Article(id=1149420602622116158, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.04.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1717257600000, receivedDateStr=2024-06-02, revisedDate=1726243200000, revisedDateStr=2024-09-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1751972826867, onlineDateStr=2025-07-08, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751972826867, onlineIssueDateStr=2025-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751972826867, creator=13701087609, updateTime=1751972826867, 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=645, endPage=657, ext={EN=ArticleExt(id=1149420602915717440, articleId=1149420602622116158, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Trajectory Planning for Autonomous Vehicles Considering Complex Terrains and Obstacle Scales, columnId=1149809888211198868, journalTitle=Automotive Engineering, columnName=Feature Topic:Key Technologies on Intelligent and Connected Vehicles, runingTitle=null, highlight=
Unstructured road often has uneven surface and varying obstacle sizes. Neglecting the uneven terrain and handling obstacles improperly can lead to an imbalance between vehicle safety and travel efficiency. To cope with this challenge,in this paper a trajectory planning method that considers complex terrain and obstacle scales (TOTP) for unstructured road is proposed. Firstly,the trajectory-planning framework for unstructured road is established based on vehicle passability analysis,to determine the optimal travel pattern. Then,an operational risk field is established based on road roughness and obstacle’s size information. In addition,considering both operational risk and travel efficiency,an obstacle avoidance path planning method based on dynamic programming and an obstacle crossing path planning method based on improved A* are proposed. Furthermore,based on vehicle stability analysis,a speed planning method considering terrain constraints is proposed. Finally,real-world experiments are conducted,and the experimental results show that under unstructured road conditions,the trajectory planning method proposed in this paper increases the average vehicle speed by 15.8%,with the average absolute pitch angle and average absolute roll angle reduced by 68.1% and 73.6% respectively. This method can effectively coordinate the safety and efficiency of vehicle operation,demonstrating good generalization and meeting the requirements of real-time performance.
, articleAbstract=
Unstructured road often has uneven surface and varying obstacle sizes. Neglecting the uneven terrain and handling obstacles improperly can lead to an imbalance between vehicle safety and travel efficiency. To cope with this challenge, in this paper a trajectory planning method that considers complex terrain and obstacle scales (TOTP) for unstructured road is proposed. Firstly, the trajectoryplanning framework for unstructured road is established based on vehicle passability analysis, to determine the optimal travel pattern. Then, an operational risk field is established based on road roughness and obstacle's size information. In addition, considering both operational risk and travel efficiency, an obstacle avoidance path planning method based on dynamic programming and an obstacle crossing path planning method based on improved A* are proposed. Furthermore, based on vehicle stability analysis, a speed planning method considering terrain constraints is proposed. Finally, realworld experiments are conducted, and the experimental results show that under unstructured road conditions, the trajectory planning method proposed in this paper increases the average vehicle speed by 15.8%, with the average absolute pitch angle and average absolute roll angle reduced by 68.1% and 73.6% respectively. This method can effectively coordinate the safety and efficiency of vehicle operation, demonstrating good generalization and meeting the requirements of realtime performance.
, correspAuthors=Shida Nie, 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=Congshuai Guo, Hui Liu, Shida Nie, Yingjie Song, Yujia Xie, Fawang Zhang), CN=ArticleExt(id=1149420620213027413, articleId=1149420602622116158, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=考虑复杂地形和障碍尺度的无人车轨迹规划
*, columnId=1149809888341222293, journalTitle=汽车工程, columnName=专题:汽车智能化关键技术, runingTitle=null, highlight=
非结构化道路往往路面起伏不平,障碍物尺度不一,忽视起伏地形及不合理处理障碍物会造成车辆运行安全性和通行效率失衡。为应对上述挑战,本文提出了考虑复杂地形和障碍尺度的轨迹规划方法。首先,基于车辆通过性分析建立了面向非结构化道路的轨迹规划框架,判定最优通行模式。其次,基于路面粗糙程度和障碍物尺度信息建立了运行风险场。另外,综合考虑运行风险和通行效率,提出了基于动态规划的避障路径规划算法和基于改进A*的跨障路径规划算法。进一步的,基于稳定性分析,提出了考虑地形约束的速度规划方法。最后,进行了实车试验。试验结果表明,非结构化道路起伏地形条件下,本文所提的轨迹规划方法平均车速提高15.8%,平均绝对俯仰角和平均绝对侧倾角分别降低68.1%和73.6%,可有效协调车辆运行安全性和通行效率,具有较好的泛化性且符合实时性需求。
, articleAbstract=
非结构化道路往往路面起伏不平,障碍物尺度不一,忽视起伏地形及不合理处理障碍物会造成车辆运行安全性和通行效率失衡。为应对上述挑战,本文提出了考虑复杂地形和障碍尺度的轨迹规划方法。首先,基于车辆通过性分析建立了面向非结构化道路的轨迹规划框架,判定最优通行模式。其次,基于路面粗糙程度和障碍物尺度信息建立了运行风险场。另外,综合考虑运行风险和通行效率,提出了基于动态规划的避障路径规划算法和基于改进A*的跨障路径规划算法。进一步的,基于稳定性分析,提出了考虑地形约束的速度规划方法。最后,进行了实车试验。试验结果表明,非结构化道路起伏地形条件下,本文所提的轨迹规划方法平均车速提高15.8%,平均绝对俯仰角和平均绝对侧倾角分别降低68.1%和73.6%,可有效协调车辆运行安全性和通行效率,具有较好的泛化性且符合实时性需求。
, correspAuthors=聂士达, authorNote=null, correspAuthorsNote=
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, authorsList=郭丛帅, 刘辉, 聂士达, 宋英杰, 谢雨佳, 张发旺)}, authors=[Author(id=1170299373918368619, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420602622116158, 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=1170299373989671788, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420602622116158, authorId=1170299373918368619, language=EN, stringName=Congshuai Guo, firstName=Congshuai, middleName=null, lastName=Guo, 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=1170299374052586349, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420602622116158, authorId=1170299373918368619, 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| 工况 名称 | 工况特点 | 试验目的 |
| 工况1 | 包含起伏路面 | 验证TOTP对复杂地形的处理能力 | 算法 有效性 | 泛化能力 |
| 工况2 | 包含起伏路面和不可跨越障碍 | 验证TOTP对复杂地形和不可跨越障碍物的处理能力 |
| 工况3 | 包含可跨越障碍和不可跨越障碍 | 验证非结构化道路同时存在可跨越和不可跨越障碍时TOTP的处理能力 | 决策 合理性 |
| 工况4 | 包含可跨越障碍和起伏路面 | 验证同时存在起伏道路和可跨越障碍条件下TOTP的处理能力 |
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试验工况及目的
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| 工况 名称 | 工况特点 | 试验目的 |
| 工况1 | 包含起伏路面 | 验证TOTP对复杂地形的处理能力 | 算法 有效性 | 泛化能力 |
| 工况2 | 包含起伏路面和不可跨越障碍 | 验证TOTP对复杂地形和不可跨越障碍物的处理能力 |
| 工况3 | 包含可跨越障碍和不可跨越障碍 | 验证非结构化道路同时存在可跨越和不可跨越障碍时TOTP的处理能力 | 决策 合理性 |
| 工况4 | 包含可跨越障碍和起伏路面 | 验证同时存在起伏道路和可跨越障碍条件下TOTP的处理能力 |
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| 参数 | 数值 |
| 车辆长度 Lv/m | 4.610 |
| 车辆宽度 W/m | 1.826 |
| 车辆高度 H/m | 1.763 |
| 车辆质量 m/kg | 2 285 |
| 轴距 L/m | 2.69 |
| 轮距 B/m | 1.581 |
| 质心高度 hg/m | 0.67 |
| 最小离地间隙 h/m | 0.283 |
| 两侧轮胎内缘距离 b/m | 1.36 |
| 车辆前轴刚度 /(N·m-1) | 39 600 |
| 车辆后轴刚度 /(N·m-1) | 39 600 |
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车辆参数
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| 参数 | 数值 |
| 车辆长度 Lv/m | 4.610 |
| 车辆宽度 W/m | 1.826 |
| 车辆高度 H/m | 1.763 |
| 车辆质量 m/kg | 2 285 |
| 轴距 L/m | 2.69 |
| 轮距 B/m | 1.581 |
| 质心高度 hg/m | 0.67 |
| 最小离地间隙 h/m | 0.283 |
| 两侧轮胎内缘距离 b/m | 1.36 |
| 车辆前轴刚度 /(N·m-1) | 39 600 |
| 车辆后轴刚度 /(N·m-1) | 39 600 |
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| 项目 | MAP/rad | MAR/rad | MV/( ) |
| EM Planner | 0.074 | 0.096 | 3.71 |
| TOTP | 0.022 | 0.026 | 5.21 |
| 对比 | -70.3% | -72.9% | 40.4% |
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工况1各项数据对比
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| 项目 | MAP/rad | MAR/rad | MV/( ) |
| EM Planner | 0.074 | 0.096 | 3.71 |
| TOTP | 0.022 | 0.026 | 5.21 |
| 对比 | -70.3% | -72.9% | 40.4% |
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| 项目 | MAP/rad | MAR/rad | MV/( ) |
| EM Planner | 0.047 | 0.072 | 5.62 |
| TOTP | 0.015 | 0.019 | 6.51 |
| 对比 | -68.1% | -73.6% | 15.8% |
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工况2各项数据对比
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| 项目 | MAP/rad | MAR/rad | MV/( ) |
| EM Planner | 0.047 | 0.072 | 5.62 |
| TOTP | 0.015 | 0.019 | 6.51 |
| 对比 | -68.1% | -73.6% | 15.8% |
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| 项目 | MAP/rad | MAR/rad | MV /( ) | MALA /( ) |
| 避障 | 0.006 | 0.009 | 5.58 | 1.65 |
| 跨障 | 0.007 | 0.009 | 7.23 | 0.47 |
| 对比 | 16.6% | 0 | 29.6% | -71.5% |
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工况3各项数据对比
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| 项目 | MAP/rad | MAR/rad | MV /( ) | MALA /( ) |
| 避障 | 0.006 | 0.009 | 5.58 | 1.65 |
| 跨障 | 0.007 | 0.009 | 7.23 | 0.47 |
| 对比 | 16.6% | 0 | 29.6% | -71.5% |
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| 项目 | | | | J |
| 避障 | 385.44 | 145.87 | 120.40 | 651.71 |
| 跨障 | 245.49 | 34.92 | 122.78 | 403.19 |
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工况3避障跨障代价对比
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| 项目 | | | | J |
| 避障 | 385.44 | 145.87 | 120.40 | 651.71 |
| 跨障 | 245.49 | 34.92 | 122.78 | 403.19 |
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| 项目 | MAP/rad | MAR/rad | MV/( ) | MALA/( ) |
| 避障 | 0.015 | 0.012 | 6.19 | 1.53 |
| 跨障 | 0.041 | 0.039 | 5.79 | 0.45 |
| 对比 | 173.3% | 225.0% | -6.4% | -70.6% |
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工况4各项数据对比
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| 项目 | MAP/rad | MAR/rad | MV/( ) | MALA/( ) |
| 避障 | 0.015 | 0.012 | 6.19 | 1.53 |
| 跨障 | 0.041 | 0.039 | 5.79 | 0.45 |
| 对比 | 173.3% | 225.0% | -6.4% | -70.6% |
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| 项目 | | | | J |
| 避障 | 355.46 | 137.87 | 128.72 | 622.05 |
| 跨障 | 407.34 | 29.92 | 307.44 | 744.7 |
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工况4避障跨障代价对比
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| 项目 | | | | J |
| 避障 | 355.46 | 137.87 | 128.72 | 622.05 |
| 跨障 | 407.34 | 29.92 | 307.44 | 744.7 |
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| 跨障规划 平均耗时 | 避障规划 平均耗时 | 速度规划 平均耗时 | 总耗时 |
| 20.3 | 21.57 | 18.3 | 60.37 |
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轨迹规划耗时 ms
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| 跨障规划 平均耗时 | 避障规划 平均耗时 | 速度规划 平均耗时 | 总耗时 |
| 20.3 | 21.57 | 18.3 | 60.37 |
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