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Finite-time output feedback control for a class of second-order nonlinear systems with application to DC–DC buck converters

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Abstract

The problem of output feedback control for a class of second-order nonlinear systems is investigated in this paper. Using the techniques of finite-time control and finite-time convergent observer, an observer-based finite-time output feedback controller is proposed which can guarantee that the system’s state converges to the equilibrium in a finite time. As an application of the proposed theoretical results, the problem of finite-time control without current signal for the DC–DC buck converters is solved. Simulation results are given to demonstrate the effectiveness of the proposed method.

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Acknowledgments

This work is supported by the Natural Science Foundation of China (61304007), the National Natural Science Funds of China for Distinguished Young Scholar (50925727), Key Grant Project of Chinese Ministry of Education (313018), Natural Science Foundation of Anhui Province (1308085QF106), and Ph.D. Programs Foundation of Ministry of Education of China (20130111120007).

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Authors and Affiliations

  1. School of Electrical Engineering and Automation, Hefei University of Technology, Hefei , 230009, Peoples Republic of China

    Haibo Du, Yingying Cheng & Yigang He

  2. Department of Electrical and Computer Engineering, California State University at Northridge, Northridge, CA , 91330, USA

    Ruting Jia

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  1. Haibo Du
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  2. Yingying Cheng
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  3. Yigang He
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Correspondence to Haibo Du.

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Du, H., Cheng, Y., He, Y. et al. Finite-time output feedback control for a class of second-order nonlinear systems with application to DC–DC buck converters. Nonlinear Dyn 78, 2021–2030 (2014). https://doi.org/10.1007/s11071-014-1593-9

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  • DOI: https://doi.org/10.1007/s11071-014-1593-9

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