Design, Analyses and Validation of Sliding Mode Control for a DAB DC-DC Converter

Shenli Zou; Sheng Zheng; Madhu Chinthavali

doi:10.1109/ITEC.2019.8790590

Design, Analyses and Validation of Sliding Mode Control for a DAB DC-DC Converter

Shenli Zou, Sheng Zheng, Madhu Chinthavali

Electrification and Energy Infrastructur

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

5 Scopus citations

Abstract

In this paper, a comprehensive voltage control loop design for a dual active bridge (DAB)DC-DC converter is proposed using the sliding mode control (SMC), where the coefficients are formed to ensure both small signal and large signal stability of the system. The major objectives of the proposed SMC are to enhance the converter dynamics and attain a tight output voltage regulation under fast load fluctuations or during start-up. In addition, dynamic performance of the system is examined considering the steady state error and overshoot. The proposed control method is capable of achieving soft-switching operation by determining the effective duty phase displacement range. To verify the proposed method, a hardware prototype of a DAB converter is developed and evaluated, and the effectiveness of the loop design is validated by the experiment. It is observed that overshoot is eliminated in the start-up test and the fast settling time is achieved.

Original language	English
Title of host publication	ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781538693100
DOIs	https://doi.org/10.1109/ITEC.2019.8790590
State	Published - Jun 2019
Event	2019 IEEE Transportation Electrification Conference and Expo, ITEC 2019 - Novi, United States Duration: Jun 19 2019 → Jun 21 2019

Publication series

Name	ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo

Conference

Conference	2019 IEEE Transportation Electrification Conference and Expo, ITEC 2019
Country/Territory	United States
City	Novi
Period	06/19/19 → 06/21/19

Funding

This research is supported in part by the Oak Ridge National Laboratory ASTRO Program and sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for the US Department of Energy. This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/ doe-public-access-plan).

Keywords

DAB
DC-DC converter
Sliding mode control
robustness

Access to Document

10.1109/ITEC.2019.8790590

Cite this

Zou, S., Zheng, S., & Chinthavali, M. (2019). Design, Analyses and Validation of Sliding Mode Control for a DAB DC-DC Converter. In ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo Article 8790590 (ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ITEC.2019.8790590

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title = "Design, Analyses and Validation of Sliding Mode Control for a DAB DC-DC Converter",

abstract = "In this paper, a comprehensive voltage control loop design for a dual active bridge (DAB)DC-DC converter is proposed using the sliding mode control (SMC), where the coefficients are formed to ensure both small signal and large signal stability of the system. The major objectives of the proposed SMC are to enhance the converter dynamics and attain a tight output voltage regulation under fast load fluctuations or during start-up. In addition, dynamic performance of the system is examined considering the steady state error and overshoot. The proposed control method is capable of achieving soft-switching operation by determining the effective duty phase displacement range. To verify the proposed method, a hardware prototype of a DAB converter is developed and evaluated, and the effectiveness of the loop design is validated by the experiment. It is observed that overshoot is eliminated in the start-up test and the fast settling time is achieved.",

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year = "2019",

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Zou, S, Zheng, S & Chinthavali, M 2019, Design, Analyses and Validation of Sliding Mode Control for a DAB DC-DC Converter. in ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo., 8790590, ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo, Institute of Electrical and Electronics Engineers Inc., 2019 IEEE Transportation Electrification Conference and Expo, ITEC 2019, Novi, United States, 06/19/19. https://doi.org/10.1109/ITEC.2019.8790590

Design, Analyses and Validation of Sliding Mode Control for a DAB DC-DC Converter. / Zou, Shenli; Zheng, Sheng; Chinthavali, Madhu.
ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo. Institute of Electrical and Electronics Engineers Inc., 2019. 8790590 (ITEC 2019 - 2019 IEEE Transportation Electrification Conference and Expo).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - In this paper, a comprehensive voltage control loop design for a dual active bridge (DAB)DC-DC converter is proposed using the sliding mode control (SMC), where the coefficients are formed to ensure both small signal and large signal stability of the system. The major objectives of the proposed SMC are to enhance the converter dynamics and attain a tight output voltage regulation under fast load fluctuations or during start-up. In addition, dynamic performance of the system is examined considering the steady state error and overshoot. The proposed control method is capable of achieving soft-switching operation by determining the effective duty phase displacement range. To verify the proposed method, a hardware prototype of a DAB converter is developed and evaluated, and the effectiveness of the loop design is validated by the experiment. It is observed that overshoot is eliminated in the start-up test and the fast settling time is achieved.

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Design, Analyses and Validation of Sliding Mode Control for a DAB DC-DC Converter

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