半主动悬架参数自整定模糊控制策略  

Analysis of Fuzzy Control Strategy Based on Energy and Peak Value of Vibration

作　　者：符浩翔[1] 邓兆祥[1] 褚志刚[1] 

机构地区：[1]重庆大学机械传动国家重点实验室,重庆400030

出　　处：《重庆大学学报（自然科学版）》2005年第11期15-19,共5页Journal of Chongqing University

基　　金：国家自然科学基金重点资助项目(50135030)

摘　　要：采用1/4车模型对阻尼在振动中的作用进行了分析,提出了一种充分利用阻尼消耗振动能量,通过阻尼控制降低悬挂质量加速度峰值的半主动悬架模糊控制策略,建立了参数自整定模糊控制器.ADAMS、Matlab/Simulink联合仿真结果显示,与实际非线性阻尼特性的被动悬架和现有模糊控制相比,基于该策略的控制器对车辆平顺性和操稳性有明显改善作用.The effect of damping on vibration is analyzed during the suspension deformation based on the 1/4 vehicle model. The Fuzzy logic control strategy for the semi-active suspension was proposed. By means of dissipating the energy of vibration and decreasing the peak value of the body acceleration via the action of damping, the parameter-self-adjust fuzzy controller was established. The united simulation of ADAMS and Matlab/Simulink were used for demonstrating the efficiency of the controller. Comparing with the practical passive suspension possessing the nonlinear character and the present fuzzy controller, the control system based on the new-style strategy provides better ride comfort and road handling.

关 键 词：能量 峰值 模糊 半主动悬架 参数自整定 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]