram of FIG. 4. FIG. 6 shows one example of this.

In FIG. 6, each of the passes of machine 100 through field 366, along route 364, are labeled a-q. Assignment of example control zones are shown for machine passes g and i in FIG. 6. FIG. 6 shows that pass g has been divided into control zones 374, 376, 378, 380, 382, 384, 386, 388 and 389. Pass g shows an example in which there is sufficient time to respond to each of the different clusters along the pass, so that a different control zone can be identified based on the cluster changes along pass g illustrated in FIG. 6. By contrast, pass i shows that the portion 397 of the cluster in range 6 (defined in legend 368) is too small for the actuator (for which the control zones are being mapped) to respond. For instance, the time that work machine 100 is over the cluster portion 397 in range 6, in pass i, will be too short for the corresponding actuator to respond. Therefore, the settings for control zone 296 are retained, even as machine 100 passes over the cluster portion 397 range 6 in pass i.

As a more specific example, assume the maps shown in FIGS. 5 and 6 are for a wheat field with the six different clusters identified in legend 368 as representing predicted yield of 0-10, 11-20, 21-30, 31-40, 41-50, and 51-60 bushels per acre, respectively. In that case, for the control zones identified in FIG. 6, the sieve actuator 264 in work machine 100 can be actuated so that the bottom sieve values are assigned to sieve control zones as shown in Table 1 below.

TABLE 1

Zones(s)
Bottom Sieve Setting

389
5.5

374, 390
6.0

376, 388, 392, 400
6.5

378, 386, 394, 398
7.0

380, 384, 396
7.5

382
8.0

The control zones identified for chaffer 266 can have settings so that the chaffer actuator 266 is actuated to make the top chaffer settings, for the zones shown in FIG. 6, as set out below in Table 2:

TABLE 2

Zones(s)
Top Chaffer Setting

389
17.0

374, 390
17.0

376, 388, 392, 400
17.0

378, 386, 394, 398
18.0

380, 384, 396
19.0

382
20.0

It will be noted that, in one example, the settings for the bottom sieve, where the crop is wheat, may be varied linearly. Therefore, instead of a map containing control zones with machine settings, some example implementations may have yield zones with the yield being plugged into a mathematical formula, or a lookup table, to provide the setting for that zone. All of these, and other scenarios, are contemplated herein.

Also, the chaffer actuator 266 can be controlled to set the top chaffer using a different settings map (e.g., different setting zones) than the bottom sieve map. For instance, there may be no change in the top chaffer settings at the low end of harvested yield. Thus, a single control zone can be defined for yields in the 0-35 bushels per acre range. In addition, there may be a significant change in the recommended settings for the top chaffer when yield increases from 40-50+ bushels per acre. Thus, rather than being represented by three zones, in that upper range of yield values, there may be finer resolution zones that provide better control resolution. One example of such zones can be those defined in Table 3 below:

TABLE 3

Zone(s)
Top Chaffer setting

00-34
bu/ac
17.0

35-39
bu/ac
17.5

40-44
bu/ac
18.0

45-49
bu/ac
18.5

50-54
bu/ac
19.0

55+
bu/ac
19.5

It will be noted that the above setting values are examples only. Determining the WMA setting for each control zone is indicated by block 404 in the flow diagram of FIG. 4. Determining the setting values for the sieve actuator is indicated by block 406. Determining the setting values for the top chaffer actuator is indicated by block 408. Determining setting values for the fan speed actuator is indicated by block 10. Determining setting values for the concave actuator is indicated by block 12. Determining setting values for the rotor actuator is indicated by block 414. It will also be noted that other setting values can be determined for other actuators, as indicated by block 416.

The present discussion should also not be limited to a single machine 100. Instead, multiple machines may communicate with one another (such as in performing a harvesting operation at a field). In that case, the processing described herein can be distributed among the machines. For instance, the control zones may be identified by a single machine and communicated to the other machines which identify their own setting values for those zones. In another example, the setting values can be sent to all machines, from a single machine, and each machine may identify its own control zones, based on machine specific data (such as dimensions, actuator responsiveness or limits, etc.). In yet another example, there may be multiple different kinds of harvesters performing the harvesting operation. In that case, one machine of each kind (model, make, etc.) may identify control zones and settings for all machines of its type and send them to all other machines of the same type. These are examples only.

It will be noted that the above discussion has described a variety of different systems, components and/or logic. It will be appreciated that such systems, components and/or logic can be comprised of hardware items (such as processors and associated memory, or other processing components, some of which are described below) that perform the functions associated with those systems, components and/or logic. In addition, the systems, components and/or logic can be comprised of software that is loaded into a memory and is subsequently executed by a processor or server, or other computing component, as described below. The systems, components and/or logic can also be comprised of different combinations of hardware, software, firmware, etc., some examples of which are described below. These are only some examples of different structures that can be used to form the systems, components and/or logic described above. Other structures can be used as well.

The present discussion has mentioned processors and servers. In one embodiment, the processors and servers include computer processors with associated memory and timing circuitry, not separately shown. They are functional parts of the systems or devices to which they belong and are activated by, and facilitate the functionality of the other components or items in those systems.

Also, a number of user interface displays have been discussed. They can take a wide variety of different forms and can have a wide variety of different user actuatable input mechanisms disposed thereon. For instance, the user actuatable input mechanisms can be text boxes, check boxes, icons, links, drop-down menus, search boxes, etc. They can also be actuated in a wide variety of different ways. For instance, they can be actuated using a point and click device (such as a track ball or mouse). They can be actuated using hardware buttons, switches, a joystick or keyboard, thumb switches or thumb pads, etc. They can also be actuated using a virtual keyboard or other virtual actuators. In addition, where the screen on which they are displayed is a touch sensitive screen, they can be actuated using touch gestures. Also, where the device that displays them has speech recognition components, they can be actuated using speech commands.

A number of data stores have also been discussed. It will be noted they can each be broken into multiple data stores. All can be local to the systems accessing them, all can be remote, or some can be local while others are remote. All of these configurations are contemplated herein.

Also, the figures show a number of blocks with functionality ascribed to each block. It will be noted that fewer blocks can be used so the functionality is performed by fewer components. Also, more blocks can be used with the functionality distributed among more components.

FIG. 7 is a block diagram of harvester 100, shown in FIG. 2, except that it communicates with elements in a remote server architecture 500. In an example, remote server architecture 500 can provide computation, software, data access, and storage services that do not require end-user knowledge of the physical location or configuration of the system that delivers the services. In various examples, remote servers can deliver the services over a wide area network, such as the internet, using appropriate protocols. For instance, remote servers can deliver applications over a wide area network and they can be accessed through a web browser or any other computing component. Software or components shown in FIG. 2 as well as the corresponding data, can be stored on servers at a remote location. The computing resources in a remote server environment can be consolidated at a remote data center location or they can be dispersed. Remote server infrastructures can deliver services through shared data centers, even though they appear as a single point of access for the user. Thus, the components and functions described herein can be provided from a remote server at a remote location using a remote server architecture. Alternatively, they can be provided from a conventional server, or they can be installed on client devices directly, or in other ways.

In the example shown in FIG. 7, some items are similar to those shown in FIG. 2 and they are similarly numbered. FIG. 7 specifically shows an a priori data/map capture system 504 can capture a priori data/map 206. Systems 196 and/or 198 can be located at a remote server location 502. Therefore, harvester 100 accesses those systems through remote server location 502.

FIG. 7 also depicts another example of a remote server architecture. FIG. 7 shows that it is also contemplated that some elements of FIG. 2 are disposed at remote server location 502 while others are not. By way of example, data store 194 can be disposed at a location separate from location 502, and accessed through the remote server at location 502. Regardless of where they are located, they can be accessed directly by harvester 100, through a network (either a wide area network or a local area network), they can be hosted at a remote site by a service, or they can be provided as a service, or accessed by a connection service that resides in a remote location.

Also, the data can be stored in substantially any location and intermittently accessed by, or forwarded to, interested parties. For instance, physical carriers can be used instead of, or in addition to, electromagnetic wave carriers. In such an example, where cell coverage is poor or nonexistent, another mobile machine (such as a fuel truck) can have an automated information collection system. As the harvester comes close to the fuel truck for fueling, the system automatically collects the information from the harvester or transfers information to the harvester using any type of ad-hoc wireless connection. The collected information can then be forwarded to the main network as the fuel truck reaches a location where there is cellular coverage (or other wireless coverage). For instance, the fuel truck may enter a covered location when traveling to fuel other machines or when at a main fuel storage location. All of these architectures are contemplated herein. Further, the information can be stored on the harvester until the harvester enters a covered location. The harvester, itself, can then send and receive the information to/from the main network.

It will also be noted that the elements of FIG. 2, or portions of them, can be disposed on a wide variety of different devices. Some of those devices include servers, desktop computers, laptop computers, tablet computers, or other mobile devices, such as palm top computers, cell phones, smart phones, multimedia players, personal digital assistants, etc.

FIG. 8 is a simplified block diagram of one illustrative example of a handheld or mobile computing device that can be used as a user's or client's hand held device 16, in which the present system (or parts of it) can be deployed. For instance, a mobile device can be deployed in the operator compartment of harvester 100 for use in generating, processing, or displaying the settings data or map data or zone data. FIGS. 9-10 are examples of handheld or mobile devices.

FIG. 8 provides a general block diagram of the components of a client device 16 that can run some components shown in FIG. 2, that interacts with them, or both. In the device 16, a communications link 13 is provided that allows the handheld device to communicate with other computing devices and in some examples provides a channel for receiving information automatically, such as by scanning. Examples of communications link 13 include allowing communication though one or more communication protocols, such as wireless services used to provide cellular access to a network, as well as protocols that provide local wireless connections to networks.

In other examples, applications can be received on a removable Secure Digital (SD) card that is connected to an interface 15. Interface 15 and communication links 13 communicate with a processor 17 (which can also embody processors or servers from previous FIGS.) along a bus 19 that is also connected to memory 21 and input/output (I/O) components 23, as well as clock 25 and location system 27.

I/O components 23, in one example, are provided to facilitate input and output operations. I/O components 23 for various embodiments of the device 16 can include input components such as buttons, touch sensors, optical sensors, microphones, touch screens, proximity sensors, accelerometers, orientation sensors and output components such as a display device, a speaker, and or a printer port. Other I/O components 23 can be used as well.

Clock 25 illustratively comprises a real time clock component that outputs a time and date. It can also, illustratively, provide timing functions for processor 17.

Location system 27 illustratively includes a component that outputs a current geographical location of device 16. This can include, for instance, a global positioning system (GPS) receiver, a LORAN system, a dead reckoning system, a cellular triangulation system, or other positioning system. It can also include, for example, mapping software or navigation software that generates desired maps, navigation routes and other geographic functions.

Memory 21 stores operating system 29, network settings 31, applications 33, application configuration settings 35, data store 37, communication drivers 39, and communication configuration settings 41. Memory 21 can include all types of tangible volatile and non-volatile computer-readable memory devices. It can also include computer storage media (described below). Memory 21 stores computer readable instructions that, when executed by processor 17, cause the processor to perform computer-implemented steps or functions according to the instructions. Processor 17 can be activated by other components to facilitate their functionality as well.

FIG. 9 shows one example in which device 16 is a tablet computer 600. In FIG. 9, computer 600 is shown with user interface display screen 602. Screen 602 can be a touch screen or a pen-enabled interface that receives inputs from a pen or stylus. It can also use an on-screen virtual keyboard. Of course, it might also be attached to a keyboard or other user input device through a suitable attachment mechanism, such as a wireless link or USB port, for instance. Computer 600 can also illustratively receive voice inputs as well.

FIG. 10 shows that the device can be a smart phone 71. Smart phone 71 has a touch sensitive display 73 that displays icons or tiles or other user input mechanisms 75. Mechanisms 75 can be used by a user to run applications, make calls, perform data transfer operations, etc. In general, smart phone 71 is built on a mobile operating system and offers more advanced computing capability and connectivity than a feature phone.

Note that other forms of the devices 16 are possible.

FIG. 11 is one example of a computing environment in which elements of FIG. 2, or parts of it, (for example) can be deployed. With reference to FIG. 11, an example system for implementing some embodiments includes a computing device in the form of a computer 810. Components of computer 810 may include, but are not limited to, a processing unit 820 (which can comprise processors or servers from previous FIGS.), a system memory 830, and a system bus 821 that couples various system components including the system memory to the processing unit 820. The system bus 821 may be any of several types of bus structures including a memory bus or memory controller, a peripheral bus, and a local bus using any of a variety of bus architectures. Memory and programs described with respect to FIG. 2 can be deployed in corresponding portions of FIG. 11.

Computer 810 typically includes a variety of computer readable media. Computer readable media can be any available media that can be accessed by computer 810 and includes both volatile and nonvolatile media, removable and non-removable media. By way of example, and not limitation, computer readable media may comprise computer storage media and communication media. Computer storage media is different from, and does not include, a modulated data signal or carrier wave. It includes hardware storage media including both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by computer 810. Communication media may embody computer readable instructions, data structures, program modules or other data in a transport mechanism and includes any information delivery media. The term “modulated data signal” means a signal that has one or more of its characteristics set or changed in such a manner as to encode information in the signal.

The system memory 830 includes computer storage media in the form of volatile and/or nonvolatile memory such as read only memory (ROM) 831 and random access memory (RAM) 832. A basic input/output system 833 (BIOS), containing the basic routines that help to transfer information between elements within computer 810, such as during start-up, is typically stored in ROM 831. RAM 832 typically contains data and/or program modules that are immediately accessible to and/or presently being operated on by processing unit 820. By way of example, and not limitation, FIG. 11 illustrates operating system 834, application programs 835, other program modules 836, and program data 837.

The computer 810 may also include other removable/non-removable volatile/nonvolatile computer storage media. By way of example only, FIG. 11 illustrates a hard disk drive 841 that reads from or writes to non-removable, nonvolatile magnetic media, an optical disk drive 855, and nonvolatile optical disk 856. The hard disk drive 841 is typically connected to the system bus 821 through a non-removable memory interface such as interface 840, and optical disk drive 855 is typically connected to the system bus 821 by a removable memory interface, such as interface 850.

Alternatively, or in addition, the functionality described herein can be performed, at least in part, by one or more hardware logic components. For example, and without limitation, illustrative types of hardware logic components that can be used include Field-programmable Gate Arrays (FPGAs), Application-specific Integrated Circuits (e.g., ASICs), Application-specific Standard Products (e.g., ASSPs), System-on-a-chip systems (SOCs), Complex Programmable Logic Devices (CPLDs), etc.

The drives and their associated computer storage media discussed above and illustrated in FIG. 11, provide storage of computer readable instructions, data structures, program modules and other data for the computer 810. In FIG. 11, for example, hard disk drive 841 is illustrated as storing operating system 844, application programs 845, other program modules 846, and program data 847. Note that these components can either be the same as or different from operating system 834, application programs 835, other program modules 836, and program data 837.

A user may enter commands and information into the computer 810 through input devices such as a keyboard 862, a microphone 863, and a pointing device 861, such as a mouse, trackball or touch pad. Other input devices (not shown) may include a joystick, game pad, satellite dish, scanner, or the like. These and other input devices are often connected to the processing unit 820 through a user input interface 860 that is coupled to the system bus, but may be connected by other interface and bus structures. A visual display 891 or other type of display device is also connected to the system bus 821 via an interface, such as a video interface 890. In addition to the monitor, computers may also include other peripheral output devices such as speakers 897 and printer 896, which may be connected through an output peripheral interface 895.

The computer 810 is operated in a networked environment using logical connections (such as a local area network—LAN, or wide area network—WAN or a controller area network—CAN) to one or more remote computers, such as a remote computer 880.

When used in a LAN networking environment, the computer 810 is connected to the LAN 871 through a network interface or adapter 870. When used in a WAN networking environment, the computer 810 typically includes a modem 872 or other means for establishing communications over the WAN 873, such as the Internet. In a networked environment, program modules may be stored in a remote memory storage device. FIG. 10 illustrates, for example, that remote application programs 885 can reside on remote computer 880.

It should also be noted that the different examples described herein can be combined in different ways. That is, parts of one or more examples can be combined with parts of one or more other examples. All of this is contemplated herein.

Example 1 is a work machine, comprising:

a plurality of work machine actuators (WMAs);

a dynamic control zone identification system that dynamically identifies a plurality of WMA control zones on a worksite based on a thematic map of the worksite that maps variable values to different geographic locations on the worksite;

a dynamic setting identifier system that assigns a WMA setting value to each of the WMA control zones;

a position sensor that senses a geographic position of the work machine on the worksite as the work machine is performing an operation and generates a position signal indicative of the geographic position of the work machine; and

a control system that generates control signals to control the WMAs based on the geographic position of the work machine relative to the WMA control zones and the setting values in the WMA control zones.

Example 2 is the work machine of any or all previous examples and further comprising:

an in situ data collection system configured to collect in situ data from a data sensor that senses the in situ data as the work machine performs the operation.

Example 3 is the work machine of any or all previous examples wherein the dynamic control zone identification system is configured to dynamically modify identification of the plurality of WMA control zones on the worksite based on the in situ data.

Example 4 is the work machine of any or all previous examples wherein the dynamic control zone identification system comprises:

a WMA-specific zone identifier configured to identify a different set of WMA control zones corresponding to each of the plurality of different WMAs.

Example 5 is the work machine of any or all previous examples wherein the dynamic setting identifier system is configured to generate actuator-specific setting values, specific to a selected WMA, for each WMA control zone in the set of WMA control zones corresponding to the selected WMA.

Example 6 is the work machine of any or all previous examples wherein the WMA-specific zone identifier is configured to identify the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on responsiveness of each of the different WMAs.

Example 7 is the work machine of any or all previous examples wherein the WMA-specific zone identifier is configured to identify the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on setting limits of each of the different WMAs.

Example 8 is the work machine of any or all previous examples wherein the WMA-specific zone identifier is configured to modify identification of the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on the in situ data.

Example 9 is the work machine of any or all previous examples wherein the dynamic setting identifier system is configured to modify the actuator-specific setting values, specific to the selected WMA, for each WMA control zone in the set of WMA control zones corresponding to the selected WMA, based on the in situ data.

Example 10 is the work machine of any or all previous examples wherein the dynamic control zone identification system is configured to identify the plurality of WMA control zones based on dimensions of the work machine.

Example 11 is the work machine of any or all previous examples wherein the dynamic control zone identification system is configured to identify a point in each of the plurality of WMA control zones where the selected WMA is to be actuated based on a speed of the work machine, a responsiveness of the selected actuator and a magnitude of change in the actuator-specific setting value from a current WMA control zone to a next subsequent WMA control zone.

Example 12 is a method of controlling a work machine to perform an operation on a worksite, the method comprising:

a plurality of work machine actuators (WMAs);

dynamically identifying a plurality of work machine actuator (WMA) control zones on the worksite based on a thematic map of the worksite that maps variable values to different geographic locations on the worksite;

assigning a WMA setting value to each of the WMA control zones;

sensing a geographic position of the work machine on the worksite as the work machine is performing the operation and generating a position signal indicative of the geographic position of the work machine; and

generating control signals to control the WMAs based on the geographic position of the work machine relative to the WMA control zones and the setting values in the WMA control zones.

Example 13 is the method of any or all previous examples and further comprising:

collecting in situ data from a data sensor that senses the in situ data as the work machine performs the operation; and

modifying assignment of the WMA setting value to each of the WMA control zones, based on the in situ data, while the machine is performing the operation.

Example 14 is the method of any or all previous examples and further comprising:

modifying identification of the plurality of WMA control zones on the worksite based on the in situ data.

Example 15 is the method of any or all previous examples wherein dynamically identifying a plurality of work machine actuator (WMA) control zones comprises:

identifying a different set of WMA control zones corresponding to each of the plurality of different WMAs.

Example 16 is the method of any or all previous examples wherein assigning a WMA setting value to each of the WMA control zones comprises:

generating actuator-specific setting values, specific to a selected WMA, for each WMA control zone in the set of WMA control zones corresponding to the selected WMA.

Example 17 is the method of any or all previous examples wherein identifying a different set of WMA control zones corresponding to each of the plurality of different WMAs comprises:

identifying the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on responsiveness of each of the different WMAs.

Example 18 is the method of any or all previous examples wherein identifying a different set of WMA control zones corresponding to each of the plurality of different WMAs comprises:

identifying the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on setting limits of each of the different WMAs.

Example 19 is the method of any or all previous examples and further comprising:

identifying a point in each of the plurality of WMA control zones where the selected WMA is to be actuated based on a speed of the work machine, a responsiveness of the selected actuator and a magnitude of change in the actuator-specific setting value from a current WMA control zone to a next subsequent WMA control zone.

Example 20 is a work machine, comprising:

a plurality of work machine actuators (WMAs);

an in situ data collection system configured to collect in situ data from a data sensor that senses the in situ data as the work machine performs an operation at the worksite;

a dynamic control zone identification system that dynamically identifies a plurality of WMA control zones on a worksite, based on a thematic map of the worksite that maps variable values to different geographic locations on the worksite, and that modifies identification of the plurality of WMA control zones on the worksite based on the in situ data;

a dynamic setting identifier system that assigns a WMA setting value to each of the WMA control zones and that modifies assignment of the WMA setting value to each of the WMA control zones, based on the in situ data;

Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.

Claims

1. A work machine comprising: a plurality of work machine actuators (WMAs);a dynamic control zone identification system that dynamically identifies a plurality of WMA control zones on a worksite in which the work machine is to operate based on clustering variable values of a thematic map of the worksite, that maps the variable values to different geographic locations on the worksite, into separate value ranges;a dynamic setting identifier system that assigns a WMA setting value to each of the WMA control zones;a position sensor that senses a geographic position of the work machine on the worksite as the work machine is performing an operation and generates a position signal indicative of the geographic position of the work machine; anda control system that generates control singals to control the WMAs based on the geographic position of the work machine relative to the WMA control zones and the setting values in the WMA control zones to control operation of the work machine while the work machine operates in the WMA control zones.
2. The work machine of claim 1 and further comprising: an in situ data collection system configured to collect in situ data from a data sensor that senses the in situ data as the work machine performs the operation.
3. The work machine of claim 2 wherein the dynamic control zone identification system is configured to dynamically modify identification of the plurality of WMA control zones on the worksite based on the in situ data.
4. The work machine of claim 2 wherein the dynamic control zone identification system comprises: a WMA-specific zone identifier configured to identity a different set of WMA control zones corresponding to each of the plurality of different WMAs.
5. The work machine of claim 4 wherein the dynamic setting identifier system is configured to generate actuator-specific setting values, specific to a selected WMA, for each WMA control zone in the set of WMA control zones corresponding to the selected WMA.
6. The work machine of claim 5 wherein the WMA-specific zone identifier is configured to identify the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on responsiveness of each of the different WMAs.
7. The work machine of claim 5 wherein the WMA-specific zone identifier is configured to identify the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on setting limits of each of the different WMAs.
8. The work machine of claim 5 wherein the WMA-specific zone identifier is configured to modify identification of the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on the in situ data.
9. The work machine of claim 6 wherein the dynamic setting identifier system is configured to modify the actuator-specific setting values, specific to the selected WMA, for each WMA control zone in the set of WMA control zones corresponding to the selected WMA, based on the in situ data.
10. The work machine of claim 6 wherein the dynamic control zone identification system is configured to identify the plurality of WMA control zones based on dimensions of the work machine.
11. The work machine of claim 6 wherein the dynamic control zone identification system is configured to identify a point in each of the plurality of WMA control zones where the selected WMA is to be actuated based on a speed of the work machine, a responsiveness of the selected actuator and a magnitude of change in the actuator-specific setting value from a current WMA control zone to a next subsequent WMA control zone.
12. A method of controlling a work machine to perform an operation on a worksite, the method comprising: a plurality of work machine actuators (WMAs);dynantically identifying a plurality of work machine actuator (WMA) control zones on the worksite in Which the work machine is to operate based on clustering variable values of a thematic map of the worksite, that maps the variable values to different geographic locations on the worksite, into separate value ranges;assigning a WMA setting value to each of the WMA control zones;sensing a geographic position of the machine on the worksite as the work machine is performing the operation and generating a position signal indicative of the geographic position of the work machine; andgenerating control signals to control the WMAs based on the geographic position of the work machine relative to the WMA control zones and the setting values in the WMA control zones to control operation of the work machine while the work machine operates in the WMA control zones.
13. The method of claim 12 and further comprising: collecting in situ data from a data sensor that senses the in situ data as the work machine performs the operation; andmodifying assignment of the WMA setting value to each of the WMA control zones, based on the in situ data, while the machine is performing the operation.
14. The method of claim 13 and further comprising: modifying identification of the plurality of WMA control zones on the worksite based on the in situ data.
15. The method of claim 11 wherein dynamically identifying a plurality of work machine actuator (WMA) control zones comprises: identifying a different set of WMA control zones corresponding to each of the plurality of different WMAs.
16. The method of claim 15 wherein assigning a WMA setting value to each of the WMA control zones comprises: generating actuator-specific setting values, specific to a selected WMA, for each WMA control zone in the sot of WMA control zones corresponding to the selected WMA.
17. The method of claim 15 wherein identifying a different set of WMA control zones corresponding to each of the plurality of different WMAs comprises: identifying the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on responsiveness of each of the different WMAs.
18. The method of claim 15 wherein identifying a different set of WMA control zones corresponding to each of the plurality of different WMAs comprises: identifying the different set of WMA control zones corresponding to each of the plurality of different WMAs, based on setting limits of each of the different WMAs.
19. The method of claim 15 and further comprising: identifying a point in each of the plurality of WMA control zones where the selected WMA is to be actuated based on a speed of the work machine, a responsiveness of the selected actuator and a magnitude of change in the actuator-specific setting value from a current WMA control zone to a next subsequent WMA control zone.
20. A work machine comprising: a plurality of work machine actuators (WMAs);an in situ data collection system configured to collect in situ data front a data sensor that senses the in situ data as the work machine performs an operation at the worksite;a dynamic control zone identification system that: obtains a thematic map of a worksite that maps variable values to different geographic locations on the worksite;dynamically identifies a plurality of WMA control zones on the worksite by clustering the variable values into separate value ranges; andmodifies identification of the plurality of WMA control zones on the worksite based on the in situ data; anda dynamic setting identifier system that assigns a WMA setting value to each at the WMA control zones and that modifies assignment of the WMA setting value to each of the WMA control zones, based on the in situ data;a position sensor that senses a geographic position of the work machine on the worksite as the work machine is performing an operation and generates a position signal indicative at the geographic position of the work machine; anda control system that generates control signals to control the WMAs based on the geographic position of the work machine relative to the WMA control zones and the setting values in the WMA control zones.

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	20200326727 A1	Oct 2020	US

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