Article(id=1254362833454559611, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, articleNumber=null, orderNo=null, doi=10.13788/j.cnki.cbgc.2026.03.13, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1742918400000, receivedDateStr=2025-03-26, revisedDate=1750435200000, revisedDateStr=2025-06-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1776993004430, onlineDateStr=2026-04-24, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776993004430, onlineIssueDateStr=2026-04-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776993004430, creator=13701087609, updateTime=1776993004430, updator=13701087609, issue=Issue{id=1254362823425974931, tenantId=1146029695717560320, journalId=1254119036117037056, year='2026', volume='48', issue='3', pageStart='1', pageEnd='190', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776993002036, creator=13701087609, updateTime=1776993258606, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1254363899764077151, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1254363899764077152, tenantId=1146029695717560320, journalId=1254119036117037056, issueId=1254362823425974931, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=117, endPage=123, ext={EN=ArticleExt(id=1254362835199390093, articleId=1254362833454559611, tenantId=1146029695717560320, journalId=1254119036117037056, language=EN, title=Algorithm of Marine MEMS Dynamic Inclinometer Resistant to Effect of Sway and Surge, columnId=1254362827737727808, journalTitle=Ship Engineering, columnName=Ship Electrical, Conductivity Detection Equipment and Automatic Control, runingTitle=null, highlight=null, articleAbstract=
[Purpose] In order to apply the dynamic inclinometers based on low-cost micro electro mechanical systems (MEMS) inertial measurement units to ships conviniently, it is necessary to overcome the significant impact of the ship sway and surge motion in moored condition, which are periodic acceleration changes of several seconds to tens of seconds, on inclinometer measurements.
[Method] The algorithm for inclinometers in the situation is studied. Gyroscope measurements are used for attitude quaternion update. Then the horizontal accelerometer measurement values without the effects of roll and pitch are obtained. On this basis, the error analysis and impact analysis of sway and surge is carried out. The horizontal accelerometer measurement values are put through a low-pass filter with zero-phase-delay. Then Kalman filtering is performed using the low frequency component of horizontal accelerometer measurement values as the observation of the Kalman filter, and horizontal attitude errors and angular velocity measurement errors as state variables. Attitude closed-loop correction is conducted to make the MEMS dynamic inclinometer keeping the expected accuracy in a long time when the ship is moored.
[Result] An experiment is conducted using a certain type of MEMS dynamic inclinometer to validate the algorithm of reducing the effect of sway and surge. The measurement accuracy reached 0.2°(1σ) with an acceleration amplitude of 0.8g in the experiment,
[Conclusion] verifying the effectiveness of the algorithm. Key words: low pass filter; Kalman filter; dynamic inclinometer; sway and surge
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[目的] 为将微机电系统(MEMS)惯性测量单元构建的动态倾角仪更好地应用于船舶,克服系泊状态下横荡与纵荡运动即周期几秒至几十秒的加速度变化对倾角仪测量精度的显著影响,
[方法] 研究相应条件下的倾角仪算法:利用陀螺测量数据进行姿态四元数更新,并获得隔离水平姿态角影响的水平加速度计测量值;在此基础上,通过误差分析与横纵荡影响分析,对水平加速度计测量值进行无时延低通滤波;以水平加速度计测量值的低频分量作为卡尔曼滤波器的观测量,以水平姿态误差和角速度测量误差为状态量,进行卡尔曼滤波与姿态闭环校正,从而使MEMS动态倾角仪在船舶系泊状态下长时间保持测量精度。
[结果] 利用某型MEMS动态倾角仪开展横荡/纵荡试验,在加速度幅值达到0.8g的横荡/纵荡条件下,其测量精度达到0.2°(1σ),
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本刊已许可中国学术期刊(光盘版)电子杂志社在中国知网及其系列数据库产品中以数字化方式复制、汇编、发行、信息网络传播本刊全文,本刊著作权使用费与本刊稿酬一并支付;本刊所刊登文章均无知识产权争议,不涉及泄露国家秘密、技术秘密或商业秘密。作者向本刊提交文章发表的行为即视为同意我编辑部上述声明,文责自负。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=q+qmuKB97XPWCZsdaRl+bg==, magXml=MD3dpRTCJmrG7TsHuCP3oA==, pdfUrl=null, pdf=Mp0KtRi0kGNOXPQVztRheQ==, pdfFileSize=1850501, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=zaUa3czoIBHPqDGPT+xNjg==, mapNumber=null, authorCompany=null, fund=null, authors=
孟跃(1992—),女,博士、高级工程师。研究方向:船用导航技术。
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