JPH0211707U - - Google Patents
Info
- Publication number
- JPH0211707U JPH0211707U JP8981188U JP8981188U JPH0211707U JP H0211707 U JPH0211707 U JP H0211707U JP 8981188 U JP8981188 U JP 8981188U JP 8981188 U JP8981188 U JP 8981188U JP H0211707 U JPH0211707 U JP H0211707U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- initial state
- value
- target value
- initial
- 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 7
- 239000012530 fluid Substances 0.000 claims 7
- 206010034719 Personality change Diseases 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Description
第1図a,bは各々この考案の実用新案登録請
求の範囲との対応図、第2図はこの考案の第1実
施例を示す概略構成図、第3図は圧力制御弁に対
する励磁電流Iとその出力圧Pとの関係を示すグ
ラフ、第4図は第1実施例におけるコントローラ
のブロツク図、第5図はコントローラにおいて実
行される第1実施例の処理手順を示す概略フロー
チヤート、第6図はコントローラにおいて実行さ
れる第2実施例の処理手順を示す概略フローチヤ
ートである。
図中、10は車体側部材、12は能動型サスペ
ンシヨン、16は車輪側部材、18FL〜18R
Rは前左〜後右油圧シリンダ、20FL〜20R
Rは前左〜後右圧力制御弁、26は横加速度セン
サ、27はFL〜27RRは圧力センサ、28は
イグニツシヨンスイツチ、30はコントローラで
ある。
Figures 1a and b are diagrams corresponding to the claims of the utility model registration of this invention, Figure 2 is a schematic diagram showing the first embodiment of this invention, and Figure 3 is an excitation current I for the pressure control valve. FIG. 4 is a block diagram of the controller in the first embodiment, FIG. 5 is a schematic flowchart showing the processing procedure of the first embodiment executed in the controller, and FIG. The figure is a schematic flowchart showing the processing procedure of the second embodiment executed in the controller. In the figure, 10 is a vehicle body side member, 12 is an active suspension, 16 is a wheel side member, 18FL to 18R.
R is front left to rear right hydraulic cylinder, 20FL to 20R
R is a front left to rear right pressure control valve, 26 is a lateral acceleration sensor, 27 is FL to 27RR are pressure sensors, 28 is an ignition switch, and 30 is a controller.
Claims (1)
と、この流体圧シリンダの作動圧を変更可能な指
令値に応じて制御する圧力制御弁と、前記指令値
を車体の姿勢変化に応じて変更制御する姿勢変化
制御手段とを備えた能動型サスペンシヨンにおい
て、 前記流体圧シリンダの作動圧を検出する圧力検
出手段と、当該サスペンシヨンの初期状態を決定
する初期状態決定手段と、この初期状態決定手段
により初期状態が決定されたときの前記圧力検出
手段の検出値を圧力目標値として設定する圧力目
標値設定手段と、前記初期状態決定手段により初
期状態が決定された後、所定時間の間は、前記流
体圧シリンダの作動圧が前記圧力目標値設定手段
により設定された圧力目標値に等しくなるように
前記指令値を優先制御する作動圧優先制御手段と
を備えたことを特徴とする能動型サスペンシヨン
。 (2) 車体・車輪間に装備された流体圧シリンダ
と、この流体圧シリンダの作動圧を変更可能な指
令値に応じて制御する圧力制御弁とを備えととも
に、 前記流体圧シリンダの作動圧を検出する圧力検
出手段と、当該サスペンシヨンの初期状態を決定
する初期状態決定手段と、この初期状態決定手段
により初期状態が決定されたときの前記圧力検出
手段の検出値を初期圧力値として設定する初期圧
力値設定手段と、この初期圧力値設定手段による
初期圧力値から前記流体圧シリンダの作動中立圧
まで徐々に変化させた圧力目標値を設定する圧力
目標値調整手段と、この圧力目標値調整手段によ
つて設定される圧力目標値及び車体の姿勢変化に
応じて前記指令値を変更制御する姿勢変化制御手
段とを備えたことを特徴とする能動型サスペンシ
ヨン。[Claims for Utility Model Registration] (1) A fluid pressure cylinder installed between the vehicle body and the wheels, a pressure control valve that controls the operating pressure of the fluid pressure cylinder according to a changeable command value, and the command value. In an active type suspension, the active suspension includes a posture change control means for changing and controlling the vehicle body according to a change in the posture of the vehicle, a pressure detection means for detecting the operating pressure of the fluid pressure cylinder, and an initial state for determining the initial state of the suspension. a state determining means; a pressure target value setting means for setting a detected value of the pressure detecting means when the initial state is determined by the initial state determining means as a pressure target value; and an initial state determined by the initial state determining means. operating pressure priority control means for controlling the command value with priority so that the operating pressure of the fluid pressure cylinder becomes equal to the pressure target value set by the pressure target value setting means for a predetermined period of time after the command value is set by the pressure target value setting means; Active type suspension. (2) A fluid pressure cylinder installed between the vehicle body and the wheels, and a pressure control valve that controls the operating pressure of the fluid pressure cylinder according to a changeable command value, and A pressure detecting means for detecting a pressure, an initial state determining means for determining an initial state of the suspension, and a detected value of the pressure detecting means when the initial state is determined by the initial state determining means is set as an initial pressure value. an initial pressure value setting means; a pressure target value adjustment means for setting a pressure target value that is gradually changed from the initial pressure value set by the initial pressure value setting means to an operating neutral pressure of the fluid pressure cylinder; and a pressure target value adjustment means. 1. An active suspension comprising: attitude change control means for changing and controlling the command value according to a pressure target value set by the means and a change in the attitude of the vehicle body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988089811U JPH0646724Y2 (en) | 1988-07-06 | 1988-07-06 | Active suspension |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988089811U JPH0646724Y2 (en) | 1988-07-06 | 1988-07-06 | Active suspension |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0211707U true JPH0211707U (en) | 1990-01-25 |
JPH0646724Y2 JPH0646724Y2 (en) | 1994-11-30 |
Family
ID=31314347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988089811U Expired - Lifetime JPH0646724Y2 (en) | 1988-07-06 | 1988-07-06 | Active suspension |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0646724Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02155818A (en) * | 1988-12-05 | 1990-06-14 | Toyota Motor Corp | Car height adjusting device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS634706U (en) * | 1986-06-27 | 1988-01-13 |
-
1988
- 1988-07-06 JP JP1988089811U patent/JPH0646724Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS634706U (en) * | 1986-06-27 | 1988-01-13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02155818A (en) * | 1988-12-05 | 1990-06-14 | Toyota Motor Corp | Car height adjusting device |
Also Published As
Publication number | Publication date |
---|---|
JPH0646724Y2 (en) | 1994-11-30 |
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