Article(id=1321491666238813077, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321491612593664576, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2026.1.300, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743436800000, receivedDateStr=2025-04-01, revisedDate=1754928000000, revisedDateStr=2025-08-12, acceptedDate=1756224000000, acceptedDateStr=2025-08-27, onlineDate=1792997765358, onlineDateStr=2026-10-26, pubDate=1769702400000, pubDateStr=2026-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792997765358, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792997765358, creator=13701087609, updateTime=1792997765358, updator=13701087609, issue=Issue{id=1321491612593664576, tenantId=1146029695717560320, journalId=1146031654075715584, year='2026', volume='24', issue='1', pageStart='1', pageEnd='346', issueExtLink='null', onlineDate='null', pubDate='1769702400000', pubDateStr='2026-01-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792997752568, creator='13701087609', updateTime=1792998003208, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321492663950487647, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321491612593664576, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321492663950487648, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321491612593664576, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=300, endPage=309, ext={EN=ArticleExt(id=1321491666565968791, articleId=1321491666238813077, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Position Sensorless Control Method for Permanent Magnet Synchronous Motor Based on Improved Sliding Mode Observer, columnId=1321491666431751062, journalTitle=Journal of Power Supply, columnName=Motor Drives and Control, runingTitle=null, highlight=null, articleAbstract=

In the medium- and high-speed operation ranges, the sliding mode observer (SMO) usually obtains the rotational speed and rotor position of a permanent magnet synchronous motor (PMSM) based on a formula method or phase-locked loop. However, the phase delay caused by a low-pass filter, the parameter variation in the phase-locked loop itself and the sliding mode chattering remain the key issues that need to be addressed. Under this background, a position sensorless control method for PMSM based on an improved SMO is proposed. First, a variable sliding mode gain related to the rotational speed is designed, which can achieve adaptive adjustment of the sliding mode gain parameter when the rotational speed changes, thereby reducing the system chattering and improving the system stability and dynamic performance. Second, based on the mechanical motion equation, a method for estimating the rotational speed and rotor position is put forward, which not only simplifies the estimation process but also effectively reduces the influence of changes in rotational speed on the estimation accuracy and enhances the system’s anti-interference capability. Finally, the feasibility and effectiveness of the proposed method were verified based on bench experiments.

, authors=Huijing REN, Feng LI, Huan PAN, Chunning NA, authorsList=Huijing REN, Feng LI, Huan PAN, Chunning NA, authorCompany=null, correspAuthors=Feng LI, 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=1321491668977693595, articleId=1321491666238813077, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=基于改进滑模观测器的永磁同步电动机无位置传感器控制方法, columnId=1321491668273050520, journalTitle=电源学报, columnName=电机驱动与控制, runingTitle=null, highlight=null, articleAbstract=

在中、高速运行区间，滑模观测器SMO（sliding mode observer）通常基于公式法或锁相环来获得永磁同步电动机PMSM（permanent magnet synchronous motor）的转速和转子位置，但低通滤波器产生的相位延迟、锁相环自身参数变化及滑模抖振仍是需要解决的关键问题。为此提出1种基于改进滑模观测器的PMSM无位置传感器控制方法。首先设计了1种与转速相关的可变滑模增益，可实现在转速变化时滑模增益参数的自适应调节，从而降低系统抖振，提高系统稳定性和动态性能。其次基于机械运动方程，提出了1种转速和转子位置估计方法，不仅能够简化估计过程，而且能够有效降低转速变化对估计准确度的影响，提高系统抗干扰能力。最后基于台架实验验证了所提方法的可行性和有效性。

, authors=任会敬, 李峰, 潘欢, 纳春宁, authorsList=任会敬, 李峰, 潘欢, 纳春宁, authorCompany=null, correspAuthors=李峰, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=Tig0i2Imb53RHmiis22SjQ==, magXml=waINEyQKc0gsA35yB5AKTw==, pdfUrl=null, pdf=sLI5HJHGNHlFcPjz/a/XtQ==, pdfFileSize=2193140, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=KwM8zEa04vXCofYXR6JIUA==, mapNumber=null, fund=null)}, authors=[Author(id=1321491871453532324, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1321491666238813077, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=rhuijng@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321491871529029798, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1321491666238813077, authorId=1321491871453532324, language=EN, stringName=Huijing REN, firstName=Huijing, middleName=null, lastName=REN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Electronic and Electrical Engineering, Ningxia University, Yinchuan 750021, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321491871587750055, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1321491666238813077, authorId=1321491871453532324, language=CN, stringName=任会敬, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=宁夏大学电子与电气工程学院，银川　750021, bio={"content":"

任会敬（1994—　），女，硕士研究生。研究方向：永磁同步电动机无位置传感器控制。E-mail：rhuijng@163.com。

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任会敬（1994—　），女，硕士研究生。研究方向：永磁同步电动机无位置传感器控制。E-mail：rhuijng@163.com。

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潘欢（1983—　），男，博士，教授。研究方向：智能控制技术，新能源并网控制。E-mail：ph0303@126.com。

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潘欢（1983—　），男，博士，教授。研究方向：智能控制技术，新能源并网控制。E-mail：ph0303@126.com。

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纳春宁（1979—　），女，博士，副教授。研究方向：电力电子技术，新能源并网消纳。E-mail：nana508@163.com。

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纳春宁（1979—　），女，博士，副教授。研究方向：电力电子技术，新能源并网消纳。E-mail：nana508@163.com。

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