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

作者：Liu Chuanbao; Yan Fuwu^*; Zhu Qingshan; Du Changqing; Hu Jie

来源：Transactions of the Chinese Society for Agricultural Machinery, 2012, 43(5): 16-21+83.

DOI：10.6041/j.issn.1000-1298.2012.05.003

• Calibration method
• Diesel emission
• Diesel engine emissions
• Experiment design
• Experimental database
• Multi objective optimizations (MOO)
• Open-loop control systems
• Optimization operation
• SCR catalysts
• SCR technology
• Space-falling

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.

• 出版日期2012
• 单位武汉理工大学