The objective of this paper is to develop a robust decentralized observer-based feedback model reference tracking control approach for a class of nonlinear disturbed interconnected systems. The proposed H∞ control and observation design method is formulated within an optimization problem involving linear matrix inequalities (LMIs), efficiently solved by a one-step LMI procedure, to compute the decentralized observation and control gain matrices of each subsystem, and to attenuate the external disturbances affecting the subsystems by minimizing a H∞ performance criterion. A numerical simulation is highlighted on a power system with three-interconnected machines to demonstrate the effectiveness of the developed control approach despite the interconnections between different generators, nonlinearities in the system, and external disturbances.
Linear Matrix Inequality Robust Tracking Control Conditions for Nonlinear Disturbed Interconnected Systems
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received April 16, 2016; final manuscript received November 29, 2016; published online March 22, 2017. Assoc. Editor: Zongxuan Sun.
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Sghaier Tlili, A. (March 22, 2017). "Linear Matrix Inequality Robust Tracking Control Conditions for Nonlinear Disturbed Interconnected Systems." ASME. J. Dyn. Sys., Meas., Control. June 2017; 139(6): 061002. https://doi.org/10.1115/1.4035404
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