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On necessary assumptions in discrete-time model reference adaptive control

✍ Scribed by Daniel E. Miller

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
628 KB
Volume
10
Category
Article
ISSN
0890-6327

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✦ Synopsis

In this paper we investigate the discrete-time model reference adaptive control problem, ascertain the extent to which the classical assumptions are necessary and provide several suitably modified inviolable requirements. In particular, we show that under a closed-loop causality constraint the problem is solvable only ifthere is an upper bound on the plant relative degree and the plant zeros outside the open unit disc lie in a finite set. We also derive a bound on the achievable asymptotic performance in the event that these requirements are not met.

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