경사로 주행시 연비 개선을 위한 차량 제어 알고리즘 연구A Study of Vehicle Control Algorithm for Fuel Economy on Roads with Up-Down Slope
- Other Titles
- A Study of Vehicle Control Algorithm for Fuel Economy on Roads with Up-Down Slope
- Authors
- 백윤석; 전남주; 김지훈; 이형철
- Issue Date
- May-2012
- Publisher
- 한국자동차공학회
- Keywords
- Green Drive(그린드라이브); Eco Drive(에코드라이브); Fuel Economy(연비); Fuel Saving(연료 절약); Slope Speed Assistance(경사 속도 지원); Velocity Profile(속도 프로파일)
- Citation
- 2012 한국자동차공학회 부문종합 학술대회, no. , pp.913 - 920
- Indexed
- OTHER
- Journal Title
- 2012 한국자동차공학회 부문종합 학술대회
- Start Page
- 913
- End Page
- 920
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165574
- Abstract
- This paper proposes the velocity profile to minimize fuel consumption based on Global Positioning System (GPS) and the 3D road map database. Numerous previous studies have suggested that fuel consumption is approximately minimized by operation at constant speed. And it is most favorable to coast as long as it does not break the legal speed limit because braking instigates wasting energy and should thus be minimized. Maximum fuel reduction is obtained by implementing the fuel cut-off point as soon as possible. There are insufficient effects on fuel economy when the driver drives on roads with up-down slope. To maintain a constant speed suggests that the optimal velocity profile for roads with each slope angle is presented. When it can‘t maintain a constant speed, the optimal velocity profile is presented by trade off fuel consumption against time.
The simulation is performed for validity of proposed supervisory control algorithm. The simulation vehicle model of the target vehicle is developed by AVL CRUISE® and the proposed control algorithm is realized by using the MATLAB/Simulink. Simulations show that the developed control system provides significant benefits in terms of fuel economy when the driver drives on roads with up-down slope.
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