电动汽车用轮毂电动机前沿技术动态及展望

Frontier techniques and prospect of in-wheel motor for electric vehicle

介绍了国内外轮毂电动机技术的前沿动态与应用现状,系统叙述了永磁轮毂电动机的类型、结构与研究概况,归纳总结了永磁轮毂电动机磁场调节的3种方式,阐述了永磁轮毂电动机结构优化设计、转矩控制策略、轮毂电动机电磁振动与电磁噪声控制方法等关键技术.同时,对永磁轮毂电动机多物理场耦合效应等问题进行了分析.最后对电动汽车用轮毂电动机集成设计、容错、线控、多场耦合分析及整车优化设计等技术进行了讨论,并对其未来发展趋势进行了展望.

The frontier techniques and implementation situations of in-wheel motor for electric vehicle were introduced. The type, structure and overview of permanent magnet in-wheel motor were described. The general principle of magnet field adjustment inside permanent magnet in-wheel motor was summarized. The key technologies of structure optimization, torque control strategy, electromagnetic vibration and noise control approach for permanent magnet in-wheel motor were elaborated. The current research on the multi-field coupling effects was analyzed. The prospects of in-wheel motor drive technologies of integration design, fault tolerance, control-by-wire, multi-field coupling analysis and vehicle optimization design for electric vehicle in the future were also discussed.