JPH0285676U - - Google Patents
Info
- Publication number
- JPH0285676U JPH0285676U JP16600688U JP16600688U JPH0285676U JP H0285676 U JPH0285676 U JP H0285676U JP 16600688 U JP16600688 U JP 16600688U JP 16600688 U JP16600688 U JP 16600688U JP H0285676 U JPH0285676 U JP H0285676U
- Authority
- JP
- Japan
- Prior art keywords
- wheel steering
- sensor
- front wheel
- steering angle
- vehicle speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001133 acceleration Effects 0.000 claims 2
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Description
第１図は本考案の一実施例を示す制御系統説明
図、第２図は第１図のコントロールユニツトの制
御態様例を示すブロツク図、第３図は後輪目標操
舵角決定用の係数Ｋの車速Ｖに対する設定特性の
一例を示す図である。
１……ステアリングハンドル、３……前輪、４
……ハンドル角センサ、５……車速センサ、６…
…コントロールユニツト、７……電動モータ、８
……後輪、９……後輪舵角センサ、１０……横Ｇ
センサ。
Fig. 1 is an explanatory diagram of a control system showing an embodiment of the present invention, Fig. 2 is a block diagram showing an example of the control mode of the control unit shown in Fig. 1, and Fig. 3 is a coefficient K for determining the rear wheel target steering angle. 2 is a diagram illustrating an example of setting characteristics for vehicle speed V. FIG. 1...Steering handle, 3...Front wheel, 4
...Handle angle sensor, 5...Vehicle speed sensor, 6...
...Control unit, 7...Electric motor, 8
... Rear wheel, 9 ... Rear wheel steering angle sensor, 10 ... Lateral G
sensor.
Claims (1)
サと車速を検出する車速センサと、該前輪舵角セ
ンサと車速センサが検出した前輪転舵角と車速と
から後輪操舵制御を行うコントロールユニツトと
、後輪操舵用アクチユエータとをもつた４輪操舵
車両において、車体の横方向加速度を検出する横
Ｇセンサを設け、該横Ｇセンサが検出した横方向
加速度がほぼゼロの情報にて後輪転舵角をゼロと
する前輪転舵角のゼロ点を決める前輪中立点補正
ロジツクを上記コントロールユニツトに設けたこ
とを特徴とする４輪操舵車両の後輪操舵装置。 A front wheel steering angle sensor that detects at least a front wheel steering angle, a vehicle speed sensor that detects vehicle speed, and a control unit that performs rear wheel steering control based on the front wheel steering angle and vehicle speed detected by the front wheel steering angle sensor and the vehicle speed sensor, In a four-wheel steering vehicle having a rear wheel steering actuator, a lateral G sensor is provided to detect the lateral acceleration of the vehicle body, and the rear wheel steering angle is determined based on information that the lateral acceleration detected by the lateral G sensor is almost zero. A rear wheel steering system for a four-wheel steered vehicle, characterized in that the control unit is provided with a front wheel neutral point correction logic for determining a zero point of a front wheel turning angle to be zero.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16600688U JPH0285676U (en) | 1988-12-22 | 1988-12-22 | |
| GB8928509A GB2228460B (en) | 1988-12-22 | 1989-12-18 | Rear-wheel steering system for four-wheel steering vehicle |
| US07/451,804 US5018594A (en) | 1988-12-22 | 1989-12-18 | Rear-wheel steering system for four-wheel steering vehicle |
| DE3942494A DE3942494A1 (en) | 1988-12-22 | 1989-12-22 | REAR WHEEL ARRANGEMENT FOR A FOUR-WHEEL STEERING VEHICLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16600688U JPH0285676U (en) | 1988-12-22 | 1988-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285676U true JPH0285676U (en) | 1990-07-05 |
Family
ID=31453007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16600688U Pending JPH0285676U (en) | 1988-12-22 | 1988-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285676U (en) |
-
1988
- 1988-12-22 JP JP16600688U patent/JPH0285676U/ja active Pending