PROBLEM TO BE SOLVED: To provide a vibration reduction device capable of restricting diffusion of vibration control effect and realizing a desired vibration control effect when a gain of feedback control is increased.SOLUTION: This invention relates to a vibration reduction device comprising a rod 200 connecting an engine and a vehicle body; an inertia mass supported by the rod 200; an actuator 100 for reciprocating the inertia mass in an axial direction of the rod 200; detecting means for detecting any one of active vibration, vibration acceleration, vibration speed and vibration displacement of the rod 200; estimating means for estimating any one of active vibration, vibration acceleration, vibration speed and vibration displacement of the actuator 100 on the basis of the detected values of the sensing means; and control means having a compensator, calculating a control signal for controlling a driving of the actuator 100 on the basis of the detected value and the estimated value estimated by the estimating means, and driving the actuator 100 by the control signal.SELECTED DRAWING: Figure 7
【課題】 フィーバック制御のゲインを大きくした場合に、制振の発散を抑制し、所望の制振効果を発揮できる振動低減装置を提供する。【解決手段】 振動低減装置であって、エンジンと車体との間を連結するロッド200と、ロッド200に支持された慣性マスと、慣性マスをロッド200の軸方向に往復動させるアクチュエータ100と、ロッド200の振動躍度、振動加速度、振動速度、振動変位のいずれか一つを検出する検出手段と、前記検出手段の検出値に基づきアクチュエータ100の振動躍度、振動加速度、振動速度、振動変位のいずれか一つを推定する推定手段と、補償器を有し、前記検出値と前記推定手段により推定された推定値に基づき、アクチュエータ100の駆動を制御する制御信号を演算し、当該制御信号によりアクチュエータ100を駆動させる制御手段とを備える。【選択図】 図7
VIBRATION REDUCTION DEVICE
振動低減装置
2017-02-02
Patent
Electronic Resource
Japanese
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