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Dynamic analysis and torque control of translational meshing motor integrated with compliant mechanism
Author(s): 
Pages: 408-413,418
Year: Issue:  3
Journal: Electric Machines and Control

Keyword:  平动式啮合电动机柔性机构有限元方法动态分析转矩控制;
Abstract: 介绍了一种柔性机构平动式啮合电机结构和运行原理.该电机利用4组磁极间的磁场力驱动转子在柔性机构约束下绕定子轴线做圆周平动,进而直接带动摆线机构输出低速大扭矩.针对该电机特点,依据磁共能原理,采用动态分析方法建立了电机的磁场和转矩特性模型,分别运用解析方法和有限元方法计算了电机的电感特性;结合直接转矩控制原理推导出了柔性平动式啮合电机的转矩控制算法.设计了物理样机和控制系统,通过仿真和物理样机实验证明了直接转矩控制较开关控制方法降低了电机的振动,控制转速波动在10%以内.理论分析和实验结果均表明该转矩控制方法具有较高的可行性和实用性.
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