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.
Improved Notch Filter For Synchronous-Response Control
NASA Tech Briefs ; 15 , 4
1991-04-01
Miscellaneous
No indication
English
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