Research on driver fuel efficiency index for objectification of fuel efficiency on real-road
- Authors
- Choi, S.; Choi, H.
- Issue Date
- 2018
- Publisher
- Korean Society of Automotive Engineers
- Keywords
- 5-cycle testing(5); Constant speed driving; Fuel efficiency; Fuel efficiency index; Moving average window; Real-road driving; Running resistance
- Citation
- Transactions of the Korean Society of Automotive Engineers, v.26, no.3, pp.352 - 359
- Journal Title
- Transactions of the Korean Society of Automotive Engineers
- Volume
- 26
- Number
- 3
- Start Page
- 352
- End Page
- 359
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/4291
- DOI
- 10.7467/KSAE.2018.26.3.352
- ISSN
- 1225-6382
- Abstract
- To reduce the gap between certified fuel efficiency and real-world conditions, related organizations are changing the certification method of fuel consumption. However, if there is no revision in the fuel consumption influence parameters, such as driving behavior, driving environment, and road environment, the gap may still remain. In this study, we defined two driver fuel economy indexes based on driving engine power and constant engine power: the MAW Power Ratio Index through the MAW(Moving Average Window) method and the Constant Driving Index by using the driving energy to revise fuel influence parameters. Based on 5-cycle testing results, we verified the index through a regression analysis of fuel consumption and the driving fuel economy index. We concluded that the driver fuel economy index has reasonable R2. The R2 of the MAW Power Ratio Index is higher at the smaller window size, and the R2 of the Constant Driving Index is within reasonable road limit speed. © Copyright 2018 KSAE / 154-08.
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