Parameter Optimization Method for Power System of Medium-Sized Bus Based on Orthogonal Test

Xingxing Wang, Peilin Ye, Yujie Zhang, Hongjun Ni (), Yelin Deng (), Shuaishuai Lv, Yinnan Yuan and Yu Zhu ()
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Xingxing Wang: School of Mechanical Engineering, Nantong University, Nantong 226019, China
Peilin Ye: School of Mechanical Engineering, Nantong University, Nantong 226019, China
Yujie Zhang: School of Mechanical Engineering, Nantong University, Nantong 226019, China
Hongjun Ni: School of Mechanical Engineering, Nantong University, Nantong 226019, China
Yelin Deng: School of Rail Transportation, Soochow University, Suzhou 215131, China
Shuaishuai Lv: School of Mechanical Engineering, Nantong University, Nantong 226019, China
Yinnan Yuan: School of Rail Transportation, Soochow University, Suzhou 215131, China
Yu Zhu: School of Mechanical Engineering, Nantong University, Nantong 226019, China

Energies, 2022, vol. 15, issue 19, 1-26

Abstract: Accurate and reasonable matching design is a current and difficult point in electric vehicle research. This paper presents a parameter optimization method for the power system of a medium-sized bus based on the combination of the orthogonal test and the secondary development of ADVISOR software. According to vehicle theoretical knowledge and the requirements of the vehicle power performance index, the parameters of the vehicle power system were matched and designed. With the help of the secondary development of MATLAB/Simulink and ADVISOR software, the modeling of the key parts of the vehicle was carried out. Considering the influence of the number of battery packs, motor power model, wheel rolling resistance coefficient, and wind resistance coefficient on the design of the power system, an L9 (34)-type orthogonal table was selected to design the orthogonal test. The dynamic performance and driving range of the whole vehicle were simulated using different design schemes, and the accuracy of the simulation results was verified by comparing and analyzing the simulation images. The results demonstrated that in the environment where the wind resistance coefficient was 0.6 and the wheel rolling resistance coefficient was 0.009, with 240 sets of lithium batteries (battery energy, 264 kW h; battery capacity, 100 Ah) as the power source, the pure electric medium-sized bus equipped with the PM165 permanent magnet motor (rated power, 60 kW; rated torque, 825 N m) could obtain the best power performance and economic performance. The research content of this paper provides a certain reference for the design of shuttle buses for Nantong’s bus system, effectively reduces the testing costs of the vehicle development process, and provides a new idea for the power system design of pure electric buses.

Keywords: pure electric bus; power system; orthogonal experiment; dynamic performance; economy (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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