Optimum regulation of sampled-data processes

Autor:	P. H. Phillipson
Rok vydání:	1975
Předmět:	Mathematical optimization Control and Systems Engineering Control theory Exponential smoothing Regulator Process (computing) Inverse Imperfect Stability (probability) Computer Science Applications Mathematics Sign (mathematics)
Zdroj:	International Journal of Control. 21:785-793
ISSN:	1366-5820 0020-7179
DOI:	10.1080/00207177508922033
Popis:	An optimum regulator for a minimum-phase, stable, single-input single-output sampled-data process with delay and subject to disturbances is defined in terms of an inverse model and a predictor For the disturbances. It can be viewed as a modified Smith controller for dead-time processes. The optimum control system is discussed and criticized. It is shown that the use of exponential smoothing for prediction has the advantages of integral control, guaranteed controller stability and guaranteed system stability for appropriate choice of smoother parameter provided in the last case that the steady-state gains of the process and of an imperfect model are of the same sign.
Databáze:	OpenAIRE
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