JPH02206U - - Google Patents
Info
- Publication number
- JPH02206U JPH02206U JP7715988U JP7715988U JPH02206U JP H02206 U JPH02206 U JP H02206U JP 7715988 U JP7715988 U JP 7715988U JP 7715988 U JP7715988 U JP 7715988U JP H02206 U JPH02206 U JP H02206U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle height
- braking state
- vehicle
- actuator
- braking
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図はこの考案の基本構成を示すブロツク図
、第２図はこの考案の一実施例を示す構成図、第
３図及び第４図は夫々マイクロコンピユータにお
いて実行される処理手順を示す概略フローチヤー
ト、第５図は記憶テーブルとして格納される車速
に対する目標車高値の変化を示すグラフ、第６図
ａ，ｂは夫々車高制御の一例を示すタイムチヤー
ト、第７図は車高値をパラメータとしたときの車
速に対する空気抵抗の変化を示すグラフ、第８図
は車高値をパラメータとしたときの車速に対する
ダウンフオースの変化を示すグラフ、第９図はダ
ウンフオースの変化に対応する摩擦円を示す図で
ある。
１ａ〜１ｄはサスペンシヨン装置、３ａ〜３ｄ
はアクチユエータとしての空気室、４ａ〜４ｄは
シヨツクアブソーバ、１４ａ〜１４ｄは車高セン
サ、１８はアクチユエータ駆動部、２０は車速セ
ンサ、２１は前後加速度センサ、２２はコントロ
ーラである。
Fig. 1 is a block diagram showing the basic configuration of this invention, Fig. 2 is a block diagram showing an embodiment of this invention, and Figs. 3 and 4 are schematic flowcharts showing processing procedures executed in a microcomputer, respectively. Figure 5 is a graph showing changes in target vehicle height value with respect to vehicle speed stored as a memory table, Figures 6a and b are time charts each showing an example of vehicle height control, and Figure 7 is a graph showing changes in target vehicle height value with respect to vehicle speed stored as a memory table. Figure 8 is a graph showing the change in downforce with respect to vehicle speed when the vehicle height value is used as a parameter. Figure 9 is a graph showing the friction circle corresponding to the change in downforce. be. 1a to 1d are suspension devices, 3a to 3d
1 is an air chamber as an actuator, 4a to 4d are shock absorbers, 14a to 14d are vehicle height sensors, 18 is an actuator drive section, 20 is a vehicle speed sensor, 21 is a longitudinal acceleration sensor, and 22 is a controller.
Claims (1)
囲内で調整可能なアクチユエータと、前記車高値
が車速の増大に伴つて減少するように前記アクチ
ユエータを制御する車高制御手段とを有した車高
制御装置において、 車両の制動状況に応じた情報を検出する制動情
報検出手段と、この制動情報検出手段の検出情報
に基づき車両が予め設定した急制動状態に移行し
たか否かを判断する制動状態判断手段と、この制
動状態判断手段により急制動状態への移行判断が
なされた場合、前記アクチユエータを制御して車
高値を前記制御範囲内の高い値に設定する急制動
時車高制御手段とを備えたことを特徴とする車高
制御装置。[Claims for Utility Model Registration] An actuator that is inserted between wheels and a vehicle body and is capable of adjusting a vehicle height within a predetermined control range, and the actuator is controlled so that the vehicle height decreases as vehicle speed increases. A vehicle height control device comprising: a braking information detecting means for detecting information corresponding to a braking state of the vehicle; braking state determining means for determining whether or not the braking state has shifted; and when the braking state determining means determines that the braking state has shifted to the sudden braking state, the actuator is controlled to set the vehicle height value to a high value within the control range; A vehicle height control device comprising a vehicle height control means during sudden braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7715988U JPH02206U (en) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7715988U JPH02206U (en) | 1988-06-10 | 1988-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02206U true JPH02206U (en) | 1990-01-05 |
Family
ID=31302154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7715988U Pending JPH02206U (en) | 1988-06-10 | 1988-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015006822A (en) * | 2013-06-25 | 2015-01-15 | 日本車輌製造株式会社 | Railway vehicle |
-
1988
- 1988-06-10 JP JP7715988U patent/JPH02206U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015006822A (en) * | 2013-06-25 | 2015-01-15 | 日本車輌製造株式会社 | Railway vehicle |
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