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Proceedings Paper

A Digital Observer For Impact Drop Compensation
Author(s): Hidetoshi Umida; Masaki Ohara
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Paper Abstract

A high performance load torque observer for impact drop compensation of a motor drive system has been realized by using a digital signal processor (DSP). This observer unit realizes high speed response and low noise characteristics by the DSP's software. The software is constructed with three functions; An improved load torque observer for high speed estimation, a moving average filter for eliminating torque pulsation component caused by inequality in firing angles of converter arms, and a variable filter for reducing noise contained in the estimated load torque. Use of this observer unit with a motor drive system offers high stability and impact drop compensation effect.

Paper Details

Date Published: 1 January 1987
PDF: 7 pages
Proc. SPIE 0858, Signal Acquisition and Processing, (1 January 1987); doi: 10.1117/12.968270
Show Author Affiliations
Hidetoshi Umida, Fuji Electric Corporate Research and Development Ltd. (Japan)
Masaki Ohara, Fuji Electric Corporate Research and Development Ltd. (Japan)


Published in SPIE Proceedings Vol. 0858:
Signal Acquisition and Processing
Russell J. Niederjohn, Editor(s)

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