陕西航天时代导航设备有限公司, 陕西 宝鸡 721300
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收稿:2022-01-25,
网络出版:2023-07-19,
纸质出版:2023-05-31
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王永嘉, 郭建宁, 张陶鹏, 等. 弹用永磁直流力矩电机高频波动的优化设计[J]. 兵工学报, 2023,44(5):1365-1373.
Yongjia WANG, Jianning GUO, Taopeng ZHANG, et al. Optimization Design of High-frequency Fluctuations of Permanent Magnet DC Torque Motor for Missiles[J]. Acta Armamentarii, 2023, 44(5): 1365-1373.
王永嘉, 郭建宁, 张陶鹏, 等. 弹用永磁直流力矩电机高频波动的优化设计[J]. 兵工学报, 2023,44(5):1365-1373. DOI: 10.12382/bgxb.2022.0065.
Yongjia WANG, Jianning GUO, Taopeng ZHANG, et al. Optimization Design of High-frequency Fluctuations of Permanent Magnet DC Torque Motor for Missiles[J]. Acta Armamentarii, 2023, 44(5): 1365-1373. DOI: 10.12382/bgxb.2022.0065.
永磁直流力矩电机在武器装备领域中应用广泛
为解决弹用永磁直流力矩电机感应电压和电流的高频波动问题
基于高频波动产生的机理
提出一种虚槽设计与优化电刷组件相结合的优化设计方法
使电机能够满足高频波动性能指标要求。虚槽设计能够增加换向元件个数
减小元件匝数
从而减小换向电流;在整流子内壁增加V形齿槽并优化转子成型工艺
便于转子生产。优化电刷组件包括:刷架结构优化、弹簧片优化、电刷头材料优选和电刷磨合工艺优化
以保证电刷的共面性、压力一致性并减少电刷头的磨损。对优化后的电机进行仿真和实验测试。研究结果表明
所提优化设计方法能够有效抑制高频波动
优化后的电机感应电压波动峰峰值降低75.23%
电流波动峰峰值降低76.77%
使电机满足设计指标要求。
The permanent magnet DC torque motor is widely used in weapons and equipment field. In order to solve the high-frequency fluctuations of the induced voltage and current of the permanent magnet DC torque motor for missiles
based on the mechanism of high-frequency fluctuations
an optimization design method combining virtual-slot design and optimized brush assembly was proposed for the motor to meet the requirements of high-frequency fluctuation performance index. The virtual-slot can increase the number of reversing elements and decrease the number of turns of elements
thus reducing the reversing current. V-shaped grooves were added to the inner wall of the commutator and the rotor forming process was optimized to facilitate rotor production. The brush assembly optimization includes: brush frame structure optimization
spring leaf optimization
brush head material optimization and optimization of brush breaking-in technique to ensure the coplanarity
pressure consistency and wear reduction of the brush. The optimized motor was simulated and tested experimentally. The results showed that: the proposed optimization design method can effectively suppress the high-frequency fluctuations; the peak-to-peak value of the induced voltage fluctuation of the motor after optimization was reduced by 75.23%
and the peak-to-peak value of the current fluctuation was reduced by 76.77%
allowing the motor to meet the design requirements.
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