Results 1 to 10 of about 3,397 (222)

Commutation Torque Ripple Reduction Strategy of Brushless DC Motor Drives Based on Boosting Voltage of DC-Link Small Capacitor [PDF]

Micromachines, 2022
Based on the brushless DC motor system with DC-link small capacitance powered by a single-phase AC power source, a boosting DC-link voltage strategy to reduce the commutation torque ripple of brushless DC motors is proposed in this paper.
Xinmin Li, He Yuan, Wei Chen, Lihong Yu, Xin Gu   +4 more
doaj   +2 more sources

Coordinated suppression commutation torque ripple for brushless DC motor with commutation time

IET Electric Power Applications, 2023
A commutation torque ripple suppression strategy for the brushless DC motor (BLDCM) with commutation time is proposed. First, a torque model considering back electromotive force (back‐EMF) variation is presented, and the cause of commutation torque ...
Zhongxin Wan, Song Huang, Chong Zeng, Yong Liao   +3 more
doaj   +2 more sources

A New Approach of Minimizing Commutation Torque Ripple for BLDCM [PDF]

Energies, 2017
The properties of brushless DC motor (BLDCM) are similar to the fractional, slot-concentrated winding of permanent-magnet synchronous machines, and they fit well for electric vehicle application.
Bo Tan, Zhiguang Hua, Lu Zhang, Chun Fang   +3 more
doaj   +2 more sources

Improved PWM-OFF-PWM to Reduce Commutation Torque Ripple of Brushless DC Motor Under Braking Conditions

IEEE Access, 2020
This paper proposes an improved PWM-OFF-PWM of the brushless DC motor under braking condition which can reduce commutation torque ripple. Compared with other brake modulation methods, PWM-OFF-PWM can restrain non-commutation torque ripple attributed to ...
Qixun Zhou, Jianhua Shu, Ziwei Cai, Quanlong Liu, Guanghui Du   +4 more
doaj   +3 more sources

Research on Suppressing Commutation Torque Ripple of BLDCM Based on Zeta Converter

Machines
Torque ripple in a brushless DC motor (BLDCM) seriously restricts its application in high-performance fields. This paper proposes a commutation torque ripple suppression strategy based on a Zeta converter.
Tao Yin, Wanli Yang, Wenxian Zhang, Meng Wu, Xiugang Yu, Xingchang Han   +5 more
doaj   +2 more sources

Introducing a New Hybrid Method to Reduce BLDC Motor Torque Ripple, Based on Predictive Control and Quasi Z-Source Converter [PDF]

هوش محاسباتی در مهندسی برق, 2023
The commutation torque ripple adversely affects the performance of the six-phase inverter of the BLDC motor with trapezoidal back EMF and creates vibration and noise for industrial applications.
Ahmad Entezari, Arash Dehestani Kolagar, Mohammad Reza Alizadeh Pahlavani   +2 more
doaj   +1 more source

Torque Ripple Reduction for BLDC Permanent Magnet Motor Drive Using DC-Link Voltage and Current Modulation

IEEE Access, 2022
This paper proposes a torque ripple reduction for brushless DC (BLDC) permanent magnetic (PM) motor drive based on the DC-link voltage pulse amplitude modulation (PAM).
Ching-Lon Huang, Feng-Chi Lee, Chia-Jung Liu, Jyun-You Chen, Yi-Jen Lin, Shih-Chin Yang   +5 more
doaj   +1 more source

An Improved Direct Predictive Torque Control for Torque Ripple and Copper Loss Reduction in SRM Drive

Applied Sciences, 2023
This paper introduces a direct predictive torque control (DPTC) method to minimize the torque ripple and copper loss of the switched reluctance motor (SRM). Generally, there is a problem with torque ripple during the SRM’s commutation.
Linhao Sheng, Guofeng Wang, Yunsheng Fan, Jian Liu, Di Liu, Dongdong Mu   +5 more
doaj   +1 more source

Brushless DC Motor Current Prediction Torque Ripple Suppression

Journal of Harbin University of Science and Technology, 2020
Aiming at the torque ripple problem of brushless DC motor, a current predictive control method combined with commutation overlap method is proposed to suppress the commutation torque ripple Based on the analysis of the cause of the commutation torque ...
LDegang, ZHANG Chenguang, HOU Zhengdong
doaj   +1 more source

Direct Instantaneous Torque Control of SRM Based on a Novel Multilevel Converter for Low Torque Ripple

World Electric Vehicle Journal, 2023
The torque ripple of a switched reluctance motor (SRM) limits its application in electric vehicles. This paper proposes a DITC system for SRMs based on a novel multilevel converter (MLC), which aims at the problem that the torque ripple cannot be ...
Yan Cai, Zhongshan Dong, Hui Liu, Yunhu Liu, Yuhang Wu   +4 more
doaj   +1 more source