Nano Science and Technology Institute
MSM 98
MSM 98
Technical Proceedings of the 1998 International Conference on Modeling and Simulation of Microsystems
Chapter 14: Applications: Hall Effect, Storage

High Performance Magnetic Field Smart Sensor Arrays with Source Separation

Authors:A. Paraschiv-Ionescu, C. Jutten, A.M. Ionescu, A. Chovet and A. Rusu
Affilation:LIS, FR
Pages:666 - 671
Keywords:Hall-device sensor array, source separation, cross-sensitivity cancellation, crosstalk cancellation, smart microsystem.
Abstract:A new approach to design high performance microsystems is proposed. It is based on the association between a low-cost sensor array and a multidimensional signal processing technique: the so-called 'blind source separation'. In order to illustrate the effectiveness of the method, we applied the source separation processing for a Hall-type silicon sensor array in order to cancel the temperature cross-sensitivity and spurious magnetic field sources crosstalk. A microsystem prototype including the Hall sensor array, conditionning electronics and a DSP running source separation algorithm is currently designed.
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