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Sensors 2010, 10(9), 8424-8436; doi:10.3390/s100908424

Combined Simulation of a Micro Permanent Magnetic Linear Contactless Displacement Sensor

1
Graduate School Computational Engineering, TU Darmstadt, Dolivostraße 15, D-64293 Darmstadt Germany
2
Computational Electromagnetics Laboratory (TEMF), TU Darmstadt, Schloßgartenstraße 8, D-64289 Darmstadt Germany
3
Institute of Electromechanical Design (EMK), TU Darmstadt, Merckstraße 25, D-64283 Darmstadt Germany
*
Author to whom correspondence should be addressed.
Received: 11 June 2010 / Revised: 17 August 2010 / Accepted: 6 September 2010 / Published: 9 September 2010

Abstract

The permanent magnetic linear contactless displacement (PLCD) sensor is a new type of displacement sensor operating on the magnetic inductive principle. It has many excellent properties and has already been used for many applications. In this article a Micro-PLCD sensor which can be used for microelectromechanical system (MEMS) measurements is designed and simulated with the CST EM STUDIO® software, including building a virtual model, magnetostatic calculations, low frequency calculations, steady current calculations and thermal calculations. The influence of some important parameters such as air gap dimension, working frequency, coil current and eddy currents etc. is studied in depth. View Full-Text
Keywords: PLCD sensor; contactless displacement measurement; electromagnetic simulation; thermal analysis PLCD sensor; contactless displacement measurement; electromagnetic simulation; thermal analysis
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Gao, J.; Müller, W.F.; Greiner, F.; Eicher, D.; Weiland, T.; Schlaak, H.F. Combined Simulation of a Micro Permanent Magnetic Linear Contactless Displacement Sensor. Sensors 2010, 10, 8424-8436.

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