Volume 14, Issue 1 (March 2018)                   IJEEE 2018, 14(1): 69-84 | Back to browse issues page

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Safari A, Ardi H. Sliding Mode Control of a Bidirectional Buck/Boost DC-DC Converter with Constant Switching Frequency. IJEEE 2018; 14 (1) :69-84
URL: http://ijeee.iust.ac.ir/article-1-1177-en.html
Sliding Mode Control of a Bidirectional Buck/Boost DC-DC Converter with Constant Switching Frequency
A. Safari , H. Ardi
Abstract:   (4804 Views)
In this paper, sliding mode control (SMC) for a bidirectional buck/boost DC-DC converter (BDC) with constant frequency in continuous conduction mode (CCM) is discussed. Since the converter is a high-order converter, the reduced-order sliding manifold is exploited. Because of right-half-plan zero (RHPZ) in the converter’s duty ratio to output voltage transfer function, sliding mode current controller is used. This controller benefits from various advantages such as fast dynamic response, robustness, stable and small variation of the settling time over a wide range of operation conditions. Because the converter operates in both step-down and step-up modes, two sliding manifold is derived for each mode. The existence and stability conditions are analyzed for both SMC in step-down and step-up modes. Finally, Simulation results are also provided to justify the feasibility of the controller using MATLAB/Simulink.
Keywords: DC-DC Converter , Sliding Mode Control , Current Controller , Constant Frequency
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Type of Study: Research Paper | Subject: Converters
Received: 2017/10/13 | Revised: 2018/03/02 | Accepted: 2018/02/22
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.