F-Term-List

(Not Translated)
3D232 STEERING CONTROL IN ACCORDANCE WITH DRIVING CONDITIONS
B62D6/00 -6/10
B62D6/00-6/10 CC CC00
CONTROL PURPOSE
CC01 CC02 CC03 CC04 CC05 CC06 CC08 CC09 CC10
. Improvement of steerage and stability * . . Steering stability * . . . Steering reaction force . . . Stability against disturbance * . . . . Road surface disturbance . . . . Side wind disturbance . . Steering sense * . . . Steering wheel shimmy countermeasures . . . Kickback countermeasures
CC12 CC13 CC14 CC15 CC16 CC17 CC18 CC19 CC20
. . Steering response or turning characteristics * . . . Improvement of characteristics of small turning circle . . Improvement of yaw characteristics . . Improvement of lateral acceleration characteristics . . Improvement of steering characteristics * . . . Prevention of understeering tendency . . . Prevention of oversteering tendency . . Use of ITS . . Response to automatic driving including garaging function
CC21 CC22 CC23 CC24 CC26 CC27 CC28 CC30
. Safety or reliability * . . Prevention of variation due to operational characteristics of control system or delay * . . . Delay of detection of sensor . . . Delay of actuator operation . . Prevention of erroneous determination or erroneous operation or fail-safe * . . . Noise countermeasures . . . Detection of sensor abnormal value due to causes other than failures . . Improvement of detection accuracy including improvement of accuracy of sensor itself
CC32 CC33 CC34 CC35 CC36 CC37 CC38 CC39 CC40
. . Countermeasures against failure or fail-safe * . . . Sensor failures . . . Actuator failures . . . Failures of computation circuits or CPU . . . Memory abnormalities . . . Backup . . . Self-diagnosis . . . Alarm display for abnormality . . . Prohibition discontinuance stop return or the like
CC42 CC43 CC44 CC45 CC46 CC48 CC49 CC50
. . Hunting prevention . . Prevention of overshooting or undershooting . . Countermeasures against voltage fluctuation . . Countermeasures against change or degradation with time . . Sudden change prevention . Cost reduction or system size reduction . Improvement of energy saving . Others *
DA DA00
CONTROL INPUT SIGNAL
DA01 DA02 DA03 DA04 DA05 DA06 DA08 DA09 DA10
. Steering condition * . . Front wheel steering angle * . . . Steering angle of wheel . . . Steering angle of tyre . . . . Displacement of tie rod in the axial direction . . Rear wheel steering angle including angular velocity or angular acceleration . . Steering angular velocity of front wheels * . . . Steering angular velocity of steering wheels . . . Steering angular velocity of tyres
DA12 DA13 DA14 DA15 DA16 DA17 DA18 DA19 DA20
. . Steering angular acceleration of front wheels * . . . Steering angular acceleration of steering wheels . . . Steering angular acceleration of tyres . . Steering torque . . Steering transmission ratios . . Steering angular ratio of front and rear wheels . . Inner wheel difference . . Neutral position . . Turning and returning of steering wheels
DA21 DA22 DA23 DA24 DA25 DA27 DA28 DA29
. Vehicle movement state quantity * . . Positions . . Vehicle speed * . . . Wheel speed . . Forward or backward acceleration including jerk . . Lateral displacement . . Lateral speed . . Lateral acceleration including jerk
DA32 DA33 DA34 DA36 DA37 DA39 DA40
. . Yaw angle displacement . . Yaw rates or yaw angular velocity . . Yaw angular acceleration including jerk . . Roll . . Pitch . . Vehicle body sideslip angle angular velocity or angular acceleration . . Wheel sideslip angle angular velocity or angular acceleration
DA42 DA43 DA44 DA46 DA47 DA48 DA49 DA50
. . Vertical displacement i.e. dynamic displacement . . Vertical speed or acceleration including jerk . . Wheel alignment amount including toes cambers or casters . Cornering power or cornering force . Engine conditions * . . Torque . . Number of revolutions . Load capacity load or vehicle height
DA51 DA52 DA53 DA54
. Fluid-pressure apparatus state quantity * . . Fluid pressure . . Fluid temperature . . Fluid viscosity
DA61 DA62 DA63 DA64 DA65 DA66 DA67
. Motor state quantity * . . Motor torque . . Number of revolutions of motors including position angular velocity or angular acceleration . . Electric current . . Voltage . . Phase . . Temperature
DA71 DA72 DA73 DA74 DA76 DA77 DA78
. Environment * . . Weather * . . . Atmospheric temperature . . Driving areas e.g. expressways urban areas or the like . Obstacles * . . Other vehicles . . Pedestrians and on-street structures
DA81 DA82 DA83 DA84 DA86 DA87 DA88 DA90
. Road conditions * . . Road surface conditions e.g. snowy roads gravel roads friction coefficients or the like . . Balance inclination or road gradient . . Lanes . Information from outside vehicle * . . GPS . . Information from the ground including images or the like . In-vehicle database
DA91 DA92 DA93 DA94 DA95 DA96 DA97 DA98 DA99
. Occupant's operation * . . Throttle operation or accelerator operation . . Brake operation . . Parking brake operation . . Transmission including gear position * . . . Automatic transmission . . Clutch operation . Occupant's condition . Others *
DB DB00
CONTROL TIMING
DB01 DB02 DB03 DB05 DB06 DB07 DB08 DB09 DB10
. at the time of driving at constant speed . at the time of driving at a middle or high speed . at the time of driving at a low speed . at the time of being stopped . at the time of starting moving . at the time of moving back . at the time of changing speed . during acceleration . during deceleration
DB11 DB12 DB13 DB14 DB20
. during turning * . . Initial turning stage . . Middle turning stage . . Final turning stage . Others *
DC DC00
SIGNAL PROCESSING
DC01 DC02 DC03 DC04 DC05 DC07 DC08 DC09 DC10
. Proportional processing . Integral processing . Differential processing . Average value processing * . . Weighted average . Logical calculation e.g. AND or OR . Memory maps . Timekeeping means or timers . History accumulation and memory retention means
DC11 DC12 DC13 DC14 DC15 DC17 DC18
. Filters * . . Low-pass filters . . High-pass filters . . Band-pass filters * . . . Change in bandwidth . Phase compensation * . . Delay elements
DC21 DC22 DC24 DC25 DC26 DC28 DC29
. Dead zones or hysteresis * . . characterised by setting the width of dead zones or hysteresis . Priority means e.g. order in interrupt processing or the like . Selection of a plurality of input signals of the same kind . Dithers . Positive/negative or forward/reverse-determining means . Absolute value determination means
DC31 DC32 DC33 DC34 DC35 DC36 DC38 DC40
. having criteria (a b) * . . Type of criteria * . . . a<=X (X: variable) . . . X<=a (X: variable) . . . a<=X<=b (X: variable) . . changeable in criteria . Image processing . Others *
DD DD00
CONTROL SYSTEM
DD01 DD02 DD03 DD05 DD06 DD07 DD08 DD09 DD10
. characterised by setting target values of control systems by memory maps. . characterised by setting target values of control systems by calculations e.g. functions or the like . characterised by switching control systems . characterised by setting control gains . . having changeable control gains . characterised by transfer functions . having normative models or models with formulated control purpose . Digital control . Duty control or PWM control
DD11 DD12 DD13 DD14 DD15 DD17 DD18 DD20
. Fuzzy control . Neuro control . having evaluation functions or optimum control . Adaptive control . Learning control . Feedback control . Feedforward control . Others *
DE DE00
CONTROL OUTPUT PATTERN
DE01 DE02 DE03 DE05 DE06 DE08 DE09 DE10
. Rapid increase or decrease . Gradual increase or decrease . Change of increasing or decreasing rates . setting critical values or threshold values * . . making change . fixed or made constant . prohibiting stopping or discontinuing * . . having dead zones or hysteresis characteristics
DE11 DE12 DE14 DE20
. Delay * . . setting or changing delay time . setting control time . Others *
EA EA00
CONTROLLING OBJECT OR STEERING OBJECT
EA01 EA02 EA04 EA05 EA06 EA07 EA08 EA09 EA10
. 2WS (front wheels) . 2WS (rear wheels) . 4WS * . . Front wheels . . Rear wheels . . Steering angle ratio of front and rear wheels . switching four-wheel steering and two-wheel steering . Multiaxial steering . Others *
EB EB00
CONTROLLING OBJECT OR CONTROL AMOUNT
EB01 EB02 EB04 EB05 EB06 EB07 EB08
. Steering direction or phases * . . switching modes of characteristics . Steering angle or steering amount . Steering transmission ratios . Dead zones . Time lag and response . Neutral positions
EB11 EB12 EB13 EB15 EB16 EB17
. Steering force * . . Steering reaction force . . Steering-holding power . Vehicle movement state quantity * . . Yaw rates or yaw angles . . Lateral acceleration or lateral speed
EB21 EB22 EB23 EB30
. Sideslip angles . Cornering power or cornering force . stability factors . Others *
EC EC00
CONTROLLING OBJECT OR CONTROL MECHANISM
EC01 EC02 EC03 EC04 EC05 EC06 EC08 EC09 EC10
. Hydraulic control apparatus * . . Adjustment of supplied oil amount * . . . Pumps . . . Flow control valves * . . . . Orifices . . . . Tank bypass valves . . Directional control valves * . . . Rotary valves . . . Sliding spool valves
EC12 EC13 EC14 EC15 EC16 EC18 EC20
. . Reaction force control mechanisms or those having reaction force chambers * . . . by flow dividing valves . . . by supply valves or discharge valves . . . by reaction force-adjusting valves . . Reaction force control mechanisms or those adjusting sensitivity of valves . . Adjustment of the communicating amount between left and right chambers of cylinder . . Neutral position setting means
EC21 EC22 EC23 EC24 EC25 EC26 EC27 EC28 EC29 EC30
. Electric motor type control apparatus * . . Electric motors * . . . Current supply adjustment . . . Supply voltage adjustment . . . Means for determining positive direction or negative direction . . . Absolute value-determining means . . Clutches . . Reduction gears . . Reaction force control mechanisms . . Neutral position-setting devices
EC31 EC32 EC33 EC34 EC35 EC37 EC40
. Variable mechanisms for steering transmission ratio . Variable mechanisms for steering angle ratio of front and rear wheels . Cable type steering mechanisms . peculiar to automatic steering mechanisms * . . regarding GPS . Steering by wire . Others *
FF FF00
RELATION WITH OTHER CONTROL SYSTEMS
FF01 FF02 FF03 FF04 FF05 FF06 FF07 FF08 FF09 FF10
. Brake control including control of ABS . Control of transmission . Vehicle suspension units * . . Wheel alignment adjustment . Four-wheel drive and drive force distribution control * . . Differential gears . Engine control . Traction Control . Aerodynamicl unit control or spoiler control . Others *
GG GG00
VEHICLE TYPE
GG01 GG02 GG04 GG05 GG06 GG07 GG08
. General vehicles or vehicles driving on general roads . . Heavy vehicles buses or trucks . Industrial vehicles * . . Trailers or multi-axial steering vehicles . . Forklifts . . Unmanned conveyor vehicles . . Multidirectionally-driving vehicles
GG11 GG12 GG13 GG15 GG20
. Agricultural vehicles * . . Agricultural tractors . . Rice transplanters . Electric automobiles . Others *
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