Abstract
In this chapter, we consider the problem of H ∞ almost disturbance decoupling for general discrete-time plants whose subsystems are allowed to have invariant zeros on the unit circle of the complex plane. The stability region of a discrete-time system considered in this chapter is defined as usual as the open unit disc. In contrast to the continuous-time case, the problem of almost disturbance decoupling for general discrete-time systems is less studied in the literature. In 1996, Chen, Guo and Lin [17] gave a set of solvability conditions for the H ∞-ADDPMS for the special case when a given plant whose subsystems do not have invariant zeros on the unit circle. Only very recently, has the necessary and sufficient conditions under which the H ∞-ADDPMS for general discrete-time systems been derived by Chen, He and Chen [18]. Solutions to such a general problem have just been reported by Lin and Chen [65]. The results of [18] and [65] form the core of this chapter.
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© 1998 Springer-Verlag Berlin Heidelberg
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Chen, B.M. (1998). Discrete-time H ∞ Almost Disturbance Decoupling. In: H ∞ Control and Its Applications. Lecture Notes in Control and Information Sciences, vol 235. Springer, London. https://doi.org/10.1007/978-1-84628-529-5_10
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DOI: https://doi.org/10.1007/978-1-84628-529-5_10
Publisher Name: Springer, London
Print ISBN: 978-1-85233-026-2
Online ISBN: 978-1-84628-529-5
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