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A New Robust Decentralized Control Method for Interconnected Nonlinear Systems Based on State Extension and Adaptive Tracking

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DOI: 10.23977/iccsc.2017.1009


GU Zhifeng, WANG Yutong, YANG Guixin and CAO Man

Corresponding Author

GU Zhifeng


In this paper, a new nonlinear robust adaptive decentralized control for a class of large-scale interconnected system (LS-Inter-SYS) with the uncertain parameters and disturbances is proposed. By using the mean-value theorem of the multivariate function, the cross terms and the uncertain parts of the LS-Inter-SYS are extended to the new state variables and adaptive tracking estimated, then the LS-Inter-SYS can be divided into separated subsystems. Simulation results show that the new decentralized robust adaptive control method is effective and has the characteristics of universality, simplicity and rapidity by introducing the K-Class functions and additional control variable.


state extension and tracking, interconnected nonlinear system, robust decentralized control, decentralized L2 gain disturbance attenuation, state adaptive tracking.

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