The Chaotic-Based Control of Three-Port Isolated Bidirectional DC/DC Converters for Electric and Hybrid Vehicles

Zheng Wang, Bochen Liu, Yue Zhang, Ming Cheng, Kai Chu and Liang Xu
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Zheng Wang: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Bochen Liu: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Yue Zhang: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Ming Cheng: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Kai Chu: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Liang Xu: Aviation Key Laboratory of Science and Technology on Aerospace Electromechanical System Integration, No. 33 Shuige Road, Jiangning District, Nanjing 210061, China

Energies, 2016, vol. 9, issue 2, 1-19

Abstract: Three-port isolated (TPI) bidirectional DC/DC converters have three energy ports and offer advantages of large voltage gain, galvanic isolation ability and high power density. For this reason this kind of converters are suitable to connect different energy sources and loads in electric and hybrid vehicles. The purpose of this paper is to propose chaotic modulation and the related control scheme for TPI bidirectional DC/DC converters, in such a way that the switching harmonic peaks can be suppressed in spectrum and the conducted electromagnetic interference (EMI) is reduced. Two chaotic modulation strategies, namely the continuously chaotic modulation and the discretely chaotic modulation are presented. These two chaotic modulation strategies are applied for TPI bidirectional DC/DC converters with shifted-phase angle based control and phase-shifted PWM control. Both simulation and experiments are given to verify the validity of the proposed chaotic modulation-based control schemes.

Keywords: electric and hybrid vehicles; energy conversion; bidirectional DC/DC converter; chaotic modulation; shifted-phase angle based control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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