Results 31 to 40 of about 676 (182)

Mathematical modelling and control of bearingless brushless direct current machine with motor and generator double modes for flywheel battery

IET Power Electronics, Volume 15, Issue 13, Page 1249-1263, 14 October 2022., 2022
Abstract The performance of flywheel battery is affected by the vibration and friction of traditional mechanical bearing. A novel kind of bearingless brushless direct current machine (BBLDCM) with the hybrid capabilities of electrical machine and suspension is suitable for flywheel battery which reduces the losses and improves the power quality.
Yichen Liu, Huangqiu Zhu, Bo Xu
wiley   +1 more source

New Results of Global Exponential Stabilization for BLDCMs System [PDF]

Mathematical Problems in Engineering, 2015
The global exponential stabilization for brushless direct current motor (BLDCM) system is studied. Four linear and simple feedback controllers are proposed to realize the global stabilization of BLDCM with exponential convergence rate; the control law used in each theorem is less conservative and more concise.
Fengxia Tian, Fangchao Zhen, Guopeng Zhou, Xiaoxin Liao   +3 more
openaire   +1 more source

Lion swarm optimisation‐based tuning method for generalised predictive fractional‐order PI to control the speed of brushless direct current motor

IET Electric Power Applications, Volume 16, Issue 8, Page 879-895, August 2022., 2022
Abstract In order to enhance the speed tracking performance of brushless direct current motor (BLDCM), a new generalised predictive fractional‐order PI (GPFOPI) control algorithm ground on lion swarm optimisation (LSO‐GPFOPI) is proposed in this paper. First, GPFOPI combines robust generalised predictive control with scalable fractional‐order PI, whose
Tingting Wang, Hongzhi Wang, Huangshui Hu, Jinhui Qing, Chuhang Wang   +4 more
wiley   +1 more source

Analysis of voltage vectors and realization method of torque ripple reduction for BLDCM

IET Power Electronics, Volume 15, Issue 9, Page 865-876, 24 July 2022., 2022
Abstract BLDCMs are widely used in automotive, industrial and intelligent equipment fields due to their high power density, simple control, and good dynamic performance. However, its non‐sinusoidal characteristics have brought problems such as turn‐off phase freewheeling to the research and application of BLDCM DTC.
Jianfei Yang, Yongmin Zhang, Wei Cao, Xin Qiu, Riming Wang, Bing Zhu   +5 more
wiley   +1 more source

Improved BLDCM Direct Torque Control Strategy [PDF]

Advances in Engineering Research, 2015
For conventional BLDCM direct torque control strategy existing many disadvantages, for example, flux ring observation algorithm is complex, electromagnetic torque ripple is too large, the current waveform is not ideal, high switching frequency and large switching losses are also serious, designing an improved BLDCM direct torque control strategy.
Yongkui Man, Miaomiao Kang, Baixue Gao, Chunyuan Bian   +3 more
openaire   +1 more source

Design Method of Intelligent Ropeway Type Line Changing Robot Based on Lifting Force Control and Synovial Film Controller

Journal of Robotics, Volume 2022, Issue 1, 2022., 2022
Aiming at the problems of low efficiency, reliability, and safety of manual construction for demolition of old lines, a design method of an intelligent ropeway type line changing robot based on lifting force control and synovial film controller is proposed.
Jiazhen Duan, Ruxin Shi, Hongtao Liu, Hailong Rong, Shan Zhong   +4 more
wiley   +1 more source

Mathematical Modelling and Torque Ripple Waning in BLDC Motor Using Outgoing‐Phase Current Discharge Hysteresis Controlled ANFIS Controller

Mathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022
This study focused on approaches for reducing torque ripples in Permanent Magnet Brushless Direct current motors (PMBLDC) to provide sophisticated performance and reliable machine drives for both industrial and consumer applications. Torque ripples are caused by current ripple, nonsinusoidal Back Electromotive Force (EMF), and cogging torque at the ...
A. Senthilnathan, P. Palanivel, K. Ramash Kumar, Omar Naifar   +3 more
wiley   +1 more source

Magnetic Circuit & Torque Analysis of Brushless DC Motor

Tikrit Journal of Engineering Sciences, 2010
This work is concerned with magnetic and torque analysis of BLDCM and with development of a method of designing BLDCM that have symmetric winding on the rotor .make significant contribution to the rotor inductance position difficult. It is also show that
Arif J. Abbas, Mohamed Rashide, Kais Wadi   +2 more
doaj   +1 more source

Comparative analysis of the performance influence of isolated bus open-end winding BLDCM and star-end winding BLDCM

Journal of Physics: Conference Series, 2020
Abstract The open-end winding motor (OEWM) system is a hot spot of current scholars’ research due to its advantages of large output power, wide speed range, and strong fault tolerance. Through Maxwell and Simplorer software co-simulation, the open-end winding brushless direct current motor (OEWM-BLDCM) and the star-end winding BLDCM ...
TAN Lisi, ZHAO Chaohui, DING Fan, JIAN Zhaoyang   +3 more
openaire   +1 more source

Fuzzy PI Control of Trapezoidal Back EMF Brushless DC Motor Drive Based on the Position Control Optimization Technique

Mathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022
In this article, a novel methodology has been created based on optimized fuzzy PI controller using position control optimization (PCO). This proposed PCO algorithm ensures better control of brushless direct current motor (BLDCM) in order to reduce steady‐state error and oscillation as well as improve the system response by optimizing the speed and ...
D. Magdalin Mary, C. Kumar, Felix Joseph Xavier, Sara A. Rashad, Hady H. Fayek, Naganthini Ravichandran, Sourav Barua, Jie Hu   +7 more
wiley   +1 more source