JPH01157079U - - Google Patents
Info
- Publication number
- JPH01157079U JPH01157079U JP5431988U JP5431988U JPH01157079U JP H01157079 U JPH01157079 U JP H01157079U JP 5431988 U JP5431988 U JP 5431988U JP 5431988 U JP5431988 U JP 5431988U JP H01157079 U JPH01157079 U JP H01157079U
- Authority
- JP
- Japan
- Prior art keywords
- steering angle
- vehicle
- steering
- calculating
- wheel
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案の基本概念図、第２〜４図は本
考案の一実施例を示す図であり、第２図はその全
体構成図、第３図はその後輪舵角制御プログラム
のフローチヤート、第４図はその作用を説明する
ためのタイミングチヤートである。
２２ａ……舵角センサ（舵角検出手段）、２２
ｃ……車高調節スイツチ（車高状態検出手段）、
２３……コントロールユニツト（第１〜第４舵角
演算手段）、ＡＣ……後輪転舵機構（舵角操作手
段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 4 are diagrams showing an embodiment of the present invention, Fig. 2 is an overall configuration diagram thereof, and Fig. 3 is a flowchart of a rear wheel steering angle control program. FIG. 4 is a timing chart for explaining its operation. 22a... Rudder angle sensor (rudder angle detection means), 22
c...Vehicle height adjustment switch (vehicle height state detection means),
23... Control unit (first to fourth steering angle calculating means), AC... Rear wheel steering mechanism (steering angle operating means).
Claims (1)
れる操舵輪の操舵角を検出する舵角検出手段と、 (b) 車両の車高状態を検出する車高状態検出手
段と、 (c) 舵角検出手段からの出力信号に比例して第
１舵角演算値を演算する第１舵角演算手段と、 (d) 舵角検出手段からの出力信号の変化速度に
比例して車両のヨー運動を助長する方向の第２舵
角演算値を演算する第２舵角演算手段と、 (e) 前記車高状態検出手段の検出結果が所定の
高車高状態にあるとき、第２の演算手段で演算さ
れた第２舵角演算値を前記車両のヨー運動助長を
抑制する方向へと補正する補正値を演算する第３
舵角演算手段と、 (f) 前記第１および第２舵角演算値を加算して
、前輪または後輪の舵角を制御する舵角制御値を
演算する第４舵角演算手段と、 (g) 第４舵角演算手段の出力信号に応じて前輪
または後輪の舵角を操作する舵角操作手段と、 を備えたことを特徴とする車両の４輪操舵装置。[Scope of Claim for Utility Model Registration] (a) A steering angle detection means for detecting the steering angle of a steered wheel steered by a steering input from a steering wheel; (b) A vehicle for detecting a vehicle height state of the vehicle. (c) first rudder angle calculation means for calculating a first rudder angle calculation value in proportion to the output signal from the rudder angle detection means; and (d) the output signal from the rudder angle detection means. (e) a second steering angle calculation means for calculating a second steering angle calculation value in a direction that promotes the yaw motion of the vehicle in proportion to the change speed; a third steering angle calculating means for calculating a correction value for correcting the second steering angle calculation value calculated by the second calculation means in a direction that suppresses acceleration of the yaw motion of the vehicle;
(f) a fourth steering angle calculation means that adds the first and second steering angle calculation values to calculate a steering angle control value that controls the steering angle of the front wheels or the rear wheels; g) A four-wheel steering system for a vehicle, comprising: a steering angle operating means for controlling the steering angle of a front wheel or a rear wheel according to an output signal of a fourth steering angle calculating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5431988U JPH01157079U (en) | 1988-04-21 | 1988-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5431988U JPH01157079U (en) | 1988-04-21 | 1988-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01157079U true JPH01157079U (en) | 1989-10-30 |
Family
ID=31280256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5431988U Pending JPH01157079U (en) | 1988-04-21 | 1988-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01157079U (en) |
-
1988
- 1988-04-21 JP JP5431988U patent/JPH01157079U/ja active Pending
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