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Organically Structured Control of Large-Scale Systems with Expanding Construction Based on State Observation

Author

Listed:
  • Li Xiaohua
  • Liu Xiaoping
  • Liu Yang
  • Gao Jiawang

Abstract

This paper presents a new method on the problem of organically structured control based on state observation for a class of large-scale systems with expanding construction. This problem is to design a local state feedback controller and an observer for a new subsystem which is added to a large-scale system without changing the decentralized state feedback control laws of the original construction, so that both the new subsystem and the resulting expanded system are robustly connectively stable. Firstly, based on state observers, the mathematical model of a large-scale system with expanding construction is reestablished and analyzed. In addition, the sufficient condition for robust decentralized connective stabilization of the expanded construction of large-scale systems is deduced by taking an LMI approach, which is further relaxed by removing the square matrix condition on the output matrix. This problem is transformed into solving an LMI problem. The new design method of an organically structured controller and observer for the expanded construction is also given. Finally, the simulation examples show the effectiveness of the proposed method.

Suggested Citation

  • Li Xiaohua & Liu Xiaoping & Liu Yang & Gao Jiawang, 2015. "Organically Structured Control of Large-Scale Systems with Expanding Construction Based on State Observation," Abstract and Applied Analysis, Hindawi, vol. 2015, pages 1-21, February.
    • Handle: RePEc:hin:jnlaaa:807202
    DOI: 10.1155/2015/807202
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