Industry
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CPC
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F16D2500/00
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F16D2500/10System to be controlled
F16D2500/102Actuator
F16D2500/1021Electrical type
F16D2500/1022Electromagnet
F16D2500/1023Electric motor
F16D2500/1024combined with hydraulic actuation
F16D2500/1025with threaded transmission
F16D2500/1026Hydraulic
F16D2500/1027Details about the hydraulic valves
F16D2500/1028Pneumatic
F16D2500/104Clutch
F16D2500/10406Clutch position
F16D2500/10412Transmission line of a vehicle
F16D2500/10418Accessory clutch
F16D2500/10425Differential clutch
F16D2500/104314WD Clutch dividing power between the front and the rear axle
F16D2500/10437Power Take Off clutch
F16D2500/10443Clutch type
F16D2500/1045Friction clutch
F16D2500/10456Synchro clutch
F16D2500/10462Dog-type clutch
F16D2500/10468Fluid adhesion clutch
F16D2500/10475Magnetic field
F16D2500/10481Automatic clutch
F16D2500/10487Fluid coupling
F16D2500/10493One way clutch
F16D2500/106Engine
F16D2500/1062Diesel
F16D2500/1064Electric
F16D2500/1066Hybrid
F16D2500/1068Engine supercharger or turbocharger
F16D2500/108Gear
F16D2500/1081Actuation type
F16D2500/1082Manual transmission
F16D2500/1083Automated manual transmission
F16D2500/1085Automatic transmission
F16D2500/1086Concentric shafts
F16D2500/1087Planetary gearing
F16D2500/1088CVT
F16D2500/11Application
F16D2500/1102Lawnmower
F16D2500/1105Marine applications
F16D2500/1107Vehicles
F16D2500/111Agricultural
F16D2500/1112Heavy vehicle
F16D2500/1115Racing
F16D2500/1117Motorcycle
F16D2500/112Details of the arrangement of the system
F16D2500/30Signal inputs
F16D2500/302from the actuator
F16D2500/3021Angle
F16D2500/3022Current
F16D2500/3023Force
F16D2500/3024Pressure
F16D2500/3025Fluid flow
F16D2500/3026Stroke
F16D2500/3027Torque
F16D2500/3028Voltage
F16D2500/304from the clutch
F16D2500/30401On-off signal indicating the engage or disengaged position of the clutch
F16D2500/30402Clutch friction coefficient
F16D2500/30403Number of clutch actuations
F16D2500/30404Clutch temperature
F16D2500/30405Estimated clutch temperature
F16D2500/30406Clutch slip
F16D2500/30407Clutch slip change rate
F16D2500/30408Relative rotational position of the input and output parts
F16D2500/30409Signals detecting the transmission of zero torque
F16D2500/3041from the input shaft
F16D2500/30412Torque of the input shaft
F16D2500/30415Speed of the input shaft
F16D2500/30417Speed change rate of the input shaft
F16D2500/3042from the output shaft
F16D2500/30421Torque of the output shaft
F16D2500/30423Signal detecting the transmission of zero torque
F16D2500/30425Estimation of the transmitted clutch torque ej. applying dynamic torque balance equation
F16D2500/30426Speed of the output shaft
F16D2500/30428Speed change rate of the output shaft
F16D2500/305from the clutch cooling
F16D2500/3051Flow amount of cooling fluid
F16D2500/3053On/off signal indicating the presence of cooling oil flow
F16D2500/3055Cooling oil properties
F16D2500/3056Cooling oil temperature
F16D2500/3058Cooling oil pressure
F16D2500/306from the engine
F16D2500/3061Engine inlet air flow rate
F16D2500/3062Engine braking signal indicating the use of the engine as a brake
F16D2500/3063Engine fuel flow rate
F16D2500/3064Temperature of the engine
F16D2500/3065Torque of the engine
F16D2500/3066Torque change rate of the engine
F16D2500/3067Speed of the engine
F16D2500/3068Speed change of rate of the engine
F16D2500/3069Engine ignition switch
F16D2500/308from the transmission
F16D2500/30801Number of shift actuations
F16D2500/30802Transmission oil properties
F16D2500/30803Oil temperature
F16D2500/30805Oil pressure
F16D2500/30806Engaged transmission ratio
F16D2500/30807Estimation of the engaged transmission ratio
F16D2500/30808Detection of transmission in neutral
F16D2500/3081from the input shaft
F16D2500/30812Direction of rotation of the input shaft
F16D2500/30814Torque of the input shaft
F16D2500/30816Speed of the input shaft
F16D2500/30818Speed change rate of the input shaft
F16D2500/3082from the output shaft
F16D2500/30822Torque of the output shaft
F16D2500/30825Speed of the output shaft
F16D2500/30827Speed change rate of the output shaft
F16D2500/31from the vehicle
F16D2500/3101Detection of a brake actuation by a sensor on the brake
F16D2500/3102Vehicle direction of travel
F16D2500/3104Travelled distance
F16D2500/3105Operational Time of clutches during vehicle life
F16D2500/3107Vehicle weight
F16D2500/3108Vehicle speed
F16D2500/3109Vehicle acceleration
F16D2500/3111Standing still
F16D2500/3112Vehicle acceleration change rate
F16D2500/3114Vehicle wheels
F16D2500/3115Vehicle wheel speed
F16D2500/3117Vehicle wheel torque
F16D2500/3118Slip of vehicle wheels
F16D2500/312External to the vehicle
F16D2500/3121Ambient conditions
F16D2500/3122Ambient temperature
F16D2500/3124Driving conditions
F16D2500/3125Driving resistance, i.e. external factors having an influence in the traction force
F16D2500/3127Road slope
F16D2500/3128Distance from the vehicle to an external element
F16D2500/314from the user
F16D2500/31406input from pedals
F16D2500/31413Clutch pedal position
F16D2500/3142Clutch pedal position rate
F16D2500/31426Brake pedal position
F16D2500/31433Brake pedal position threshold
F16D2500/3144Accelerator pedal position
F16D2500/31446Accelerator pedal position change rate
F16D2500/31453Accelerator pedal position threshold
F16D2500/3146input from levers
F16D2500/31466Gear lever
F16D2500/31473Parking brake lever
F16D2500/3148Detection of user presence
F16D2500/31486Recognition of user style of driving
F16D2500/31493Switches on the dashboard
F16D2500/316Other signal inputs not covered by the groups above
F16D2500/3161Signal providing information about the state of engine accessories
F16D2500/3163Using the natural frequency of a component as input for the control
F16D2500/3165Using the moment of inertia of a component as input for the control
F16D2500/3166Detection of an elapsed period of time
F16D2500/3168Temperature detection of any component of the control system
F16D2500/50Problem to be solved by the control system
F16D2500/501Relating the actuator
F16D2500/5012Accurate determination of the clutch positions
F16D2500/5014Filling the actuator cylinder with fluid
F16D2500/5016Shifting operation
F16D2500/5018Calibration or recalibration of the actuator
F16D2500/502Relating the clutch
F16D2500/50203Transition between manual and automatic control of the clutch
F16D2500/50206Creep control
F16D2500/50209Activation of the creep control operation
F16D2500/50212Accelerator pedal
F16D2500/50215Brake pedal
F16D2500/50218Clutch pedal
F16D2500/50221Manual switch actuated by the user
F16D2500/50224Drive-off
F16D2500/50227Control of clutch to control engine
F16D2500/5023Determination of the clutch wear
F16D2500/50233Clutch wear adjustment operation
F16D2500/50236Adaptations of the clutch characteristics
F16D2500/50239Soft clutch engagement
F16D2500/50242Cleaning of clutches
F16D2500/50245Calibration or recalibration of the clutch touch-point
F16D2500/50248During assembly
F16D2500/50251During operation
F16D2500/50254Brake actuated
F16D2500/50257During a creep operation
F16D2500/5026Gear engaged
F16D2500/50263During standing still
F16D2500/50266Way of detection
F16D2500/50269Engine speed
F16D2500/50272Gearing speed
F16D2500/50275Estimation of the displacement of the clutch touch-point due to the modification of relevant parameters
F16D2500/50278Stalling
F16D2500/50281Transmitted torque
F16D2500/50284Control of secondary clutch in the driveline, i.e. not including clutches in automatic transmission
F16D2500/50287Torque control
F16D2500/5029Reducing drag torque
F16D2500/50293Reduction of vibrations
F16D2500/50296Limit clutch wear
F16D2500/503relating to the accumulator
F16D2500/5035Filling level of an accumulator providing fluid for the engagement of the clutch
F16D2500/504Relating the engine
F16D2500/5041Control of engine accessories
F16D2500/5043Engine fuel consumption
F16D2500/5045Control of engine at idle, i.e. controlling engine idle conditions
F16D2500/5046Preventing engine over-speed
F16D2500/5048Stall prevention
F16D2500/506Relating the transmission
F16D2500/50607Facilitating engagement of a dog clutches
F16D2500/50615Facilitating disengagement of a dog clutch
F16D2500/50623Preventing transmission load change
F16D2500/5063Shaft dither, i.e. applying a pulsating torque to a (transmission) shaft to create a buzz or dither
F16D2500/50638Shaft speed synchronising
F16D2500/50646Control of the main clutch to prevent or release a tooth-to-tooth condition in the transmission
F16D2500/50653Gearing shifting without the interruption of drive
F16D2500/50661Limit transmission input torque
F16D2500/50669Neutral control
F16D2500/50676Optimising drive-train operating point
F16D2500/50684Torque resume after shifting
F16D2500/50692Simulate the characteristics of a torque converter
F16D2500/507Relating the vehicle
F16D2500/5075Prevention or regulation of vehicle's wheel slip
F16D2500/508Relating driving conditions
F16D2500/50808Cold starting
F16D2500/50816Control during a braking operation
F16D2500/50825Hill climbing or descending
F16D2500/50833Control during a stability control operation [ESP]
F16D2500/50841Hill hold
F16D2500/5085Coasting
F16D2500/50858Selecting a Mode of operation
F16D2500/50866Parking
F16D2500/50875Driving in reverse
F16D2500/50883Stop-and-go, i.e. repeated stopping and starting
F16D2500/50891Towing or towed
F16D2500/51Relating safety
F16D2500/5102Detecting abnormal operation
F16D2500/5104Preventing failures
F16D2500/5106Overheat protection
F16D2500/5108Failure diagnosis
F16D2500/511Leak detection
F16D2500/5112Using signals from redundant sensors
F16D2500/5114Failsafe
F16D2500/5116Manufacture, testing, calibrating, i.e. test or calibration of components during or soon after assembly
F16D2500/5118Maintenance
F16D2500/512Relating to the driver
F16D2500/5122Improve passengers comfort
F16D2500/5124Driver error
F16D2500/5126Improving response to driver inputs
F16D2500/5128Driver workload reduction
F16D2500/52General
F16D2500/525Improve response of control system
F16D2500/70Details about the implementation of the control system
F16D2500/702Look-up tables
F16D2500/70205Clutch actuator
F16D2500/70211Force
F16D2500/70217Pressure
F16D2500/70223Current
F16D2500/70229Voltage
F16D2500/70235Displacement
F16D2500/70241Angle
F16D2500/70247Engine
F16D2500/70252Clutch torque
F16D2500/70258Throttle
F16D2500/70264Stroke
F16D2500/7027Engine speed
F16D2500/70276Slip
F16D2500/70282Time
F16D2500/70288Clutch pedal position
F16D2500/70294Valve look-up tables
F16D2500/704Output parameters from the control unit Target parameters to be controlled
F16D2500/70402Actuator parameters
F16D2500/70404Force
F16D2500/70406Pressure
F16D2500/70408Torque
F16D2500/7041Position
F16D2500/70412Clutch position change rate
F16D2500/70414Quick displacement to clutch touch point
F16D2500/70416Angle
F16D2500/70418Current
F16D2500/7042Voltage
F16D2500/70422Clutch parameters
F16D2500/70424Outputting a clutch engaged-disengaged signal
F16D2500/70426Clutch slip
F16D2500/70428Clutch slip change rate
F16D2500/7043Clutch temperature
F16D2500/70432From the input shaft
F16D2500/70434Input shaft torque
F16D2500/70436Input shaft speed
F16D2500/70438From the output shaft
F16D2500/7044Output shaft torque
F16D2500/70442Output shaft speed
F16D2500/70444Output shaft speed rate
F16D2500/70446Clutch cooling parameters
F16D2500/70448for regulating the amount of fluid flow
F16D2500/7045On/off switching of the cooling fluid flow
F16D2500/70452Engine parameters
F16D2500/70454Engine speed
F16D2500/70456Engine speed change rate
F16D2500/70458Engine torque
F16D2500/7046Engine torque change rate
F16D2500/70462Opening of the throttle valve
F16D2500/70464Transmission parameters
F16D2500/70466Input shaft
F16D2500/70468Input shaft torque
F16D2500/7047Input shaft torque change rate
F16D2500/70472Input shaft speed
F16D2500/70474Input shaft speed change rate
F16D2500/70476Output shaft
F16D2500/70478Output shaft power
F16D2500/7048Output shaft torque
F16D2500/70482Output shaft torque change rate
F16D2500/70484Output shaft speed
F16D2500/70486Output shaft speed change rate
F16D2500/70488Selection of the gear ratio
F16D2500/7049Brake parameters
F16D2500/70492Vehicle parameters
F16D2500/70494Vehicle speed
F16D2500/70496Vehicle acceleration
F16D2500/70498Vehicle acceleration change rate
F16D2500/706Strategy of control
F16D2500/70605Adaptive correction Modifying control system parameters
F16D2500/7061Feed-back
F16D2500/70615PI control
F16D2500/70621PD control
F16D2500/70626PID control
F16D2500/70631Feed-forward
F16D2500/70636Fuzzy logic
F16D2500/70642Inverse model
F16D2500/70647Neuronal network
F16D2500/70652Open loop
F16D2500/70657Predictor methods
F16D2500/70663State analysis Analysing potential states of the machine and developing control strategies at each state
F16D2500/70668Signal filtering
F16D2500/70673Statistical calculations
F16D2500/70678using histogrames
F16D2500/70684using regressions
F16D2500/70689using maximum or minimum values
F16D2500/70694with plausibility checks
F16D2500/708Mathematical model
F16D2500/7082of the clutch
F16D2500/7085of the driver
F16D2500/7087of the vehicle
F16D2500/71Actions
F16D2500/7101Driver alarm
F16D2500/7102by provoking vibrations of a vehicle part
F16D2500/7103Acoustic alarms
F16D2500/7104Visual alarms
F16D2500/7105Inhibit control automatically
F16D2500/7106Gearshift to neutral
F16D2500/7107Others
F16D2500/7108Engine torque calculation
F16D2500/7109Pulsed signal Generating or processing pulsed signals PWM, width modulation, frequency or amplitude modulation
