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Linearization of the output of a Wheatstone bridge for single active sensor
T. Geetha, Panchapagesa Sankaran, V. Jagadeesh Kumar
Published in
2008
Pages: 25 - 29
Abstract
The output of a Wheatstone bridge with only a single active resistive sensor is inherently nonlinear. A generalized feedback compensation scheme is presented in this paper that provides a linear output for a Wheatstone bridge with only a single active resistive sensor, even for large variations in the resistance of the sensor. Simulation studies and experimental verifications establish the efficacy of the proposed linearization technique. The proposed method is best suited for single active resistive sensors involving Resistive Temperature Devices (RTD) and piezo-resistive type sensors possessing large range of variation.
About the journal
Journal16th IMEKO TC4 Int. Symp.: Exploring New Frontiers of Instrum. and Methods for Electrical and Electronic Measurements; 13th TC21 Int. Workshop on ADC Modelling and Testing - Joint Session, Proc.
Open AccessNo
Concepts (11)
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    Experimental verification
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    FEEDBACK COMPENSATION
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    LINEAR OUTPUT
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    Linearization technique
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    Piezo-resistive
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    RESISTIVE SENSOR
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    Simulation studies
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    WHEATSTONE BRIDGES
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    Bridge circuits
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    Temperature measuring instruments
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    Sensors