基于AMEsim混合动力总成热管理系统仿真研究

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英文篇名：Simulation research of hybrid powertrain thermal management system based on AMESim 作者：董桥桥 ; 黄瑞 ; 陈芬放 ; 郭子硕 ; 凌珑 ; 俞小莉 英文作者：DONG Qiaoqiao;HUANG Rui;CHEN Fenfang;GUO Zishuo;LING Long;YU Xiaoli; 关键词：混合动力总成 ; 热管理系统 ; AMEsim ; 优化设计 ; 仿真研究 英文关键词：hybrid powertrain;;thermal management system;;AMEsim;;optimal design;;simulation research 中文刊名：XDJX 英文刊名：Modern Machinery 机构：浙江大学动力机械及车辆工程研究所; 出版日期：2019-04-28 出版单位：现代机械 年：2019 期：No.210 基金：浙江省科协育才工程(编号2018YCGC015)资助 语种：中文; 页：XDJX201902005 页数：6 CN：02 ISSN：52-1046/TH 分类号：20-25

摘要

针对混合动力总成热管理系统多热源、多温区和变温度的特点,基于AMEsim平台对混合动力总成热管理系统在4个US06工况不同功率分配下进行仿真分析,结果发现发动机出口水温最高接近100℃,电机的出口水温最高不到50℃,均偏离了最佳工作温度,经分析,发现系统架构过于独立,水泵和风扇控制策略为ON/OFF控制策略。在此基础上,对热管理系统架构进行了优化,增加了预热模块,并将水泵和风扇控制策略改为简单有效的PID控制,优化后发动机出口温度基本在85℃～95℃之间,电机出口温度基本在55℃～70℃之间,结果表明:优化后的热管理系统满足了动力部件工作在最佳温度范围的要求。
        Aiming at the characteristics of multi-heat sources,multi-temperature zones and variable temperature of hybrid powertrain thermal management system,the hybrid powertrain thermal management system is simulated based on AMEsim platform under four different power distributions. The results show that the highest water temperature of engine outlet is close to 100℃,and the highest water temperature of motor outlet is less than 50 ℃. Through analysis,it is found that the system architecture is too independent,and the control strategy of pump and fan is ON/OFF control strategy. On this basis,the structure of heat management system is optimized,the preheating module is added,and the control strategy of pump and fan is changed to PID control strategy. After optimization,the outlet temperature of engine is between 85℃ and 95℃,and the outlet temperature of motor is between 55℃ and 70℃. The results show that the optimized control strategy is effective and the thermal management system meets the requirement that the power components work in the optimum temperature range.

引文

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