Article(id=1322506673068032814, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322506501562937604, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2025.02.047, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1740240000000, receivedDateStr=2025-02-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793239761845, onlineDateStr=2026-10-29, pubDate=1765728000000, pubDateStr=2025-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793239761845, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793239761845, creator=13701087609, updateTime=1793239761845, updator=13701087609, issue=Issue{id=1322506501562937604, tenantId=1146029695717560320, journalId=1281212831689347082, year='2025', volume='45', issue='12', pageStart='1211', pageEnd='1316', issueExtLink='null', onlineDate='null', pubDate='1765728000000', pubDateStr='2025-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793239720954, creator='13701087609', updateTime=1793239720954, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1240, endPage=1245, 1259, ext={EN=ArticleExt(id=1322506673491657519, articleId=1322506673068032814, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Indoor Positioning Method Based on UWB and Low-Cost MEMS IMU Fusion, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A combined positioning method that integrates ultra wide band (UWB) with low-cost micro-electro-mechanical systems (MEMS) inertial measurement unit (IMU) is proposed. Initially, UWB ranging data is optimized using ranging bias correction and Kalman filtering. Subsequently, the complementary strengths of multiple sensors are leveraged through a UWB/IMU fusion model. Experimental results demonstrate that the optimized UWB achieves an improvement in average positioning accuracy from 15.70 cm to 13.75 cm, with the RMSE decreasing from 22.45 cm to 19.70 cm. In non-line-of-sight (NLOS) scenarios, even when UWB signals experience abrupt changes or are lost, the fused system can still provide continuous and reliable positional information, with an average accuracy of 13.23 cm and an RMSE of 17.90 cm.
, authors=Zhiling ZHOU
1, Dongliang GUAN
1, *, Qinghua ZHANG
2, Haiwen SUN
1, Lei ZHOU
1, Yimin XIA
1, authorsList=Zhiling ZHOU, Dongliang GUAN, Qinghua ZHANG, Haiwen SUN, Lei ZHOU, Yimin XIA, authorCompany=null, correspAuthors=Dongliang GUAN, authorNote=
, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., 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=1322506677430108992, articleId=1322506673068032814, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=UWB与低成本MEMS IMU组合的室内定位方法研究, columnId=1322506169105633839, journalTitle=大地测量与地球动力学, columnName=现代大地测量, runingTitle=null, highlight=null, articleAbstract=
提出一种融合超宽带(UWB)与低成本微机电(MEMS)惯性测量单元(IMU)的组合定位方法。首先利用测距偏差校正与卡尔曼滤波对UWB测距数据进行优化,再通过UWB/IMU融合模型实现多源传感器优势互补。实验结果表明,优化后UWB的平均定位精度由15.70 cm提升至13.75 cm,RMSE由22.45 cm降至19.70 cm。在非视距(NLOS)场景中,当UWB信号突变或丢失时,融合系统仍能提供连续可靠的位置信息,平均精度为13.23 cm,RMSE为17.90 cm。
, authors=周志凌
1, 管栋良
1, *, 张清华
2, 孙海文
1, 周磊
1, 夏逸旻
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版权所有,未经授权,不得转载。, copyrightOwner=大地测量与地球动力学编辑部, extLink=null, articleAbsUrl=null, sourceXml=ezAqfByWJgdU5jyaTpnmoA==, magXml=uM11jzpWJ3xK2ZthiqB/ug==, pdfUrl=null, pdf=gYg4ouACYBQn6+mdZsf2YQ==, pdfFileSize=5204853, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=mTE7ernso3BYfRZ+fknyKg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=m5kNASi5MNUHIjZ2B+Wb9Q==, mapNumber=null, fund=null)}, authors=[Author(id=1322506677836956488, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhouzhiling@njtech.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322506677946008394, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, authorId=1322506677836956488, language=EN, stringName=Zhiling ZHOU, firstName=Zhiling, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1 School of Geomatics Science and Technology, Nanjing Tech University, 30 South-Puzhu Road, Nanjing 211816, China, bio={"content":"
ZHOU Zhiling, postgraduate, majors in indoor and outdoor fusion positioning, E-mail: zhouzhiling@njtech.edu.cn
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ZHOU Zhiling, postgraduate, majors in indoor and outdoor fusion positioning, E-mail: zhouzhiling@njtech.edu.cn
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周志凌,硕士生,主要研究方向为室内外融合定位,E-mail:zhouzhiling@njtech.edu.cn
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The schematic diagram of ADS-TWR, figureFileSmall=AcDz5eYRohGHomSnSbz99w==, figureFileBig=mTE7ernso3BYfRZ+fknyKg==, tableContent=null), ArticleFig(id=1322506682794623857, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图1, caption=
非对称双边双向测距方法原理图, figureFileSmall=AcDz5eYRohGHomSnSbz99w==, figureFileBig=mTE7ernso3BYfRZ+fknyKg==, tableContent=null), ArticleFig(id=1322506683230831474, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Fig. 2, caption=
UWB ranging fitting curve, figureFileSmall=7VIBDCY8xucX3dir+c1JRw==, figureFileBig=q9DOGecMZvQ1Lg2h5BQRLw==, tableContent=null), ArticleFig(id=1322506683293746035, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图2, caption=
UWB测距拟合曲线, figureFileSmall=7VIBDCY8xucX3dir+c1JRw==, figureFileBig=q9DOGecMZvQ1Lg2h5BQRLw==, tableContent=null), ArticleFig(id=1322506683373437812, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Fig. 3, caption=
Schematic diagram of the layout of the experimental site, figureFileSmall=gu99vPrI8IiEmcXpV1G2Pw==, figureFileBig=8r8BdBJ9h3DthSZ5xkSnKg==, tableContent=null), ArticleFig(id=1322506683440546677, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图3, caption=
实验场地布设示意图, figureFileSmall=gu99vPrI8IiEmcXpV1G2Pw==, figureFileBig=8r8BdBJ9h3DthSZ5xkSnKg==, tableContent=null), ArticleFig(id=1322506683507655542, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Fig. 4, caption=
Schematic diagram of the assembly of the experimental equipment, figureFileSmall=/0oS3C1DapSBMDY9ru/B6g==, figureFileBig=s7h0n0Szl47acN/xMJdqqA==, tableContent=null), ArticleFig(id=1322506683574764407, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图4, caption=
实验设备安装示意图, figureFileSmall=/0oS3C1DapSBMDY9ru/B6g==, figureFileBig=s7h0n0Szl47acN/xMJdqqA==, tableContent=null), ArticleFig(id=1322506683654456184, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Fig. 5, caption=
UWB raw ranging data positioning results and optimized ranging data positioning results, figureFileSmall=jl4RRYLwE6IaKAyPyUPVww==, figureFileBig=Mzvc4k7mQieSStsdHqARog==, tableContent=null), ArticleFig(id=1322506683759313785, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图5, caption=
UWB原始测距数据定位结果与优化后测距数据定位结果, figureFileSmall=jl4RRYLwE6IaKAyPyUPVww==, figureFileBig=Mzvc4k7mQieSStsdHqARog==, tableContent=null), ArticleFig(id=1322506683876754298, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Fig. 6, caption=
UWB/IMU combined positioning results under NLOS conditions with UWB positioning anomalies, figureFileSmall=fcPt3qIF0F1QCUPOjL2WYA==, figureFileBig=e4ZfJt9kuDwdGlIxW/icqA==, tableContent=null), ArticleFig(id=1322506683948057467, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图6, caption=
NLOS条件下UWB定位异常时UWB/IMU组合定位结果, figureFileSmall=fcPt3qIF0F1QCUPOjL2WYA==, figureFileBig=e4ZfJt9kuDwdGlIxW/icqA==, tableContent=null), ArticleFig(id=1322506684052915068, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Fig. 7, caption=
UWB and UWB/IMU combined positioning trajectories when UWB cannot be located under NLOS conditions, figureFileSmall=6+jQ2Pfs5xNnXPkhslRvuQ==, figureFileBig=DCVKbQvkhK39w1xpBs5dOQ==, tableContent=null), ArticleFig(id=1322506684120023933, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图7, caption=
NLOS条件下UWB无法定位时UWB及UWB/IMU组合定位轨迹, figureFileSmall=6+jQ2Pfs5xNnXPkhslRvuQ==, figureFileBig=DCVKbQvkhK39w1xpBs5dOQ==, tableContent=null), ArticleFig(id=1322506684203910014, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Fig. 8, caption=
Statistics of the number of effective ranges using UWB, figureFileSmall=L4uhAzOzSlvocZWF2ONd4w==, figureFileBig=6goJerqdCK9HaSBeAHZrvg==, tableContent=null), ArticleFig(id=1322506684291990399, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=图8, caption=
UWB有效测距数统计, figureFileSmall=L4uhAzOzSlvocZWF2ONd4w==, figureFileBig=6goJerqdCK9HaSBeAHZrvg==, tableContent=null), ArticleFig(id=1322506685961323392, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Tab. 1, caption=
UWB positioning errors
, figureFileSmall=null, figureFileBig=null, tableContent=
| 异常值处理 | 实验组 | 原始数据/m | | 优化后数据/m |
| 最大误差 | 平均误差 | RMSE | STD | 最大误差 | 平均误差 | RMSE | STD |
| 剔除异常值前 | 第1次实验 | 7.451 | 0.241 | 0.700 | 0.657 | | 6.916 | 0.214 | 0.642 | 0.605 |
| 第2次实验 | 12.546 | 0.300 | 1.120 | 1.079 | 1.301 | 0.280 | 1.227 | 1.195 |
| 剔除异常值后 | 第1次实验 | 0.859 | 0.166 | 0.238 | 0.171 | 0.785 | 0.145 | 0.208 | 0.152 |
| 第2次实验 | 0.777 | 0.148 | 0.211 | 0.150 | 0.694 | 0.130 | 0.186 | 0.133 |
), ArticleFig(id=1322506686074569601, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=表1, caption=
UWB定位误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 异常值处理 | 实验组 | 原始数据/m | | 优化后数据/m |
| 最大误差 | 平均误差 | RMSE | STD | 最大误差 | 平均误差 | RMSE | STD |
| 剔除异常值前 | 第1次实验 | 7.451 | 0.241 | 0.700 | 0.657 | | 6.916 | 0.214 | 0.642 | 0.605 |
| 第2次实验 | 12.546 | 0.300 | 1.120 | 1.079 | 1.301 | 0.280 | 1.227 | 1.195 |
| 剔除异常值后 | 第1次实验 | 0.859 | 0.166 | 0.238 | 0.171 | 0.785 | 0.145 | 0.208 | 0.152 |
| 第2次实验 | 0.777 | 0.148 | 0.211 | 0.150 | 0.694 | 0.130 | 0.186 | 0.133 |
), ArticleFig(id=1322506686179427202, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Tab. 2, caption=
UWB/IMU combined positioning accuracy under NLOS conditions with UWB positioning anomalies
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验 | 最大误差/m | 平均误差/m | RMSE/m | STD/m |
| 实验1 | 0.785 | 0.138 | 0.204 | 0.150 |
| 实验2 | 0.694 | 0.133 | 0.190 | 0.135 |
), ArticleFig(id=1322506686250730371, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=表2, caption=
NLOS条件下UWB定位异常时UWB/IMU组合定位精度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验 | 最大误差/m | 平均误差/m | RMSE/m | STD/m |
| 实验1 | 0.785 | 0.138 | 0.204 | 0.150 |
| 实验2 | 0.694 | 0.133 | 0.190 | 0.135 |
), ArticleFig(id=1322506686330422148, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=EN, label=Tab. 3, caption=
Positioning accuracy of UWB/IMU combination when UWB cannot be located under NLOS conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验组 | 最大误差/m | 平均误差/m | RMSE/m | STD/m |
| 实验1 | 0.442 | 0.144 | 0.175 | 0.099 |
| 实验2 | 0.308 | 0.114 | 0.147 | 0.092 |
), ArticleFig(id=1322506686439474053, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506673068032814, language=CN, label=表3, caption=
NLOS条件下UWB无法定位时UWB/IMU组合定位精度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验组 | 最大误差/m | 平均误差/m | RMSE/m | STD/m |
| 实验1 | 0.442 | 0.144 | 0.175 | 0.099 |
| 实验2 | 0.308 | 0.114 | 0.147 | 0.092 |
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