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Adaptive Compensation of Biased Sinusoidal Disturbances with Unknown Frequency

Authors:Bobtsov Alexey, SPb SU IFMO, Russian Federation
Kremlev Artem, SPb SU IFMO, Russian Federation
Topic:1.1 Modelling, Identification & Signal Processing
Session:Recursive Estimation Methods
Keywords: adaptive algorithms, disturbance rejection, linear systems, decision feedback, output regulation, observers, single-input/single-output systems

Abstract

The problem of designing an output feedback compensator for any biased sinusoidal disturbance is considered. In this paper, we will develop the approach presented in (Marino et al., 2003). In (Marino et al., 2003) a compensator of order (2n+6) is proposed, which solves the posed problem by using the adaptive observers developed in (Marino and Tomei, 1995; Marino et al., 2001). This problem is solved by a (n+4)-order compensator.