Article(id=1149781736273437270, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149781735614935465, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.03.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1723564800000, receivedDateStr=2024-08-14, revisedDate=1726243200000, revisedDateStr=2024-09-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1752058927838, onlineDateStr=2025-07-09, pubDate=1742832000000, pubDateStr=2025-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752058927838, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752058927838, creator=13701087609, updateTime=1752058927838, updator=13701087609, issue=Issue{id=1149781735614935465, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='3', pageStart='1', pageEnd='586', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752058927681, creator=13701087609, updateTime=1753780706926, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157003401239290378, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149781735614935465, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157003401239290379, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149781735614935465, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=402, endPage=411, ext={EN=ArticleExt(id=1149781736600592983, articleId=1149781736273437270, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Path Planning with Multiple Obstacle-Avoidance Modes for Intelligent Vehicles, columnId=1149809888211198868, journalTitle=Automotive Engineering, columnName=Feature Topic:Key Technologies on Intelligent and Connected Vehicles, runingTitle=null, highlight=
In unstructured scenes,there are often obstacles of various sizes,and the path planning process that only considers obstacle avoidance methods such as detours will lead to decrease in vehicle traffic efficiency. For these problems,in this paper an intelligent vehicle path planning method with multiple obstacle-avoidance modes is proposed by integrating a layered collision detection strategy into the traditional Hybrid A* algorithm. Firstly,a double-layer grid map is constructed based on the vehicle chassis height,and a layered collision detection strategy is designed using the body contour and four-wheel contour. Then,through a well-designed heuristic function and cost function calculation method,the Hybrid A* algorithm can efficiently search for paths in multi obstacle scenes. Finally,the gradient descent method is used to smooth and optimize the path. Simulation and real vehicle experiment results demonstrate the effectiveness of the proposed algorithm in improving path search efficiency and significantly enhancing path smoothness. Moreover,the planned paths consider both crossing and bypassing strategies for obstacle avoidance,enabling vehicles to have better passability in multi-obstacle scenarios.
, articleAbstract=
In unstructured scenes, there are often obstacles of various sizes, and the path planning process that only considers obstacle avoidance methods such as detours will lead to decrease in vehicle traffic efficiency. For these problems, in this paper an intelligent vehicle path planning method with multiple obstacleavoidance modes is proposed by integrating a layered collision detection strategy into the traditional Hybrid A* algorithm. Firstly, a doublelayer grid map is constructed based on the vehicle chassis height, and a layered collision detection strategy is designed using the body contour and fourwheel contour. Then, through a welldesigned heuristic function and cost function calculation method, the Hybrid A* algorithm can efficiently search for paths in multi obstacle scenes. Finally, the gradient descent method is used to smooth and optimize the path. Simulation and real vehicle experiment results demonstrate the effectiveness of the proposed algorithm in improving path search efficiency and significantly enhancing path smoothness. Moreover, the planned paths consider both crossing and bypassing strategies for obstacle avoidance, enabling vehicles to have better passability in multiobstacle scenarios.
, correspAuthors=Zeyu Yang, 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=Ziniu Hu, Xinpeng Chen, Zeyu Yang, Ziyun Yu, Hongmao Qin, Ming Gao), CN=ArticleExt(id=1149781770192773185, articleId=1149781736273437270, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=具有多型避障方式的智能车辆路径规划
*, columnId=1149809888341222293, journalTitle=汽车工程, columnName=专题:汽车智能化关键技术, runingTitle=null, highlight=
非结构化场景往往存在多种尺寸各异的障碍物,路径规划过程只考虑绕行的避障方式会导致车辆通行效率降低。针对该问题,本文在传统混合A*算法中融合分层碰撞检测策略,提出了一种具有多型避障方式的智能车辆路径规划方法。首先,以车辆底盘高度为基准构造上下双层栅格地图,并利用车身轮廓和四轮轮廓设计分层碰撞检测策略;然后,通过合理设计的启发函数与代价函数计算方式,使得混合A*算法能够在多障碍物场景中高效搜索路径;最后,利用梯度下降法对路径进行平滑优化。仿真与实车试验结果表明,所提出算法可有效提高路径搜索效率并改善路径平滑性,且规划路径兼顾了跨障与绕障方式,使得车辆在多障碍物场景下具备更良好的通过性。
, articleAbstract=
非结构化场景往往存在多种尺寸各异的障碍物,路径规划过程只考虑绕行的避障方式会导致车辆通行效率降低。针对该问题,本文在传统混合A*算法中融合分层碰撞检测策略,提出了一种具有多型避障方式的智能车辆路径规划方法。首先,以车辆底盘高度为基准构造上下双层栅格地图,并利用车身轮廓和四轮轮廓设计分层碰撞检测策略;然后,通过合理设计的启发函数与代价函数计算方式,使得混合A*算法能够在多障碍物场景中高效搜索路径;最后,利用梯度下降法对路径进行平滑优化。仿真与实车试验结果表明,所提出算法可有效提高路径搜索效率并改善路径平滑性,且规划路径兼顾了跨障与绕障方式,使得车辆在多障碍物场景下具备更良好的通过性。
, correspAuthors=杨泽宇, authorNote=null, correspAuthorsNote=
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=aPx9clehV4ixpzlhuBgGOQ==, magXml=LH58tEijXZHntDs+2VKVbQ==, pdfUrl=null, pdf=BOuHcgQOhAbFIegiE7aZOg==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=0ZiKicTRpa1XY4iU8pHgNw==, mapNumber=null, authorCompany=null, fund=null, authors=
, authorsList=胡子牛, 陈鑫鹏, 杨泽宇, 余子云, 秦洪懋, 高铭)}, authors=[Author(id=1170297368785200060, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, 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=1170297368906834879, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, authorId=1170297368785200060, language=EN, stringName=Ziniu Hu, firstName=Ziniu, middleName=null, lastName=Hu, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 College of Mechanical and Vehicle Engineering,Hunan University,State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle,Changsha 410082, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170297369120744384, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, authorId=1170297368785200060, language=CN, stringName=胡子牛, firstName=子牛, middleName=null, lastName=胡, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 College of Mechanical and Vehicle Engineering,Hunan University,State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle,Changsha 410082
2 Wuxi Intelligent Control Research Institute of Hunan University,Wuxi 214115, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170297369603089355, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, authorId=1170297369447900103, language=CN, stringName=杨泽宇, firstName=泽宇, middleName=null, lastName=杨, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 湖南大学机械与运载工程学院,整车先进设计制造技术全国重点实验室,长沙 410082
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1 湖南大学机械与运载工程学院,整车先进设计制造技术全国重点实验室,长沙 410082, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170297368604844981, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, xref=1, ext=[AuthorCompanyExt(id=1170297368613233590, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, companyId=1170297368604844981, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 湖南大学机械与运载工程学院,整车先进设计制造技术全国重点实验室,长沙 410082, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170297368604844981, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, xref=1, ext=[AuthorCompanyExt(id=1170297368613233590, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, companyId=1170297368604844981, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 College of Mechanical and Vehicle Engineering,Hunan University,State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle,Changsha 410082, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170297372090311642, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, authorId=1170297371951899607, language=CN, stringName=高铭, firstName=铭, middleName=null, lastName=高, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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下层精细化三维碰撞检测示意, figureFileSmall=//A+pJQgtPl1xPqdCSOQ/g==, figureFileBig=SHU4vYLhV8fZ1ibJtL9hUA==, tableContent=null), ArticleFig(id=1170297373646398445, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=MM2oOLddFGaKIhEcKv6ZQw==, figureFileBig=KA2DZPnKbUA6EBPrdHXmBA==, tableContent=null), ArticleFig(id=1170297373700924398, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图6, caption=
跨障和绕障拓展示意, figureFileSmall=MM2oOLddFGaKIhEcKv6ZQw==, figureFileBig=KA2DZPnKbUA6EBPrdHXmBA==, tableContent=null), ArticleFig(id=1170297373763838959, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=s+nmdrLVL2MySqfp7Wl9qw==, figureFileBig=JQWJl9Zg3EPKg+dcspN0gw==, tableContent=null), ArticleFig(id=1170297373822559216, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图7, caption=
优化前后路径对比, figureFileSmall=s+nmdrLVL2MySqfp7Wl9qw==, figureFileBig=JQWJl9Zg3EPKg+dcspN0gw==, tableContent=null), ArticleFig(id=1170297373885473777, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=MzZNYHbRFPDSIWfOy6aCyg==, figureFileBig=4gHEs/qRhXljDcJWIxORBg==, tableContent=null), ArticleFig(id=1170297373944194034, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图8, caption=
优化前后曲率对比, figureFileSmall=MzZNYHbRFPDSIWfOy6aCyg==, figureFileBig=4gHEs/qRhXljDcJWIxORBg==, tableContent=null), ArticleFig(id=1170297373994525683, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=TcJayoUMxkXDYui8EF4Mdg==, figureFileBig=lDMAszDylmDw08nb04MDcg==, tableContent=null), ArticleFig(id=1170297374090994676, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图9, caption=
狭窄通道场景路径规划对比结果, figureFileSmall=TcJayoUMxkXDYui8EF4Mdg==, figureFileBig=lDMAszDylmDw08nb04MDcg==, tableContent=null), ArticleFig(id=1170297374137132021, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=OTUPZWnukT3uetiOx/NHeg==, figureFileBig=QSDoHfoA3pTTi/0kK2nP2Q==, tableContent=null), ArticleFig(id=1170297374191657974, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图10, caption=
开阔区域场景路径规划对比结果, figureFileSmall=OTUPZWnukT3uetiOx/NHeg==, figureFileBig=QSDoHfoA3pTTi/0kK2nP2Q==, tableContent=null), ArticleFig(id=1170297374279738359, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=Op0GnRkkUSd7bLE9Pgz7LA==, figureFileBig=PcNcTf19h9b90GrRUQ25bQ==, tableContent=null), ArticleFig(id=1170297374342652920, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图11, caption=
路径长度与搜索耗时散点分布, figureFileSmall=Op0GnRkkUSd7bLE9Pgz7LA==, figureFileBig=PcNcTf19h9b90GrRUQ25bQ==, tableContent=null), ArticleFig(id=1170297374405567481, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=E2clLW95IjlP+3cblcnThA==, figureFileBig=1yvbw6QfLXVku8nt71KRlg==, tableContent=null), ArticleFig(id=1170297374472676346, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图12, caption=
地图构建, figureFileSmall=E2clLW95IjlP+3cblcnThA==, figureFileBig=1yvbw6QfLXVku8nt71KRlg==, tableContent=null), ArticleFig(id=1170297374531396603, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=iE7G1NcQ6cr135JMIbwQww==, figureFileBig=i6yb276sC/hPltSnvbxA/w==, tableContent=null), ArticleFig(id=1170297374594311164, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图13, caption=
无人驾驶乘用车平台, figureFileSmall=iE7G1NcQ6cr135JMIbwQww==, figureFileBig=i6yb276sC/hPltSnvbxA/w==, tableContent=null), ArticleFig(id=1170297374657225725, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=YPNmpbAVitnZY9Rhi4KLnw==, figureFileBig=5AH/43Rq+kPxtjr6K0wTMg==, tableContent=null), ArticleFig(id=1170297374745306110, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图14, caption=
实车路径规划结果对比, figureFileSmall=YPNmpbAVitnZY9Rhi4KLnw==, figureFileBig=5AH/43Rq+kPxtjr6K0wTMg==, tableContent=null), ArticleFig(id=1170297374845969407, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=WdL3uVjGVUfTl+/UOA3ptw==, figureFileBig=Lwo1p/aRIUXPUNjKVWZalg==, tableContent=null), ArticleFig(id=1170297374938244096, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图15, caption=
横向误差曲线对比, figureFileSmall=WdL3uVjGVUfTl+/UOA3ptw==, figureFileBig=Lwo1p/aRIUXPUNjKVWZalg==, tableContent=null), ArticleFig(id=1170297375059877888, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=hPEC1QV9tp7/YNhbqQquiw==, figureFileBig=PEBcfv4boXVzODbtvQuHTg==, tableContent=null), ArticleFig(id=1170297375122792449, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图16, caption=
横摆角误差曲线对比, figureFileSmall=hPEC1QV9tp7/YNhbqQquiw==, figureFileBig=PEBcfv4boXVzODbtvQuHTg==, tableContent=null), ArticleFig(id=1170297375210872834, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=KckAx2IA3dMCYe4m0SCTZQ==, figureFileBig=1NEZtlLlslsrF+LXxJfChQ==, tableContent=null), ArticleFig(id=1170297375336701955, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=图17, caption=
转向盘转角曲线对比, figureFileSmall=KckAx2IA3dMCYe4m0SCTZQ==, figureFileBig=1NEZtlLlslsrF+LXxJfChQ==, tableContent=null), ArticleFig(id=1170297375487696900, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 拓展步长S/m | 2 |
| 最大前轮转向角/(°) | 30 |
| 最小前轮转向角/(°) | -30 |
| 前轮转角离散数量N | 5 |
| 轴距L/m | 2.92 |
| 轮距/m | 1.6 |
| 最小离地间隙H/m | 0.15 |
| 轮宽/m | 0.246 |
| 轮长/m | 0.635 |
| 安全阈值/m | 0.3,0.1,0.05 |
| 代价函数权重 | 0.95,2.75,20 |
| 代价函数权重α β γ | 0.01,0.2,0.001 |
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试验参数
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| 参数 | 数值 |
| 拓展步长S/m | 2 |
| 最大前轮转向角/(°) | 30 |
| 最小前轮转向角/(°) | -30 |
| 前轮转角离散数量N | 5 |
| 轴距L/m | 2.92 |
| 轮距/m | 1.6 |
| 最小离地间隙H/m | 0.15 |
| 轮宽/m | 0.246 |
| 轮长/m | 0.635 |
| 安全阈值/m | 0.3,0.1,0.05 |
| 代价函数权重 | 0.95,2.75,20 |
| 代价函数权重α β γ | 0.01,0.2,0.001 |
), ArticleFig(id=1170297375630303238, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 场景 | 算法种类 | 路径长度/m | 路径曲率变化量累加值/m-1 | 拓展节点数量 | 搜索耗时/ms |
| 狭窄通道场景 | 传统方法 | 43.12 | 30.24 | 92 | 75 |
| 本文方法 | 42.91 | 26.70 | 43 | 61 |
| 开阔区域场景 | 传统方法 | 58.62 | 49.38 | 522 | 189 |
| 本文方法 | 46.51 | 36.42 | 81 | 93 |
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仿真试验数据对比
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| 场景 | 算法种类 | 路径长度/m | 路径曲率变化量累加值/m-1 | 拓展节点数量 | 搜索耗时/ms |
| 狭窄通道场景 | 传统方法 | 43.12 | 30.24 | 92 | 75 |
| 本文方法 | 42.91 | 26.70 | 43 | 61 |
| 开阔区域场景 | 传统方法 | 58.62 | 49.38 | 522 | 189 |
| 本文方法 | 46.51 | 36.42 | 81 | 93 |
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| 算法种类 | 平均搜索耗时/s | 平均路径长度/m |
| 传统方法 | 0.126 | 58.37 |
| 本文方法 | 0.055 | 54.29 |
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统计试验数据对比
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| 算法种类 | 平均搜索耗时/s | 平均路径长度/m |
| 传统方法 | 0.126 | 58.37 |
| 本文方法 | 0.055 | 54.29 |
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| 算法种类 | 路径长度/m | 路径曲率变化量累加值/m-1 | 拓展节点数量 | 搜索耗时/ms |
| 传统方法 | 39.03 | 6.26 | 547 | 239.19 |
| 本文方法 | 38.53 | 6.91 | 137 | 52.10 |
), ArticleFig(id=1170297376066510859, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149781736273437270, language=CN, label=表4, caption=
实车试验数据对比
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| 算法种类 | 路径长度/m | 路径曲率变化量累加值/m-1 | 拓展节点数量 | 搜索耗时/ms |
| 传统方法 | 39.03 | 6.26 | 547 | 239.19 |
| 本文方法 | 38.53 | 6.91 | 137 | 52.10 |
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