✦ LIBER ✦

LONG-RANGE PREDICTIVE CONTROL WITH STEADY STATE ERROR WEIGHTING

✍ Scribed by K. EZRA KWOK; SIRISH L. SHAH

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 304 KB
Volume: 11
Category: Article
ISSN: 0890-6327
DOI: 10.1002/(sici)1099-1115(199705)11:3<201::aid-acs429>3.0.co;2-0

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✦ Synopsis

The long-range predictive control strategy is extended to include a terminal matching condition so that the final control law minimizes the squares of prediction errors over a small future prediction horizon and at steady state. The weighting on the terminal condition is a better alternative than a large prediction horizon, which requires a heavy computational load. It also leads to the formulation of an approximate longrange predictive controller with knowledge of only a few initial step response coefficients and the steady state gain. Evaluations of steady state error weighting show that the weighting provides similar effects to ordinary control weighting but in addition has the stabilizing effects of a large predictive control horizon. An adaptive version of this control strategy has been successfully applied to the control of mean arterial blood pressure.

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