【摘要】 针对非线性主动悬架系统，考虑路面干扰的有限频率特性与人体敏感频率段，提出了一种模糊有限频域输出反馈控制方法。首先，基于Takagi-Sugeno(T-S)模糊方法表征汽车非线性主动悬架时滞系统，从而更形象地描述悬架系统弹性元件和阻尼器的非线性特征；其次，在有限频域性能指标和汽车悬架动力学系统的鲁棒性能分析条件的基础上，设计了有限频域状态反馈模糊控制器；再次，考虑实际中悬架系统部分状态难以在线可测量的问题，基于矩阵分离技术提出了一种模糊有限频域输出反馈控制器的设计方法；最后，通过台架试验验证了所提模糊控制器的有效性。更多还原

【Abstract】 A fuzzy finite frequency output feedback control method is proposed considering the finite frequency characteristics of pavement interference and human sensitive frequency segment for nonlinear active suspension system. Firstly, the Takagi-Sugeno(T-S) fuzzy method was used to characterize the time-delay system of nonlinear active suspension, so as to vividly describe the nonlinear characteristics of spring and damper. Secondly, the fuzzy finite-frequency state feedback controller is designed based on the finite-frequency performance index and the condition of the robust performance. Thirdly, considering that some states of the suspension system are difficult to be measured online in practice, a fuzzy finite-frequency output feedback controller design method on the basis of matrix separation technology is produced. Finally, the experimental results verify the effectiveness of the proposed fuzzy controller.更多还原