| ReturnTo Theme-Group-Choice | Onelevelup |
| 3D032 | Devices for automatically controlling steering depending on driving conditions | |
| B62D6/00 -6/06 | ||
| CC | CC00 Purpose of control |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC08 | CC09 | CC10 | ||
| . Improvement of steerage/stability | . . Steering stability | . . . Steering reaction force | . . . Stability against external turbulence | . . . . Road surface external turbulence | . . . . Lateral wind external turbulence | . . Sense of steering | . . . Measures to steering wheel shimmy | . . . Measures to kickback | ||||
| CC12 | CC13 | CC14 | CC15 | CC16 | CC17 | CC18 | CC19 | CC20 | ||||
| . . Steering response/turning performance | . . . Improvement of making small adjustment | . . Improvement of yaw characteristic | . . Improvement of characteristic on lateral acceleration | . . Improvement of steering characteristic | . . . Prevention of under steering tendency | . . . Prevention of over steering tendency | . . Using ITS (Intelligent Transport System) | . . Response to automatic traveling (incl. garaging function) | ||||
| CC21 | CC22 | CC23 | CC24 | CC26 | CC27 | CC28 | CC30 | |||||
| . Safety/reliability | . . Operating characteristic in control system/variational prevention by delay | . . . Delay of sensor detection | . . . Delay of actuator operation | . . Prevention of erroneous judgment/wrong action (i.e. fail safe) | . . . Measures to noise | . . . Sensor abnormal value detection (except failure originated matter) | . . Improvement of detecting accuracy (Incl. accuracy improvemen of sensor itself) | |||||
| CC32 | CC33 | CC34 | CC35 | CC36 | CC37 | CC38 | CC39 | CC40 | ||||
| . . Measures to failure (incl. fail safe) | . . . Sensor failure | . . . Actuator failure | . . . Operation processing circuit/CPU failure | . . . Memory failure | . . . Backup | . . . Self-diagnosis (diagnosis) | . . . Alarm failure indication | . . . Inhibition/termination/stop/recovery | ||||
| CC42 | CC43 | CC44 | CC45 | CC46 | CC48 | CC49 | CC50 | |||||
| . . Anti-hunting | . . Over-shoot/under-shoot prevention | . . Measures to voltage fluctuation | . . Measures to aged deterioration (deterioration) | . . Sudden change prevention | . Low cost/compact system | . Improvement of energy saving | . Others | |||||
| DA | DA00 Control input signal |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA08 | DA09 | DA10 | ||
| . Condition of steering | . . Front wheel steering angle | . . . Handle steering angle | . . . Tyre steering angle | . . . . Tie rod shaft direction displacement | . . Rear wheel steering angle (incl. angle speed/angle acceleration) | . . Front wheel steering angle speed | . . . Handle steering angle speed | . . . Tyre steering angle speed | ||||
| DA12 | DA13 | DA14 | DA15 | DA16 | DA17 | DA18 | DA19 | DA20 | ||||
| . . Front wheel steering angle acceleration | . . . Handle steering angle acceleration | . . . Tyre steering angle acceleration | . . Steering torque | . . Steering transmission ratio | . . Front and rear wheel steering angle ratio | . . Turning radius difference | . . Neutral position | . . Turning handle back | ||||
| DA21 | DA22 | DA23 | DA24 | DA25 | DA27 | DA28 | DA29 | |||||
| . Quantity of vehicle motion state | . . Position | . . Vehicle speed | . . . Wheel speed | . . Front and rear acceleration (incl. jerk) | . . Lateral direction displacement | . . Lateral speed | . . Latera acceleration (incl. jerk) | |||||
| DA32 | DA33 | DA34 | DA36 | DA37 | DA39 | DA40 | ||||||
| . . Yaw angle displacement | . . Yaw rate (i.e. yaw angle speed) | . . Yaw angle acceleration (incl. jerk) | . . Roll | . . Pitch | . . Side slide angle/angle speed/acceleration of bodyshell | . . Side slide angle/angle speed/acceleration of wheel | ||||||
| DA42 | DA43 | DA44 | DA46 | DA47 | DA48 | DA49 | DA50 | |||||
| . . Vertical displacement (dynamical) | . . Vertical speed/acceleration (incl. jerk) | . . Wheel alignment quantity (toe/camber/castor) | . Cornering power/cornering force | . Engine condition | . . Torque | . . Number of revolutions | . Load capacity/load/vehicle height | |||||
| DA51 | DA52 | DA53 | DA54 | |||||||||
| . Quantity of fluid pressure equipment state | . . Fluid pressure | . . Fluid temperature | . . Fluid viscosity | |||||||||
| DA61 | DA62 | DA63 | DA64 | DA65 | DA66 | DA67 | ||||||
| . Quantity of electric motor state | . . Motor torque | . . Number of motor revolutions (incl. position/angle speed/angle acceleration) | . . Electric current | . . Voltage | . . Phase | . . Temperature | ||||||
| DA71 | DA72 | DA73 | DA74 | DA76 | DA77 | DA78 | ||||||
| . Environment | . . Climate | . . . Air temperature | . . Travel area (e.g. highway/town) | . Obstacle | . . Other vehicle | . . Pedestrian/ structure on a road | ||||||
| DA81 | DA82 | DA83 | DA84 | DA86 | DA87 | DA88 | DA90 | |||||
| . Road condition | . . Road surface condition (e.g. snowy road/gravel road/coefficient of friction) | . . Equilibrium/inclination/road pitch | . . Traffic lane | . Informationn from outside of vehicle | . . GPS (Global Positioning System) | . . Information from ground (incl. image or the like) | . On-vehicle database | |||||
| DA91 | DA92 | DA93 | DA94 | DA95 | DA96 | DA97 | DA98 | DA99 | ||||
| . Operation of occupant | . . Throttle operation (accelerator control) | . . Brake operation | . . Parking brake operation | . . Transmission (incl. gear position) | . . . Automatic | . . Clutch operation | . Condition of occupant | . Others | ||||
| DB | DB00 Control period |
DB01 | DB02 | DB03 | DB05 | DB06 | DB07 | DB08 | DB09 | DB10 | ||
| . During constant-speed travel | . During medium-and-high-speed travel | . During low speed travel | . At stop | . At start | . During moving back | . During speed control | . During acceleration | . During deceleration | ||||
| DB11 | DB12 | DB13 | DB14 | DB20 | ||||||||
| . During turning | . . Early turning | . . Middle turning | . . Late turning | . Others | ||||||||
| DC | DC00 Signal processing |
DC01 | DC02 | DC03 | DC04 | DC05 | DC07 | DC08 | DC09 | DC10 | ||
| . Ratio processing | . Integration processing | . Differential processing | . Mean value processing | . . Weighted mean | . Logic operation (AND/OR) | . Memory map | . Timer means (e.g. timer) | . History accumulation/Memory holding means | ||||
| DC11 | DC12 | DC13 | DC14 | DC15 | DC17 | DC18 | ||||||
| . Filter | . . Low-pass filter | . . High-pass filter | . . Band-pass filter | . . . Bandwidth change | . Phase compensation | . . Delay element | ||||||
| DC21 | DC22 | DC24 | DC25 | DC26 | DC28 | DC29 | ||||||
| . Dead zone/hysteresis | . . Characterized by dead zone/hysteresis width setting | . Priority means (e.g. order in interrupt processing) | . Selection of a plurality of equivalent input signals | . Dither | . Plus or minus (reverse) judgment means | . Absolute value determination means | ||||||
| DC31 | DC32 | DC33 | DC34 | DC35 | DC36 | DC38 | DC40 | |||||
| . Having judgment criterion (a/b) | . . Type of judgment criterion | . . . a<= X (X:variable) | . . . X<= a (X:variable) | . . . a<= X<= b (X:variable) | . . Changeable judgment criterion | . Image processing | . Others | |||||
| DD | DD00 Control system |
DD01 | DD02 | DD03 | DD05 | DD06 | DD07 | DD08 | DD09 | DD10 | ||
| . Characterized by desired value setting of control system with memory map | . Characterized by desired value setting of control system with arithmetic operation (e.g. function) | . Characterized by switching of control system | . Characterized by control gain setting | . . Changeable control gain | . Characterized by transfer function | . Having exemplary modeling (control object formulated model) | . Digital control | . Duty control (PWM control -Pulse Wide Modulation-) | ||||
| DD11 | DD12 | DD13 | DD14 | DD15 | DD17 | DD18 | DD20 | |||||
| . Fuzzy control | . Neurocontrol | . Having evaluation function (optimum control) | . Adaptive control | . Learning control | . Feedback control | . Feed forward control | . Others | |||||
| DE | DE00 Control output pattern |
DE01 | DE02 | DE03 | DE05 | DE06 | DE08 | DE09 | DE10 | |||
| . Sudden increase and decrease | . Gradual increase and decrease | . Change of increase and decrease ratio | . Critical value/limit value | . . Changeable | . Fixed/constant | . Inhibit/stop/Terminate | . . Dead zone/hysteresis characteristic | |||||
| DE11 | DE12 | DE14 | DE20 | |||||||||
| . Delay | . . Setting/change of delay time | . Setting of control time | . Others | |||||||||
| EA | EA00 Control object (steering object) |
EA01 | EA02 | EA04 | EA05 | EA06 | EA07 | EA08 | EA09 | EA10 | ||
| . 2WS (front wheel) | . 2WS (rear wheel) | . 4WS | . . Front wheel | . . Rear wheel | . . Steering ratio of front and rear wheel | . Switching between 4WS (Wheel Steering) and 2WS | . Multiple shaft steering | . Others | ||||
| EB | EB00 Control object (controlled variable) |
EB01 | EB02 | EB04 | EB05 | EB06 | EB07 | EB08 | ||||
| . Steering direction/phase | . . Mode changing of characteristic | . Steering angle/steering quantity | . Steering transmission ratio | . Dead zone | . Time-lag/response | . Neutral position | ||||||
| EB11 | EB12 | EB13 | EB15 | EB16 | EB17 | |||||||
| . Steering force | . . Steering reaction force | . . Steering retention force | . Quantity of vehicle motion state | . . Yaw rate/Yaw angle | . . Lateral acceleration/speed | |||||||
| EB21 | EB22 | EB23 | EB30 | |||||||||
| . Side slide angle | . Cornering power/cornering force | . Stability factor | . Others | |||||||||
| EC | EC00 Control object (control mechanism) |
EC01 | EC02 | EC03 | EC04 | EC05 | EC06 | EC08 | EC09 | EC10 | ||
| . Hydraulic control device | . . Adjustment of oil quantity | . . . Pump | . . . Flow control valve | . . . . Orifice | . . . . Tank by-pass valve | . . Direction control valve | . . . Rotary valve | . . . Sliding spool valve | ||||
| EC12 | EC13 | EC14 | EC15 | EC16 | EC18 | EC20 | ||||||
| . . Reaction force control mechanism (having reaction force chamber) | . . . By flow-dividing valve | . . . By supply valve/discharge valve | . . . Reaction force adjust valve | . . Reaction force control mechanism (adjust valve sensitivity) | . . Communication amount adjustment of cylinder right and left side chambers | . . Neutral position setting means | ||||||
| EC21 | EC22 | EC23 | EC24 | EC25 | EC26 | EC27 | EC28 | EC29 | EC30 | |||
| . Electric motor type control device | . . Electric motor | . . . Supply current adjustment | . . . Supply voltage adjustment | . . . Plus or minus (direction) determination means | . . . Absolute value determination means | . . Clutch | . . Retardation machine | . . Reaction force control mechanism | . . Neutral position setting device | |||
| EC31 | EC32 | EC34 | EC35 | EC40 | ||||||||
| . Steering transmission ratio variable mechanism | . Front and rear wheel angle ratio variable mechanism | . Specialized in automatic steering mechanism | . . Related to GPS (Global Positioning System) | . Others | ||||||||
| FF | FF00 Relation to other control system |
FF01 | FF02 | FF03 | FF04 | FF05 | FF06 | FF07 | FF08 | FF09 | FF10 | |
| . Brake control (incl. ABS control -Antilock Brake System) | . Transmission control | . Vehicle suspension | . . Wheel alignment adjustment | . Four wheel drive/drive force distribution control | . . Differential gear | . Engine control | . Traction control | . Aerodynamic device control (spoiler control) | . Others | |||
| GG | GG00 Type of vehicle |
GG01 | GG02 | GG04 | GG05 | GG06 | GG07 | GG08 | ||||
| . General vehicle (vehicle to travel on road) | . . Heavy vehicle (e.g. bus/truck) | . Industrial vehicle | . . Trailer (multiple shaft steering vehicle) | . . Forklift | . . Driverless conveying vehicle | . . Multidirectional traveling vehicle | ||||||
| GG11 | GG12 | GG13 | GG15 | GG20 | ||||||||
| . Agricultural vehicle | . . Agricultural tractor | . . Rice transplanter | . Electric vehicle | . Others |