Energy Mutual Aid Device of Electric Vehicles: Quadratic Boost Converter with Modified Voltage-Mode Controller

Jun Xiao, Shuo Zhai, Wei Jia (), Weisheng Wang, Zhiyuan Zhang and Baining Guo
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Jun Xiao: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Shuo Zhai: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Wei Jia: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Weisheng Wang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Zhiyuan Zhang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Baining Guo: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China

Mathematics, 2024, vol. 12, issue 10, 1-16

Abstract: Electric vehicles are becoming a mainstay of road transport. However, the uneven distribution of the electric vehicle charging piles in cities has led to the problem of “mileage anxiety”. This has become a significant concern of consumers in purchasing electric vehicles. At the same time, it also hinders the development of the electric vehicle industry. For this reason, this paper designs an electric vehicle energy mutual aid device. In the event that the power battery of an electric vehicle is low on energy and there are no suitable charging piles around, the device can also seek energy supplementation from surrounding electric vehicles with sufficient energy. This device should satisfy the characteristics of wide gain, high power, small size, and light weight. Firstly, the quadratic boost converter and its state space model are constructed. It uses only one electrical switching element to realize the light weight of the device, and it also provides wide voltage gain to fulfill the needs of electric vehicle charging. Secondly, an improved voltage mode controller is proposed to address the shortcomings of the conventional voltage mode controller of the quadratic boost converter. It avoids the tradeoff between the transient and steady-state performance due to the integration action of the conventional voltage mode controller. Also, this controller uses less feedback to make the controlled system output the required DC power, reducing the weight of the device. Finally, the effectiveness of the proposed energy mutual aid device is verified by simulations and experiments.

Keywords: electric vehicles; energy mutual aid; quadratic boost converter; voltage mode controller (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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