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通过动态校正校准降低轻型柴油车在两个驾驶循环中的排放。

Emission Reduction from a Light-Duty Diesel Vehicle over Two Driving Cycles through Dynamic Correction Calibration.

作者信息

Chen Jing, Su Yan, Xie Fangxi

机构信息

State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130025, China.

College of Automotive Engineering, Jilin University, Changchun 130025, China.

出版信息

ACS Omega. 2023 Aug 23;8(35):31772-31783. doi: 10.1021/acsomega.3c02795. eCollection 2023 Sep 5.

DOI:10.1021/acsomega.3c02795
PMID:37692218
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10483688/
Abstract

The potential of a method of transient control of model-based engine charge control (MCCT) is investigated to minimize nitrogen oxide (NOx) emissions of a light-duty diesel vehicle over two driving cycles, the worldwide harmonized light-duty test cycle (WLTC) and real driving emission (RDE) cycle. The MCCT function was switched on by calibrating factor maps corrected for several parameters. In addition, the relationship between electronic control unit signals and nitrogen oxide (NOx) emissions was analyzed under the WLTC and RDE. The engine-out and tail-pipe NOx emissions in the WLTC and RDE could achieve varying degrees of reduction with MCCT.

摘要

研究了一种基于模型的发动机充气控制瞬态控制方法（MCCT）在两个驾驶循环（全球统一轻型车辆测试循环（WLTC）和实际行驶排放（RDE）循环）中使轻型柴油车辆氮氧化物（NOx）排放最小化的潜力。通过校准针对多个参数校正的因子图来开启MCCT功能。此外，分析了在WLTC和RDE工况下电子控制单元信号与氮氧化物（NOx）排放之间的关系。采用MCCT后，WLTC和RDE工况下的发动机尾气和排气管NOx排放可实现不同程度的降低。

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本文引用的文献

1
Characteristics of NOx emission of light-duty diesel vehicle with LNT and SCR system by season and RDE phase.轻型柴油车 LNT 和 SCR 系统在季节和 RDE 阶段的 NOx 排放特性。
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2
Experimental assessment of the potential to decrease diesel NO emissions beyond minimum requirements for Euro 6 Real Drive Emissions (RDE) compliance.实验评估降低柴油机 NO 排放以超出欧 6 实际驾驶排放（RDE）法规最低要求的潜力。
Sci Total Environ. 2018 Mar 15;618:1400-1407. doi: 10.1016/j.scitotenv.2017.09.274. Epub 2017 Oct 31.