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- 2015
智能车辆运动控制系统协同设计
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Abstract:
该文建立可准确表征智能车辆横纵向动力学行为特性的数学模型, 揭示智能车辆行驶过程中的耦合机理。在此基础上, 针对智能车辆具有强耦合、非线性和参数不确定等特点, 提出一种由协调控制层、控制分配层和伺服执行层构成的协同控制策略, 通过横纵向动力学系统之间的动态耦合及协同进行能量的传递、转换及演变, 完成智能车辆横纵向运动一体化控制。通过仿真试验进行验证和评价, 试验结果表明: 所设计的控制系统不仅具有良好的稳态精度和动态响应性能, 而且可显著提高智能车辆行驶过程中的稳定性、舒适性和安全性。
Abstract：A dynamic control model is developed for intelligent vehicles which accurately describes the lateral and longitudinal motion characteristics. The strongly coupled, nonlinear problem with very uncertain parameter values for intelligent vehicles is modelled as a multi-layer coordinated control system of the lateral and longitudinal vehicle dynamics. Simulations are used to verify the control system with the simulation results showing that the control system has excellent tracking ability and enhanced stability, comfort and safety of intelligent vehicles.
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