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永磁直流电机碳刷磨损和PWM 控制频率关系的研究

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永磁直流电机碳刷磨损PWM 控制的研究

邱栋 江海

汽车 有限公司底盘控制系统工 江苏苏215024

摘要通过对不同件下碳刷磨损研究,碳刷磨损PWM 控制的关

碳刷提供基础同时控制率的使用和控制ECU 成本的关明了

向。

关键词碳刷磨损PWM;控制

中图分类号 U463.6 文献标志码 A 文章编号 1003-8639 2022 06-0062-02

Study on the Relationship Between Carbon Brush Wear and PWM

Control Frequency of Permanent Magnet DC Motor

QIU Dong JIANG Hai

Chassis Control System Engineering Department

Bosch Automotive Parts Suzhou Co. Ltd. Suzhou 215024 China

AbstractBy studying the brush wear of DC motor under different conditions the relationship between brush

wear current and PWM control frequency is found which provides the theoretical basis for brush design of DC motor

and the relationship between the use of control frequency and the cost of motor controller ECU is also indicated.

Key wordsDC motor carbon brush wear PWM control frequency

收稿日期 2022-02-26

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