Article(id=1149418804565934667, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149418798794572319, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.05.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1729008000000, receivedDateStr=2024-10-16, revisedDate=1732636800000, revisedDateStr=2024-11-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1751972398177, onlineDateStr=2025-07-08, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751972398177, onlineIssueDateStr=2025-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751972398177, creator=13701087609, updateTime=1751972398177, updator=13701087609, issue=Issue{id=1149418798794572319, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='5', pageStart='1', pageEnd='1006', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1751972396792, creator=13701087609, updateTime=1753780688390, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157003323518837255, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149418798794572319, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157003323518837256, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149418798794572319, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=920, endPage=930, ext={EN=ArticleExt(id=1149418804775649869, articleId=1149418804565934667, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=A Lumped Parameter Model of Circulating Cooling Oil Temperature for Automotive High-Speed Motor, columnId=1149805645261664296, journalTitle=Automotive Engineering, columnName=Papers, runingTitle=null, highlight=
In order to adapt to the high power density of automotive high-speed motors and the high thermal load under extreme working conditions,the current motor cooling mostly adopts the direct contact oil cooling heat dissipation method,and it is necessary to establish a motor oil temperature model suitable for the study of thermal control methods. Existing methods are mainly based on finite element simulation calibration,which cannot meet the real-time application requirements,while the multi-physical field coupling of the complex oil-water heat transfer circuit makes it difficult for the online reconstruction of oil temperature. In this paper,a second-order lumped-parameter oil temperature model is proposed to strengthen the time-sequence cyclic process and consider the strong autocorrelation. The oil circuit unit is modeled according to the calibration,and the motor loss response is determined based on bench-top measurements. The time-sequence convolution method is adopted to describe the heat transfer process,and a cyclic dynamic recursive model with high and low oil temperature coupling is established. Oil temperature-sensitive parameters are introduced to improve the adaptability of the working conditions to solve the difficult problem of describing the oil temperature distribution in the flow path. Finally,the model accuracy is verified online by road spectrum working conditions,with the average absolute estimation error of the oil coolant temperature within 1°C,which can support the refined thermal management of the motor.
, articleAbstract=
In order to adapt to the high power density of automotive high-speed motors and the high thermal load under extreme working conditions, the current motor cooling mostly adopts the direct contact oil cooling heat dissipation method, and it is necessary to establish a motor oil temperature model suitable for the study of thermal control methods. Existing methods are mainly based on finite element simulation calibration, which cannot meet the realtime application requirements, while the multi-physical field coupling of the complex oilwater heat transfer circuit makes it difficult for the online reconstruction of oil temperature. In this paper, a secondorder lumpedparameter oil temperature model is proposed to strengthen the time-sequence cyclic process and consider the strong autocor-relation. The oil circuit unit is modeled according to the calibration, and the motor loss response is determined based on bench-top measurements. The time-sequence convolution method is adopted to describe the heat transfer process, and a cyclic dynamic recursive model with high and low oil temperature coupling is established. Oil temper-ature-sensitive parameters are introduced to improve the adaptability of the working conditions to solve the difficult problem of describing the oil temperature distribution in the flow path. Finally, the model accuracy is verified online by road spectrum working conditions, with the average absolute estimation error of the oil coolant temperature within 1°C, which can support the refined thermal management of the motor.
, correspAuthors=Chong Zhu, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Yansong Lu, Chong Zhu, Xi Zhang), CN=ArticleExt(id=1149418819938058679, articleId=1149418804565934667, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=一种车用高速电机循环冷却油温集总参数模型
*, columnId=1149805645391687721, journalTitle=汽车工程, columnName=研究论文, runingTitle=null, highlight=
为适应车用高速电机高功率密度和极端工况下的高热负荷,目前电机冷却多采用直接接触式油冷散热方式,建立一个适合热控制方法研究的电机油温模型十分必要。现有方法主要基于有限元仿真标定,无法满足实时应用需求,而复杂油水换热回路的多物理场耦合使油温在线重构困难。本文提出了一种强化时序循环过程并考虑强自相关性的2阶集总参数油温模型。根据标定建立油路单元模型,并基于台架实测确定电机损耗响应。提出采用时序卷积方法描述换热过程,建立高低油温耦合的循环动态递推模型,并引入油温敏感参数提升工况适应能力,解决了流道内油温分布描述难题。最终通过路谱工况在线验证了模型的准确性,油冷液温度平均绝对估计误差在1 ℃以内,可支撑电机精细化热管理。
, articleAbstract=
为适应车用高速电机高功率密度和极端工况下的高热负荷,目前电机冷却多采用直接接触式油冷散热方式,建立一个适合热控制方法研究的电机油温模型十分必要。现有方法主要基于有限元仿真标定,无法满足实时应用需求,而复杂油水换热回路的多物理场耦合使油温在线重构困难。本文提出了一种强化时序循环过程并考虑强自相关性的2阶集总参数油温模型。根据标定建立油路单元模型,并基于台架实测确定电机损耗响应。提出采用时序卷积方法描述换热过程,建立高低油温耦合的循环动态递推模型,并引入油温敏感参数提升工况适应能力,解决了流道内油温分布描述难题。最终通过路谱工况在线验证了模型的准确性,油冷液温度平均绝对估计误差在1℃以内,可支撑电机精细化热管理。
, correspAuthors=朱翀, authorNote=null, correspAuthorsNote=
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1 上海交通大学机械与动力工程学院,上海 200240
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循环油冷温度估计的整体框图, figureFileSmall=krXhtdA2h4fj5ziMpdiJ7Q==, figureFileBig=yDq9wPZOvwVLQ9h57s9yTw==, tableContent=null), ArticleFig(id=1170297389236625610, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=EN, label=null, caption=null, figureFileSmall=3DGGzHDTyS7Jl9u1r1bcDQ==, figureFileBig=7EJh78ieHOQ+HvVpbZqNWg==, tableContent=null), ArticleFig(id=1170297389312123083, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=CN, label=图16, caption=
目标函数寻优的收敛过程, figureFileSmall=3DGGzHDTyS7Jl9u1r1bcDQ==, figureFileBig=7EJh78ieHOQ+HvVpbZqNWg==, tableContent=null), ArticleFig(id=1170297389375037644, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=EN, label=null, caption=null, figureFileSmall=JbM7MS7QCC8roKBezjZ7Ig==, figureFileBig=7n5podwBldHgLbojab322A==, tableContent=null), ArticleFig(id=1170297389488283854, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=CN, label=图17, caption=
高速电驱总成及其配套冷却系统测试台架, figureFileSmall=JbM7MS7QCC8roKBezjZ7Ig==, figureFileBig=7n5podwBldHgLbojab322A==, tableContent=null), ArticleFig(id=1170297389563781328, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=EN, label=null, caption=null, figureFileSmall=WTFqlrlrzN5AJ+9qhgxdng==, figureFileBig=WY80ASnZ/wys5eRMskOpFg==, tableContent=null), ArticleFig(id=1170297389651861714, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=CN, label=图18, caption=
台架验证使用的路谱工况WLTP转速和转矩信号, figureFileSmall=WTFqlrlrzN5AJ+9qhgxdng==, figureFileBig=WY80ASnZ/wys5eRMskOpFg==, tableContent=null), ArticleFig(id=1170297389869965523, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=EN, label=null, caption=null, figureFileSmall=0RahpJ+vPFst3neRDeSwPA==, figureFileBig=DjbpoOgp3aqNlT5htpiaeg==, tableContent=null), ArticleFig(id=1170297390004183253, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=CN, label=图19, caption=
不同热边界下WLTP工况的循环油冷液温度重构, figureFileSmall=0RahpJ+vPFst3neRDeSwPA==, figureFileBig=DjbpoOgp3aqNlT5htpiaeg==, tableContent=null), ArticleFig(id=1170297390113235159, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=EN, label=null, caption=null, figureFileSmall=rSMM2LMniA+lS0dcYSt2nw==, figureFileBig=ctl0vFip+Q7aDcEVxqJabg==, tableContent=null), ArticleFig(id=1170297390167761113, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=CN, label=图20, caption=
水温为65 ℃、EOP为低功率转速时的WLTP路谱工况下循环油冷液的温度重构, figureFileSmall=rSMM2LMniA+lS0dcYSt2nw==, figureFileBig=ctl0vFip+Q7aDcEVxqJabg==, tableContent=null), ArticleFig(id=1170297390289395930, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 适用介质 | ATF |
| 介质温度/℃ | -40~100 |
| 工作电压/V | 9~12 |
| 额定功率/W | 120 |
| 最大扬程/kPa | 500 |
| 最大流量/(L·min-1) | 18 |
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电子油泵EOP基本参数
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| 参数 | 数值 |
| 适用介质 | ATF |
| 介质温度/℃ | -40~100 |
| 工作电压/V | 9~12 |
| 额定功率/W | 120 |
| 最大扬程/kPa | 500 |
| 最大流量/(L·min-1) | 18 |
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| 参数 | 水温范围/ ℃ | 油温范围/ ℃ | 换热能力/kW |
| 数值 | -10~90 | 0~130 | ≤25 |
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油水换热器基本参数
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| 参数 | 水温范围/ ℃ | 油温范围/ ℃ | 换热能力/kW |
| 数值 | -10~90 | 0~130 | ≤25 |
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| 参数 | 容量/L | 物理意义 |
| Voil | 2 | 循环油路总油量 |
| VEM | 0.8 | 电机EM侧油路的含油量 |
| VHE | 0.2 | 油水换热器HE侧的含油量 |
| VOT | 1 | 集油槽的储油量 |
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冷却回路各部分的含油量
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| 参数 | 容量/L | 物理意义 |
| Voil | 2 | 循环油路总油量 |
| VEM | 0.8 | 电机EM侧油路的含油量 |
| VHE | 0.2 | 油水换热器HE侧的含油量 |
| VOT | 1 | 集油槽的储油量 |
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| 参数 | κ1 | κ2 | κ3 | κ4 | κ5 |
| 范围设置 | -0.1~0.1 | 0~2 | 0.3~1 | -0.1~0.1 | 0~1 |
| 寻优结果 | -0.013 6 | 1.767 | 0.728 | 1.98×10-4 | 0.052 9 |
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冷却油路参数辨识寻优结果
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| 参数 | κ1 | κ2 | κ3 | κ4 | κ5 |
| 范围设置 | -0.1~0.1 | 0~2 | 0.3~1 | -0.1~0.1 | 0~1 |
| 寻优结果 | -0.013 6 | 1.767 | 0.728 | 1.98×10-4 | 0.052 9 |
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| 类型 | EOP控制参数 | 模型参数变化(均值) |
| 输入 功率/W | 转速/ (r·min-1) | 油流量/ (L·min-1) | | |
| 高功率 | 124 | 4 000 | 9.12 | 11 | 3 |
| 低功率 | 60 | 2 500 | 5.05 | 19 | 5 |
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WLTP工况下控制EOP后油冷模型参数变化
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| 类型 | EOP控制参数 | 模型参数变化(均值) |
| 输入 功率/W | 转速/ (r·min-1) | 油流量/ (L·min-1) | | |
| 高功率 | 124 | 4 000 | 9.12 | 11 | 3 |
| 低功率 | 60 | 2 500 | 5.05 | 19 | 5 |
), ArticleFig(id=1170297391166005484, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 水冷液 温度/°C | EOP控制参数 | 平均绝对 误差/°C | 最大绝对 误差/°C |
| 输入 功率/W | 转速/ (r·min-1) |
| 25 | 124 | 4 000 | 1 | 5.0 |
| 65 | 124 | 4 000 | 0.5 | 2.2 |
| 60 | 2 500 | 1 | 3.2 |
), ArticleFig(id=1170297391241502958, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418804565934667, language=CN, label=表6, caption=
集总参数油温模型WLTP工况的估计误差
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| 水冷液 温度/°C | EOP控制参数 | 平均绝对 误差/°C | 最大绝对 误差/°C |
| 输入 功率/W | 转速/ (r·min-1) |
| 25 | 124 | 4 000 | 1 | 5.0 |
| 65 | 124 | 4 000 | 0.5 | 2.2 |
| 60 | 2 500 | 1 | 3.2 |
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