Article(id=1149420605105144135, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.04.004, 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=1734192000000, revisedDateStr=2024-12-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1751972827459, onlineDateStr=2025-07-08, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751972827459, onlineIssueDateStr=2025-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751972827459, creator=13701087609, updateTime=1751972827459, updator=13701087609, issue=Issue{id=1149420601376412046, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='4', pageStart='587', pageEnd='795', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751972826539, creator=13701087609, updateTime=1754389785974, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1159558063947952346, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1159558063947952347, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=625, endPage=635, ext={EN=ArticleExt(id=1149420605306470728, articleId=1149420605105144135, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Predictive Energy Management Strategy of Plug-in Hybrid Electric Vehicle with Computer Vision, columnId=1149809888211198868, journalTitle=Automotive Engineering, columnName=Feature Topic:Key Technologies on Intelligent and Connected Vehicles, runingTitle=null, highlight=
For the problems of inaccurate speed prediction and poor SOC adaptability under the traditional model predictive control,the plug-in hybrid electric vehicle (PHEV) is taken as the research object,and the speed prediction model based on computer vision is combined with the deep deterministic policy gradient (DDPG) algorithm to achieve the real-time state of charge (SOC) reference trajectory planning and optimal power allocation control of PHEV. A SOC reference trajectory planning model based on the enhanced DDPG is constructed,and a speed prediction model based on computer vision with cascaded long short-term memory network is constructed,based on which the optimal controller based on the model predictive control is used to achieve the accurate tracking of the SOC reference trajectory and power optimization. The results show that compared to the traditional DDPG,the strategy proposed in this paper increases the overall vehicle economy by 5.66% ,reaching 97.93% of the global optimal algorithm. It also improves the overall vehicle economy by 2.92% compared to the energy management strategy without computer vision.
, articleAbstract=
For the problems of inaccurate speed prediction and poor SOC adaptability under the traditional model predictive control, the plugin hybrid electric vehicle (PHEV) is taken as the research object, and the speed prediction model based on computer vision is combined with the deep deterministic policy gradient (DDPG) algorithm to achieve the realtime state of charge (SOC) reference trajectory planning and optimal power allocation control of PHEV. A SOC reference trajectory planning model based on the enhanced DDPG is constructed, and a speed prediction model based on computer vision with cascaded long shortterm memory network is constructed, based on which the optimal controller based on the model predictive control is used to achieve the accurate tracking of the SOC reference trajectory and power optimization. The results show that compared to the traditional DDPG, the strategy proposed in this paper increases the overall vehicle economy by 5.66%, reaching 97.93% of the global optimal algorithm. It also improves the overall vehicle economy by 2.92% compared to the energy management strategy without computer vision.
, correspAuthors=Qi Han, 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=Shu Wang, Qi Han, Xuan Zhao, Penghui Xie), CN=ArticleExt(id=1149420620879921804, articleId=1149420605105144135, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=融合机器视觉的插电式混合动力汽车预测型能量管理策略
*, columnId=1149809888341222293, journalTitle=汽车工程, columnName=专题:汽车智能化关键技术, runingTitle=null, highlight=
针对传统模型预测控制下车速预测不准确和SOC适应性差的问题,以插电式混合动力汽车(PHEV)为研究对象,将基于机器视觉的车速预测模型与深度确定性策略梯度算法(DDPG)相结合,实现PHEV的实时SOC参考轨迹规划和最优动力分配控制。构建基于改进深度确定性策略梯度算法的SOC参考轨迹规划模型,并构建基于机器视觉的级联式长短时间记忆网络车速预测模型,在此基础上使用基于模型预测控制的最优控制器,实现SOC参考轨迹精确跟踪及功率优化。结果表明,相较于传统的DDPG,本文提出的策略使得整车经济性提高了5.66%,达到了全局最优算法的97.93%。同时较不使用机器视觉的能量管理策略提高了2.92%的整车经济性。
, articleAbstract=
针对传统模型预测控制下车速预测不准确和SOC适应性差的问题,以插电式混合动力汽车(PHEV)为研究对象,将基于机器视觉的车速预测模型与深度确定性策略梯度算法(DDPG)相结合,实现PHEV的实时SOC参考轨迹规划和最优动力分配控制。构建基于改进深度确定性策略梯度算法的SOC参考轨迹规划模型,并构建基于机器视觉的级联式长短时间记忆网络车速预测模型,在此基础上使用基于模型预测控制的最优控制器,实现SOC参考轨迹精确跟踪及功率优化。结果表明,相较于传统的DDPG,本文提出的策略使得整车经济性提高了5.66%,达到了全局最优算法的97.93%。同时较不使用机器视觉的能量管理策略提高了2.92%的整车经济性。
, correspAuthors=韩琪, authorNote=null, correspAuthorsNote=
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=qWCfvQ1PFMGoZB6dTgOXZA==, magXml=gMn5HFiksa8hZvDtWb/Cog==, pdfUrl=null, pdf=EiB5BL75qfXmtJOTKnRtwg==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=nQrR80eIjSDf7dKMqO8OPw==, mapNumber=null, authorCompany=null, fund=null, authors=
, authorsList=王姝, 韩琪, 赵轩, 谢鹏辉)}, authors=[Author(id=1170299009164911548, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1170299009269769149, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, authorId=1170299009164911548, language=EN, stringName=Shu Wang, firstName=Shu, middleName=null, lastName=Wang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170299009366238142, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, authorId=1170299009164911548, language=CN, 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验证工况下SOC轨迹规划情况, figureFileSmall=23mdurwiB7MDWVEiFW6KRw==, figureFileBig=e6Z5pDYiF+Ln7PDIjSh6xw==, tableContent=null), ArticleFig(id=1170299015246652398, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=EN, label=null, caption=null, figureFileSmall=CFmm6neme6YxsEH77HTBXg==, figureFileBig=leVHjmRR4Eq7/nVW01m2NA==, tableContent=null), ArticleFig(id=1170299015410230255, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=CN, label=图13, caption=
DQN-SOC和Time-SOC的SOC跟踪表现, figureFileSmall=CFmm6neme6YxsEH77HTBXg==, figureFileBig=leVHjmRR4Eq7/nVW01m2NA==, tableContent=null), ArticleFig(id=1170299015540253680, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=EN, label=null, caption=null, figureFileSmall=6Ay61/vwLTDus3eef6WWwA==, figureFileBig=ZilHAzh6OoYLQpVLzf4f3w==, tableContent=null), ArticleFig(id=1170299015657694193, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=CN, label=图14, caption=
DP-SOC和E-DDPG-SOC的SOC跟踪表现, figureFileSmall=6Ay61/vwLTDus3eef6WWwA==, figureFileBig=ZilHAzh6OoYLQpVLzf4f3w==, tableContent=null), ArticleFig(id=1170299015703831538, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=EN, label=null, caption=null, figureFileSmall=+22RvEAgJ7SItuR7U5zbTA==, figureFileBig=stayVb9pL0bBxisQdUzCug==, tableContent=null), ArticleFig(id=1170299015783523315, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=CN, label=图15, caption=
不同控制策略下的仿真结果对比, figureFileSmall=+22RvEAgJ7SItuR7U5zbTA==, figureFileBig=stayVb9pL0bBxisQdUzCug==, tableContent=null), ArticleFig(id=1170299015846437876, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=EN, label=null, caption=null, figureFileSmall=Z33OJtzVzxSKzBSiZ0QDZA==, figureFileBig=40uBc/6zotnEhEyfXTvgAQ==, tableContent=null), ArticleFig(id=1170299015909352437, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=CN, label=图16, caption=
不同交通感知模型下的仿真结果对比, figureFileSmall=Z33OJtzVzxSKzBSiZ0QDZA==, figureFileBig=40uBc/6zotnEhEyfXTvgAQ==, tableContent=null), ArticleFig(id=1170299015997432822, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420605105144135, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 整车整备质量/kg | 1 680 |
| 滚动半径/m | 0.352 |
| 迎风面积/m2 | 2.26 |
| 风阻系数 | 0.371 |
| 滚动阻力系数 | 0.012 |
| 传动系效率 | 0.90 |
| 旋转质量换算系数 | 1.07 |
| 主减速器速比 | 6.328 |
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整车关键参数
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| 参数 | 数值 |
| 整车整备质量/kg | 1 680 |
| 滚动半径/m | 0.352 |
| 迎风面积/m2 | 2.26 |
| 风阻系数 | 0.371 |
| 滚动阻力系数 | 0.012 |
| 传动系效率 | 0.90 |
| 旋转质量换算系数 | 1.07 |
| 主减速器速比 | 6.328 |
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| 预测模型类型 | RMSE/(km·h-1) | MAE/(km·h-1) | SCC/% |
| RBF神经网络 | 2.873 | 1.968 | 99.77 |
| 单层LSTM | 10.570 | 8.610 | 79.95 |
| 级联式LSTM | 2.096 | 1.511 | 99.85 |
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3种预测模型的结果
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| 预测模型类型 | RMSE/(km·h-1) | MAE/(km·h-1) | SCC/% |
| RBF神经网络 | 2.873 | 1.968 | 99.77 |
| 单层LSTM | 10.570 | 8.610 | 79.95 |
| 级联式LSTM | 2.096 | 1.511 | 99.85 |
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| 策略 | MAE | RMSE | SCC/% |
| DDPG | 0.041 35 | 0.048 19 | 96.735 |
| E-DDPG | 0.015 13 | 0.021 33 | 98.903 |
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不同控制策略下的SOC曲线误差
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| 策略 | MAE | RMSE | SCC/% |
| DDPG | 0.041 35 | 0.048 19 | 96.735 |
| E-DDPG | 0.015 13 | 0.021 33 | 98.903 |
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| 策略 | MAE | RMSE | SCC/% |
| DP-SOC | 0.004 0 | 0.006 4 | 99.83 |
| DQN-SOC | 0.026 2 | 0.036 3 | 97.80 |
| Time-SOC | 0.005 5 | 0.009 7 | 99.63 |
| E-DDPG-SOC | 0.003 6 | 0.005 9 | 99.86 |
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不同控制策略下的SOC跟随误差
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| 策略 | MAE | RMSE | SCC/% |
| DP-SOC | 0.004 0 | 0.006 4 | 99.83 |
| DQN-SOC | 0.026 2 | 0.036 3 | 97.80 |
| Time-SOC | 0.005 5 | 0.009 7 | 99.63 |
| E-DDPG-SOC | 0.003 6 | 0.005 9 | 99.86 |
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| 策略 | 总油耗/L | 电力/(kW·h) | 总成本/元 | 经济性/% |
| DP | 15.37 | 16.43 | 139.39 | 100 |
| DDPG | 16.90 | 15.85 | 151.07 | 92.27 |
| DP-SOC | 16.20 | 16.16 | 145.79 | 95.61 |
| E-DDPG-SOC | 15.79 | 16.04 | 141.77 | 97.93 |
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不同控制策略下的成本及经济性对比
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| 策略 | 总油耗/L | 电力/(kW·h) | 总成本/元 | 经济性/% |
| DP | 15.37 | 16.43 | 139.39 | 100 |
| DDPG | 16.90 | 15.85 | 151.07 | 92.27 |
| DP-SOC | 16.20 | 16.16 | 145.79 | 95.61 |
| E-DDPG-SOC | 15.79 | 16.04 | 141.77 | 97.93 |
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| 策略 | 总油耗/L | 电力/(kW·h) | 总成本/元 | 经济性/% |
| DP | 15.37 | 16.43 | 139.39 | 100 |
| E-DDPG-SOC 无交通感知 | 16.35 | 15.93 | 146.71 | 95.01 |
| E-DDPG-SOC | 15.79 | 16.04 | 141.77 | 97.93 |
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交通感知模型成本及经济性对比
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| 策略 | 总油耗/L | 电力/(kW·h) | 总成本/元 | 经济性/% |
| DP | 15.37 | 16.43 | 139.39 | 100 |
| E-DDPG-SOC 无交通感知 | 16.35 | 15.93 | 146.71 | 95.01 |
| E-DDPG-SOC | 15.79 | 16.04 | 141.77 | 97.93 |
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| 策略 | 计算时间/s |
| SOC规划 | MPC控制器计算 |
| E-DDPG-SOC | 11.64 | 0.214 |
| DP-SOC | 1 496.24 | 0.237 |
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不同控制策略下的计算时间对比
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| 策略 | 计算时间/s |
| SOC规划 | MPC控制器计算 |
| E-DDPG-SOC | 11.64 | 0.214 |
| DP-SOC | 1 496.24 | 0.237 |
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