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《Journal of Electron Devices》 2004-01
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Analyzing Electric Nonlinearity for Sensitivity in Pressure Sensors

SONG Qing-lin , SUN Yi-cai, DUO Xu-liang 1. State Key Laboratory of Transducer Technology, Institute of Electronics , Chinese Academy of Sciences , Beijing 100080, China; 2. Hebei University of Technology, Tianjin, 300130, China; 3. Tianjin Research and Design Institute of Chemical Industry, Tianjin 300130, China  
That the pressure signal is not linear with input voltage for pressure sensors found in experiments. The phenomenon is called electric nonlinearity for sensitivity. The nonlinear resistors, forming the bridge in pressure sensor, are influenced by temperature, input voltage and pressure together. And a muti-dimension model for nonlinear resistors is put forward. According to the model, the reasons for electric nonlinearity for sensitivity aro analyzed. This paper points out that the equivalent functions of nonlinear resistors in the circuit can be simulated by a voltage-controlled source and its expansion function, showing the behavior of electric nonlinearity for sensitivity.
【Fund】: 国家“973”项目(G1999033102);; 国家自然科学基金(69672015)
【CateGory Index】: TP212.1
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 ;Using the Program PSPICE to Analyze the Nonlinear Resistor Bridge Circuit of Pressure Sensors[J];Sensor World;2000-04
2 ;How to Choose Activating Power Supply for Pressure Sensor[J];Sensor World;2000-09
3 SUN Yi-cai, SONG Qing-lin, ZHANG Xiu-feng, LI Jian-tao (Hebei University of Technology. Tianjin 300130);Simulating the Properties of Electric and Thermal Drift of the Bridge Offset of Pressure Sensors[J];JOURNAL OF ELECTRON DEVICES;2000-02
【Co-citations】
Chinese Journal Full-text Database 6 Hits
1 ;The Theoretical Analysis forInfluence of the Applied and Bridge Voltage on the Null Point and Sensitivity for Pressure Sensors[J];Sensor World;2001-03
2 ;Discussion About The Electric Drift Of The Bridge Offset Output For Pressure Sensor As One Of Performance Parameters[J];Sensor World;2002-04
3 SUN Yi cai 1,FAN Zhao shu 1,MENG Qing hao 1,FAN Zhi xin 1,SUN Bing 2 (1 College of Electricity and Information,Hebei University of Technology,Tianjin 300130,China 2 Tianjin Institute of Metrology,Tianjin 300192,China);The Property of Electric Drift of Null Point Output for the Pressure Sensors Excited by a Self-balanced Bridge[J];ACTA ELECTRONICA SINICA;2000-11
4 SUN Yi-cai,FAN Zhao-shu,FAN Zhi-xin (School of Electrical Enginnering and Information Technology, Hebei University of Technology,Tianjin 300130,China;Literatrue and theory college,Hebei University of Technology,Tianjin 300130,China );Theoretical Analysis for Influence of the Applied and Bridge Voltage on Null Point and Sensitivity for Pressure Sensors[J];Journal of Hebei University of Technology;2001-02
5 ZHAO Wei-ping,SUN Yi-cai,GONG Yun-mei,CHANG Bin(College of Information Engineering,Hebei University of Technology,Tianjin 300130,China);The Problems About Electric Drift of the Offset and Reverse Leakage Current for Pressure Sensors[J];Journal of Taiyuan University of Technology;2006-04
6 ;Matlab Software Based Implementation of Pressure Value Analytic Algorithm of Transducer[J];Process Automation Instrumentation;2003-08
【Co-references】
Chinese Journal Full-text Database 10 Hits
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【Secondary Citations】
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