同轴磁场调制式磁齿轮电磁优化设计

Electromagnetic Optimization Design of Coaxial Magnetic Field Modulated Magnetic Gears

随着未来特种车辆对传动效率和可靠性需求的不断提高,电传动将成为未来传动的重要发展方向,磁齿轮电磁优化设计是未来新型电传动研发中的关键技术之一。对同轴磁场调制式磁齿轮传动原理进行分析,建立磁齿轮磁力传动的解析方程,形成基于Taguchi法与多目标鲁棒性优化算法相结合的磁齿轮电磁优化设计方法,对典型工况下磁齿轮样机的速度与转矩特性进行台架试验。结果表明:磁齿轮样机额定工况下传动比稳定在6.67,输出转矩为359.7 N·m,输出功率为56.49 kW,效率达到98.1%,转矩性能与效率达到优化设计目标,验证了电磁优化设计方法的有效性。

With the increasing demand for transmission efficiency and reliability of special vehicles in the future,electric transmission will become an important development direction of the future transmission,and the electromagnetic optimization design of magnetic gears is one of the key technologies in the research and development of new electric transmission in the future.The transmission principle of coaxial magnetic field modulated magnetic gear is analyzed,the analytical equation of magnetic gears is established,and an electromagnetic optimization design method of magnetic gear based on Taguchi method and multi-target robust optimization algorithm is proposed.The speed and torque characteristics of magnetic gears prototype were tested in typical operating conditions.The results show that the transmission ratio is stabilized at 6.67,the output torque is 359.7 N·m,the output power is 56.49 kW,and the efficiency is 98.1%.The torque performance and efficiency achieve the optimization design targets.The electromagnetic optimization design method was verified through experiment.