Urea dosing map calibration method of open loop control system of diesel engine SCR

被引：0
作者：
机构：
[1] Department of Automotive Engineering, Wuhan University of Technology
[2] Department of Electronic Science and Engineering, Huanghuai Institute
来源：
Yan, F. (yanfuwu@vip.sina.com) | 1600年 / Chinese Society of Agricultural Machinery卷 / 43期
关键词：
Calibration; Controller; Diesel engine; Neural network; SCR technology; Space-falling;
D O I：
10.6041/j.issn.1000-1298.2012.05.003
中图分类号：
学科分类号：
摘要：
In order to quickly calibrate SCR controller, space-falling experiment design was applied to get 130 optimization operation points while developing SCR system for a type of diesel engine, which reduced the experimental workload for two-thirds. The target diesel engine emission model and SCR catalyst model were developed by using neural network based on diesel emission characteristic experimental database and catalyst characteristic experimental database. Multi-objective optimization arithmetic was applied to gain urea dosing map based on SCR catalyst model. ESC (Europe steady cycle) experiment validated that the precision of urea dosing map satisfied the requirement of SCR control.
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页码：16 / 21+83
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