ENHANCEMENT OF ROBUST TRACKING PERFORMANCE VIA SWITCHING SUPERVISORY ADAPTIVE CONTROL

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NAMAKI SHOUSHTARI O.; KHAKI SEDIGH A.

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Paper Information

Journal: IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING Year:2012 | Volume:8 | Issue:1 Page(s): 28-36

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Information Journal Paper

Title

ENHANCEMENT OF ROBUST TRACKING PERFORMANCE VIA SWITCHING SUPERVISORY ADAPTIVE CONTROL

Author(s)

NAMAKI SHOUSHTARI O. | KHAKI SEDIGH A. | Issue Writer Certificate

Keywords

SWITCHING SUPERVISORY ADAPTIVE CONTROL

ROBUST CONTROL

QUANTITATIVE FEEDBACK THEORY

Abstract

When the process is highly uncertain, even linear minimum phase systems must sacrifice desirable feedback control benefits to avoid an excessive ‘cost of feedback’, while preserving the robust stability. In this paper, the control structure of supervisory based switching QUANTITATIVE FEEDBACK THEORY (QFT) control is proposed to control highly uncertain plants. According to this strategy, the uncertainty region is suitably divided into smaller regions. It is assumed that a QFT controller-prefilter exits for robust stability and robust performance of the individual uncertain sets. The proposed control architecture is made up by these local controllers, which commute among themselves in accordance with the decision of a high level decision maker called the supervisor. The supervisor makes the decision by comparing the candidate local model behavior with the one of the plant and selects the controller corresponding to the best fitted model. A hysteresis switching logic is used to slow down switching for stability reasons. Besides, each controller is designed to be stable in the whole uncertainty domain, and as accurate in command tracking as desired in its uncertainty subset to preserve the robust stability from any failure in the switching.

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APA: Copy

NAMAKI SHOUSHTARI, O., & KHAKI SEDIGH, A.. (2012). ENHANCEMENT OF ROBUST TRACKING PERFORMANCE VIA SWITCHING SUPERVISORY ADAPTIVE CONTROL. IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING, 8(1), 28-36. SID. https://sid.ir/paper/299852/en

Vancouver: Copy

NAMAKI SHOUSHTARI O., KHAKI SEDIGH A.. ENHANCEMENT OF ROBUST TRACKING PERFORMANCE VIA SWITCHING SUPERVISORY ADAPTIVE CONTROL. IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING[Internet]. 2012;8(1):28-36. Available from: https://sid.ir/paper/299852/en

IEEE: Copy

O. NAMAKI SHOUSHTARI, and A. KHAKI SEDIGH, “ENHANCEMENT OF ROBUST TRACKING PERFORMANCE VIA SWITCHING SUPERVISORY ADAPTIVE CONTROL,” IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING, vol. 8, no. 1, pp. 28–36, 2012, [Online]. Available: https://sid.ir/paper/299852/en

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