| 基于小波分析的无刷直流电机机械特性测试 |
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| 引用本文： | 何建华,何文辉. 基于小波分析的无刷直流电机机械特性测试[J]. 河南科技大学学报(自然科学版), 2011, 32(6): 42-45,7 |
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| 作者姓名： | 何建华 何文辉 |
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| 作者单位： | 中国计量学院质量与安全工程学院,浙江,杭州,310018 |
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| 基金项目： | 工信部重大专项基金项目 |
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| 摘 要： | 通过对无刷直流电机的换相过程进行分析,得到无刷直流电机的换相频率与转速、转矩之间的关系。通过小波分析方法对采集到的启动过程的相电流进行去噪,提取瞬时换相频率,获取无刷直流电机的机械特性曲线。最后,通过对无刷直流电机空载启动过程进行仿真,将仿真得到的相电流进行小波去噪和特征提取,得到与理论一致的转速和机械特性曲线,验证了该方法的可行性。
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| 关 键 词： | 小波 无刷直流电机 换相过程 机械特性 |
Measurement of Mechanical Characteristic Based on Wavelet Analysis for Brushless DC Motor |
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| HE Jian-Hua,HE Wen-Hui. Measurement of Mechanical Characteristic Based on Wavelet Analysis for Brushless DC Motor[J]. Journal of Henan University of Science & Technology:Natural Science, 2011, 32(6): 42-45,7 |
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| Authors: | HE Jian-Hua HE Wen-Hui |
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| Affiliation: | HE Jian-Hua,HE Wen-Hui (College of Quality & Safety Engineering,China Jiliang University,Hangzhou 310018,China) |
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| Abstract: | By analyzing the brushless DC motor commutation,the relationship among the commutation frequency,speed and the torque was got.The startup phase current was denoised,and the instantaneous commutation frequency was extracted by the wavelet analysis method.The brushless DC motor mechanical characteristic curve was got.Finally,by simulating the process of brushless DC motor start-up without load,the simulated phase current was denoised by the wavelet,the instantaneous feature was extracted also.The speed curve ... |
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| Keywords: | Wavelet Brushless DC motor Commutation Mechanical characteristic |
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