The present disclosure is related to connected and automated aerial vehicles, manned and unmanned aerial vehicles operated near the surface, and aerial vehicles operated in coordination with terrestrial vehicles. This disclosure is an organizational structure needed to support cooperative, autonomous, and automated operation of aerial and terrestrial vehicle.
Operators of aerial vehicles need tools and practices so that they can use those vehicles in business operations that have the potential to scale to large areas, and so that multiple individual business and governmental agencies can operate those vehicles safely and efficiently in a shared environment.
Manned and unmanned aerial vehicles, operated near the surface, rely on human actions from the start of a flight to the end of the flight. Current aerial vehicles operated near the surface are operated randomly by a human operator either on the ground or in the vehicle. There is no general established pattern for the vehicles to follow that takes into account the environment in which the vehicle will operate, or way to describe that pattern. Typically, one operator is needed for each vehicle.
It is up to individuals to decide where to operate their aerial vehicle. Individuals are responsible for avoiding features on the surface such as buildings, trees, and utility lines. They are also responsible for knowing where their vehicles are allowed to operate.
This disclosure describes a system and a method of using a centralized hub that controls/authenticates which aerial and/or terrestrial vehicles are on a local vehicle operations travelway. Communications networks are established that can handle one-off decisions for local networks, regarding the vehicles. This centralized hub may be implemented for each location, and federated with other centralized hubs (e.g., for purposes of identification/authentication, etc.).
Additionally, the system and method establishes conventions regarding where the vehicles can operate, based not only on community preferences (e.g., protecting the privacy or property rights of individual), but may also be based on spontaneous events that limit where the vehicles can operate (e.g., civil emergencies, special events, etc.). While practitioners have concentrated on building single-purpose or local implementations of businesses or government agencies using aerial vehicles without consideration of how those vehicles would interact and coexist with other's aerial vehicles, the system and method provides a common practice that would be used. As such, regardless of location, the vehicles will operate based on similar rules.
The system and method would allow one operator to control multiple vehicles, or for the vehicles themselves to operate in coordination, such as a platoon. Also, fully automated operation of routine tasks, such as the repeated delivery of goods or people from one place to another, may be more easily facilitated.
A common understanding of consistent rules of operation of vehicles (all vehicles operate on the right side of the road, trains stop when they approach a red block signal, etc.) has greatly benefited surface transportation. Similar rules of operation have not been defined for the new class of aerial vehicles being developed for operation near the surface. As such, these vehicles must currently be operated within the view of a human operator, either in the vehicle or on the ground controlling the vehicle remotely. No formal rules of operation have been developed. Operators must decide what to do whenever a conflict or potential conflict occurs among vehicles operating near each other. The present disclosure provides a method for operating these aerial vehicles so that they can go about their intended tasks safely and efficiently, when in the presence of other such vehicles. The method provides a definition for travelways and the rules of operation for long-term use so users could become familiar with them and the use of the system could be optimized. At the same time, definitions of the travelways may be modified quickly and/or temporarily to avoid local catastrophes or natural disasters The present disclosure also provides an improvement on the features made available to aerial vehicles to make them easier for manned and automated operation.
The travelways would facilitate autonomous operation beyond line-of-sight of an operator. There could be operating rules that would allow an operator to move a vehicle onto a travelway. Once on the travelway, the vehicle would follow it like a train on rails with its operation coordinated by Centralized hub with its distributed management system.
Once a vehicle reaches its destination, it could automatically dock to finish its operation or be taken over by an operator who is within line-of-sight.
The present disclosure is amenable to various modifications and alternative forms, and some representative embodiments are shown by way of example in the drawings and will be described in detail herein. It should be understood, however, that the novel aspects of this disclosure are not limited to the particular forms illustrated in the above-enumerated drawings. Rather, the disclosure is to cover all modifications, equivalents, combinations, subcombinations, permutations, groupings, and alternatives falling within the scope of this disclosure as encompassed by the appended claims.
The components of the disclosed embodiments, as described and illustrated herein, may be arranged and designed in a variety of different configurations. Thus, the following detailed description is not intended to limit the scope of the disclosure, as claimed, but is merely representative of possible embodiments thereof. In addition, while numerous specific details are set forth in the following description in order to provide a thorough understanding of the embodiments disclosed herein, some embodiments can be practiced without some or all of these details. Moreover, for the purpose of clarity, certain technical material that is known in the related art has not been described in detail in order to avoid unnecessarily obscuring the disclosure. Furthermore, the drawings are in simplified form and are not to precise scale. For purposes of convenience and clarity only, directional terms such as top, bottom, left, right, up, down, upper, lower, upward and downward may be used with respect to the drawings. These and similar directional terms are not to be construed to limit the scope of the disclosure in any manner. Additionally, the disclosure, as illustrated and described herein, may be practiced in the absence of any element that is not specifically disclosed herein.
The components of the disclosed embodiments, as described and illustrated herein, may be arranged and designed in a variety of different configurations. Thus, the following detailed description is not intended to limit the scope of the disclosure, as claimed, but is merely representative of possible embodiments thereof. In addition, while numerous specific details are set forth in the following description in order to provide a thorough understanding of the embodiments disclosed herein, some embodiments can be practiced without some or all of these details. Moreover, for the purpose of clarity, certain technical material that is known in the related art has not been described in detail in order to avoid unnecessarily obscuring the disclosure. Furthermore, the drawings are in simplified form and are not to precise scale. For purposes of convenience and clarity only, directional terms such as top, bottom, left, right, up, down, upper, lower, upward and downward may be used with respect to the drawings. These and similar directional terms are not to be construed to limit the scope of the disclosure in any manner. Additionally, the disclosure, as illustrated and described herein, may be practiced in the absence of any element that is not specifically disclosed herein.
Referring to the drawings, wherein like reference numbers refer to like components throughout the several Figures,
With continued reference to
The system 12 is configured such that application or software objects are hosted by one or more of the physical components, such that information flows therein to support the operation of the objects 10. The objects 10 may include a vehicle operation center 10a, an emergency management service center 10b, a back office 10c, moving objects 10d, fixed objects 10e, embedded objects 10f, and the like. The moving and fixed objects 10d, 10e are typically located at the side of the road. Embedded objects 10f may be those objects embedded within the vehicles 16. Information flows may be implemented between the objects 10 (10a, 10b, 10c, 10d, 10e, 10f, 10g and the like) using Internet protocol peer-to-peer data exchanges or broadcasts using a dedicated short-range wireless medium or wide area network media.
With continued reference to
As illustrated in
Any vehicle targeted by the advertisement would be obligated by system rules to respond to the advertisement during the second phase of the exchange, illustrated as element number 2, with an anonymous response signed with a certificate also issued by the centralized hub's 14 SCMS 14g. Both devices now have the ability to mutually authenticate each other as valid participants in a private, encrypted data exchange during the third phase of the sequence, illustrated as element number 3. During that exchange the requester's identity and the vehicle's identity would be exchanged privately so unintended parties would not know the details of the exchange. The exchange would finish during the fourth phase, illustrated as element number 4, of the exchange so that both parties would have an equal record of the transaction so disputes could be settled sometime in the future.
System management and organization is embodied in the Vehicle Operation Hub. Although shown as on object on the diagram, this function will be distributed throughout the eventual continental-scale installation assuring consistent implantation and operation. The Hub would use cryptographic processes embodied in the Security Credential Management System, illustrated as element number 2, to assure that all objects are trusted and have the ability protect ownership of data that flows throughout the implementation. Other infrastructure-based objects such as emergency services operation centers and other business centers would also be distributed throughout the implementation.
Appended are descriptions key features implemented using the Hub as a system for organization and coordination of vehicle travel. The following sections provide descriptions of the A) Travelways that would be created, maintained, and distributed by the HUB to form the backbone of the operating strategy; B) strategies for Autonomous Operation along the travelways with handoffs to manual operation when needed; C) strategies for general Operation of all classes of vehicles so that operations can scale; and D) the short-range and wide-area wireless communication needed for coordinated and automatic vehicle coordination.
The present disclosure also relates to connected and automated aerial vehicles, manned and unmanned aerial vehicles operated near the surface, aerial vehicles operated in coordination with terrestrial vehicles. This disclosure is a three-dimensional set of mathematical expressions that precisely describe the travelways for aerial and terrestrial vehicles as a set of lines and intersections.
For many years, people have envisioned flying cars [4-1] operating in neat patterns confined to defined travelways [4-3] just as terrestrial vehicles [4-2] do in a network of roadways or trains in a system of rails (
These conventions may be provided via a mathematical model of three-dimensional travelways, in the form of point sets or equations of line segments, that are connected in a web to describe the paths for allowed operation. The nodes in the web would be the “sphere-abouts” we talked about that would facilitate movement from one line segment to another (left-right-through and up-down) without stopping. Controls at the nodes would not be operated like traffic lights that cause start-stop operation at intersections, but as coordination points were vehicles negotiating the control point would be timed and spaced for continuous operation.
Travelways in the air would be sized to accommodate the type of vehicles likely to operate in them with larger, faster vehicles in larger travelways at the highest level and smaller, slower vehicles in the lower layer. This disclosure defines a method for defining the travelways as mathematical models so that the equipment in an aerial vehicle will have a well-defined path to follow. With reference to
Travelways would be defined to exist above existing surface travelways, or other natural features of the environment such as utility rights-of-way where aerial vehicles would be acceptable. Larger terrestrial features such as Interstate highways 1 or state highways 1 (
The mathematical models would be designed so that they can scale from the most local neighborhood to larger regions to complete cities to full nations and continents (
The definition of the travelways (
Operating conventions would also be established in addition to defining the centerline of the travelway. By way of a non-limiting example, the lines would be layered in such a way that larger, higher performance vehicles would operate at higher levels. Likewise, lower layers would be reserved for smaller, lower performance vehicles.
Intersections of two or more lines would be defined by more detailed definitions mathematical descriptions that would define sphere-abouts, illustrated as element 3 in
Simpler interchanges could be provided to facilitate changes in level or between levels and fixed terrestrial features such as defined landing points, illustrated as element 4 in
The present disclosure also provides an improvement on the features made available to aerial vehicles to make them easier for manned and automated operation. The travelways would facilitate autonomous operation beyond line-of-sight of an operator. There could be operating rules that would allow an operator to move a vehicle onto a travelway. Once on the travelway, the vehicle would follow it like a train on rails with its operation coordinated by Hub with its distributed management system. Once a vehicle reaches its destination, it could automatically dock to finish its operation or be taken over by an operator who is within line-of-sight.
With reference to
The present disclosure is also related to providing a method for operating these aerial vehicles so that they can go about their intended tasks safely and efficiently, when in the presence of other such vehicles.
A common understanding of consistent rules of operation of vehicles (all vehicles operate on the right side of the road, trains stop when they approach a red block signal, etc.) has greatly benefited surface transportation. Similar rules of operation have not been defined for the new class of aerial vehicles being developed for operation near the surface. As such, these vehicles must currently be operated within the view of a human operator, either in the vehicle or on the ground controlling the vehicle remotely. No formal rules of operation have been developed. Operators must decide what to do whenever a conflict or potential conflict occurs among vehicles operating near each other.
The definition of the travelways and the rules of operation would be defined for long-term use so users could become familiar with them and the use of the system could be optimized. At the same time, definitions of the travelways could be modified quickly and temporarily to avoid local catastrophes or natural disasters.
Rules of operation and mathematical models would be created and used for the vast majority of vehicle operation as shown in
Special cases necessitate temporary or possibly permanent changes to the mathematical models or rules of operation.
This disclosure also provides an improvement on the types of communication available for coordinating the operation of these aerial vehicles when they are operated near each other.
Current unmanned aerial vehicles operated near the surface rely on point-to-point radio communication between a specific vehicle and the controller being used by an operator on the ground. Manned aerial vehicles operated near the surface would rely on the same voice and data radio communications use by conventional aerial vehicles operated at typical operating levels. There is no radio-based ability for multiple aerial vehicles to automatically coordinate their operation.
Current aerial vehicle makers have not anticipated the need for coordinated and automated operation of aerial vehicles operating near the surface. These vehicles will have to coordinate well regardless of who builds them, owns them, or operates them. Vehicles participating in the use of the travelways would rely heavily on wireless communication for vehicle-to-vehicle coordination and to interact with the infrastructure for system management. This wireless communication will be a combination of vehicle-to-infrastructure communication using current wide-area network (cellular) infrastructure currently in place (4G) or planned for deployment soon (5G); or a short-range wireless medium that is currently being developed for terrestrial vehicles (DSRC, C-V2X). Using the same technology as terrestrial vehicles would greatly ease the coordination between the terrestrial and aerial vehicles.
Several embodiments have been discussed in the foregoing description. However, the embodiments discussed herein are not intended to be exhaustive or limit the disclosure to any particular form. The terminology which has been used is intended to be in the nature of words of description rather than of limitation. Many modifications and variations are possible in light of the above teachings and the disclosure may be practiced otherwise than as specifically described.
This application claims the benefit of priority from U.S. Provisional Patent Application No. 62/704,896, filed on Jun. 2, 2020, which is incorporated by reference in its entirety.
Number | Date | Country | |
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62704896 | Jun 2020 | US |