JPH03118105U - - Google Patents
Info
- Publication number
- JPH03118105U JPH03118105U JP2792190U JP2792190U JPH03118105U JP H03118105 U JPH03118105 U JP H03118105U JP 2792190 U JP2792190 U JP 2792190U JP 2792190 U JP2792190 U JP 2792190U JP H03118105 U JPH03118105 U JP H03118105U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic cylinder
- load
- hydraulic
- calculating
- control valve
- 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
- 239000000725 suspension Substances 0.000 claims 2
- 239000010720 hydraulic oil 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、２５
……補助ばね。
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, 25
...Auxiliary spring.
Claims (1)
前記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
比較から荷重変動分を演算する手段と、油圧シリ
ンダのストローク量を検出する手段と、油圧シリ
ンダのストローク速度から油圧サスペンシヨンの
フリクシヨン補正値を演算する手段と、前記演算
により求めた荷重変動分とこのフリクシヨン補正
値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
号を出力する手段と、前記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 for controlling supply and discharge of hydraulic oil from a hydraulic source to the hydraulic cylinder; means for detecting a load acting on the hydraulic cylinder; and means for calculating a load variation from a comparison between the detected load and a reference load. , a means for detecting the stroke amount of the hydraulic cylinder, a means for calculating a friction correction value of the hydraulic suspension from the stroke speed of the hydraulic cylinder, and a target stroke value according to the load fluctuation obtained by the calculation and the friction correction value. a means for calculating
The present invention further comprises means for outputting a control signal for the flow control valve in accordance with a target stroke value, and means for correcting the control signal for the flow control valve so that the detected stroke amount matches the target stroke value. A unique suspension system for vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2792190U JPH03118105U (en) | 1990-03-19 | 1990-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2792190U JPH03118105U (en) | 1990-03-19 | 1990-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118105U true JPH03118105U (en) | 1991-12-05 |
Family
ID=31530749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2792190U Pending JPH03118105U (en) | 1990-03-19 | 1990-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118105U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5455913A (en) * | 1977-08-26 | 1979-05-04 | Daimler Benz Ag | Active vibration damping method and its device |
| JPS61261116A (en) * | 1985-05-15 | 1986-11-19 | Nippon Denso Co Ltd | Vehicle level control device |
| JPH02246813A (en) * | 1989-03-20 | 1990-10-02 | Hitachi Ltd | Control device of suspension for car |
-
1990
- 1990-03-19 JP JP2792190U patent/JPH03118105U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5455913A (en) * | 1977-08-26 | 1979-05-04 | Daimler Benz Ag | Active vibration damping method and its device |
| JPS61261116A (en) * | 1985-05-15 | 1986-11-19 | Nippon Denso Co Ltd | Vehicle level control device |
| JPH02246813A (en) * | 1989-03-20 | 1990-10-02 | Hitachi Ltd | Control device of suspension for car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03118106U (en) | ||
| JPH03118105U (en) | ||
| JPH03121008U (en) | ||
| JPH03118107U (en) | ||
| JPH03118808U (en) | ||
| JPH03120207U (en) | ||
| JPH03121007U (en) | ||
| JPH03120206U (en) | ||
| JPH03121006U (en) | ||
| JPH0372004U (en) | ||
| JPS61127079U (en) | ||
| JPH039446Y2 (en) | ||
| JPH027167U (en) | ||
| JPH0355309U (en) | ||
| JPS6338026U (en) | ||
| JPH0363402U (en) | ||
| JPH0454710U (en) | ||
| JPS63129605U (en) | ||
| JPH035608U (en) | ||
| JPS62185609U (en) | ||
| JPS61191909U (en) | ||
| JPS6223172U (en) | ||
| JPH027066U (en) | ||
| JPS59147657U (en) | Brake device | |
| JPS5895309U (en) | Automotive air suspension vehicle height adjustment device |