Adaptive Control of a Chain of Integrators under Unknown Time-Varying Input Delay Using Noisy Output Feedback

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Sensor noise prevents the exact measurement of output, which makes it difficult to guarantee the ultimate bound of the actual output and states, which is smaller than the sensor noise amplitude. Even worse, the time-varying delay in the input does not guarantee the boundedness of the actual output and states under sensor noise. In this letter, our considered system is a chain of integrators in which time-varying delay exists in the input and there is an additive form of sensor noise in the output measurement. To guarantee the arbitrarily small ultimate bound of the actual output and states, we newly propose an adaptive output feedback controller whose gain is tuned on-line. The merits of our control method over the existing results are clearly shown in the example.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2014-08
Language
English
Article Type
Article
Keywords

NONLINEAR-SYSTEMS; STABILIZATION; ROBUST

Citation

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, v.E97A, no.8, pp.1795 - 1799

ISSN
1745-1337
DOI
10.1587/trnasfun.E97.A.1795
URI
http://hdl.handle.net/10203/193012
Appears in Collection
EE-Journal Papers(저널논문)
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