| 一种减小无刷直流电机转矩脉动的广角波控制方法 |
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| 引用本文： | 吴春华,陈国呈,孙承波.一种减小无刷直流电机转矩脉动的广角波控制方法[J].上海大学学报(英文版),2007,11(3):300-303. |
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| 作者姓名： | 吴春华 陈国呈 孙承波 |
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| 作者单位： | Shanghai Key Laboratory of Power Station Automation Technology Shanghai University，Shanghai 200072，P. R. China，Shanghai Key Laboratory of Power Station Automation Technology，Shanghai University，Shanghai 200072，P. R. China，Shanghai Key Laboratory of Power Station Automation Technology，Shanghai University，Shanghai 200072，P. R. China |
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| 基金项目： | Project supported by the Shanghai Leading Academic Discipline Project （Grant No.T0103） |
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| 摘 要： | In order to deal with torque pulsation problem caused by traditional control method for brushless DC （BLDC） motor and to achieve high precision and good stability, a novel control strategy is proposed. Compared with the traditional control scheme, by using phase voltage as a control objective and making waveform of phase current approximately quasi-sinusoidal, torque ripple of BLDC motor is reduced from the original 14% to 3.4%, while toque is increased by 3.8%. Furthermore, by detecting zero-crossings of back electromotive force （BEMF） with non-conducting phases, sensorless control is realized. The new control strategy is simple. It can minimize torque ripple, increase torque, and realize sensorless control for BLDC motor. Simulation and experiments show good performance of BLDC motor by using the new control method.
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| 关 键 词： | 无刷直流电机 转矩波纹 宽角电波控制 电动机 |
| 文章编号： | 10.1007/s11741-007-0323-1 |
| 收稿时间： | 12 September 2005 |
| 修稿时间： | 2005-09-122005-12-12 |
A wide-angle wave control method of reducing torque ripple for brushless DC motor |
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| WU Chun-hua,CHEN Guo-cheng,SUN Cheng-bo.A wide-angle wave control method of reducing torque ripple for brushless DC motor[J].Journal of Shanghai University(English Edition),2007,11(3):300-303. |
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| Authors: | WU Chun-hua CHEN Guo-cheng SUN Cheng-bo |
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| Institution: | Shanghai Key Laboratory of Power Station Automation Technology,Shanghai University,Shanghai 200072,P.R.China |
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| Abstract: | In order to deal with torque pulsation problem caused by traditional control method for brushless DC (BLDC) motor and to achieve high precision and good stability, a novel control strategy is proposed. Compared with the traditional control scheme, by using phase voltage as a control objective and making waveform of phase current approximately quasi-sinusoidal, torque ripple of BLDC motor is reduced from the original 14% to 3.4%, while toque is increased by 3.8%. Furthermore, by detecting zero-crossings of back electromotive force (BEMF) with non-conducting phases, sensorless control is realized. The new control strategy is simple. It can minimize torque ripple, increase torque, and realize sensorless control for BLDC motor. Simulation and experiments show good performance of BLDC motor by using the new control method. |
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| Keywords: | wide-angle wave control BLDC motor torque ripple sensorless |
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