Results 51 to 60 of about 332,580 (160)

Sliding Mode Observer-Based Current Sensor Fault Reconstruction and Unknown Load Disturbance Estimation for PMSM Driven System

Sensors, 2017
This paper proposes a new scheme of reconstructing current sensor faults and estimating unknown load disturbance for a permanent magnet synchronous motor (PMSM)-driven system.
Kaihui Zhao, Peng Li, Changfan Zhang, Xiangfei Li, Jing He, Yuliang Lin   +5 more
doaj   +1 more source

Online Calibration Method for Current Sensors Based on GPS

Energies, 2019
At present, most sensor calibration methods are off-line calibration, which not only makes them time-consuming and laborious, but also causes considerable economic losses.
Shuang Zhao, Jun Liu, Yansong Li
doaj   +1 more source

Development of a Magnetostrictive FeNi Coated Surface Acoustic Wave Current Sensor

Applied Sciences, 2017
A magnetostrictive FeNi-coated surface acoustic wave (SAW)-based current sensor was proposed in this work. The weak remanence and hysteresis effect of the FeNi itself contributes to suppress the asymmetry in sensor response at increasing and decreasing ...
Jie Tong, Yana Jia, Wen Wang, Yang Wang, Shiyue Wang, Xinlu Liu, Yuqing Lei   +6 more
doaj   +1 more source

Hall Element Used in the Current Sensor

机车电传动, 2011
This paper took the Hall effect as a starting point to expound relationship of the Hall element structure, the driving circuit, the technical parameters, the pins and Hall iron core.
米哲涛, 曹雷
doaj  

PCB-Embedded Spiral Pattern Pick-Up Coil Current Sensor for WBG Devices

Energies, 2020
This paper proposes a current sensor for wide bandgap (WBG) devices. The current of a power semiconductor device is mainly measured using a Rogowski coil, an active current transformer, and a coaxial shunt resistor.
Hwa-Rang Cha, Kyeong-Mo Kim, Min-Soo Song, Rae-Young Kim   +3 more
doaj   +1 more source

Research on the Fault Diagnosis Technology for Direct-drive Wind Turbines Based on Characteristic Current

Kongzhi Yu Xinxi Jishu, 2018
Direct-drive wind turbines take a large share of wind power markets, in particular offshore wind power because of its simple structure, so that its fault diagnosis caused by adverse circumstances become research highlights.
LI Zhiyong, YU Jianfeng, CHEN Yougen, WEN Dazhao   +3 more
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Fiber‐Integrated Diamond Quantum Sensor for High‐Voltage Current Measurements

Advanced Sensor Research
In power network systems, there is an urgent demand for highly accurate and miniaturized sensors, owing to their high safety level and limited installation space.
Qihui Liu, Shaoxiong Nie, Xiao Peng, Yaochen Zhu, Nan Wang, Yuqiang Hu, Xin Luo, Chun li, Maoheng Jing, Chunji Zhang, Wei Liu, Hao Chen, Jiangong Cheng, Zhenyu Wu   +13 more
doaj   +1 more source

Magnetoelectric Sensor Operating in d₁₅ Thickness-Shear Mode for High-Frequency Current Detection

Sensors
For the application of high-frequency current detection in power systems, such as very fast transient current, lightning current, partial discharge pulse current, etc., current sensors with a quick response are indispensable.
Fuchao Li, Jingen Wu, Sujie Liu, Jieqiang Gao, Bomin Lin, Jintao Mo, Jiacheng Qiao, Yiwei Xu, Yongjun Du, Xin He, Yifei Zhou, Lan Zeng, Zhongqiang Hu, Ming Liu   +13 more
doaj   +1 more source

Current Sensor Fault Diagnosis Based on a Sliding Mode Observer for PMSM Driven Systems

Sensors, 2015
This paper proposes a current sensor fault detection method based on a sliding mode observer for the torque closed-loop control system of interior permanent magnet synchronous motors.
Gang Huang, Yi-Ping Luo, Chang-Fan Zhang, Yi-Shan Huang, Kai-Hui Zhao   +4 more
doaj   +1 more source

A New Mirroring Circuit for Power MOS Current Sensing Highly Immune to EMI

Sensors, 2013
This paper deals with the monitoring of power transistor current subjected to radio-frequency interference. In particular, a new current sensor with no connection to the power transistor drain and with improved performance with respect to the existing ...
Orazio Aiello, Franco Fiori
doaj   +1 more source