基于双离合变速器的插电式混动系统起步控制策略

doi:10.13229/j.cnki.jdxbgxb20210401

吉林大学学报(工学版) ›› 2022, Vol. 52 ›› Issue (12): 2765-2777.doi: 10.13229/j.cnki.jdxbgxb20210401

• 车辆工程·机械工程 • 下一篇

基于双离合变速器的插电式混动系统起步控制策略

罗勇^1,²(),隋毅³,申付涛²,孙强⁴,邓云霄²,韦永恒²

^1.中国汽车工程研究院股份有限公司汽车噪声振动和安全技术国家重点实验室，重庆 401122
^2.重庆理工大学汽车零部件先进制造技术教育部重点实验室，重庆 400054
^3.重庆科技学院机械与动力工程学院，重庆 401331
^4.宁波洁程汽车科技有限公司技术中心，宁波 315048

收稿日期:2021-05-06 出版日期:2022-12-01 发布日期:2022-12-08
作者简介:罗勇（1983-），男，副教授，博士. 研究方向：车辆动力传动与控制. E-mail：cquluo@126.com
基金资助:
国家自然科学基金项目(51305475);汽车噪声振动和安全技术国家重点实验室2017年度开放基金项目(NVHSKL-201702);重庆市自然科学基金面上项目(cstc2019jcyj-msxmX0076);重庆理工大学重大科研项目(2022TBZ003);宁波市科技创新2025重大专项项目(2019B10110)

Start up control strategy of plug in hybrid system based on double clutch transmission

Yong LUO^1,²(),Yi SUI³,Fu-tao SHEN²,Qiang SUN⁴,Yun-xiao DENG²,Yong-heng WEI²

^1.State Key Laboratory of Vehicle NVH and Safety Control，China Automotive Engineering Research Institute Co. ，Ltd. ，Chongqing 401122，China
^2.Key Laboratory of Advanced Manufacturing Technology for Automobile Parts，Chongqing University of Technology，Chongqing 400054，China
^3.College of Mechanical and Power Engineering，Chongqing University of Science and Technology，Chongqing 401331，China
^4.Technical Center，Ningbo Jiecheng Automobile Technology Co. ，Ltd. ，Ningbo 315048，China

Received:2021-05-06 Online:2022-12-01 Published:2022-12-08

摘要/Abstract

摘要：

针对双离合器插电式混动起步过程中多动力源和双离合器协调控制问题展开研究。首先，对系统不同起步模式进行动力学分析，建立了系统数学模型和起步性能评价指标。在此基础上，考虑了SOC、载荷、坡度等因素和驾驶员起步意图提出了系统起步模式决策方法，以最大冲击度为约束制定各起步模式动力源和双离合器协调控制策略。仿真结果表明：不同工况下起步模式选择合理，最大冲击度为7.31 m/s³，最大滑摩功为4.94 kJ，均控制在合理范围内，验证了本文策略的有效性。

关键词: 车辆工程, 插电式混合动力汽车, 双离合变速器, 起步过程控制, 道路工况, 驾驶员意图

Abstract:

The coordinated control of multiple power sources and dual clutches in the starting process of dual clutch plug-in hybrid vehicle is studied. Firstly， the dynamics of different starting modes of the system is analyzed， and the system mathematical model and starting performance evaluation index are established. On this basis， considering SOC， load condition， slope and other factors and the driver's starting intention， the system starting mode decision-making method is established. The coordinated control strategy of power source and dual clutch for each starting mode is formulated with the maximum impact as the constraint. The simulation results show that the selection of starting mode under different working conditions is reasonable. The maximum impact degree is 7.31 m/s³， and the maximum sliding friction work is 4.94 kJ， all within a reasonable range， which verifies the effectiveness of the strategy.

Key words: vehicle engineering, plug-in hybrid electric vehicle, dual clutch transmission, start-up process control, road conditions, driver's intention

中图分类号:

U463.2

罗勇,隋毅,申付涛,孙强,邓云霄,韦永恒. 基于双离合变速器的插电式混动系统起步控制策略[J]. 吉林大学学报(工学版), 2022, 52(12): 2765-2777.

Yong LUO,Yi SUI,Fu-tao SHEN,Qiang SUN,Yun-xiao DENG,Yong-heng WEI. Start up control strategy of plug in hybrid system based on double clutch transmission[J]. Journal of Jilin University(Engineering and Technology Edition), 2022, 52(12): 2765-2777.

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参考文献 22

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起步类型	动力源		双离合器
起步类型	发动机	电机	C1	C2
纯电动起步	不工作	工作	不工作	不工作
单离合器C1起步	工作	不工作	工作	不工作
单离合器C2起步	工作	不工作	不工作	工作
联合起步C1最终结合	工作	不工作	工作	工作
联合起步C2最终结合	工作	不工作	工作	工作

参数	数值
整备质量/kg	1580
轮胎半径/m	0.308
滚动系数	0.015
风阻系数	0.31
迎风面积/m²	2.226
发动机峰值扭矩/（N·m）	80
发动机峰值功率/kW	45
P2.5电机峰值扭矩/（N·m）	172
P2.5电机峰值功率/kW	80
一/二挡到轮端速比（发动机）	13.95/7.466
二挡到轮端速比（P2.5驱动电机）	8.245

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基于双离合变速器的插电式混动系统起步控制策略

Start up control strategy of plug in hybrid system based on double clutch transmission

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