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半车主动悬架系统模糊PID控制器设计及仿真

DOI: 10.3969/j.issn.1674-0696.2015.02.32, PP. 148-151

Keywords: 车辆工程,模糊-PID,主动悬架控制器,设计,仿真性,vehicleengineering,fuzzy-PID,activesuspensioncontroller,design,simulation

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Abstract:

:?基于车辆动力系统模型,设计了针对车辆平顺性的4自由度车辆主动悬架系统半车模型。针对提高车辆平顺性设计了模糊控制规则库,并将模糊控制逻辑结合到PID控制当中,设计了主动悬架系统的模糊PID控制器。通过MATLAB/Simulink仿真分析了基于模糊PID控制器的主动悬架与被动悬架的性能。仿真结果表明:设计的模糊PID控制器,能显著降低车身加速度和俯仰角,提高主动悬架的平顺性。

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