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为了提高重型车辆防侧翻控制能力,利用MATLAB/Simulink软件建立八自由度车辆模型、参考模型和轮胎模型,以横摆角速度和质心侧偏角为控制目标,设计了模糊控制差动制动防侧翻控制系统,上层控制器采用模糊控制,下层控制器采用差动制动控制,分别在阶跃工况和鱼钩工况下进行仿真分析。结果表明:所设计的模糊控制差动制动防侧翻控制系统有效地提升了重型车辆横摆稳定性和侧倾稳定性。
In order to improve the rollover control ability of heavy vehicles, an 8-DOF vehicle model, a reference model and a tire model are established by using MATLAB / Simulink software. The yaw rate and center of mass roll angle are taken as control targets. Fuzzy control differential braking Rollover control system, the upper controller adopts the fuzzy control, the lower controller adopts the differential brake control, and carries on the simulation analysis under the step condition and the hook condition respectively. The results show that the design of fuzzy control differential brake anti-roll control system effectively improves the stability of heavy vehicles and roll stability.