Phase Interrogation Used for a Wireless Passive Pressure Sensor in an 800 °C High-Temperature Environment
AbstractA wireless passive pressure measurement system for an 800 °C high-temperature environment is proposed and the impedance variation caused by the mutual coupling between a read antenna and a LC resonant sensor is analyzed. The system consists of a ceramic-based LC resonant sensor, a readout device for impedance phase interrogation, heat insulating material, and a composite temperature-pressure test platform. Performances of the pressure sensor are measured by the measurement system sufficiently, including pressure sensitivity at room temperature, zero drift from room temperature to 800 °C, and the pressure sensitivity under the 800 °C high temperature environment. The results show that the linearity of sensor is 0.93%, the repeatability is 6.6%, the hysteretic error is 1.67%, and the sensor sensitivity is 374 KHz/bar. The proposed measurement system, with high engineering value, demonstrates good pressure sensing performance in a high temperature environment. View Full-Text
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Zhang, H.; Hong, Y.; Liang, T.; Zhang, H.; Tan, Q.; Xue, C.; Liu, J.; Zhang, W.; Xiong, J. Phase Interrogation Used for a Wireless Passive Pressure Sensor in an 800 °C High-Temperature Environment. Sensors 2015, 15, 2548-2564.
Zhang H, Hong Y, Liang T, Zhang H, Tan Q, Xue C, Liu J, Zhang W, Xiong J. Phase Interrogation Used for a Wireless Passive Pressure Sensor in an 800 °C High-Temperature Environment. Sensors. 2015; 15(2):2548-2564.Chicago/Turabian Style
Zhang, Huixin; Hong, Yingping; Liang, Ting; Zhang, Hairui; Tan, Qiulin; Xue, Chenyang; Liu, Jun; Zhang, Wendong; Xiong, Jijun. 2015. "Phase Interrogation Used for a Wireless Passive Pressure Sensor in an 800 °C High-Temperature Environment." Sensors 15, no. 2: 2548-2564.