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research-article

Decentralized MRAC for large scale interconnected systems with state and input delays by integrators inclusion

[+] Author and Article Information
Seyed Hamid Hashemipour

Department of Electrical Engineering, Young Researcher Club, Roudsar and Amlash Branch, Islamic Azad University, Tehran, Iran
h.hashemipour@srbiau.ac.ir

Nastaran Vasegh

Department of Electrical Engineering, ShahidRajaee Teacher Training University, Tehran, Iran
n.vasegh@srttu.edu

Ali Khaki Sedigh

Department of Electrical Engineering, K. N.Toosi University of Technology, Tehran, Iran
sedigh@kntu.ac.ir

1Corresponding author.

ASME doi:10.1115/1.4036233 History: Received May 24, 2016; Revised February 23, 2017

Abstract

This paper investigates the problem of decentralized model reference adaptive control (MRAC) for a class of large scale systems with time varying delays in the interconnected terms and state and input delays. The upper bounds of interconnection terms with time-varying delays and external disturbances are assumed to be completely unknown. By integrators inclusion a dynamic input delay compensator is established for input delay compensation and it is used as a practical method for state calculation x(t+R). Also, a method is presented for a class of decentralized feedback controllers, which can evolve the closed-loop system error uniformly bounded stable. As a numerical example, the proposed technique is applied to an unstable open loop system to show the feasibility and effectiveness of the method.

Copyright (c) 2017 by ASME
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