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对三自由度振动系统，应用冲击阻尼器，引入阻尼器冲程控制参量Ｐｄ／ｏｐｔ，给出实现系统振动半主动控制的方法。数值分析表明，半主动控制系统对各阶模态共振峰均有明显的抑制效果。系统控制反馈参量易于检测，作动器结构易于实现。基于冲击阻尼器的振动半主动控制策略是一种实用的振动控制方案。
For a three-degree-of-freedom vibration system, the impact damper is used and the damper stroke control parameter Pd / opt is introduced to give the method of semi-active control of the system vibration. Numerical analysis shows that the semi-active control system has obvious inhibitory effect on each mode formant. The system control feedback parameters are easy to detect and the actuator structure is easy to implement. Vibration semi-active control strategy based on impact damper is a practical vibration control scheme.