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Sampled-data output voltage regulation for a DC–DC buck converter nonlinear system with actuator and sensor failures

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Abstract

This paper considers the regulation problem for a DC–DC buck converter nonlinear system with uncertain components and actuator and sensor failures. We establish a novel reduced-order observer to estimate the unmeasured state. Then, a new fault-tolerant sampled-data controller with an allowable sampling period is constructed to guarantee that the output voltage of the DC–DC buck converter nonlinear system can tend to the desired voltage. Finally, simulation results are presented to demonstrate the effectiveness of the proposed method.

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Funding

The funding was provided by National Natural Science Foundation of China (Grant No. 61873128).

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Authors and Affiliations

  1. School of Automation, Nanjing University of Science and Technology, Nanjing, 210094, China

    Jing Zhang, Shi Li & Zhengrong Xiang

  2. School of Electrical Engineering, Korea University, Seoul, 136-701, South Korea

    Choon Ki Ahn

Authors
  1. Jing Zhang
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  2. Shi Li
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  3. Choon Ki Ahn
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  4. Zhengrong Xiang
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Correspondence to Choon Ki Ahn or Zhengrong Xiang.

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Zhang, J., Li, S., Ahn, C.K. et al. Sampled-data output voltage regulation for a DC–DC buck converter nonlinear system with actuator and sensor failures. Nonlinear Dyn 99, 1243–1252 (2020). https://doi.org/10.1007/s11071-019-05350-6

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  • DOI: https://doi.org/10.1007/s11071-019-05350-6

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