DESIGN OF SUPERVISORY BASED SWITCHING QFT CONTROLLERS WITH BUMPLESS TRANSFER

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NAMAKI SHOUSHTARI O.; KHAKI SEDIGH A.

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Journal: Journal of Control Year:2011 | Volume:4 | Issue:4 Page(s): 51-61

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Information Journal Paper

Title

DESIGN OF SUPERVISORY BASED SWITCHING QFT CONTROLLERS WITH BUMPLESS TRANSFER

Author(s)

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

Keywords

SWITCHING SUPERVISORY ADAPTIVE CONTROLQ3

ROBUST CONTROLQ2

QFTQ3

BUMPLESS TRANSFERQ3

Abstract

In this paper, the problem of supervisory based switching Quantitative Feedback Theory (QFT) control is proposed for the control of highly uncertain plants. In the proposed strategy, the uncertainty region is divided into smaller regions with a nominal model. It is assumed that a QFT controller-prefilter exists for robust stability and performance of the smaller uncertainy subsets. 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 compares the candidate local model behaviors with the one of the real plant and selects the controller corresponding to the best fitted model. A hysteresis switching logic is used to slow down switching for stability reasons. It is shown that this strategy improves closed loop performance, and can also handle the uncertainty sets that cannot be tackled by a single QFT ROBUST CONTROLler. The multirealization technique to implement a family of controllers is employed to achieve BUMPLESS TRANSFER. Simulation results show the effectiveness of the proposed methodology.

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APA: Copy

NAMAKI SHOUSHTARI, O., & KHAKI SEDIGH, A.. (2011). DESIGN OF SUPERVISORY BASED SWITCHING QFT CONTROLLERS WITH BUMPLESS TRANSFER. JOURNAL OF CONTROL, 4(4), 51-61. SID. https://sid.ir/paper/120797/en

Vancouver: Copy

NAMAKI SHOUSHTARI O., KHAKI SEDIGH A.. DESIGN OF SUPERVISORY BASED SWITCHING QFT CONTROLLERS WITH BUMPLESS TRANSFER. JOURNAL OF CONTROL[Internet]. 2011;4(4):51-61. Available from: https://sid.ir/paper/120797/en

IEEE: Copy

O. NAMAKI SHOUSHTARI, and A. KHAKI SEDIGH, “DESIGN OF SUPERVISORY BASED SWITCHING QFT CONTROLLERS WITH BUMPLESS TRANSFER,” JOURNAL OF CONTROL, vol. 4, no. 4, pp. 51–61, 2011, [Online]. Available: https://sid.ir/paper/120797/en

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