Journal of Electrical Engineering and Technology

  • 제7권3호
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  • Pages.420-428
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  • 2012
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  • 1975-0102(pISSN)
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  • 2093-7423(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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Intelligent Digital Redesign for Nonlinear Interconnected Systems using Decentralized Fuzzy Control

  • Koo, Geun-Bum (Dept. of Electrical and Electronic Engineering, Yonsei University) ;
  • Park, Jin-Bae (Dept. of Electrical and Electronic Engineering, Yonsei University) ;
  • Joo, Young-Hoon (Dept. of Control and Robotics Engineering, Kunsan National University)
  • 투고 : 2010.11.19
  • 심사 : 2012.03.02
  • 발행 : 2012.05.01
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초록

In this paper, a novel intelligent digital redesign (IDR) technique is proposed for the nonlinear interconnected systems which can be represented by a Takagi-Sugeno (T-S) fuzzy model. The IDR technique is to convert a pre-designed analog controller into an equivalent digital one. To develop this method, the discretized models of the analog and digital closed-loop system with the decentralized controller are presented, respectively. Using these discretized models, the digital decentralized control gain is obtained to minimize the norm between the state variables of the analog and digital closed-loop systems and stabilize the digital closed-loop system. Its sufficient conditions are derived in terms of linear matrix inequalities (LMIs). Finally, a numerical example is provided to verify the effectiveness of the proposed technique.

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참고문헌

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피인용 문헌

  1. Decentralised control for large-scale sampled-data systems: digital redesign approach vol.88, pp.11, 2015, https://doi.org/10.1080/00207179.2015.1015170
  2. Sampled-data control of fuzzy systems based on the intelligent digital redesign technique: an input-delay approach 2018, https://doi.org/10.1007/s12555-017-0268-y
  3. On the Fuzzy Model Predictive Control of Interconnected Nonlinear Systems vol.42, pp.7, 2017, https://doi.org/10.1007/s13369-016-2412-z
  4. Sampled-Data Observer-Based Decentralized Fuzzy Control for Nonlinear Large-Scale Systems vol.11, pp.3, 2016, https://doi.org/10.5370/JEET.2016.11.3.724