동적계획법을 통한 2단 변속기 장착 4륜 구동 전기 자동차의 동력분배 최적화Optimal Power Distribution of 4-Wheel Drive Electric Vehicle with 2-speed transmission using Dynamic Programming
- Other Titles
- Optimal Power Distribution of 4-Wheel Drive Electric Vehicle with 2-speed transmission using Dynamic Programming
- Authors
- 박범준; 지용혁; 이형철
- Issue Date
- Jun-2021
- Publisher
- 대한전자공학회
- Citation
- 2021년 대한전자공학회 하계학술대회 논문집, pp.1242 - 1248
- Indexed
- OTHER
- Journal Title
- 2021년 대한전자공학회 하계학술대회 논문집
- Start Page
- 1242
- End Page
- 1248
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/191354
- Abstract
- In accordance with emission regulation, the research of environmentally friendly vehicles has been accelerating. Many powertrain topologies of electric vehicle have been studied. Among them, All-wheel-drive electric vehicle with two motors
has advantages in energy consumption aspect because power distribution ratio between 2 motors can be adjusted for operating motors in high efficiency regions. In this study, we conducted modeling for all-wheel-drive electric vehicle with two motors and 2-speed transmission. Also, we conducted global optimization for optimal power distribution ratio using dynamic programming. The optimal result was compared with constant power distribution ratios. Then, motor’s torque, speed and
operating points were analyzed. It was confirmed
that energy consumption of battery was improved.
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