Results 231 to 240 of about 6,672,760 (273)

Model Predictive Torque and Force Control for Switched Reluctance Machines Based on Online Optimal Sharing Function

IEEE Transactions on Power Electronics, 2023
Although the torque and radial force ripples are two important causes of unwelcomed vibration in switched reluctance machines, the suppression of these ripples is usually contradictory.
Lefei Ge, Dianxun Xiao, Shoujun Song
exaly   +2 more sources

An Improved Torque Sharing Function to Minimize Torque Ripple and Increase Average Torque for Switched Reluctance Motor Drives

Electric Power Components and Systems, 2020
Abstract—This article presents a novel torque ripple minimization approach based on the genetic algorithm (GA) for the switched reluctance motor (SRM) drives.
Mithat Önder
exaly   +2 more sources

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An Improved Torque Sharing Function for Torque Ripple Reduction in Switched Reluctance Machines

IEEE Transactions on Power Electronics, 2019
An offline torque sharing function (TSF) is introduced in this paper for torque ripple reduction in switched reluctance machines (SRM). This TSF uses static flux linkage characteristics of the machine obtained from finite element analysis or experiments that describe the machine dynamics to determine optimal current profiles such that the torque ripple
Berker Bilgin, Ali Emadi, Haoding Li
exaly   +2 more sources

A Simple Nonlinear Logical Torque Sharing Function for Low-Torque Ripple SR Drive

IEEE Transactions on Industrial Electronics, 2009
A novel and simple nonlinear logical torque-sharing function (TSF) for a switched reluctance motor (SRM) drive is proposed. This novel scheme using nonlinear TSF manipulates currents in two adjacent phases during commutation, so that efficiency and torque ripple in an SRM drive can be considerably improved. For constant torque generation, the switching
Dong-Hee Lee, Jianing Liang, Jin-Woo Ahn
exaly   +3 more sources

An Offline Torque Sharing Function for Torque Ripple Reduction in Switched Reluctance Motor Drives

IEEE Transactions on Energy Conversion, 2015
In this paper , an offline torque sharing function (TSF) for torque ripple reduction in switched reluctance motor (SRM) drives over a wide speed range is proposed. The objective function of an offline TSF is composed of two secondary objectives with a Tikhonov factor to minimize the square of the phase current (copper loss) and derivatives of current ...
Berker Bilgin, Jin Ye, Ali Emadi
exaly   +2 more sources

Optimization and Evaluation of Torque-Sharing Functions for Torque Ripple Minimization in Switched Reluctance Motor Drives

IEEE Transactions on Power Electronics, 2009
Two improved torque-sharing functions for implementing torque ripple minimization (TRM) control are presented in this paper. The proposed torque-sharing functions are dependent on the turn-on angle, overlap angle, and the expected torque. This study shows that for a given torque the turn-on angle and the overlap angle have significant effects upon ...
Siu Lau Ho, Eric Ka Wai CHENG, X D Xue
exaly   +3 more sources

A New Predictive Torque Control Based Torque Sharing Function for Switched Reluctance Motors

2019 22nd International Conference on Electrical Machines and Systems (ICEMS), 2019
The torque ripple of switched reluctance motors(SRMs) is large due to its doubly salient structure, which has to be suppressed to extend its application. Torque Sharing Function (TSF) is introduced to reduce torque ripple in SRMs. In torque hysteresis loop controller, there are errors in torque observation as the actual torque hysteresis band is larger
Hongyan Hu, Xin Cao, Ning Yan, Zhiquan Deng   +3 more
openaire   +1 more source

Torque ripple minimization of switched reluctance motor using modified torque sharing function

2013 21st Iranian Conference on Electrical Engineering (ICEE), 2013
Torque pulsation mechanism and highly nonlinear magnetic characterization of switched reluctance motors(SRM) lead to unfavourable torque ripple and limit the variety of applications in industry. In this paper, a modification method proposed for torque control of SRM based on conventional torque sharing functions(TSF) to improve maximum speed of torque ...
Milad Dowlatshahi, Seyed Morteza Saghaeian Nejad, Jin-Who Ahn   +2 more
openaire   +1 more source

Torque Ripple Reduction in Switched Reluctance Motor Using a Novel Torque Sharing Function

2016 IEEE International Conference on Aircraft Utility Systems (AUS), 2016
A novel torque sharing function (TSF) to minimize the torque ripple of switched reluctance motor is proposed in this paper. Optimization criteria of a TSF that is concerned with an optimization problem including minimize copper loss and the maximum absolute value of the rate-of-change of the flux linkage (RCFL).
Zhang Poming, Qishuang Ma
exaly   +2 more sources

Four quadrant operation of SRM drive based on Modulated Torque Sharing Function

IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021
This paper presents the four quadrants operation for switched reluctance motor (SRM) drives based on the modulating torque sharing function (TSF). SRM is a nonlinear motor and has torque ripple issues whenever the two phases overlap. The conventional TSF’s have predefined function, which are limited to machine specific and have high torque ripple.
Ashwani Kumar Rana, Samant Kumar Singh, A. V. Ravi Teja   +2 more
openaire   +2 more sources