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Suitability of SEMS Equipment for Monitoring RDE Tests
- Authors
- Jeong, Jun Woo; Cha, Junepyo; Chon, Mun Soo; Lee, Kihyung
- Issue Date
- Jun-2023
- Publisher
- Korean Society of Automotive Engineers
- Keywords
- Nitrogen oxides (NOx); Portable emissions measurement system (PEMS); Real driving emissions (RDE); Smart emissions measurement system (SEMS); Worldwide harmonized light-duty vehicle test cycle (WLTC)
- Citation
- International Journal of Automotive Technology, v.24, no.3, pp.749 - 758
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- International Journal of Automotive Technology
- Volume
- 24
- Number
- 3
- Start Page
- 749
- End Page
- 758
- ISSN
- 1229-9138
- Abstract
- A portable emission measurement system (PEMS) is expensive and involves complex experimental processes for performing real driving emission (RDE) tests. An appropriate sensor-based emission measurement system (SEMS) must be developed to conduct the RDE test because SEMS has inexpensive and simple. To analyze the correlation between PEMS and SEMS, they are installed on six diesel vehicles, and a RDE test is performed on them. The applicability of the SEMS to the RDE test is estimated by comparing and analyzing real driving NOx emissions obtained from both the PEMS and SEMS. The results of laboratory and RDE tests confirm that the SEMS is applicable to RDE tests. Various correlation tests between the PEMS and SEMS show that the latter can be effectively applied to RDE tests; however, the NOx sensing limit must be improved. © 2023, KSAE.
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