Article(id=1174385910406852869, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, articleNumber=1671-1807(2025)14-0027-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740672000000, receivedDateStr=2025-02-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1757925020075, onlineDateStr=2025-09-15, pubDate=1753372800000, pubDateStr=2025-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1757925020075, onlineIssueDateStr=2025-09-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1757925020075, creator=13701087609, updateTime=1757925020075, updator=13701087609, issue=Issue{id=1174385906053165285, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='14', pageStart='1', pageEnd='286', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1757925019038, creator=13701087609, updateTime=1758072769121, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175005614947316471, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175005614947316472, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1174385906053165285, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=27, endPage=31, ext={EN=ArticleExt(id=1174385910700454151, articleId=1174385910406852869, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Global Path Planning for Surface Unmanned Ships Based on Improved A
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To improve the efficiency of unmanned ships in completing water quality monitoring in complex working environments, an improved A* algorithm for global static path planning and an improved A * algorithm combined with artificial potential field method for local dynamic path planning were proposed. Firstly, the obstacles were inflated using a global algorithm, and the A* algorithm was improved by expanding the node search neighborhood method, so that the search movement direction of the current path point was no longer limited to integer multiples of 45 °. To improve the ability of dynamic path planning, the path points planned by the A* algorithm were used as local target points in the artificial potential field method. The artificial potential field method was improved by introducing distance factors and escape forces to solve the problem of unreachable targets and easy getting stuck in the minimum value. Finally, the effectiveness of the method was verified using Matlab. The results show that the unmanned ship could smoothly reach and pass through the water quality monitoring point. Compared with the traditional A* algorithm, the obtained path is smoother and the distance is shorter, effectively improving the efficiency of water quality monitoring.
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*算法和人工势场法的水面无人船全局路径规划, columnId=1151876674787832737, journalTitle=科技和产业, columnName=科技创新, runingTitle=null, highlight=null, articleAbstract=
为提高无人船在实际复杂工作环境中完成水质监测的效率,提出改进A*算法的全局静态路径规划算法以及改进A*算法和人工势场法结合的局部动态路径规划算法。首先通过全局算法对障碍物做膨胀处理,采用扩大节点搜索邻域法对A*算法完成改进,使当前路径点的搜索移动方向不再局限于45°的整数倍。为提高动态路径规划能力,将A*算法规划的路径点作为人工势场法的局部目标点,通过引入距离因子和逃逸力对人工势场法进行改进,解决目标不可达且容易陷入最小值的问题。最后利用MATLAB验证方法有效性,结果表明,无人船能顺利到达并经过水质监测点,且相比传统A*算法,得到的路径更加平滑,距离更短,有效地提高了水质监测效率。
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王亮亮(1994—),男,安徽合肥人,工程师,研究方向为电机控制、建筑智能化;
薛明明(1988—),男,陕西延安人,中级工程师,研究方向为建筑智能化;
王晓玲(1988—),女,内蒙古赤峰人,高级工程师,研究方向为机电设计、技术管理。
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王晓玲(1988—),女,内蒙古赤峰人,高级工程师,研究方向为机电设计、技术管理。
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2022(9): 63-68., articleTitle=基于改进人工势场算法的无人船路径规划, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1175040253590127180, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, xref=null, ext=[AuthorCompanyExt(id=1175040253598515789, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, companyId=1175040253590127180, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=China Construction Eighth Engineering Division Co. Ltd., Shanghai 200131, China), AuthorCompanyExt(id=1175040253606904398, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, companyId=1175040253590127180, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国建筑第八工程局有限公司, 上海 201131)])], figs=[ArticleFig(id=1175040255427232360, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=EN, label=null, caption=null, figureFileSmall=z5ep0JQpU1rd/vaN6XJylw==, figureFileBig=vg05mdJY99ByidTrOQzYrw==, tableContent=null), ArticleFig(id=1175040255565644393, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=CN, label=图1, caption=
改进后的24邻域A*算法, figureFileSmall=z5ep0JQpU1rd/vaN6XJylw==, figureFileBig=vg05mdJY99ByidTrOQzYrw==, tableContent=null), ArticleFig(id=1175040255641141866, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=EN, label=null, caption=null, figureFileSmall=6IwOigYIDg6qqcJIeLt7pA==, figureFileBig=pwGA1/ycp6JnotPHbEMAZw==, tableContent=null), ArticleFig(id=1175040255733416555, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=CN, label=图2, caption=
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改进A*算法的流程, figureFileSmall=I/9NJY/lCVS/Vnn2YgltbQ==, figureFileBig=HCifAuGq0IGUPOiGVbKD6A==, tableContent=null), ArticleFig(id=1175040257822179950, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=EN, label=null, caption=null, figureFileSmall=cBK1VQIyZ5fsCBmSgw1qUg==, figureFileBig=Fw7b7D4x2Gcfc2s4/zi7/Q==, tableContent=null), ArticleFig(id=1175040257897677423, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=CN, label=图4, caption=
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无障碍时的全局路径规划, figureFileSmall=3gPSSIb8Iso2EglzhUgNMQ==, figureFileBig=sn4ZWpHqJA0slzLsNepK8A==, tableContent=null), ArticleFig(id=1175040258128364146, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=EN, label=null, caption=null, figureFileSmall=Y0y7ttq32AbtCbBeS9IIRw==, figureFileBig=EcIIsG6xr11nRXqM3fCFGA==, tableContent=null), ArticleFig(id=1175040258208055923, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=CN, label=图6, caption=
有障碍物时的全局路径规划, figureFileSmall=Y0y7ttq32AbtCbBeS9IIRw==, figureFileBig=EcIIsG6xr11nRXqM3fCFGA==, tableContent=null), ArticleFig(id=1175040258283553396, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=EN, label=null, caption=null, figureFileSmall=RwlkrxkNS5yhTqqzcQ4WhQ==, figureFileBig=In2Q2w9+/GPd8BWi/0i7CQ==, tableContent=null), ArticleFig(id=1175040258329690741, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=CN, label=图7, caption=
混合算法的局部路径规划, figureFileSmall=RwlkrxkNS5yhTqqzcQ4WhQ==, figureFileBig=In2Q2w9+/GPd8BWi/0i7CQ==, tableContent=null), ArticleFig(id=1175040258380022390, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 邻域数量 | 代价值 | 节点数 | 耗时/s |
| 8 | 83.30 | 67 | 2.18 |
| 24 | 72.52 | 36 | 2.08 |
| 48 | 69.29 | 25 | 2.31 |
), ArticleFig(id=1175040258438742647, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1174385910406852869, language=CN, label=表1, caption=
有障碍物时三种A*算法数据对比
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| 邻域数量 | 代价值 | 节点数 | 耗时/s |
| 8 | 83.30 | 67 | 2.18 |
| 24 | 72.52 | 36 | 2.08 |
| 48 | 69.29 | 25 | 2.31 |
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