On stability and performance of sampled-data systems subject to wordlength constraint

In this paper we study the effects of finite-precision controller implementation on the stability and performance of sampled-data systems. A framework is presented in which these effects can be analyzed from a statistical point of view. We analyze the behavior of finite-precision controllers at fast...

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Bibliographic Details
Published in:IEEE transactions on automatic control 1994-12, Vol.39 (12), p.2476-2481
Main Authors: Fialho, I.J., Georgiou, T.T.
Format: Article
Language:English
Subjects:
Applied sciences
Computer science
control theory
systems
Control system analysis
Control systems
Control theory. Systems
Digital arithmetic
Digital control
Error correction
Exact sciences and technology
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Robust control
Robust stability
Sampling methods
Uncertainty
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Summary:In this paper we study the effects of finite-precision controller implementation on the stability and performance of sampled-data systems. A framework is presented in which these effects can be analyzed from a statistical point of view. We analyze the behavior of finite-precision controllers at fast sampling rates and consider the problem of /spl Lscr//sub 2/-induced norm minimization, subject to a wordlength constraint.< >
ISSN:0018-9286
1558-2523
DOI:10.1109/9.362844