Effect of the idle stop-start technology on fuel economy improvement using 5-cycle test and real-world driving data
- Authors
- 이현직직; 이기형
- Issue Date
- Jun-2021
- Publisher
- Korean Society of Automotive Engineers
- Keywords
- 5-cycle test; Fuel economy; Idle stop-start technolog; Off-cycle credit; Real road condition; Telematics
- Citation
- Transactions of the Korean Society of Automotive Engineers, v.29, no.6, pp.507 - 514
- Indexed
- SCOPUS
KCI
- Journal Title
- Transactions of the Korean Society of Automotive Engineers
- Volume
- 29
- Number
- 6
- Start Page
- 507
- End Page
- 514
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/105762
- DOI
- 10.7467/KSAE.2021.29.6.507
- ISSN
- 1225-6382
- Abstract
- The idle stop-start technology has an excellent fuel economy improvement effect in the certification cycle and can be recognized for its additional off-cycle credit. Therefore, its installation rate is gradually increasing with its perception as a useful device for meeting the reinforced fuel economy standard. However, due to the technical characteristics of the technology, its effect can be expected only in heavy traffic, and its usage rate may be limited in various environments such as a low outside temperature, a sloped road, and air conditioning operation. Therefore, research is lacking on the effect of improving fuel economy on real roads. In this study, a five-cycle test was conducted with a sports utility vehicle that had a 2.0-liter turbocharged GDI engine with an idle stop-start function, and big data from real road driving conditions were collected and analyzed using telematics information. Finally, the effect of the idle stop-start technology on fuel economy improvement was evaluated and compared with the laboratory results. Copyright © 2021 KSAE/187-02
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