电动汽车新型多功能一体化主动轮技术及综合控制理论与方法研究

项目名称： 电动汽车新型多功能一体化主动轮技术及综合控制理论与方法研究

项目编号： No.51275541

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 机械、仪表工业

项目作者： 李以农

作者单位： 重庆大学

项目金额： 80万元

中文摘要： 针对轮边驱动结构非簧载质量过大、动力形式特殊造成的电动汽车平顺性和操纵稳定性矛盾恶化等新问题，通过采用新型多功能一体化主动轮技术提出有效的改善方法。根据主动轮技术多学科交叉、多目标实现、多场耦合的特点，通过其目标空间域的特性场分析方法，研究适合电动汽车主动轮系统的控制策略；以轮毂电机集成直线电机电磁主动悬架，并通过其执行器空间布置的拓扑优化，将底盘控制重心转向集成车轮、悬架的三维空间全方位立体综合控制，实现轮边驱动结构"高功能内聚、低系统耦合"的特性；通过车身姿态控制和电磁主动悬架控制的有效结合，实现主动悬架位移、加速度的复合控制、刚柔耦合单向作动，降低轮胎动载荷和车身位移、加速度响应，并进一步研究主动轮系统的能量回收及其各功能间的协调工作。通过理论研究和实验验证，力争在电动汽车的舒适性和安全性研究方面取得重要成果，为开发拥有自主知识产权的轮边驱动电动汽车提供理论基础和技术保障。

中文关键词： 汽车动力学；轮边驱动电动汽车；主动轮；电磁主动悬架；综合控制

英文摘要： The ride comfort and maneuver stability of electric vehicles are deteriorated due to the increased unsprung mass and specific power configuration introduced by the motorized wheel, to settle this new problem, a novel technology of multifunctional active wheel is proposed. According to its characteristics of multi-disciplinary intersection, multi-objective realization and multi-filed coupling, the performance field response will be analyzed in the multi-objective spatial domain for the design of the active wheel control strategy. The priority of chassis control is shifted to the omni control of unified wheel and suspension in three-dimensional space by means of integrated design of wheel hub motor with active electromagnetic suspension and topological optimization of the actuator spatial layout, of which the final goal is to achieve the functional highly cohesive and systematic low coupling status for electric vehicle with in-wheel motor driving architecture; By effective combination of body motion control and electromagnetic suspension active control, the tire dynamic load and the response of vehicle body displacement and acceleration are going to be suppressed via the deployment of compound control of displacement with acceleration and rigid-flexible coupling unidirectional actuating, where the energy consumpti

英文关键词： Vehicle Dynamics；in-Wheel Drive electric vehicle；Active Wheel；Active Electromagnetic Suspension；Integrated control