ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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9
Issue
vol 60 / SEPTEMBER, 2017
Article
UDC 681.5.015

REJECTION ALGORITHM FOR UNKNOWN SINUSOIDAL DISTURBANCE IN NONLINEAR SYSTEM WITH INPUT DELAY

A. A. Bobtsov
ITMO University, Saint Petersburg, 197101, Russian Federation; Dean, Head of Chair


A. A. Pyrkin
ITMO University, Saint Petersburg, 197101, Russian Federation; Professor


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Abstract.   A new approach to the problem of rejection of a sinusoidal disturbance of unknown frequency, bias,amplitude, and phase for a nonlinear unstable system with a delay in the control channel is considered. The proposed solution is based on combination of the well-known predictor feedback method with an adaptive scheme which identifies the disturbance frequency.
Keywords: control in delay conditions, predictor, sinusoidal disturbance.