NASA NTRS · 19910000141
Improved Notch Filter For Synchronous-Response Control
Abstract
Tracking differential-notch filter (TDNF) developed to retain good synchronous-response performance of notch filter, but with vastly improved stability properties. Measurement error perfectly filtered from feedback signal used to drive compensator. Provides good stability of simple lead/lag compensator combined with good synchronous-response performance gained by addition of notch filter.
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Johnson, Bruce G., Downer, James R., Eisenhaure, David B., Hockney, Richard, Misovec, Kathleen. 1991-04-01. Improved Notch Filter For Synchronous-Response Control. https://ntrs.nasa.gov/citations/19910000141
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