JPH03120206U - - Google Patents
Info
- Publication number
- JPH03120206U JPH03120206U JP2892890U JP2892890U JPH03120206U JP H03120206 U JPH03120206 U JP H03120206U JP 2892890 U JP2892890 U JP 2892890U JP 2892890 U JP2892890 U JP 2892890U JP H03120206 U JPH03120206 U JP H03120206U
- Authority
- JP
- Japan
- Prior art keywords
- stroke value
- hydraulic cylinder
- detecting
- control valve
- load
- 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
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Vehicle Body Suspensions (AREA)
Description
第１図は本考案の構成図、第２図は本考案の第
１の実施例の要部の構成図、第３図は全体的な概
略構成図、第４図は制御回路のブロツク図、第５
図は同じく制御動作のフローチヤートである。
１０……車体、１１……車輪、１３……油圧シ
リンダ、１４……油圧源ユニツト、１５……流量
制御弁、１８……コントロールユニツト、２０…
…圧力センサ、２１……ストロークセンサ、２２
……モード切換スイツチ。
Fig. 1 is a block diagram of the present invention, Fig. 2 is a block diagram of the main parts of the first embodiment of the present invention, Fig. 3 is an overall schematic block diagram, and Fig. 4 is a block diagram of the control circuit. Fifth
The figure is also a flowchart of the control operation. DESCRIPTION OF SYMBOLS 10...Vehicle body, 11...Wheel, 13...Hydraulic cylinder, 14...Hydraulic power source unit, 15...Flow control valve, 18...Control unit, 20...
...Pressure sensor, 21 ... Stroke sensor, 22
...Mode change switch.
Claims (1)
油圧シリンダに油圧源からの作動油の給排を制御
する流量制御弁と、油圧シリンダの作用荷重を検
出する手段と、この検出荷重と基準荷重との比較
から求めた荷重変動分に応じて目標ストローク値
を演算する手段と、目標ストローク値に対応して
流量制御弁の制御信号を検出する手段と、油圧シ
リンダのストローク量を検出する手段と、検出し
たストローク量が目標ストローク値と一致するよ
うに前記流量制御弁の制御信号を補正する手段と
を備えた車両用サスペンシヨンシステムにおいて
、走行モードとテストモードとの切換えを行うモ
ード切換スイツチと、周期的に変動するテスト用
の目標ストローク値を演算する手段とを備え、テ
ストモードへの切換時には前記目標ストローク値
に代えてテスト用目標ストローク値を出力するよ
うにしたことを特徴とする車両用サスペンシヨン
システム。 a hydraulic cylinder that supports the wheels relative to the vehicle body;
A flow rate control valve that controls the supply and discharge of hydraulic oil from a hydraulic source to a hydraulic cylinder, a means for detecting the acting load of the hydraulic cylinder, and a target according to the load fluctuation obtained by comparing the detected load with a reference load. means for calculating a stroke value; means for detecting a control signal for a flow rate control valve corresponding to a target stroke value; and means for detecting a stroke amount of a hydraulic cylinder; and means for correcting the control signal of the flow control valve, a mode changeover switch for switching between a driving mode and a test mode, and a periodically varying target stroke value for testing. 1. A suspension system for a vehicle, comprising: means for calculating, and outputting a test target stroke value instead of the target stroke value when switching to a test mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2892890U JPH03120206U (en) | 1990-03-20 | 1990-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2892890U JPH03120206U (en) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03120206U true JPH03120206U (en) | 1991-12-10 |
Family
ID=31531712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2892890U Pending JPH03120206U (en) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03120206U (en) |
-
1990
- 1990-03-20 JP JP2892890U patent/JPH03120206U/ja active Pending
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