TOWARDS A WIRELESS CHIP LESS SMART CURRENT SENSOR SYSTEM BASED ON GIANT MAGNETORESISTANCE

被引：0
|
作者：
Kondalkar, Vijay V. [1 ]
Li, Xiang [1 ]
Yang, Sang Sik [1 ]
Lee, Keekeun [1 ]
机构：
[1] Ajou Univ, Dept Elect & Comp Engn, Microsyst Lab, Suwon 443749, South Korea
来源：
2017 19TH INTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS, ACTUATORS AND MICROSYSTEMS (TRANSDUCERS) | 2017年
关键词：
Giant Magnetoresistance (GMR); Surface acoustic wave (SAW); Current sensor; Magnetic sensor;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Passive and remote current sensing technology has many potential applications in monitoring the real-time power usage in electric power distribution infrastructure. We present, the implementation and development of a stable highly sensitive, chip-less, wireless and battery free current sensor. The developed current sensor is consisting of mender structured Giant magnetoresistance (GMR) magnetic sensor for current sensing, one-port surface acoustic wave (SAW) reflective delay line as transponder to replace existing complex wireless transceiver system composed of thosunds of electronic components, two antennas, and a network analyser for measurement unit. Good linearity and sensitivity were observed at the amplitude variations in terms of current and sensor exhibits a sensitivity of 0.57 bB/A with a current sensing range 0 to 15 A. Coupling of Mode (COM) modelling simulations were also performed to predict device performance.
引用
收藏
页码：1092 / 1095
页数：4
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