Title :
Covariance equation for a floating-point regulator system
Author :
Rink, R.E. ; Chong, H.Y.
Author_Institution :
University of Alberta, Edmonton, Alberta, Canada
fDate :
12/1/1979 12:00:00 AM
Abstract :
Derived are linear equations that can be solved for the steady-state covariance matrix of the plant and observer states of a closed-loop regulator system which employs finite wordlength A/D conversion and floating-point computation in the observer/controller subsystem. The covariances quantify the effects of finite wordlengths on system performance in the design of digital state regulator systems.
Keywords :
Covariance matrices; Digital control; Finite-wordlength effects; Floating-point arithmetic; Linear systems, time-invariant discrete-time; Observers; Regulators; State-feedback; Covariance matrix; Equations; Matrix converters; Optimized production technology; Power generation; Power generation economics; Power system interconnection; Regulators; Stochastic systems; Symmetric matrices;
Journal_Title :
Automatic Control, IEEE Transactions on
DOI :
10.1109/TAC.1979.1102198
