JPS6421835U

JPS6421835U -

Info

Publication number: JPS6421835U
Application number: JP17749686U
Authority: JP
Priority date: 1986-11-20
Filing date: 1986-11-20
Publication date: 1989-02-03

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例による振動制御装
置を備えた宇宙構造物の概要を示す正面説明図、
第２図は振動制御装置を構成する高次振動モード
用振動制御ユニツトの構造を示す概略説明図、第
３図は同振動制御装置を構成する低次振動モード
用振動制御ユニツトの構造を示す概略説明図、第
４図は振動制御装置を備えた地上構造物の一例を
示す正面説明図、第５図は地上構造物の振動制御
装置を示す概略説明図、第６図ａは宇宙構造物に
振動制御装置を設置しない場合、第６図ｂは低次
振動モード用振動制御装置を設置した場合、第６
図ｃは低次＋高次振動モード用振動制御装置を設
置した場合におけるそれぞれの振動抑制の効果を
模擬実験により測定した結果の一例を示すグラフ
である。１……宇宙構造物、１０……高次振動モード用
振動制御ユニツト、３０……低次振動モード用振
動制御ユニツト、１２，３２……振動センサ、１
５，３５……アクチユエータ、１７，３７……質
量付加体、２０，４０……支持ばね、２１，４１
……制御器。 FIG. 1 is an explanatory front view showing an outline of a space structure equipped with a vibration control device according to an embodiment of the invention;
Fig. 2 is a schematic explanatory diagram showing the structure of a vibration control unit for high-order vibration modes that constitutes the vibration control device, and Fig. 3 is a schematic diagram showing the structure of a vibration control unit for low-order vibration modes that constitutes the same vibration control device. 4 is a front explanatory diagram showing an example of a ground structure equipped with a vibration control device, FIG. 5 is a schematic explanatory diagram showing a vibration control device for a ground structure, and FIG. 6a is a space structure When no vibration control device is installed, Fig. 6b shows that when a vibration control device for low-order vibration mode is installed
FIG. c is a graph showing an example of the results of a simulation experiment measuring the effect of vibration suppression in the case where a vibration control device for low-order + high-order vibration modes is installed. DESCRIPTION OF SYMBOLS 1... Space structure, 10... Vibration control unit for high-order vibration mode, 30... Vibration control unit for low-order vibration mode, 12, 32... Vibration sensor, 1
5, 35... Actuator, 17, 37... Mass addition body, 20, 40... Support spring, 21, 41
...Controller.

Claims

[Scope of utility model registration request]

a vibration sensor that detects vibrations of a space structure; a mass addition body that provides a motion reaction force that controls the vibrations of the space structure; an actuator that moves the mass addition body; A universe characterized by comprising a plurality of vibration control units each having a controller that operates the actuator in response to vibrations of a structure, and having a configuration in which parameters of vibration control systems in the plurality of vibration control units are different. Vibration control device for structures.