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柴油機(jī)SCR開(kāi)環(huán)控制系統(tǒng)尿素計(jì)量脈譜標(biāo)定方法
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國(guó)家高技術(shù)研究發(fā)展計(jì)劃(863計(jì)劃)資助項(xiàng)目(2007AA06Z341)


Urea Dosing Map Calibration Method of Open Loop Control System of Diesel Engine SCR
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    摘要:

    在設(shè)計(jì)某型號(hào)國(guó)Ⅳ柴油機(jī)選擇性催化還原系統(tǒng)SCR時(shí),，為了快速標(biāo)定SCR控制器,，采用空間填充試驗(yàn)設(shè)計(jì)得到130個(gè)優(yōu)化工況點(diǎn),，使試驗(yàn)規(guī)模減小了2/3,?；谂欧盘匦栽囼?yàn)數(shù)據(jù)庫(kù)和催化器特性試驗(yàn)數(shù)據(jù)庫(kù),，利用神經(jīng)網(wǎng)絡(luò)開(kāi)發(fā)了目標(biāo)柴油機(jī)排放模型和催化器模型,?；诖呋髂Ｐ停ㄟ^(guò)多目標(biāo)優(yōu)化計(jì)算得到尿素計(jì)量脈譜,，ESC循環(huán)試驗(yàn)證明所標(biāo)定的脈譜精度滿足控制要求,。

    Abstract:

    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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劉傳寶,顏伏伍,朱清山,杜常清,胡杰.柴油機(jī)SCR開(kāi)環(huán)控制系統(tǒng)尿素計(jì)量脈譜標(biāo)定方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2012,43(5):16-21,，83. Liu Chuanbao, Yan Fuwu, Zhu Qingshan, Du Changqing, Hu Jie. Urea Dosing Map Calibration Method of Open Loop Control System of Diesel Engine SCR[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(5):16-21，83.

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  • 在線發(fā)布日期: 2012-06-07
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