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Proceedings Paper

A multidirectional capacitive proximity sensor array
Author(s): Jiang Long; Bingnan Wang
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Paper Abstract

This paper presents a multi-directional capacitive proximity sensor array based on band-stop filter. The band- stop filter is composed of four decoupled LC resonant circuits, so each stop band is determined by one capacitive sensor and its corresponding lumped inductor, respectively. Therefore, the change in capacitance can be obtained by measuring the change of the notches of the band-stop response. The filter is fabricated into a cubic shape for sensing different directions. Experiment results show that the fabricated sensor can detect objects coming from all four directions simultaneously by measuring the transmission at frequencies near four notches.

Paper Details

Date Published: 4 June 2014
PDF: 8 pages
Proc. SPIE 9116, Next-Generation Robots and Systems, 911609 (4 June 2014); doi: 10.1117/12.2053314
Show Author Affiliations
Jiang Long, Mitsubishi Electric Research Labs. (United States)
Univ. of California, San Diego (United States)
Bingnan Wang, Mitsubishi Electric Research Labs. (United States)


Published in SPIE Proceedings Vol. 9116:
Next-Generation Robots and Systems
Dan O. Popa; Muthu B. J. Wijesundara, Editor(s)

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