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Real-time, low cost embedded de-noising of motor position control signals

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2 Author(s)
Khorbotly, S. ; Ohio Northern Univ., Ada ; Carletta, J.E.

In feedback control system applications, sensor signals, often noisy, must be fed back to the controller under tight time constraints. Conventional de-noising methods were developed without considering delay, and are inappropriate for feedback loops. An embedded, short-delay signal de-noising system is suggested in this paper. The system is specifically designed to de-noise the position control signal for a sensorless switched reluctance motor, but can be extended to other applications. The results show that a significant noise reduction is achieved with a latency of 66 ns.

Published in:

Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on

Date of Conference:

5-8 Aug. 2007