Article(id=1311360867938169039, tenantId=1146029695717560320, journalId=1240618002186551303, issueId=1311360859318870426, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-4653.2026.04.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1764259200000, receivedDateStr=2025-11-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790582394823, onlineDateStr=2026-09-28, pubDate=1787587200000, pubDateStr=2026-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790582394823, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790582394823, creator=13701087609, updateTime=1790582394823, updator=13701087609, issue=Issue{id=1311360859318870426, tenantId=1146029695717560320, journalId=1240618002186551303, year='2026', volume='49', issue='4', pageStart='1', pageEnd='185', issueExtLink='null', onlineDate='null', pubDate='1787587200000', pubDateStr='2026-08-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790582392768, creator='13701087609', updateTime=1790583829226, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311366884331716830, tenantId=1146029695717560320, journalId=1240618002186551303, issueId=1311360859318870426, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311366884331716831, tenantId=1146029695717560320, journalId=1240618002186551303, issueId=1311360859318870426, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1, endPage=11, ext={EN=ArticleExt(id=1311360868139495632, articleId=1311360867938169039, tenantId=1146029695717560320, journalId=1240618002186551303, language=EN, title=Fixed-altitude 3D path planning for unmanned underwater vehicle using improved hybrid A*, columnId=1240655021340160960, journalTitle=Navigation of China, columnName=Intelligent Shipping, runingTitle=null, highlight=null, articleAbstract=

To address the altitude-constrained path planning problem for Unmanned Underwater Vehicles (UUVs) in complex terrain environments, this paper proposes an improved hybrid A* path planning algorithm based on UUV motion characteristics, termed UUVA*. Firstly, the traditional hybrid A* algorithm is extended by expanding the state space and incorporating the nonholonomic motion constraints of UUVs. Secondly, motion primitives tailored to UUV navigation characteristics are designed, and the cost function is optimized to generate smoother and more navigable paths. Finally, to enhance search efficiency, a multi-resolution hierarchical search strategy and branch pruning mechanism are introduced, significantly reducing the number of node expansions. Simulation tests conducted in two representative complex terrains—submarine hills, and submarine canyons—verify the altitude-constrained planning capability of the proposed algorithm. Furthermore, comparative experiments against classical A* algorithm, hybrid A*, and RRT* algorithms are conducted. The result shows that the generated paths are smoother and yield smaller tracking errors, making the proposed algorithm more suitable for practical UUV applications, which verifies the superior performance of the proposed method in terms of trajectory tracking error and path navigability.

, authors=Zheping Yan*, Yue Dong, authorsList=Zheping Yan, Yue Dong, authorCompany=null, correspAuthors=Zheping Yan, 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, fund=null), CN=ArticleExt(id=1311360868533760209, articleId=1311360867938169039, tenantId=1146029695717560320, journalId=1240618002186551303, language=CN, title=基于UUV模型的三维混合A*定高路径规划, columnId=1240655021528904650, journalTitle=中国航海, columnName=智能航运, runingTitle=null, highlight=null, articleAbstract=

针对无人水下航行器(UUV)在复杂地形环境下的定高路径规划问题,提出了一种基于UUV运动特性改进的混合A*路径规划算法(UUVA*)。首先,结合UUV的非完整运动约束,对传统混合A*算法进行状态空间扩展。其次,设计了适应UUV航行特性的运动基元,同时对代价函数进行优化,引导生成平滑且适航的路径。最后,为提高搜索效率,本文引入了多分辨率分层搜索与分支修剪机制,显著减少了节点扩展数量。通过在海底山丘、海底峡谷两种典型复杂地形下的仿真测试,验证了算法的定高规划能力,并与经典A*、混合A*算法和RRT*算法进行对比仿真试验。结果表明,所提算法生成的路径更加平滑,UUV跟踪误差更小,更适合实际应用,验证了本文方法在轨迹跟踪误差和路径可航行性方面的优越性。

, authors=严浙平*, 董岳, authorsList=严浙平, 董岳, authorCompany=null, correspAuthors=严浙平, authorNote=null, correspAuthorsNote=
严浙平(1972—),男,教授,博士,研究方向为水下无人系统及潜航器自主与智能控制技术,(E-mail)
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基于UUV模型的三维混合A*定高路径规划
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严浙平 * , 董岳
中国航海 | 智能航运 2026,49(4): 1-11
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中国航海 |智能航运 2026 , 49 (4) : 1 -11
基于UUV模型的三维混合A*定高路径规划
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严浙平* , 董岳
作者信息
  • 哈尔滨工程大学 青岛创新发展基地,山东 青岛 266000
通讯作者:
严浙平(1972—),男,教授,博士,研究方向为水下无人系统及潜航器自主与智能控制技术,(E-mail)
Fixed-altitude 3D path planning for unmanned underwater vehicle using improved hybrid A*
Zheping Yan* , Yue Dong
Affiliations
  • Qingdao Innovation Development Base, Harbin Engineering University, Qingdao 266000, China
出版时间: 2026-08-25 doi: 10.3969/j.issn.1000-4653.2026.04.001
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针对无人水下航行器(UUV)在复杂地形环境下的定高路径规划问题,提出了一种基于UUV运动特性改进的混合A*路径规划算法(UUVA*)。首先,结合UUV的非完整运动约束,对传统混合A*算法进行状态空间扩展。其次,设计了适应UUV航行特性的运动基元,同时对代价函数进行优化,引导生成平滑且适航的路径。最后,为提高搜索效率,本文引入了多分辨率分层搜索与分支修剪机制,显著减少了节点扩展数量。通过在海底山丘、海底峡谷两种典型复杂地形下的仿真测试,验证了算法的定高规划能力,并与经典A*、混合A*算法和RRT*算法进行对比仿真试验。结果表明,所提算法生成的路径更加平滑,UUV跟踪误差更小,更适合实际应用,验证了本文方法在轨迹跟踪误差和路径可航行性方面的优越性。

智能航运  /  路径规划  /  改进混合A*算法  /  无人水下航行器  /  地形跟踪  /  动力学约束

To address the altitude-constrained path planning problem for Unmanned Underwater Vehicles (UUVs) in complex terrain environments, this paper proposes an improved hybrid A* path planning algorithm based on UUV motion characteristics, termed UUVA*. Firstly, the traditional hybrid A* algorithm is extended by expanding the state space and incorporating the nonholonomic motion constraints of UUVs. Secondly, motion primitives tailored to UUV navigation characteristics are designed, and the cost function is optimized to generate smoother and more navigable paths. Finally, to enhance search efficiency, a multi-resolution hierarchical search strategy and branch pruning mechanism are introduced, significantly reducing the number of node expansions. Simulation tests conducted in two representative complex terrains—submarine hills, and submarine canyons—verify the altitude-constrained planning capability of the proposed algorithm. Furthermore, comparative experiments against classical A* algorithm, hybrid A*, and RRT* algorithms are conducted. The result shows that the generated paths are smoother and yield smaller tracking errors, making the proposed algorithm more suitable for practical UUV applications, which verifies the superior performance of the proposed method in terms of trajectory tracking error and path navigability.

intelligent shipping  /  path planning  /  the improved hybrid A* algorithm  /  unmanned underwater vehicle  /  terrain following  /  dynamic constraints
严浙平, 董岳. 基于UUV模型的三维混合A*定高路径规划. 中国航海, 2026 , 49 (4) : 1 -11 . DOI: 10.3969/j.issn.1000-4653.2026.04.001
Zheping Yan, Yue Dong. Fixed-altitude 3D path planning for unmanned underwater vehicle using improved hybrid A*[J]. Navigation of China, 2026 , 49 (4) : 1 -11 . DOI: 10.3969/j.issn.1000-4653.2026.04.001
  • 国家自然科学基金项目(52571334)
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doi: 10.3969/j.issn.1000-4653.2026.04.001
  • 接收时间:2025-11-28
  • 首发时间:2026-09-28
  • 出版时间:2026-08-25
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  • 收稿日期:2025-11-28
基金
国家自然科学基金项目(52571334)
作者信息
    哈尔滨工程大学 青岛创新发展基地,山东 青岛 266000

通讯作者:

严浙平(1972—),男,教授,博士,研究方向为水下无人系统及潜航器自主与智能控制技术,(E-mail)
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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