JPH01179068U - - Google Patents
Info
- Publication number
- JPH01179068U JPH01179068U JP7647588U JP7647588U JPH01179068U JP H01179068 U JPH01179068 U JP H01179068U JP 7647588 U JP7647588 U JP 7647588U JP 7647588 U JP7647588 U JP 7647588U JP H01179068 U JPH01179068 U JP H01179068U
- Authority
- JP
- Japan
- Prior art keywords
- steering
- steering torque
- electric motor
- torque
- filter
- 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
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Description
第１図は本考案の基本構成を示すブロツク図、
第２図は本考案の一実施例の構成を示すブロツク
図、第３図は制御装置の一例を示すブロツク図、
第４図はモータ駆動回路の一例を示すブロツク図
、第５図は演算処理装置の処理手順の一例を示す
フローチヤート、第６図は操舵トルクと操舵補助
トルクとの関係の一例を示すグラフ、第７図は操
舵トルクの波形を示すタイムチヤートであり、同
図ａは操舵トルク検出信号、同図ｂは操舵トルク
検出信号から抽出されたサスペンシヨンの共振成
分に対応する抽出信号、同図ｃは路面の摩擦抵抗
で生ずる操舵系の実操舵トルクである。第８図は
操舵トルクと操舵補助トルクとの関係の一例を示
すグラフである。
１０…操舵系、１５…電動機、１６…車速セン
サ、１７…操舵トルクセンサ（操舵トルク検出手
段）、１８…フイルタ回路、１９…制御装置、２
０…制御回路、２２…マイクロコンピユータ、３
０…モータ駆動回路。
Figure 1 is a block diagram showing the basic configuration of the present invention.
FIG. 2 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 3 is a block diagram showing an example of a control device,
FIG. 4 is a block diagram showing an example of a motor drive circuit, FIG. 5 is a flowchart showing an example of a processing procedure of the arithmetic processing unit, and FIG. 6 is a graph showing an example of the relationship between steering torque and steering assist torque. FIG. 7 is a time chart showing the waveform of the steering torque, in which a is a steering torque detection signal, b is an extraction signal corresponding to the resonance component of the suspension extracted from the steering torque detection signal, and c is a time chart showing the waveform of the steering torque. is the actual steering torque of the steering system generated by the frictional resistance of the road surface. FIG. 8 is a graph showing an example of the relationship between steering torque and steering assist torque. DESCRIPTION OF SYMBOLS 10... Steering system, 15... Electric motor, 16... Vehicle speed sensor, 17... Steering torque sensor (steering torque detection means), 18... Filter circuit, 19... Control device, 2
0...Control circuit, 22...Microcomputer, 3
0...Motor drive circuit.
Claims (1)
手段と、この操舵トルク検出手段の操舵トルク検
出値に応じて前記操舵系に操舵補助トルクを発生
する電動機と、を有する電動式パワーステアリン
グにおいて、 前記操舵トルク検出値のうち特定周波数の操舵
トルク検出値のみを抽出するフイルタと、このフ
イルタで抽出された特定周波数の操舵トルクが消
去される方向及び力で前記電動機を駆動制御する
電動機制御手段と、を備えたことを特徴とする電
動式パワーステアリング。[Scope of Claim for Utility Model Registration] A steering torque detecting means for detecting the steering torque of a steering system, and an electric motor generating a steering assist torque for the steering system according to a detected value of the steering torque of the steering torque detecting means. In the electric power steering, there is provided a filter that extracts only a detected steering torque value at a specific frequency from among the detected steering torque values, and a filter that drives the electric motor in a direction and with a force that eliminates the steering torque at a specific frequency extracted by the filter. An electric power steering system comprising: an electric motor control means for controlling an electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7647588U JPH01179068U (en) | 1988-06-09 | 1988-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7647588U JPH01179068U (en) | 1988-06-09 | 1988-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01179068U true JPH01179068U (en) | 1989-12-21 |
Family
ID=31301500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7647588U Pending JPH01179068U (en) | 1988-06-09 | 1988-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01179068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011245896A (en) * | 2010-05-24 | 2011-12-08 | Mitsubishi Electric Corp | Electric power steering device |
-
1988
- 1988-06-09 JP JP7647588U patent/JPH01179068U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011245896A (en) * | 2010-05-24 | 2011-12-08 | Mitsubishi Electric Corp | Electric power steering device |
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