| 新型无刷直流电机结构设计与性能分析 |
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| 引用本文： | 肖云峰2,徐康1,马丽梅1,张业帅1,刘强1. 新型无刷直流电机结构设计与性能分析[J]. 微电机, 2021, 0(9): 33-36+42 |
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| 作者姓名： | 肖云峰2 徐康1 马丽梅1 张业帅1 刘强1 |
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| 作者单位： | (1.北京石油化工学院 精密电磁装备与先进测量技术研究所，北京 1026172.北京石油化工学院 特种透平机械研究所，北京 102617) |
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| 摘 要： | 针对物联网通讯技术对微纳卫星提出的高性能、低成本的需求，提出了一种新型双圈磁钢无刷直流电机结构动量轮，介绍了其结构和工作原理。采用有限元法对气隙磁密进行仿真分析，结果表明，双圈构型电机气隙磁密和有效气隙磁密平均值均优于传统方案，气隙平顶宽度从传统方案的90°拓宽到120°，有效的提升了力矩输出性能。通过对无控制器状态下两种电机转速特性分析，验证双圈构型电机具有更优的动态和抗干扰性能；基于该结构设计了转速闭环PID控制系统并进行仿真分析，结果表明双圈构型电机在空载状态及突加负载两种情况下，电机达到稳定转速的时间和达到稳定转矩的时间均优于传统结构电机，且新型结构电机的脉动幅值降低约46.5%，可实现电机的高精度稳速控制。
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| 关 键 词： | 动量轮 双圈磁钢构型无刷直流电机 磁性能分析 电性能分析 高精度稳速控制。 |
Structure design and performance analysis of novel brushless DC motor |
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| XIAO Yunfeng,XU Kang,MA Limei,ZHANG Yeshuai,LIU Qiang. Structure design and performance analysis of novel brushless DC motor[J]. Micromotors, 2021, 0(9): 33-36+42 |
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| Authors: | XIAO Yunfeng XU Kang MA Limei ZHANG Yeshuai LIU Qiang |
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| Affiliation: | (1 Beijing Institute of Petrochemical Technology, Institute of Precision Electromagnetic Equipment and Advanced Measurement Technology, Bei Jing, 102617,China; 2 Beijing Institute of Petrochemical Technology, Special Turbine Machinery Research Institute, Bei Jing, 102617,China) |
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| Abstract: | In view of the demand for high performance and low cost proposed by the Internet of Things communication technology for micro-nano-satellites, a new double-turn magnetic steel brushless DC motor structure momentum wheel is proposed, and its structure and working principle are introduced. The air gap magnetic density is simulated and analyzed by the finite element method, and the results shown that the average of air gap magnetic density and effective air gap magnetic density of the dual-magnet structure is better than the traditional scheme, and the air gap flat top width is widened from 90° to 120° compared with the traditional scheme, which effectively improves the torque output performance. The dual-magnet structure motor has better dynamics and anti-interference performance by analyzing the rotational speed characteristics of two types of motors without controller. The speed closed-loop with PID controller system is designed and simulated based on the dual-magnet structure, and the results shown that the time to reach stable speed and torque of the novel structure motor is better than that of the traditional structure motor, and the pulsation amplitude of the novel structure motor is reduced by about 46.5%, which realizes high-precision speed control of the motor. |
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| Keywords: | Momentum wheel dual-magnetic configuration brushless DC motor magnetic performance analysis electrical performance analysis high-precision steady speed control |
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