四轮轮毂电机驱动电动汽车无刷电机控制算法的研究及概要.pdf

学兔兔 汽 车 工 程 2012年(第34卷)第 10期 Automotive Engineering 2012(Vo1．34)No．10 2012170 四轮轮毂电机驱动电动汽车无刷 电机控制算法的研究 卢东斌，李建秋，何 涛，欧阳明高，谷 靖 (清华大学汽车工程系；汽车安全与节能国家重点实验室，北京 100084) [摘要] 在分析四轮驱动轮毂电机电动汽车不同电机控制算法优缺点的基础上，提出了一种新的多模式电机 控制算法。该算法对高速驱动采用矢量控制或六步换相控制；低速驱动和制动采用正弦波电压或矢量控制。针对 轮毂电机多模式控制的复杂性，采用了Matlab／Simulink的Stateflow工具箱实现控制模式切换，整车控制算法在Mat— lab／Simulink环境下实现，并通过全自动代码生成下载到MPC5633M单片机中，保证了电机多模式控制的可靠切换。 仿真和试验结果证明了这种算法的可行性，电机噪声降低，整车性能提高。 关键词：电动汽车；轮毂电机；无刷直流电机；控制算法 A Research on the Control Algorithm for Brushless Motor in Four．wheel Hub Motor Drive Electric Vehiele Lu Dongbin，Li Jianqiu，He Tao，Ouyang MinggaoGu Jing Department ofAutomotive Engineering，Tsinghua University；State Key Laboratory ofAutomotive Safety and Energy，Being 100084 l Abstract J On the base of an analysis on the virtues and defects of different motor control algorithms for four—wheel hub motor drive electric vehicle，a novel multi—mode motor control algorithm is proposed，in which vector control or block commutation control is adopted for high—speed driving，and sinusoidal voltage control or vector con— trol for braking and low—speed drive．In view of the complexity of multi—mode control for hub motor，the Stateflow tool box in Matlab／Simulink is used to achieve control mode switching，the vehicle control algorithm is implemented in Matlab／Simulink environment and downloaded to MPC5633 M microcontroller through full--automatic code genera·· tion to assure the reliable switching of multi—mode motor contro1．The results of simu