针对大射电望远镜悬索馈源支撑系统的随机风振响应问题 ,在简单介绍了电流变液及电流变阻尼器形式的基础上 ,设计了一种电流变可调阻尼器来实现大射电望远镜悬索馈源支撑系统风振的半主动控制 .详细推导了电流变可调阻尼器的力学模型 ,通过计算机仿真 ,验证了所设计的可调阻尼器的有效性 .彻底解决了悬挂拖动系统的附加阻尼控制问题 Aiming at the problem of random wind vibration response of the suspension feed system of the large radio telescope, based on the brief introduction of the forms of the ER fluid and the ER damper, an ERC damper is designed to realize the large radio telescope suspension The semi-active control of the wind-induced vibration of the cable feeder support system is deduced.The mechanical model of the variable current damper is deduced in detail.The effectiveness of the adjustable damper is verified by computer simulation, Additional damping control problems