Super Twisting Sliding Mode Control of Dual Active Bridge DC-DC Converter

Tiwary, Nishit; N, Venkatramana Naik; Panda, Anup Kumar; Lenka, Rajesh Kumar; Narendra, Ankireddy

doi:10.1109/pedes49360.2020.9379589

Cited by 9 publications

(7 citation statements)

References 16 publications

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“…The first step is defining the sliding-surface which is followed by control law that can transfer all system states to the sliding surface. The (ST-SMC) is a better method in terms of removing the chattering [16]. Fig.…”

Section: Super-twisting Sliding Mode Control (St-smc)mentioning

confidence: 99%

“…where k is the controller gain to determine the rate of convergent. The derivative of 𝑆 becomes [16]:…”

Section: Super-twisting Sliding Mode Control (St-smc)mentioning

confidence: 99%

“…Thus, non-linear control methods can be a great choice such as Sliding mode control (SMC) [2,15]. Generally, the SMC has a great feature including fast response stability and robustness for variations and uncertainties for both linear and non-linear systems [2,16]. However, the chattering in SMC is inherent, and the output voltage regulation is not provided well.…”

Section: Introductionmentioning

confidence: 99%

“…Some research work proposed the adaptive SMC for isolated converters which can minimizing chattering. Second-order SMC (SO-SMC) is another adaptive method for reducing chattering [16], but this method requires differentiating the sliding variable. The ST-SMC is another case of SO-SMC without differentiating the sliding surface.…”

Section: Introductionmentioning

confidence: 99%

“…The ST-SMC is another case of SO-SMC without differentiating the sliding surface. It can provide accurate reference tracking and eliminate the chattering impact [16,17].…”

Section: Introductionmentioning

confidence: 99%

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Bidirectional medium-frequency DAB converter with dual-phase-shift modulation and super-twisting sliding mode control

2022

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DC networks have great attention because of their benefits such as high efficiency, high current carrying capacity, and better dynamic responses compared with ac networks. Besides, they enhance the integration of different types of renewable energy sources (RESs) and energy storage systems (ESSs). A variety of isolated bidirectional dc-dc converters can be used to achieve the required interface, but the dual active bridge (DAB) converter can be a great choice. The dual-phase-shift (DPS) modulation technique reduces current stresses and expand the zero-voltage switching zone in the DAB converter while the sliding mode control (SMC) is a better strategy for non-linear systems. However, the sliding mode control has a chattering phenomenon. In order to suppress this chattering phenomenon, this article proposes a super-twisting sliding mode control (ST-SMC). This method can supress the chattering phenomena in sliding mode control. Thus, this work presents the DAB converter with DPS under the ST-SMC to regulate the output voltage, reduce or eliminate chattering, and provide great reference tracking. All results are verified initially by using MATLAB/Simulink and then experimentally validated.

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Section: Super-twisting Sliding Mode Control (St-smc)mentioning

confidence: 99%

“…where k is the controller gain to determine the rate of convergent. The derivative of 𝑆 becomes [16]:…”

Section: Super-twisting Sliding Mode Control (St-smc)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The ST-SMC is another case of SO-SMC without differentiating the sliding surface. It can provide accurate reference tracking and eliminate the chattering impact [16,17].…”

Section: Introductionmentioning

confidence: 99%

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Bidirectional medium-frequency DAB converter with dual-phase-shift modulation and super-twisting sliding mode control

2022

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An Adaptive Sliding Mode Control for a Dual Active Bridge Converter With Extended Phase Shift Modulation

et al. 2023

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This paper introduces an adaptive super-twisting sliding mode control (ASTSMC) approach for controlling a dual active bridge (DAB) converter with an extended phase shift (EPS) modulation. The conventional single-phase shift (SPS) modulation-based DAB converter is known to be inefficient. Hence, an optimization algorithm based on the Lagrange multiplier method (LMM) is proposed to minimize both backflow power and inductor current stress simultaneously. Unlike the conventional schemes that use an offline optimization (OFFO) method to derive the phase shift ratios, this paper proposes an online optimization method and an ASTSMC method for generating the inner and outer phase shift ratio respectively. Initially, a generalized average modeling (GAM) for the DAB converter under EPS modulation is derived, and then the proposed ASTSMC is introduced according to this model. The conventional STSMC with constant gains suffers from low performance under disturbances such as load current perturbations, input voltage variations, and output voltage reference variations. Additionally, it requires an overestimated gain under steady-state conditions. To address these issues, a variable gain-based STSMC scheme is proposed to enhance the performance of the converter under all operating conditions. The effectiveness of the proposed method is verified through simulation and experimental results, which are compared with the results of the conventional STSMC method.INDEX TERMS Dual active bridge converter, adaptive super twisting sliding mode control, extended phase shift modulation.

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Sliding mode control of an isolated DC-DC full bridge power converter for fuel cell applications

Khamlichi,

Rachid,

Saidi

et al. 2024

2024 International Conference on Circuit, Systems and Communication (ICCSC)

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Super Twisting Sliding Mode Control of Dual Active Bridge DC-DC Converter

Cited by 9 publications

References 16 publications

Bidirectional medium-frequency DAB converter with dual-phase-shift modulation and super-twisting sliding mode control

Bidirectional medium-frequency DAB converter with dual-phase-shift modulation and super-twisting sliding mode control

An Adaptive Sliding Mode Control for a Dual Active Bridge Converter With Extended Phase Shift Modulation

Sliding mode control of an isolated DC-DC full bridge power converter for fuel cell applications

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