JPH01108807U - - Google Patents
Info
- Publication number
- JPH01108807U JPH01108807U JP444388U JP444388U JPH01108807U JP H01108807 U JPH01108807 U JP H01108807U JP 444388 U JP444388 U JP 444388U JP 444388 U JP444388 U JP 444388U JP H01108807 U JPH01108807 U JP H01108807U
- Authority
- JP
- Japan
- Prior art keywords
- suspension
- flow rate
- vehicle
- liquid
- pressure
- 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 description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 4
- 238000013016 damping Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の内容を概念的に例示した基本
的構成図、第２図は本考案一実施例のシステム構
成図、第３図１，２はパツシブなサスペンシヨン
のモデルを示す説明図、第４図は本考案のアクテ
イブ制御を行なうサスペンシヨンのモデルを示す
説明図、第５図は同じくその制御系を示すブロツ
ク図、第６図は同じくその制御を示すフローチヤ
ート、第７図は同じくそのマツプを示すグラフ、
第８図は同じくその周波数―ゲイン線図である。
Ｍ１……サスペンシヨン、Ｍ２……流量調節手
段、Ｍ３……圧力検出手段、Ｍ４……制御手段、
１……サスペンシヨンのアクテイブ制御装置、４
……ハイドロニユーマチツク・サスペンシヨン、
５……油圧回路、６……電子制御装置（ＥＣＵ）
、６ａ……ＣＰＵ、２２……圧力センサ、３５…
…電気油圧サーボバルブ。
Fig. 1 is a basic configuration diagram conceptually illustrating the contents of the present invention, Fig. 2 is a system configuration diagram of an embodiment of the invention, and Fig. 3 is an explanatory diagram showing a passive suspension model. , FIG. 4 is an explanatory diagram showing a suspension model that performs active control according to the present invention, FIG. 5 is a block diagram showing the control system, FIG. 6 is a flowchart showing the control, and FIG. A graph showing the same map,
FIG. 8 is the same frequency-gain diagram. M1... Suspension, M2... Flow rate adjustment means, M3... Pressure detection means, M4... Control means,
1... Suspension active control device, 4
...Hydroneumatic suspension,
5...Hydraulic circuit, 6...Electronic control unit (ECU)
, 6a... CPU, 22... Pressure sensor, 35...
…Electro-hydraulic servo valve.
Claims (1)
ね下から上記ばね上に作用する力を、外部から供
給される所定量の液体により伝達し、内部に封入
された気体ばねを作用させるサスペンシヨンと、 該サスペンシヨンに供給する液体の量を、外部
から伝達される流量指令に従つて調節する流量調
節手段と、 上記サスペンシヨンの力を伝達する液体の圧力
を検出する圧力検出手段と、 少なくとも、上記車両のばね上に仮想的に付加
した減衰力発生部の仮想減衰係数に応じて定まる
パラメータおよび上記サスペンシヨンの減衰係数
により記述される伝達関数と、上記圧力検出手段
の検出した液体の圧力と、に基づいて決定した流
量指令を、上記流量調節手段に出力する制御手段
と、 を備えたことを特徴とするサスペンシヨンのアク
テイブ制御装置。[Claims for Utility Model Registration] Interposed between the sprung mass and the unsprung mass of a vehicle, the force acting from the unsprung mass on the sprung mass is transmitted by a predetermined amount of liquid supplied from the outside, and the internal a suspension that acts on a gas spring sealed in the suspension; a flow rate adjustment means that adjusts the amount of liquid supplied to the suspension in accordance with a flow rate command transmitted from the outside; and a liquid that transmits the force of the suspension. pressure detection means for detecting the pressure of the vehicle; and at least a transfer function described by a parameter determined according to a virtual damping coefficient of a damping force generating section virtually applied to a spring of the vehicle and a damping coefficient of the suspension. , a control means for outputting a flow rate command determined based on the liquid pressure detected by the pressure detection means to the flow rate adjustment means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP444388U JPH01108807U (en) | 1988-01-18 | 1988-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP444388U JPH01108807U (en) | 1988-01-18 | 1988-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108807U true JPH01108807U (en) | 1989-07-24 |
Family
ID=31206961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP444388U Pending JPH01108807U (en) | 1988-01-18 | 1988-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108807U (en) |
-
1988
- 1988-01-18 JP JP444388U patent/JPH01108807U/ja active Pending
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