D307 弾性案内機構のインパクトダンパによる制振効果(OS5 機械構造物の耐震・免震・振動制御1)

抄録

The authors had tried to dissipate residual vibration of a displacement amplification mechanism using two types of impact damper, and shown effectiveness to adopt an impact damper for the vibration control of flexure mechanism. It had been also shown that the initial setting of clearance between impactor and object is very critical and sensitive to the damping ability. In this paper, an impact damper which can adjust distance between impactor and object by piezoelectric bimorph actuator is newly developed. Owing to the adjustment function of the clearance, influence of various factors such as frequency ratio between damper and displacement amplification mechanism, can be examined more exactly.