JPS6445514U - - Google Patents
Info
- Publication number
- JPS6445514U JPS6445514U JP750388U JP750388U JPS6445514U JP S6445514 U JPS6445514 U JP S6445514U JP 750388 U JP750388 U JP 750388U JP 750388 U JP750388 U JP 750388U JP S6445514 U JPS6445514 U JP S6445514U
- Authority
- JP
- Japan
- Prior art keywords
- steering angle
- detection means
- discharge
- supply
- detecting
- 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
- 230000001133 acceleration Effects 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 1
Description
第1図は本考案の基本的構成を例示するブロツ
ク図、第2図は本考案の一実施例としての電子制
御サスペンシヨン装置の概略構成図、第3図は本
実施例の空気回路図、第4図は本実施例の電気系
統の構成を示すブロツク図、第5図ないし第8図
は本実施例の制御回路において行なわれる制御ル
ーチンの一例を示すフローチヤート、第9図は操
舵角、横方向加速度、制御信号、車高と時間との
関係を示すグラフ、第10図は加速度をパラメー
タとして操舵角差と車速との関係を示すグラフ、
第11図は推定横方向加速度と車高補正量との関
係を示すグラフ、第12図は放出変化圧力と車高
補正量との関係を示すグラフ、第13図は吸入変
化圧力と車高補正量との関係を示すグラフ、第1
4図は降圧時間と高圧リサーブタンク圧力/主気
体室内圧力との関係を示すグラフ、第15図は昇
圧時間と主気体室内圧力/低圧リザーブタンク圧
力との関係を示すグラフ、第16図は横方向加速
度と目標変位量との関係を示すグラフ、第17図
は駆動デユーテイ比と補正量との関係を示すグラ
フ、第18図は他の実施例としての空気回路図で
ある。
2FL,2FR,2RL,2RR……気体ばね
、28,28a,32,32a……高圧リザーブ
タンク、34,36,50,52,54,56,
70,72……圧力センサ、62,62a,68
,68a……低圧リザーブタンク、100……電
子制御回路。
FIG. 1 is a block diagram illustrating the basic configuration of the present invention, FIG. 2 is a schematic configuration diagram of an electronically controlled suspension device as an embodiment of the present invention, and FIG. 3 is a pneumatic circuit diagram of this embodiment. FIG. 4 is a block diagram showing the configuration of the electrical system of this embodiment, FIGS. 5 to 8 are flowcharts showing an example of a control routine performed in the control circuit of this embodiment, and FIG. 9 is a steering angle, A graph showing the relationship between lateral acceleration, control signal, vehicle height, and time; FIG. 10 is a graph showing the relationship between steering angle difference and vehicle speed using acceleration as a parameter;
Figure 11 is a graph showing the relationship between estimated lateral acceleration and vehicle height correction amount, Figure 12 is a graph showing the relationship between discharge change pressure and vehicle height correction amount, and Figure 13 is suction change pressure and vehicle height correction amount. Graph showing the relationship with quantity, 1st
Figure 4 is a graph showing the relationship between pressure reduction time and high pressure reserve tank pressure/main gas indoor pressure, Figure 15 is a graph showing the relationship between pressure increase time and main gas indoor pressure/low pressure reserve tank pressure, and Figure 16 is a graph showing the relationship between pressure increase time and main gas indoor pressure/low pressure reserve tank pressure. FIG. 17 is a graph showing the relationship between the lateral acceleration and the target displacement amount, FIG. 17 is a graph showing the relationship between the drive duty ratio and the correction amount, and FIG. 18 is an air circuit diagram as another embodiment. 2FL, 2FR, 2RL, 2RR... Gas spring, 28, 28a, 32, 32a... High pressure reserve tank, 34, 36, 50, 52, 54, 56,
70, 72...pressure sensor, 62, 62a, 68
, 68a...Low pressure reserve tank, 100...Electronic control circuit.
Claims (1)
ンの気体ばねとリザーブタンクとを気体給排手段
により連通・遮断して気体ばね内の気体を給排し
、車両のロールを防止する電子制御サスペンシヨ
ン装置において、 操舵輪の操舵角を検出する操舵角検出手段と、 車両の走行速度を検出する車速検出手段と、 前記操舵角検出手段により所定時間内に検出さ
れる操舵角の最大値と最小値との角差を検出する
操舵角差検出手段と、 該操舵角差検出手段により検出された角差と前
記車速検出手段により検出された走行速度とに基
づいて、予め定められた推定横方向加速度を求め
る推定加速度算出手段と、 該推定加速度算出手段により検出された推定横
方向加速度に応じて予め定められた前記気体給排
手段の制御量を求め、旋回時に、該制御量に応じ
て前記気体給排手段を制御する給排制御手段と、 を備えたことを特徴とする電子制御サスペンシ
ヨン装置。[Scope of Claim for Utility Model Registration] A gas spring of a suspension provided corresponding to a wheel of a vehicle and a reserve tank are communicated with each other by means of a gas supply/discharge means to supply and discharge gas in the gas spring, An electronically controlled suspension device that prevents roll, comprising: steering angle detection means for detecting a steering angle of a steered wheel; vehicle speed detection means for detecting a running speed of a vehicle; a steering angle difference detection means for detecting the angular difference between the maximum value and the minimum value of the steering angle; and based on the angular difference detected by the steering angle difference detection means and the traveling speed detected by the vehicle speed detection means, an estimated acceleration calculation means for calculating a predetermined estimated lateral acceleration; and a predetermined control amount of the gas supply/exhaust means according to the estimated lateral acceleration detected by the estimated acceleration calculation means; An electronically controlled suspension device comprising: supply/discharge control means for controlling the gas supply/discharge means according to the control amount.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988007503U JPH0721369Y2 (en) | 1987-05-15 | 1988-01-22 | Electronically controlled suspension device |
US07/192,297 US4869528A (en) | 1987-05-12 | 1988-05-10 | Electronically controlled fluid suspension system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7345387 | 1987-05-15 | ||
JP62-73453 | 1987-05-15 | ||
JP1988007503U JPH0721369Y2 (en) | 1987-05-15 | 1988-01-22 | Electronically controlled suspension device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6445514U true JPS6445514U (en) | 1989-03-20 |
JPH0721369Y2 JPH0721369Y2 (en) | 1995-05-17 |
Family
ID=31717135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988007503U Expired - Lifetime JPH0721369Y2 (en) | 1987-05-12 | 1988-01-22 | Electronically controlled suspension device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0721369Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115214281A (en) * | 2021-11-12 | 2022-10-21 | 广州汽车集团股份有限公司 | Vehicle suspension adjusting method and device and storage medium |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152510U (en) * | 1984-03-22 | 1985-10-11 | 三菱自動車工業株式会社 | Electronically controlled suspension device |
JPS60252010A (en) * | 1984-05-28 | 1985-12-12 | Daihatsu Motor Co Ltd | Posture controller for car |
JPS6296120A (en) * | 1985-10-22 | 1987-05-02 | Toyota Motor Corp | Ground clearance adjuster type rolling control device for vehicle |
-
1988
- 1988-01-22 JP JP1988007503U patent/JPH0721369Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152510U (en) * | 1984-03-22 | 1985-10-11 | 三菱自動車工業株式会社 | Electronically controlled suspension device |
JPS60252010A (en) * | 1984-05-28 | 1985-12-12 | Daihatsu Motor Co Ltd | Posture controller for car |
JPS6296120A (en) * | 1985-10-22 | 1987-05-02 | Toyota Motor Corp | Ground clearance adjuster type rolling control device for vehicle |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115214281A (en) * | 2021-11-12 | 2022-10-21 | 广州汽车集团股份有限公司 | Vehicle suspension adjusting method and device and storage medium |
CN115214281B (en) * | 2021-11-12 | 2023-12-15 | 广州汽车集团股份有限公司 | Vehicle suspension adjusting method, device and storage medium |
Also Published As
Publication number | Publication date |
---|---|
JPH0721369Y2 (en) | 1995-05-17 |
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