NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission

The aim of this study is to verify the reliability of NOx emissions measured using Smart Emissions Measurement System (SEMS) equipment in comparison with the NOx emissions measured using certified Portable Emissions Measurement System (PEMS) equipment. The SEMS equipment is simple system, and it is...

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Autores principales:	Young Soo Yu, Jun Woo Jeong, Mun Soo Chon, Junepyo Cha
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	worldwide harmonized light-duty vehicle test cycle real driving emissions portable emissions measurement system smart emissions measurement system Technology T
Acceso en línea:	https://doaj.org/article/a551d26d79984a10ae8e788a49d8ead1
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spelling	oai:doaj.org-article:a551d26d79984a10ae8e788a49d8ead12021-11-11T16:00:34ZNOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission10.3390/en142172501996-1073https://doaj.org/article/a551d26d79984a10ae8e788a49d8ead12021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7250https://doaj.org/toc/1996-1073The aim of this study is to verify the reliability of NOx emissions measured using Smart Emissions Measurement System (SEMS) equipment in comparison with the NOx emissions measured using certified Portable Emissions Measurement System (PEMS) equipment. The SEMS equipment is simple system, and it is less expensive than the PEMS equipment, as it comprises an On-Board Diagnostics (OBD) signal from the test vehicle and a NOx sensor. The SEMS equipment based on low-cost sensors has an advantage of building big data, but there are insufficient previous studies comparing of NOx emissions with certified the PEMS equipment. Therefore, this study is important in verifying the suitability of the SEMS equipment by comparing the NOx emissions measured by the various test modes and RDE using the two types of equipment. To analyze the correlation between the PEMS and SEMS equipment, the advanced diesel vehicle was equipped with the two types of equipment to simultaneously measure NOx emissions. After installing the equipment on the test vehicle, it was conducted under various test modes in the laboratory and the Real Driving Emission (RDE) test to verify the correlation of NOx emissions measured by the SEMS equipment. The correlation analysis for the NOx emissions measured by the PEMS and SEMS equipment under various test conditions and the RDE test indicated that the slope of the NOx emissions was approximately equal to 1, and the coefficient of determination was 0.9 or higher. Based on these test results, it was concluded that NOx emissions measured by the PEMS and SEMS equipment are highly similar.Young Soo YuJun Woo JeongMun Soo ChonJunepyo ChaMDPI AGarticleworldwide harmonized light-duty vehicle test cyclereal driving emissionsportable emissions measurement systemsmart emissions measurement systemTechnologyTENEnergies, Vol 14, Iss 7250, p 7250 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	worldwide harmonized light-duty vehicle test cycle real driving emissions portable emissions measurement system smart emissions measurement system Technology T
spellingShingle	worldwide harmonized light-duty vehicle test cycle real driving emissions portable emissions measurement system smart emissions measurement system Technology T Young Soo Yu Jun Woo Jeong Mun Soo Chon Junepyo Cha NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission
description	The aim of this study is to verify the reliability of NOx emissions measured using Smart Emissions Measurement System (SEMS) equipment in comparison with the NOx emissions measured using certified Portable Emissions Measurement System (PEMS) equipment. The SEMS equipment is simple system, and it is less expensive than the PEMS equipment, as it comprises an On-Board Diagnostics (OBD) signal from the test vehicle and a NOx sensor. The SEMS equipment based on low-cost sensors has an advantage of building big data, but there are insufficient previous studies comparing of NOx emissions with certified the PEMS equipment. Therefore, this study is important in verifying the suitability of the SEMS equipment by comparing the NOx emissions measured by the various test modes and RDE using the two types of equipment. To analyze the correlation between the PEMS and SEMS equipment, the advanced diesel vehicle was equipped with the two types of equipment to simultaneously measure NOx emissions. After installing the equipment on the test vehicle, it was conducted under various test modes in the laboratory and the Real Driving Emission (RDE) test to verify the correlation of NOx emissions measured by the SEMS equipment. The correlation analysis for the NOx emissions measured by the PEMS and SEMS equipment under various test conditions and the RDE test indicated that the slope of the NOx emissions was approximately equal to 1, and the coefficient of determination was 0.9 or higher. Based on these test results, it was concluded that NOx emissions measured by the PEMS and SEMS equipment are highly similar.
format	article
author	Young Soo Yu Jun Woo Jeong Mun Soo Chon Junepyo Cha
author_facet	Young Soo Yu Jun Woo Jeong Mun Soo Chon Junepyo Cha
author_sort	Young Soo Yu
title	NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission
title_short	NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission
title_full	NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission
title_fullStr	NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission
title_full_unstemmed	NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission
title_sort	nox emission of a correlation between the pems and sems over different test modes and real driving emission
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a551d26d79984a10ae8e788a49d8ead1
work_keys_str_mv	AT youngsooyu noxemissionofacorrelationbetweenthepemsandsemsoverdifferenttestmodesandrealdrivingemission AT junwoojeong noxemissionofacorrelationbetweenthepemsandsemsoverdifferenttestmodesandrealdrivingemission AT munsoochon noxemissionofacorrelationbetweenthepemsandsemsoverdifferenttestmodesandrealdrivingemission AT junepyocha noxemissionofacorrelationbetweenthepemsandsemsoverdifferenttestmodesandrealdrivingemission
_version_	1718432431492562944

NOx Emission of a Correlation between the PEMS and SEMS over Different Test Modes and Real Driving Emission

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