Results 251 to 260 of about 12,904,917 (277)

Direct instantaneous torque control combined with torque sharing function strategy for switched reluctance drive

2012 Third International Conference on Intelligent Control and Information Processing, 2012
The inherent highly nonlinearity of switched reluctance motor not only makes it difficult to eliminate torque ripple with conventional average torque control techniques, but also restricts its application in the high-performance servo systems. A novel control strategy combing direct instantaneous torque control with the torque sharing function control ...
Jianzhong Sun, Fengxian Bai, Wei Lou, Feiran Sun   +3 more
openaire   +1 more source

Iterative learning control based direct instantaneous torque control of switched reluctance motors

2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551), 2004
In this paper, iterative learning control (ILC) based direct instantaneous torque controller (DITC) for SRM is proposed. Direct torque control avoids the conversion of demanded motor torque into equivalent phase current references; which is non-trivial due to the coupled and non-linear torque, current and rotor position relationship.
S.K. Sahoo, S.K. Panda, J.X. Xu
openaire   +1 more source

Optimal direct instantaneous torque control of a switched reluctance motor for low torque ripple

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering
Purpose This paper aims to present an optimal direct instantaneous torque control (DITC) based on enhanced linear active disturbance rejection control (LADRC) using a fast modeling approach. Design/methodology/approach First, a fast ...
Liyun Feng, Guoshan Cai, Xueyang Zhou, Hua Yin, Kaikai Diao   +4 more
openaire   +1 more source

A high efficiency direct instantaneous torque control of SRM using commutation angles control

2014 17th International Conference on Electrical Machines and Systems (ICEMS), 2014
This paper investigates the problem of angle optimization in direct instantaneous torque controlled (DITC) switched reluctance motor (SRM). The torque to ampere ratio (T/A) enlargement of the motor is studied through adjustment of switching angles in order to improve the efficiency of the motor.
Yulin Wang, Huajiang Wu, Wei Zhang, Yunlong Ma   +3 more
openaire   +1 more source

A Newly Designed Instantaneous-Torque Control of Direct-Drive PMSM Servo Actuator With Improved Torque Estimation and Control Characteristics

IEEE Transactions on Industrial Electronics, 2007
In this paper, a newly designed instantaneous-torque-control scheme with improved instantaneous-torque estimation and control characteristics in a direct-drive permanent-magnet synchronous motor (DD-PMSM) is presented. A hybrid control structure that combines the internal-model principle and the variable-structure control approach is proposed.
openaire   +1 more source

Direct instantaneous torque and force control: A novel control approach for switched reluctance machines

2015 IEEE International Electric Machines & Drives Conference (IEMDC), 2015
Switched-reluctance technology is appealing to the automotive industry due to its cost efficiency. Conventional research focuses on the two main issues torque ripple and acoustic noise. However, control schemes usually only address one of these two issues at a time.
Annegret Klein-Hessling, Andreas Hofmann, Rik W. De Doncker   +2 more
openaire   +1 more source

Direct instantaneous torque control of switched reluctance motor based on adaptive backstepping

2014 17th International Conference on Electrical Machines and Systems (ICEMS), 2014
Direct instantaneous torque control (DITC) is an efficient techinique of supressing torque ripple of switched reluctance motor (SRM). However, the performances of the conventional DITC with hysteresis torque control will be degraded due to limited sampling frequency in digital implementation.
Zhang Ruiwei, Zhang Yingchao, Qian Xisen, Lu Ting, Zhao Zhengming   +4 more
openaire   +1 more source

Optimum design of switched reluctance motor based on direct instantaneous torque control

2015 18th International Conference on Electrical Machines and Systems (ICEMS), 2015
This paper proposes a new optimum design method of switched reluctance motors (SRM) based on direct instantaneous torque control (DITC) algorithm. The total copper losses minimization of the motor has been investigated through adjusting of the stator pole arc and rotor pole arc in order to improve the efficiency of the motor.
Yulin Wang, Wei Zhang, Shuchun Yao, Bojian Chen   +3 more
openaire   +1 more source

Analysis in start-up performance of SRM based on direct instantaneous torque control

2011 International Conference on Electrical and Control Engineering, 2011
The structure of Switched Reluctance Motor is simple, high reliability and efficiency and excellent speed adjusting performance, thus paid widespread attention in recent years. But its unique double salient poles structure leads to serious torque ripple.
Wang Mian-hua, Wang Guang-zhou
openaire   +1 more source

Instantaneous space vector model for direct flux and torque control of an inverter controlled induction motor

7th IEEE International Power Electronics Congress. Technical Proceedings. CIEP 2000 (Cat. No.00TH8529), 2002
Based on the instantaneous space vector variables of the induction motor and control vector models, this paper presents a digital simulation of the direct stator flux and torque instantaneous space vector controllers of a VSI-fed-induction-motor.
A. Nava-Segura, C. Hernandez-Aramburo, G. Mino-Aguilar, E. Peralta-Sanchez   +3 more
openaire   +1 more source