Sliding-mode control, dynamic assessment and practical implementation of a bidirectional buck/boost DC-to-DC converter


Gee, A., Robinson, F. V. P. and Dunn, R. W., 2011. Sliding-mode control, dynamic assessment and practical implementation of a bidirectional buck/boost DC-to-DC converter. In: 2011 14th European Conference on Power Electronics and Applications, EPE 2011, August 30, 2011 - September 1, 2011, 2011-09-01. Piscataway, NJ: IEEE Computer Society, pp. 1-10.

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    Bidirectional power converters are frequently applied when interfacing energy-storage devices such as supercapacitors, uninterruptible-power-supply batteries and generators, electric-vehicle motors and renewable-energy-system generators. This paper presents a bidirectional half bridge DC/DC converter, featuring a novel sliding-mode controller, input and output short-circuit protection and a wide input voltage operating range. The ability to achieve step-up or step-down voltage conversion and accommodate a wide input voltage variation makes this design particularly useful for interfacing energy storage devices whose voltage varies widely with state of charge such as supercapacitor modules. The control theory and design methodology are described and converter performance is assessed at realistic operating levels by simulation and experiment. Benefits are shown to include good performance over a wide range of operating conditions and a relatively simple controller-hardware requirement.


    Item Type Conference or Workshop Items (UNSPECIFIED)
    CreatorsGee, A., Robinson, F. V. P. and Dunn, R. W.
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    DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
    Publisher StatementGee_EPE_2011.pdf: © 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    ID Code26795


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