Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller , the continuously linear variable voltage controller , the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers . the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs . the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed 根据磁流变阻尼器特性和对悬架系统动力学特性的规律性研究，为磁流变阻尼器设计了基于“天棚”阻尼控制概念的“ on - off ” 、线性连续和修正的线性连续控制策略，基于“地棚”阻尼控制概念的磁流变阻尼线性连续控制策略， “天棚”阻尼和“地棚”阻尼控制概念线性组合起来的磁流变阻尼混合控制策略，根据模糊控制原理设计了以簧载质量和非簧载质量间相对位移或簧载质量加速度分别作为输入变量的模糊逻辑控制器用于磁流变阻尼半主动悬架的智能控制。
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