Results 61 to 70 of about 37,398 (308)

Self-Commissioning Algorithm for Inverter Non-Linearity Compensation in Sensorless Induction Motor Drives [PDF]

open access: yes, 2010
In many sensorless field-oriented control schemes for induction motor (IM) drives, flux is estimated by means of measured motor currents and control reference voltages.
Armando, Eric Giacomo   +3 more
core   +1 more source

Fully Wireless and Flexible Valves for Multiplexed and Prolonged Intravesical Liquid Release

open access: yesAdvanced Healthcare Materials, EarlyView.
A fundamental mechanism for the simultaneous control of multiple magnetic valves is reported in a miniature soft robotic patch for intravesical drug delivery, enabling fully wireless and programmable liquid release. Integrated with a bioadhesive interface and induction‐coupling‐based liquid volume sensing, the soft robotic patch is promising to enable ...
Boyang Xiao   +5 more
wiley   +1 more source

Design of the Cooling System for Fully Enclosed Permanent Magnet Synchronous Traction Motor

open access: yesKongzhi Yu Xinxi Jishu, 2012
Due to the inherent characteristics of permanent magnet motor and the requirements as a traction motor, the cooling structure of permanent magnet synchronous traction motor should meet the requirements of high cooling capacity, high reliability, light ...
HE Siyuan
doaj  

Improved energy saving control of IPMSM based on the weighted average current method

open access: yesEnergy Reports, 2021
Aiming at the low efficiency of vector control system caused by unreasonable current allocation, an improved energy saving control strategy based on weighted average current method is proposed in this paper, and the research is carried out on the ...
Hanquan Zhang   +7 more
doaj   +1 more source

Analysis of steady-state error in torque current component control of PMSM drive [PDF]

open access: yes, 2017
The paper presents dynamic properties of a vector controlled permanent magnet synchronous motor drive supplied by a voltage source inverter. The paper deals with a control loop for the torque producing stator current.
Brandštetter, Pavel   +2 more
core   +2 more sources

Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine

open access: yesAdvanced Materials, EarlyView.
A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen   +5 more
wiley   +1 more source

Specificity of Permanent Magnet Synchronous Traction Motor

open access: yesKongzhi Yu Xinxi Jishu, 2012
Based on expounding the differences of working principle between permanent magnet synchronous traction motor and asynchronous traction motor and the description of stability for permanent magnet material, this paper analyzes the specificity of permanent ...
CHEN Zhichu, LI Yifeng, FU Minli
doaj  

Parameter optimization and characteristic analysis of tangentially magnetized reverse-salient permanent magnet synchronous motor

open access: yesDiscover Applied Sciences
Reverse-salient permanent magnet synchronous motors have reverse-salient characteristics, and the direct-axis inductance is larger than the quadrature-axis inductance. Compared with the traditional positive-salient permanent magnet synchronous motor, the
Shuang Che, Chunyan Li
doaj   +1 more source

Demagnetization Analysis and Optimization Design of Low-Speed High Torque Permanent Magnet Synchronous Motor

open access: yesIEEE Access
Permanent magnet synchronous motors are widely used in low-speed and high torque fields such as metallurgy and mining due to their advantages of high efficiency, high torque density, and high power density.
Weiliang Wu, Xiping Liu
doaj   +1 more source

Effect of winding harmonics on the asynchronous torque of a single-phase line start permanant-magnet motor [PDF]

open access: yes, 2005
This paper presents an analytical method for calculating the effect of winding harmonics on the asynchronous torque of a single-phase line-start permanent-magnet motor.
daSilva, C.   +5 more
core   +1 more source

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