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Inventor:

周扬忠 (周扬忠.) [1] (Scholars:周扬忠) | 张登灵 (张登灵.) [2] | 陈旭东 (陈旭东.) [3]

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incoPat

Abstract:

本发明涉及一种永磁无刷直流电机低速及零速转子位置观测方法,该方法在导通的两相串联绕组中注入高频电流,提取包括不导通相绕组在内的三相绕组相电压中高频分量;基于高频相电压与转子位置角的关系,借助乘法器、低通滤波器、加法器、坐标变换环节等获得转子位置角观测误差相关变量,并将所述转子位置角观测误差相关变量依次送至PI控制器、积分器,积分器稳态时输出即为转子位置角观测值。该方法可以准确、可靠地观测出永磁无刷直流电机在两相导通模式下低速及零速运行时的转子位置,应用范围广,实现成本低。

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Patent Info :

Type: 发明授权

Patent No.: CN201410594477.7

Filing Date: 2014/10/30

Publication Date: 2017/4/12

Pub. No.: CN104320034B

公开国别: CN

Applicants: 福州大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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