Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0005-1098(01)00198-4
Title: Robust and perfect tracking of discrete-time systems
Authors: Chen, B.M. 
Lin, Z.
Liu, K.
Keywords: Control Systems
Discrete-time systems
Disturbance rejection
Robust control
Tracking
Issue Date: Feb-2002
Source: Chen, B.M., Lin, Z., Liu, K. (2002-02). Robust and perfect tracking of discrete-time systems. Automatica 38 (2) : 293-299. ScholarBank@NUS Repository. https://doi.org/10.1016/S0005-1098(01)00198-4
Abstract: We study in this paper the problem of robust and perfect tracking for discrete-time linear multivariable systems. By robust and perfect tracking, we mean the ability of a controller to track a given reference signal with arbitrarily small settling time in the face of external disturbances and initial conditions. A set of necessary and sufficient conditions under which the proposed problem is solvable is obtained and, under these conditions, constructive algorithms are given that yield the required solutions. As is general to discrete-time systems, the solvability conditions to the above problem are quite restrictive. To relax these conditions, we propose an almost perfect tracking scheme, which is capable of tracking references precisely after certain initial steps. © 2001 Elsevier Science Ltd. All rights reserved.
Source Title: Automatica
URI: http://scholarbank.nus.edu.sg/handle/10635/57291
ISSN: 00051098
DOI: 10.1016/S0005-1098(01)00198-4
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