JPH0416009U - - Google Patents
Info
- Publication number
- JPH0416009U JPH0416009U JP5646990U JP5646990U JPH0416009U JP H0416009 U JPH0416009 U JP H0416009U JP 5646990 U JP5646990 U JP 5646990U JP 5646990 U JP5646990 U JP 5646990U JP H0416009 U JPH0416009 U JP H0416009U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- controller
- oil
- compensation circuit
- region including
- 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.)
- Granted
Links
- 239000000725 suspension Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
Description
第１図はこの考案の一実施例に係るコントロー
ラを構成を示す図、第２図は位相補償回路の周波
数特性図、第３図はシリンダ速度に対する減衰力
の周波数特性図、第４図はゲイン補償回路の周波
数特性図、第５図は制御弁の一実施例を示す部分
断面図、第６図は従来例としてのアクテイブサス
ペンシヨンシステムたる油圧回路を示す構成図で
ある。
符号の説明、Ａ……車軸たるサスペンシヨンア
ーム、Ｂ……車体、Ｃ……油圧シリンダ、Ｃ１…
…油室、Ｌ……油路、Ｐ……油圧源、Ｓ……懸架
ばね、Ｓ１……圧力センサ、Ｓ２……車輛センサ
、Ｔ……オイルタンク、Ｖ……制御弁、１……コ
ントローラ、１４……補償回路。
Fig. 1 is a diagram showing the configuration of a controller according to an embodiment of this invention, Fig. 2 is a frequency characteristic diagram of the phase compensation circuit, Fig. 3 is a frequency characteristic diagram of damping force with respect to cylinder speed, and Fig. 4 is a gain diagram. A frequency characteristic diagram of the compensation circuit, FIG. 5 is a partial sectional view showing one embodiment of the control valve, and FIG. 6 is a configuration diagram showing a hydraulic circuit as a conventional active suspension system. Explanation of symbols: A... Suspension arm serving as an axle, B... Vehicle body, C... Hydraulic cylinder, C1...
...Oil chamber, L...Oil passage, P...Hydraulic pressure source, S...Suspension spring, S1...Pressure sensor, S2...Vehicle sensor, T...Oil tank, V...Control valve, 1...Controller , 14... Compensation circuit.
Claims (1)
配在された油圧シリンダの油室に連通する油路に
配設されて該油路に於る油圧を検出する圧力セン
サと、上記車体に配設されて車輛の状況を検出す
る車輛センサと、からの各検出信号を入力させる
と共に、上記油路に接続されて上記油室の油圧源
あるいはタンクへの選択された連通を可能にする
制御弁に電気信号を入力するように形成されてな
る油圧回路に於るコントローラにおいて、ばね上
共振点を含む低周波数領域で位相を進ませた周波
数特性を持つようにする位相補償回路、あるいは
、ばね上共振点を含む低周波数領域でゲインを高
めた周波数特性を持つようにするゲイン補償回路
、のいずれかを設けてなることを特徴とする油圧
回路に於るコントローラ。 a pressure sensor disposed in an oil passage communicating with an oil chamber of a hydraulic cylinder disposed between an axle of the vehicle and the vehicle body under the intervention of a suspension spring to detect the oil pressure in the oil passage; a vehicle sensor disposed in the vehicle sensor for detecting the vehicle condition; In a controller in a hydraulic circuit formed to input an electric signal to a control valve, a phase compensation circuit is provided that has a frequency characteristic with a phase advanced in a low frequency region including a sprung mass resonance point, or A controller for a hydraulic circuit, characterized in that it is provided with either a gain compensation circuit that has frequency characteristics with increased gain in a low frequency region including a sprung resonance point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056469U JP2599183Y2 (en) | 1990-05-31 | 1990-05-31 | Controller in hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056469U JP2599183Y2 (en) | 1990-05-31 | 1990-05-31 | Controller in hydraulic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0416009U true JPH0416009U (en) | 1992-02-10 |
| JP2599183Y2 JP2599183Y2 (en) | 1999-08-30 |
Family
ID=31580322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990056469U Expired - Lifetime JP2599183Y2 (en) | 1990-05-31 | 1990-05-31 | Controller in hydraulic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2599183Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6364809A (en) * | 1986-09-03 | 1988-03-23 | Mazda Motor Corp | Suspension device for vehicle |
| JPH0295914A (en) * | 1988-09-30 | 1990-04-06 | Nissan Motor Co Ltd | Active suspension |
-
1990
- 1990-05-31 JP JP1990056469U patent/JP2599183Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6364809A (en) * | 1986-09-03 | 1988-03-23 | Mazda Motor Corp | Suspension device for vehicle |
| JPH0295914A (en) * | 1988-09-30 | 1990-04-06 | Nissan Motor Co Ltd | Active suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2599183Y2 (en) | 1999-08-30 |