A novel twelve-step sensorless drive scheme for a brushless DC motor

被引：16
|
作者：
Wang, Chao-Min [1 ]
Wang, Shyh-Jier
Lin, Shir-Kuan
Lin, Hsing-Yu
机构：
[1] Natl Chiao Tung Univ, Dept Elect & Control Engn, Hsinchu 30010, Taiwan
[2] Sonicedge Ind Corp, Hsinchu 303, Taiwan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2007年 / 43卷 / 06期
关键词：
back EMF; brushless DC motor; sensorless drive; zero-crossing;
D O I：
10.1109/TMAG.2007.892327
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a novel twelve-step sensorless drive scheme for a three-phase brushless DC motor, which combines the traditional six-step 120 degrees and 180 degrees conduction modes and has varied active angular period. The proposed scheme is implemented on a single FPGA-chip. Several experiments for various active angle periods from 124 degrees to 168.75 degrees are undertaken. The experimental results show that the torque constant is larger for the larger active angular period.
引用
收藏
页码：2555 / 2557
页数：3
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