A reduced-order observer-based control system designed in the frequency domain for dual-Active-bridge converter

Duy Dinh Nguyen; Goro Fujita; Quang Bui-Dang; Minh C. Ta

doi:10.1109/ICSET.2016.7811764

A reduced-order observer-based control system designed in the frequency domain for dual-Active-bridge converter

Duy Dinh Nguyen, Goro Fujita, Quang Bui-Dang, Minh C. Ta

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

2 Citations (Scopus)

Abstract

A new strategy for controlling single-phase dual-Active-bridge converter is proposed in this paper. It is realized by employing dynamic control of the direct and quadrature current components, detached from the transferred current. The direct component I_d is determined approximately from the terminal current, whereas, the quadrature one, I_q, is estimated by a reduced-order observer. All the models and equations are derived based on the frequency-domain analysis. Switching frequency is then variable to manipulate I_d, while the phase shift between the two bridges is used to handle I_q and the power flow. Since I_d and Iq are controlled, active and reactive power in the circuit are completely handled. A 500 W experiment system is built to verify the proposed control algorithm.

Original language	English
Title of host publication	2016 IEEE International Conference on Sustainable Energy Technologies, ICSET 2016
Publisher	IEEE Computer Society
Pages	102-107
Number of pages	6
ISBN (Electronic)	9781509052004
DOIs	https://doi.org/10.1109/ICSET.2016.7811764
Publication status	Published - 2017 Jan 9
Event	4th IEEE International Conference on Sustainable Energy Technologies, ICSET 2016 - Hanoi, Viet Nam Duration: 2016 Nov 14 → 2016 Nov 16

Other

Other	4th IEEE International Conference on Sustainable Energy Technologies, ICSET 2016
Country/Territory	Viet Nam
City	Hanoi
Period	16/11/14 → 16/11/16

Keywords

Dual-Active-bridge converter
frequency domain analysis
frequency modulation
reduced-order observer
single phase shift

ASJC Scopus subject areas

Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment

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10.1109/ICSET.2016.7811764

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A reduced-order observer-based control system designed in the frequency domain for dual-Active-bridge converter. / Nguyen, Duy Dinh; Fujita, Goro; Bui-Dang, Quang et al.

2016 IEEE International Conference on Sustainable Energy Technologies, ICSET 2016. IEEE Computer Society, 2017. p. 102-107 7811764.

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

Nguyen, DD, Fujita, G, Bui-Dang, Q & Ta, MC 2017, A reduced-order observer-based control system designed in the frequency domain for dual-Active-bridge converter. in 2016 IEEE International Conference on Sustainable Energy Technologies, ICSET 2016., 7811764, IEEE Computer Society, pp. 102-107, 4th IEEE International Conference on Sustainable Energy Technologies, ICSET 2016, Hanoi, Viet Nam, 16/11/14. https://doi.org/10.1109/ICSET.2016.7811764

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title = "A reduced-order observer-based control system designed in the frequency domain for dual-Active-bridge converter",

abstract = "A new strategy for controlling single-phase dual-Active-bridge converter is proposed in this paper. It is realized by employing dynamic control of the direct and quadrature current components, detached from the transferred current. The direct component Id is determined approximately from the terminal current, whereas, the quadrature one, Iq, is estimated by a reduced-order observer. All the models and equations are derived based on the frequency-domain analysis. Switching frequency is then variable to manipulate Id, while the phase shift between the two bridges is used to handle Iq and the power flow. Since Id and Iq are controlled, active and reactive power in the circuit are completely handled. A 500 W experiment system is built to verify the proposed control algorithm.",

keywords = "Dual-Active-bridge converter, frequency domain analysis, frequency modulation, reduced-order observer, single phase shift",

author = "Nguyen, {Duy Dinh} and Goro Fujita and Quang Bui-Dang and Ta, {Minh C.}",

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AU - Nguyen, Duy Dinh

AU - Fujita, Goro

AU - Bui-Dang, Quang

AU - Ta, Minh C.

PY - 2017/1/9

Y1 - 2017/1/9

N2 - A new strategy for controlling single-phase dual-Active-bridge converter is proposed in this paper. It is realized by employing dynamic control of the direct and quadrature current components, detached from the transferred current. The direct component Id is determined approximately from the terminal current, whereas, the quadrature one, Iq, is estimated by a reduced-order observer. All the models and equations are derived based on the frequency-domain analysis. Switching frequency is then variable to manipulate Id, while the phase shift between the two bridges is used to handle Iq and the power flow. Since Id and Iq are controlled, active and reactive power in the circuit are completely handled. A 500 W experiment system is built to verify the proposed control algorithm.

AB - A new strategy for controlling single-phase dual-Active-bridge converter is proposed in this paper. It is realized by employing dynamic control of the direct and quadrature current components, detached from the transferred current. The direct component Id is determined approximately from the terminal current, whereas, the quadrature one, Iq, is estimated by a reduced-order observer. All the models and equations are derived based on the frequency-domain analysis. Switching frequency is then variable to manipulate Id, while the phase shift between the two bridges is used to handle Iq and the power flow. Since Id and Iq are controlled, active and reactive power in the circuit are completely handled. A 500 W experiment system is built to verify the proposed control algorithm.

KW - Dual-Active-bridge converter

KW - frequency domain analysis

KW - frequency modulation

KW - reduced-order observer

KW - single phase shift

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A reduced-order observer-based control system designed in the frequency domain for dual-Active-bridge converter

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Keywords

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