JPS6211U - - Google Patents
Info
- Publication number
- JPS6211U JPS6211U JP9213185U JP9213185U JPS6211U JP S6211 U JPS6211 U JP S6211U JP 9213185 U JP9213185 U JP 9213185U JP 9213185 U JP9213185 U JP 9213185U JP S6211 U JPS6211 U JP S6211U
- Authority
- JP
- Japan
- Prior art keywords
- damping force
- shock absorber
- force
- variable damping
- control signal
- 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 12
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 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ブロツク図
、第３図はこの考案の概略構成を示す構成図、第
４図はこの考案に適用し得る減衰力可変シヨツク
アブソーバの一例を示す断面図、第５図はその電
磁ソレノイドの特性を示すグラフ、第６図は同じ
く減衰力特性を示す特性曲線図、第７図は同じく
相対変位とその変化量との和に対するストローク
の関係を示すグラフ、第８図は変位量検出手段の
一例を示すブロツク図、第９図はその相対変位に
対する出力電圧の関係を示すグラフ、第１０図は
制御装置の処理手順の一例を示すフローチヤート
、第１１図はこの考案の動作の説明に供する信号
波形図、第１２図は変位量検出手段の他の実施例
を示す断面図、第１３図はその車体伝達力に対す
る出力電圧の関係を示すグラフ、第１４図は路面
凹凸を乗り越えたときの出力電圧波形を示すグラ
フである。
１……車速検出器、２ａ〜２ｄ……変位量検出
手段、３……制御装置、４ａ〜４ｄ……電磁ソレ
ノイド、５ａ〜５ｄ……車輪、６ａ〜６ｄ……減
衰力可変シヨツクアブソーバ、７……シリンダチ
ユーブ、８……ピストンロツド、１１，１３……
流体通路、１４……透孔、１５……スプール、１
７……プランジヤ、２１……変位量検出コイル、
２２……ＬＣ発振器、２３……周波数―電圧変換
回路、３０……マイクロコンピユータ、３１……
マルチプレクサ、３２……Ａ／Ｄ変換器、３３ａ
〜３３ｄ……出力回路、３４ａ〜３４ｄ……駆動
トランジスタ、４２……圧電素子。
Fig. 1 is a block diagram showing the basic structure of this invention, Fig. 2 is a block diagram showing an embodiment of this invention, Fig. 3 is a block diagram showing the general structure of this invention, and Fig. 4 is a block diagram showing the basic structure of this invention. A sectional view showing an example of an applicable variable damping force shock absorber, Fig. 5 is a graph showing the characteristics of the electromagnetic solenoid, Fig. 6 is a characteristic curve showing the damping force characteristics, and Fig. 7 is a graph showing the relative displacement and A graph showing the relationship between the stroke and the sum of the amount of change, FIG. 8 is a block diagram showing an example of the displacement amount detection means, FIG. 9 is a graph showing the relationship between the output voltage and the relative displacement, and FIG. 10 is the control A flowchart showing an example of the processing procedure of the device, FIG. 11 is a signal waveform diagram for explaining the operation of this invention, FIG. 12 is a cross-sectional view showing another embodiment of the displacement amount detection means, and FIG. 13 is its diagram. FIG. 14 is a graph showing the relationship between the output voltage and the vehicle body transmission force, and FIG. 14 is a graph showing the output voltage waveform when riding over uneven road surfaces. DESCRIPTION OF SYMBOLS 1... Vehicle speed detector, 2a-2d... Displacement detection means, 3... Control device, 4a-4d... Electromagnetic solenoids, 5a-5d... Wheels, 6a-6d... Variable damping force shock absorber, 7 ...Cylinder tube, 8...Piston rod, 11, 13...
Fluid passage, 14...Through hole, 15...Spool, 1
7... Plunger, 21... Displacement detection coil,
22...LC oscillator, 23...Frequency-voltage conversion circuit, 30...Microcomputer, 31...
Multiplexer, 32...A/D converter, 33a
~33d...Output circuit, 34a-34d...Drive transistor, 42...Piezoelectric element.
Claims (1)
さを連続して変更可能な減衰力可変シヨツクアブ
ソーバと、この減衰力可変シヨツクアブソーバに
より連結された車両のバネ上及びバネ下間の相対
変位量又は車体への伝達力に応じた検出信号を出
力する変位量又は伝達力の検出手段と、この検出
手段で検出した相対変位量又は伝達力とそれらの
時間変化率とに基づいて相対変位又は伝達力の作
用方向が加振方向であるか制振方向であるかを判
定する方向判定手段と、この方向判定手段の判定
結果と前記検出手段からの検出信号とに基づき、
加振時は前記減衰力可変シヨツクアブソーバの減
衰力を最小とするよう前記制御信号を出力し、且
つ、制振時は相対変位量又は伝達力とその時間変
化率との和に応じた値の前記制御信号を出力して
前記減衰力可変シヨツクアブソーバの減衰力を制
御する制御手段と、を備えたことを特徴とするシ
ヨツクアブソーバ制御装置。 A variable damping force shock absorber that can continuously change the magnitude of damping force according to the value of an input control signal, and relative displacement between the sprung and unsprung portions of the vehicle connected by this variable damping force shock absorber. a displacement amount or transmission force detection means that outputs a detection signal according to the amount of displacement or transmission force to the vehicle body; a direction determining means for determining whether the acting direction of the transmission force is the vibration excitation direction or the damping direction; and based on the determination result of the direction determining means and the detection signal from the detecting means,
During vibration excitation, the control signal is outputted to minimize the damping force of the variable damping force shock absorber, and during vibration damping, a value corresponding to the sum of the relative displacement amount or transmission force and its rate of change over time is output. A shock absorber control device comprising: control means for outputting the control signal to control the damping force of the variable damping force shock absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9213185U JPS6211U (en) | 1985-06-18 | 1985-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9213185U JPS6211U (en) | 1985-06-18 | 1985-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6211U true JPS6211U (en) | 1987-01-06 |
Family
ID=30648649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9213185U Pending JPS6211U (en) | 1985-06-18 | 1985-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS634808U (en) * | 1986-06-30 | 1988-01-13 | ||
| JPH02171309A (en) * | 1988-12-24 | 1990-07-03 | Aisin Seiki Co Ltd | Shock absorber device |
-
1985
- 1985-06-18 JP JP9213185U patent/JPS6211U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS634808U (en) * | 1986-06-30 | 1988-01-13 | ||
| JPH02171309A (en) * | 1988-12-24 | 1990-07-03 | Aisin Seiki Co Ltd | Shock absorber device |
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