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Hashemipour, S., Vasegh, N., Khaki Sedigh, A. (2018). Decentralized Model Reference Adaptive Control of Large Scale Interconnected Systems with Both State and Input Delays. AUT Journal of Modeling and Simulation, 50(1), 3-12. doi: 10.22060/miscj.2017.12239.5021
S. H. Hashemipour; N. Vasegh; A. Khaki Sedigh. "Decentralized Model Reference Adaptive Control of Large Scale Interconnected Systems with Both State and Input Delays". AUT Journal of Modeling and Simulation, 50, 1, 2018, 3-12. doi: 10.22060/miscj.2017.12239.5021
Hashemipour, S., Vasegh, N., Khaki Sedigh, A. (2018). 'Decentralized Model Reference Adaptive Control of Large Scale Interconnected Systems with Both State and Input Delays', AUT Journal of Modeling and Simulation, 50(1), pp. 3-12. doi: 10.22060/miscj.2017.12239.5021
Hashemipour, S., Vasegh, N., Khaki Sedigh, A. Decentralized Model Reference Adaptive Control of Large Scale Interconnected Systems with Both State and Input Delays. AUT Journal of Modeling and Simulation, 2018; 50(1): 3-12. doi: 10.22060/miscj.2017.12239.5021

Decentralized Model Reference Adaptive Control of Large Scale Interconnected Systems with Both State and Input Delays

Article 1, Volume 50, Issue 1, Winter and Spring 2018, Page 3-12  XML PDF (573 K)
Document Type: Research Article
DOI: 10.22060/miscj.2017.12239.5021
Authors
S. H. Hashemipour 1; N. Vasegh2; A. Khaki Sedigh3
1Department of Electrical Engineering, Roudsar and Amlash Branch, Islamic Azad University, Roudsar, Iran.
2Department of Electrical Engineering, ShahidRajaee Teacher Training University, Tehran, Iran.
3Department of Electrical Engineering, K. N Toosi University of Technology, Tehran, Iran.
Abstract
In this paper, the problem of decentralized Model Reference Adaptive Control (MRAC) for interconnected large scale systems associated with time varying delays in state and input is investigated. The upper bounds of the interconnection terms are considered to be unknown. Time varying delays in the nonlinear interconnection terms are bounded and non-negative continuous functions and their derivatives are not necessarily less than one. Moreover, a simple and practical method based on periodic characteristics of the reference model is established to predict the future states and input delay compensation. It is shown that the solution of uncertain large-scale time-delay interconnected system converges uniformly exponentially to inside of a desired small ball. Simulation results of a chemical reactor system and a numerical example illustrate effectiveness of the proposed methods.
Keywords
Interconnected system; MRAC; State and input delays
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