システム制御情報学会論文誌
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
多重ループ型セルフチューニングPID制御系の一設計
山本 透Sirish L. SHAH
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1998 年 11 巻 4 号 p. 163-171

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In this paper, a new multiloop self-tuning PID controller design scheme is proposed. The proposed control scheme has a static matrix pre-compensator in order to reduce the interaction terms of the process transfer function matrix. The static matrix pre-compensator is adjusted by an on-line estimator. The p×p pre-compensated system is then controlled via 'p' self-tuning PID controllers, whose parameters are adjusted by a second identifier placed around the pre-compensated plant. The PID parameters are calculated on-line based on the relationship between the PID control and generalized minimum variance control laws. The proposed scheme is experimentally evaluated on a 2×2 temperature plus level control system. Experimental results illustrate the effectiveness of the new scheme.

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