Results 71 to 80 of about 1,208,461 (150)

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

open access: yesSensors, 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   +4 more
doaj   +1 more source

Foam-machining tool with eddy-current transducer [PDF]

open access: yes, 1975
Three-cutter machining system for foam-covered tanks incorporates eddy-current sensor. Sensor feeds signal to numerical controller which programs rotational and vertical axes of sensor travel, enabling cutterhead to profile around tank ...
Copper, W. P.
core   +1 more source

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

open access: yesSensors, 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

Extending the GMR Current Measurement Range with a Counteracting Magnetic Field

open access: yesSensors, 2013
Traditionally, current transformers are often used for current measurement in low voltage (LV) electrical networks. They have a large physical size and are not designed for use with power electronic circuits.
Tin Yan Poon   +2 more
doaj   +1 more source

Comparative evaluation of various GPS-free localization algorithm for wireless sensor networks [PDF]

open access: yes, 2004
Wireless Sensor Networks (WSN) are tremendously being used in different environments to perform various monitoring tasks such as search, rescue, disaster relief, target tracking and a number of tasks in smart environments.
Musbahi, Amal Mustafa
core  

DC Electrical Control Circuit Monitoring Technology of CRH2 EMUs

open access: yes机车电传动, 2016
Aim at the existing problem that CRH2 DC electrical control circuit sporadic fault during operation couldnot be quickly located, an online monitoring scheme based on phase difference between magnetic modulation technology without changing the original ...
GUO Xu   +3 more
doaj  

Effective use of product quality information in meat processing [PDF]

open access: yes, 2011
This paper presents a case study on use of advanced product quality information in meat processing. To serve segmented customer demand meat processors consider use of innovative sensor technology to sort meat products to customer orders.
Rijpkema, W   +2 more
core  

Study of compact and broad spectrum coil by the laminated substrates structure

open access: yesNihon Kikai Gakkai ronbunshu, 2015
We develop compact and broad spectrum coil for application of the current sensor. We propose the laminated substrates type coil using PALAP (Patterned prepreg Lay up Process) substrates excellent in high frequency characteristics and miniaturization, and
Youichirou SUZUKI   +4 more
doaj   +1 more source

Nanowire Zinc Oxide MOSFET Pressure Sensor [PDF]

open access: yes, 2014
Fabrication and characterization of a new kind of pressure sensor using self-assembly Zinc Oxide (ZnO) nanowires on top of the gate of a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) is presented. Self-assembly ZnO nanowires were fabricated
Clavijo, William
core   +1 more source

Research and Application of Key Thermal Analysis Technologies for Wide-Range Current Sensors in PV Strings

open access: yesKongzhi Yu Xinxi Jishu
The increasing power of inverters for photovoltaic (PV) strings imposes higher requirements for the thermal design of maximum power point tracking (MPPT) current sensors.
REN Hao   +4 more
doaj  

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