JPH047210U - - Google Patents
Info
- Publication number
- JPH047210U JPH047210U JP4802990U JP4802990U JPH047210U JP H047210 U JPH047210 U JP H047210U JP 4802990 U JP4802990 U JP 4802990U JP 4802990 U JP4802990 U JP 4802990U JP H047210 U JPH047210 U JP H047210U
- Authority
- JP
- Japan
- Prior art keywords
- damping force
- detection means
- expansion
- shock absorber
- changing
- 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
- 238000013016 damping Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の減衰旅制御装置を示すクレー
ム対応図、第２図は本考案の減衰力制御装置の実
施例を示す全体図、第３図は実施例コントローラ
の異常発生信号出力制御の作動流れを示すフロー
チヤート、第４図は本考案実施例の減衰力特性図
、第５図は本考案実施例のセンサ出力電圧の温度
ドリフト特性図、第６図は本考案実施例の緩衝器
のサイドフオースに対するフリクシヨン特性図で
ある。
ａ……緩衝器、ｂ……減衰力変更手段、ｃ……
入力手段、ｄ……減衰力制御部、ｅ……制御手段
、ｆ……減衰力検出手段、ｇ……伸縮速度検出手
段、ｈ……変更ポジシヨン検出部、ｊ……減衰力
推定部、ｋ……フエイルセーフ制御部。
Fig. 1 is a complaint correspondence diagram showing the damping travel control device of the present invention, Fig. 2 is an overall view showing an embodiment of the damping force control device of the present invention, and Fig. 3 is a diagram showing the abnormality occurrence signal output control of the embodiment controller. A flowchart showing the operation flow, Fig. 4 is a damping force characteristic diagram of the embodiment of the present invention, Fig. 5 is a temperature drift characteristic diagram of the sensor output voltage of the embodiment of the present invention, and Fig. 6 is a shock absorber of the embodiment of the present invention. FIG. 3 is a friction characteristic diagram for the side force of FIG. a...buffer, b...damping force changing means, c...
Input means, d... Damping force control section, e... Control means, f... Damping force detection means, g... Expansion/contraction speed detection means, h... Change position detection section, j... Damping force estimation section, k ...Fail safe control section.
Claims (1)
段と、 車両及び緩衝器の状態を検出する入力手段と、 該入力手段からの入力信号に基づき減衰力変更
手段に減衰力特性を変更する制御信号を出力する
減衰力制御部を有する制御手段と、 を備えた減衰力制御装置において、 前記入力手段に、緩衝器において実際に生じて
いる減衰力を検出する減衰力検出手段と、緩衝器
の伸縮速度を検出する伸縮速度検出手段と、減衰
力変更手段の変更ポジシヨンを検出する変更ポジ
シヨン検出手段とを設け、 前記制御手段に、伸縮速度検出手段により検出
された伸縮速度と変更ポジシヨン検出手段により
検出された変更ポジシヨンとから理論上の発生減
衰力を求める減衰力推定部と、該減衰力推定部に
より求められた理論減衰力値と前記減衰力検出手
段により検出された実際減衰力値とを比較し、そ
の値の差が所定の範囲を越えている時は異常を知
らせる異常発生信号を出力するフエイルセーフ制
御部とを設けた、 ことを特徴とする減衰力制御装置。[Claims for Utility Model Registration] Damping force changing means capable of changing damping force characteristics of a shock absorber; Input means for detecting the states of the vehicle and the shock absorber; Damping force changing means based on an input signal from the input means. A damping force control device comprising: a control means having a damping force control section that outputs a control signal for changing a damping force characteristic; force detection means, expansion and contraction speed detection means that detects the expansion and contraction speed of the shock absorber, and change position detection means that detects a change position of the damping force change means, and the control means has a force detection means that detects the expansion and contraction speed of the shock absorber. a damping force estimator that calculates a theoretically generated damping force from the expansion/contraction speed and the changed position detected by the changed position detection means; and a theoretical damping force value calculated by the damping force estimator and detected by the damping force detection means. and a fail-safe control unit that compares the actual damping force value obtained and outputs an abnormality occurrence signal to notify an abnormality when the difference between the values exceeds a predetermined range. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4802990U JPH047210U (en) | 1990-05-07 | 1990-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4802990U JPH047210U (en) | 1990-05-07 | 1990-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH047210U true JPH047210U (en) | 1992-01-23 |
Family
ID=31564486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4802990U Pending JPH047210U (en) | 1990-05-07 | 1990-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH047210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013112313A (en) * | 2011-11-30 | 2013-06-10 | Hitachi Automotive Systems Ltd | Damping force adjusting type cylinder device |
-
1990
- 1990-05-07 JP JP4802990U patent/JPH047210U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013112313A (en) * | 2011-11-30 | 2013-06-10 | Hitachi Automotive Systems Ltd | Damping force adjusting type cylinder device |
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