External control of clutches by electric or electronic means

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16DCOUPLINGS FOR TRANSMITTING ROTATION CLUTCHES BRAKES

F16D2500/00External control of clutches by electric or electronic means

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