电加热三元催化剂预热的PSHEV冷起动排放仿真

doi:10.16182/j.issn1004731x.joss.17-0212

系统仿真学报 ›› 2019, Vol. 31 ›› Issue (6): 1150-1157.doi: 10.16182/j.issn1004731x.joss.17-0212

电加热三元催化剂预热的PSHEV冷起动排放仿真

邓涛, 余浩源, 李志飞, 谭海鑫

重庆交通大学机电与车辆工程学院,重庆 400074

收稿日期:2017-05-15 修回日期:2017-06-23 出版日期:2019-06-08 发布日期:2019-12-12
作者简介:邓涛(1982-),男,江西,博士,教授,研究方向为混合动力电动汽车控制。
基金资助:
国家自然科学基金(51305473),中国博士后科学基金(2014M552317),重庆市博士后研究人员科研项目特别资助(xm2014032)

PSHEV Cold Start Emission Simulation Based on Electric Heated Catalyst Pre-heating

Deng Tao, Yu Haoyuan, Li Zhifei, Tan Haixin

School of Mechatronics & Automotive Engineering, Chongqing Jiaotong University, Chongqing 400074, China

Received:2017-05-15 Revised:2017-06-23 Online:2019-06-08 Published:2019-12-12

摘要/Abstract

摘要： 为进一步降低插电式串联混合动力汽车(Plug-in Series Hybrid Electric Vehicle, PSHEV)冷起动阶段的排放,对PSHEV进行整车建模,基于发动机的起停优化控制策略,建立电加热三元催化剂(Electrically Heated Catalyst System,EHCS)动力学模型,并提出基于EHCS预热的PSHEV能量管理控制策略。仿真分析不同预热功率对EHCS温度的影响,对比该控制策略与原控制策略SOC值,并对比分析三元催化剂预热、后加热以及不加热三种策略下的冷起动排放。结果表明,PSHEV采用2 kW预热150 s的发动机起停优化的控制策略能以微小的燃油消耗代价,减少冷起动时HC/CO排放量。

关键词: 插电式串联混合动力汽车, 冷起动, 电加热三元催化剂, 控制策略, 仿真

Abstract: In order to reduce the emissions of the plug-in series hybrid electric vehicle (PSHEV) during the cold start phase, a vehicle model on PSHEV is established and a dynamic model of electrically heated catalyst system (EHCS) based on optimization and control strategy of engine start-stop is built. The PSHEV energy management control strategy based on EHCS preheating is proposed. The influence of different pre-heating power on EHCS temperature is simulated. By comparing SOC value of the control strategy with the original control strategy; and comparative analysis of cold start emissions of three elements catalyst under three strategies of pre-heating, post-heating and non-heating; it is found that PSHEV with 2kW preheat 150s engine start and stop optimization of the control strategy can reduce the cold start HC / CO emissions at price of a small fuel consumption costs.

Key words: PSHEV, cold start, EHCS (electrically heated catalyst system), control strategy, simulation

中图分类号:

TP391.9

邓涛, 余浩源, 李志飞, 谭海鑫. 电加热三元催化剂预热的PSHEV冷起动排放仿真[J]. 系统仿真学报, 2019, 31(6): 1150-1157.

Deng Tao, Yu Haoyuan, Li Zhifei, Tan Haixin. PSHEV Cold Start Emission Simulation Based on Electric Heated Catalyst Pre-heating[J]. Journal of System Simulation, 2019, 31(6): 1150-1157.

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电加热三元催化剂预热的PSHEV冷起动排放仿真

PSHEV Cold Start Emission Simulation Based on Electric Heated Catalyst Pre-heating

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