A Sensorless Direct Speed Control for Brushless DC Motor Drives

被引：0
|
作者：
Noroozi, M. A. [1 ]
Moghani, J. S. [1 ]
Dehnavi, A. [1 ]
机构：
[1] Amirkabir Univ Technol, Dept Elect Engn, Tehran, Iran
来源：
4TH ANNUAL INTERNATIONAL POWER ELECTRONICS, DRIVE SYSTEMS & TECHNOLOGIES CONFERENCE (PEDSTC 2013) | 2013年
关键词：
Brushless DC motor; Direct speed control; Sensoless speed drive; PI controller; POSITION;
D O I：
暂无
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 the groundwork for a novel concept of sensor less direct speed control (SDSC) in brush less DC (BLDC) motor drives. Unlike the conventional sensorless speed controls, the proposed strategy does not need proportional plus integral (PI) regulators. Thus feedback mechanism is minimized. Speed regulation is achieved by controlling rotational speed of stator flux linkage. The PI regulator is replaced with a simple comparator. The BLDC motor is excited based on a look-up table. This proposal is applicable to both two-phase and three-phase conduction modes of the BLDC motors. In this paper, principles of the proposed sensorless strategy and speed ripple calculation are described in details. The validity of this claim is verified through the simulation results.
引用
收藏
页码：26 / 30
页数：5
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