Research on Position Sensorless Control System of High-Speed Brushless DC Motor

被引：1
|
作者：
Guo, RongChun [1 ]
Cheng, ZengMu [1 ]
Li, JinDong [1 ]
机构：
[1] ShanDongJiaoTong Univ, Jinan, Shandong, Peoples R China
来源：
2017 NINTH INTERNATIONAL CONFERENCE ON INTELLIGENT HUMAN-MACHINE SYSTEMS AND CYBERNETICS (IHMSC 2017), VOL 1 | 2017年
关键词：
High-Speed brushless DC motor; Zero point optimization; Least squares method; Rotor position estimation;
D O I：
10.1109/IHMSC.2017.21
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In order to realize the position sensorless control of High-Speed brushless DC motor, a new zero crossing optimization detection method is proposed, which is sampled in the specified period, and then the relationship between the zero point voltage and the sampling example is modeled. The least squares method is used to analyze the approximation of the oversampling system, which directly detects the zero-crossing point of the off-phase winding back electromotive force, and delays the zero-crossing by 30 degrees to obtain the permutation of the high-speed brushless DC motor winding Rotor position. Experiments show that the method can accurately estimate the rotor position in the high-speed motor. Therefore, the brushless DC motor without position sensor control system with this detection method has better effect.
引用
收藏
页码：62 / 65
页数：4
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