Influence of Maximum Current Control Strategy on Torque Ripple in BLDC Motor

被引：0
|
作者：
Baby, Binu K. [1 ]
George, Saly [2 ]
机构：
[1] Thejus Engn Coll, EEE Dept, Trichur, Kerala, India
[2] Natl Inst Technol Calicut, EE Dept, Calicut, Kerala, India
来源：
2018 IEEE INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, DRIVES AND ENERGY SYSTEMS (PEDES) | 2018年
关键词：
BLDC; Current Hysteresis Control; DC Link Current Control; Maximum of Phase Current Control; DRIVE;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Brushless dc motors are voltage source inverter (VSI) fed permanent magnet motors which are popularly known for their faster dynamics, high efficiency, and low maintenance. The dynamics of the motor is predominantly influenced by the type of controller employed in the control loop. Faster dynamics and precise control of BLDC motors is usually achieved by employing hysteresis current controllers. The current sensed either from the DC Link or from the phases of the motor is employed for the control. This paper brings out the effects of these current sensing strategies on torque ripple and switching frequency. It also proposes methods to eliminate the nonlinearities in computing Maximum of Phase Currents by employing micro-controllers.
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页数：5
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