JPS6449406U - - Google Patents
Info
- Publication number
- JPS6449406U JPS6449406U JP14551087U JP14551087U JPS6449406U JP S6449406 U JPS6449406 U JP S6449406U JP 14551087 U JP14551087 U JP 14551087U JP 14551087 U JP14551087 U JP 14551087U JP S6449406 U JPS6449406 U JP S6449406U
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- suspension
- unsprung
- adjustment means
- rate adjustment
- 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 9
- 230000001133 acceleration Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案一実施例の概略構成図、第２図
は同じくそのフイードバツク制御を実行しない場
合のハイドロニユーマチツクサスペンシヨンの制
御系の構成を示すブロツク線図、第３図、第４図
、第５図は同じくそのフイードバツク制御を実行
した場合のハイドロニユーマチツクサスペンシヨ
ンの制御系の構成を示すブロツク線図、第６図は
同じくその電気油圧サーボバルブの制御系の構成
を示すブロツク線図、第７図は同じくそのハイド
ロニユーマチツクサスペンシヨンと電気油圧サー
ボバルブとを組み合わせた制御系の構成を示すブ
ロツク線図、第８図、第９図は同じくその周波数
―ゲイン線図である。
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、７…ばね下加速度
センサ、２１…電気油圧サーボバルブ、２５…フ
イルタ回路、２６…サーボアンプ回路。
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention, FIG. 2 is a block diagram showing the configuration of the control system of the hydroneumatic suspension when the feedback control is not executed, and FIGS. Figure 5 is a block diagram showing the configuration of the control system of the hydroneumatic suspension when the feedback control is executed, and Figure 6 is a block diagram showing the configuration of the control system of the electrohydraulic servo valve. Figure 7 is a block diagram showing the configuration of a control system that combines the hydroneumatic suspension and electro-hydraulic servo valve, and Figures 8 and 9 are frequency-gain diagrams. be. 1...Suspension active control device, 4
...Hydroneumatic Suspension, 5...
Hydraulic circuit, 6... Electronic control device, 7... Unsprung acceleration sensor, 21... Electro-hydraulic servo valve, 25... Filter circuit, 26... Servo amplifier circuit.
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される液体の量を、外
部から伝達される流量指令信号に従つて調節する
流量調節手段と、 上記車両のばね下加速度を検出し、ばね下加速
度信号を出力するばね下加速度検出手段と、 該ばね下加速度検出手段の出力したばね下加速
度信号を、上記車両のばね下共振周波数と同一の
共振周波数および所定値以上の減衰比を有する２
次遅れ系の伝達関数により遅れ補正すると共に、
上記流量調節手段の動特性に応じて定められたパ
ラメータを有する高次の伝達関数の逆関数により
進み補正して流量指令信号を決定し、上記流量調
節手段に出力する遅れ進み補正手段と、 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 operates 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 signal transmitted from the outside; and an unsprung acceleration of the vehicle. unsprung acceleration detection means for detecting and outputting an unsprung acceleration signal; 2 with ratio
In addition to correcting the delay using the transfer function of the next-order lag system,
a lag/lead correction means for determining a flow rate command signal by performing advance correction using an inverse function of a high-order transfer function having parameters determined according to the dynamic characteristics of the flow rate adjustment means, and outputting the signal to the flow rate adjustment means; An active suspension control device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14551087U JPS6449406U (en) | 1987-09-24 | 1987-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14551087U JPS6449406U (en) | 1987-09-24 | 1987-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6449406U true JPS6449406U (en) | 1989-03-27 |
Family
ID=31414165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14551087U Pending JPS6449406U (en) | 1987-09-24 | 1987-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6449406U (en) |
-
1987
- 1987-09-24 JP JP14551087U patent/JPS6449406U/ja active Pending
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