Results 71 to 80 of about 490 (132)

Comparative Analysis and Experimental Verification of a Linear Tubular Generator for Wave Energy Conversion

Energies, 2018
To improve the power density and reliability of radial (RS-TLPMG) and quasi-Halbach (QH-TLPMG) magnetization tubular linear surface-mounted permanent magnet generators under realistic sea-state conditions, a novel tubular linear generator with multilayer
Tao Xia, Haitao Yu, Zhenchuan Shi, Rong Guo   +3 more
doaj   +1 more source

Sensorless Control for a Permanent Magnet Synchronous Motor Based on a Sliding Mode Observer

Eng
This paper proposes a sensorless control strategy for permanent magnet synchronous motors (PMSMs) based on a sliding mode observer (SMO), and high-speed PMSM sensorless velocity control is realized.
Jinfa Liang, Jun Wu, Yong Wang, Zhihong Zhong, Xinxin Bai   +4 more
doaj   +1 more source

A Study on the Transient Performance of Compensated PLL-Type Estimators for Sensorless IPMSMs

Actuators
The transient performance of sensorless control for interior permanent magnet synchronous motors (IPMSMs), based on back-electromotive force (back-EMF) estimation, is a critical factor in ensuring the high reliability of motor drive systems.
Dongwoo Lee
doaj   +1 more source

Analysis on the Air-Gap Magnetic Field and Force of the Linear Synchronous Motor with Different Winding Distribution

Micromachines
Based on the long-stator permanent magnet linear synchronous motor (PMLSM), motor structures with different pole–slot ratios are designed by changing the distribution of armature windings.
Jing Bai, Lei Zhang, Yu Xu
doaj   +1 more source

Hybrid SOGI-FLL-LUT Sensorless PMSM Drive With Back-EMF Distortion Elimination

IEEE Open Journal of Industry Applications
There is growing demand for robust sensorless control of permanent magnet synchronous motors (PMSMs), but conventional methods using phase locked loops (PLLs) are computationally intensive and offer limited back-Electromotive Force (back-EMF) distortion ...
Pengwei Li, Zhe Zhang, Ali Bazzi
doaj   +1 more source

Compensation of Back Electromotive Force of Electric Actuator for Vibration Mode Control

Proceedings of the Japan Joint Automatic Control Conference, 2004
Okamoto, Mineki, Tagawa, Yasutaka
openaire   +1 more source

Current commutation and control of brushless direct current drives using back electromotive force samples

, 2015
Brushless DC machines (BLDC) are widely used in home, automotive, aerospace and military applications. The reason of this interest in different industries in this type of machine is due to their significant advantages. Brushless DC machines have a high power density, simple construction and higher efficiency compared to conventional AC and DC machines ...
openaire   +1 more source

Design and Construction of a Sensorless Circuit for Brushless DC Motor using Third Harmonic back Electromotive Force

International Journal of Engineering, 2017
openaire   +1 more source

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Analysis of back electromotive force in RCEML

2014 17th International Symposium on Electromagnetic Launch Technology, 2014
Compared with the rail electromagnetic launchers (EMLs), there is a strong magnetic coupling between the drive coils and the projectile of coil EMLs. This makes it possible that the coil EMLs have very high efficiency. When doing research on coil EMLs, we found that there was a significant downward trend of the current wave of the launcher system by ...
Yanpan Hou, Zhenxiang Liu, Lijia Yang, Zhi Shen, Jian-Ming Ouyang, Dong Yang, Zhi-Peng Lin, Xiang-cheng Li   +7 more
openaire   +1 more source

Control of a flexible beam using back electromotive force of motor

Journal of Guidance, Control, and Dynamics, 1996
An innovative method of wave-absorbing control is presented for vibration suppression of flexible space structures. The method needs no digital computation process programmed under the control law that is usually necessary in realistic systems. A torque motor is used not only as an actuator but also a sensor that detects the angular velocity of the ...
Fujii, Hironori A., Hatano, Shinji, Matsuda, Khoichi   +2 more
openaire   +2 more sources