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Design optimization of glass-embedded capacitive-type water sensors

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2 Author(s)
N. Boules ; Gen. Motors Res. Lab., Warren, MI, USA ; T. W. Nehl

Capacitors consisting of oppositely charged inductor bars sandwiched between two parallel plates of glass are well suited for applications requiring the detection of water. The sensitivity to water on the glass surface is a complication function of both the geometry and dielectric properties of the sensor and its environment. A closed-form analytical model suitable for use in the optimization of such sensors is presented. The model is successfully applied to the design optimization of an example and is verified using a finite-different model and test results

Published in:

IEEE Transactions on Industry Applications  (Volume:24 ,  Issue: 3 )