Article

A μ-based optimal finite-word-length controller design

State Key Lab of Industrial Control Technology, Institute of Advanced Process Control, Zhejiang University, Hangzhou 310027, China; College of Information Engineering, Zhejiang University of Technology, Hangzhou 310014, China; School of Electronics and Computer Science, University of Southampton, Southampton SO17 1BJ, UK
Automatica DOI:10.1016/j.automatica.2008.05.007 pp.3093-3099

ABSTRACT A novel optimal Finite Word Length (FWL) controller design is proposed in the framework of μ theory. A computationally tractable close-loop stability measure with FWL implementation considerations of the controller is derived based on the μ theory, and the optimal FWL controller realizations are obtained by solving the resulting optimal FWL realization problem using linear matrix inequality techniques.

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Keywords

computationally tractable close-loop stability measure
 
linear matrix inequality techniques
 
novel optimal Finite Word Length
 
optimal FWL controller realizations
 
resulting optimal FWL realization problem
 
μ theory