Article(id=1146828029533230072, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828027490604008, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.2.224, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1641225600000, receivedDateStr=2022-01-04, revisedDate=1647360000000, revisedDateStr=2022-03-16, acceptedDate=1648051200000, acceptedDateStr=2022-03-24, onlineDate=1751354709274, onlineDateStr=2025-07-01, pubDate=1743264000000, pubDateStr=2025-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751354709274, onlineIssueDateStr=2025-07-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=1752073866811, onlineFirstDateStr=2025-07-09, sourceXml=null, magXml=null, createTime=1751354709274, creator=13701087609, updateTime=1751354709274, updator=13701087609, issue=Issue{id=1146828027490604008, tenantId=1146029695717560320, journalId=1146031654075715584, year='2025', volume='23', issue='2', pageStart='1', pageEnd='306', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1751354708786, creator=13701087609, updateTime=1765499546380, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1206155776469561741, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828027490604008, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1206155776469561742, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828027490604008, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=224, endPage=231, ext={EN=ArticleExt(id=1149844395371004411, articleId=1146828029533230072, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Second-order Sliding-mode Load Torque Observer for Induction Motor Based on Low-precision Encoder, columnId=1152281495567168372, journalTitle=Journal of Power Supply, columnName=Electric Machine System and Control, runingTitle=null, highlight=null, articleAbstract=
To ensure the motor drive performance while saving cost in the field of electric industrial vehicles, low-precision encoders are often adopted. Although these encoders can measure the rotor’s accurate mechanical position, they introduce a long delay and large errors to the measured speed information. Therefore, the traditional load torque observers cannot obtain the accurate load torque information, and when the inaccurate information is used as feedforward of the current loop, the motor speed fluctuation cannot be effectively suppressed. To solve this problem, a second-order sliding-mode load torque observer based on a low-precision encoder is proposed, which can obtain the accurate load torque information based on the rotor position information and thus improve the anti-interference performance of the system. Finally, the correctness and effectiveness of the proposed method was verified by simulation and experimental results.
, correspAuthors=Hanbing DAN, 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, authorCompany=null, fund=null, authors=null, authorsList=Yanpeng XIE, Xijun FENG, Hanbing DAN, Luogeng JIANG, Mei SU), CN=ArticleExt(id=1146828033513623786, articleId=1146828029533230072, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=基于低精度编码器的异步电动机二阶滑模负载转矩观测方法, columnId=1149830230325616646, journalTitle=电源学报, columnName=电机系统与控制, runingTitle=null, highlight=null, articleAbstract=
在电动工业车辆领域,为节省成本同时保证电机驱动性能,常采用低精度编码器。低精度编码器可获取转子的准确机械位置,但对于转速测量存在较大时滞和误差,因此传统负载转矩观测器不能得到准确的负载转矩信息。采用该信息作为电流环前馈控制量时,不能有效抑制转速波动。针对此问题,提出1种基于低精度编码器的二阶滑模负载转矩观测器。所提方法可基于转子位置信息获取精确的负载转矩信息,从而提高系统的抗干扰性能。仿真和实验结果证明了所提基于低精度编码器的二阶滑模负载转矩观测器的正确性和有效性。
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1 School of Automation, Central South University, Changsha 410083, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1205945145002885699, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, authorId=1205945144742838834, language=CN, stringName=谢燕朋, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中南大学自动化学院,长沙 410083, bio={"img":"Vx5dJseYemC4DDKB151aqg==","content":"
谢燕朋(1996— ),男,硕士研究生。研究方向:三相异步电机系统参数辨识。E-mail:194612121@csu.edu.cn。
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谢燕朋(1996— ),男,硕士研究生。研究方向:三相异步电机系统参数辨识。E-mail:194612121@csu.edu.cn。
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2 威胜电气有限公司,长沙 411100, bio={"content":"
冯喜军(1967— ),男,硕士,高级工程师。研究方向:电力电子与电力传动、智能配电。E-mail:fengxj@wasion.com。
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冯喜军(1967— ),男,硕士,高级工程师。研究方向:电力电子与电力传动、智能配电。E-mail:fengxj@wasion.com。
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蒋罗庚(1982— ),男,本科,工程师。研究方向:电机驱动控制。E-mail:mikeluogeng@163.com。
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蒋罗庚(1982— ),男,本科,工程师。研究方向:电机驱动控制。E-mail:mikeluogeng@163.com。
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1 中南大学自动化学院,长沙 410083, bio={"content":"
粟梅(1967— ),女,博士,教授。研究方向:新能源发电与现代电力电子系统建模、优化与控制。E-mail:sumeicsu@mail.csu.edu.cn。
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粟梅(1967— ),女,博士,教授。研究方向:新能源发电与现代电力电子系统建模、优化与控制。E-mail:sumeicsu@mail.csu.edu.cn。
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1 中南大学自动化学院,长沙 410083)]), AuthorCompany(id=1205945144642175524, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, xref=2, ext=[AuthorCompanyExt(id=1205945144646369828, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, companyId=1205945144642175524, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Wasion Electric Co., Ltd., Changsha 411100, China), AuthorCompanyExt(id=1205945144654758438, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, companyId=1205945144642175524, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Block diagram of three-phase induction motor control system, figureFileSmall=pvxTzkyPWWZET5nv6dsFzA==, figureFileBig=enzZ3coaFam6EhwJcurwcQ==, tableContent=null), ArticleFig(id=1205945149201384257, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图1, caption=
三相异步电动机控制系统框图, figureFileSmall=pvxTzkyPWWZET5nv6dsFzA==, figureFileBig=enzZ3coaFam6EhwJcurwcQ==, tableContent=null), ArticleFig(id=1205945149427876683, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 2, caption=
Schematic of rotor position comparison, figureFileSmall=jgxJ0AqTV0p/1ARFG8aKWg==, figureFileBig=0mLuVkujOlNFWM1Y3y3dYA==, tableContent=null), ArticleFig(id=1205945149591454548, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图2, caption=
转子位置对比示意, figureFileSmall=jgxJ0AqTV0p/1ARFG8aKWg==, figureFileBig=0mLuVkujOlNFWM1Y3y3dYA==, tableContent=null), ArticleFig(id=1205945149729866589, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 3, caption=
Block diagram of second-order sliding-mode Load torque observer based on low-precision encoder, figureFileSmall=x5Hl3rntuWlcaIvZn38Rtg==, figureFileBig=os6lCqXRwjFY8O5/8ZmLPw==, tableContent=null), ArticleFig(id=1205945149851501407, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图3, caption=
基于低精度编码器的二阶滑模负载转矩观测方法框图, figureFileSmall=x5Hl3rntuWlcaIvZn38Rtg==, figureFileBig=os6lCqXRwjFY8O5/8ZmLPw==, tableContent=null), ArticleFig(id=1205945150027662183, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 4, caption=
Waveforms of load torque observation, figureFileSmall=HpPeFWqg58T5eFaPKlK7jQ==, figureFileBig=QIRp2rHuOK1o3wtZZKni0A==, tableContent=null), ArticleFig(id=1205945150149297004, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图4, caption=
负载转矩观测波形, figureFileSmall=HpPeFWqg58T5eFaPKlK7jQ==, figureFileBig=QIRp2rHuOK1o3wtZZKni0A==, tableContent=null), ArticleFig(id=1205945150287709043, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 5, caption=
Simulation waveforms for comparison of rotor position, figureFileSmall=BRYDgbg2YbmEmx9yMry5Sg==, figureFileBig=cB0T6zwBcMl1os1i1oKIMA==, tableContent=null), ArticleFig(id=1205945150413538170, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图5, caption=
转子位置对比仿真波形, figureFileSmall=BRYDgbg2YbmEmx9yMry5Sg==, figureFileBig=cB0T6zwBcMl1os1i1oKIMA==, tableContent=null), ArticleFig(id=1205945150547755902, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 6, caption=
Simulation waveforms of load torque and speed at 200 r·min-1 with sudden change in load torque, figureFileSmall=eqxArZxXPAzfo3ChsZIMsw==, figureFileBig=YfWcnSTEm39rIKnqaqqMKA==, tableContent=null), ArticleFig(id=1205945150673585029, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图6, caption=
200 r·min-1突变负载时负载转矩及转速仿真波形, figureFileSmall=eqxArZxXPAzfo3ChsZIMsw==, figureFileBig=YfWcnSTEm39rIKnqaqqMKA==, tableContent=null), ArticleFig(id=1205945151894127497, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 7, caption=
Experimental platform of three-phase induction motor, figureFileSmall=G5GZ4oh6UsaCNsri7Nxhcw==, figureFileBig=CZFfo3R0/FM/J8jQ56bIsQ==, tableContent=null), ArticleFig(id=1205945152019956622, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图7, caption=
三相异步电动机实验平台, figureFileSmall=G5GZ4oh6UsaCNsri7Nxhcw==, figureFileBig=CZFfo3R0/FM/J8jQ56bIsQ==, tableContent=null), ArticleFig(id=1205945152133202835, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 8, caption=
Block diagram of system hardware connection, figureFileSmall=1j/evE0vn+HNw/yoLSXmnw==, figureFileBig=ytXt6nNIPjnNp8L8zFROjw==, tableContent=null), ArticleFig(id=1205945152254837661, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图8, caption=
系统硬件连接框图, figureFileSmall=1j/evE0vn+HNw/yoLSXmnw==, figureFileBig=ytXt6nNIPjnNp8L8zFROjw==, tableContent=null), ArticleFig(id=1205945152389055396, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 9, caption=
Experimental waveforms of load torque and speed at 40 r·min-1 with sudden change in load torque, figureFileSmall=S4euQYfZCll6OBmg5w21/w==, figureFileBig=m7Fco4WYvgUqGFqPyVRkeg==, tableContent=null), ArticleFig(id=1205945152510690220, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图9, caption=
40 r·min-1突变负载时负载转矩及转速实验波形, figureFileSmall=S4euQYfZCll6OBmg5w21/w==, figureFileBig=m7Fco4WYvgUqGFqPyVRkeg==, tableContent=null), ArticleFig(id=1205945152628130735, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Fig. 10, caption=
Waveforms of load torque and speed at 400 r·min-1 with sudden change in load torque, figureFileSmall=dNQOytgf08WEeBAUEkb5sw==, figureFileBig=AyzxKBWTxfbq0kXhrGSl9A==, tableContent=null), ArticleFig(id=1205945152749765558, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=图10, caption=
400 r·min-1突变负载时负载转矩及转速波形, figureFileSmall=dNQOytgf08WEeBAUEkb5sw==, figureFileBig=AyzxKBWTxfbq0kXhrGSl9A==, tableContent=null), ArticleFig(id=1205945152867206076, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=EN, label=Tab. 1, caption=
Parameters of three-phase induction motor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 额定功率P/W | 750 |
| 额定电压$V_{\mathrm{N}} / \mathrm{V}$ | 15 |
| 额定电流$I_{\mathrm{N}} / \mathrm{A}$ | 50 |
| 额定转速${n}_{\text{N}}/\text{(r}\cdot {\text{min}}^{-\text{1}})$ | 1 500 |
| 极对数np | 2 |
| 定子电阻Rs /mΩ | 16.321 7 |
| 转子电阻Rr /mΩ | 12.155 0 |
| 定、转子电感Ls、Lr /mH | 1.669 15 |
| 励磁电感Lm /mH | 1.6 |
| 转动惯量$J/(\text{kg}\cdot {\text{m}}^{2})$ | 0.007 997 |
| 参考磁链${\Psi }_{\text{r}}^{\text{*}}\text{/Wb}$ | 0.048 8 |
), ArticleFig(id=1205945153009812420, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828029533230072, language=CN, label=表1, caption=
三相异步电机参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 额定功率P/W | 750 |
| 额定电压$V_{\mathrm{N}} / \mathrm{V}$ | 15 |
| 额定电流$I_{\mathrm{N}} / \mathrm{A}$ | 50 |
| 额定转速${n}_{\text{N}}/\text{(r}\cdot {\text{min}}^{-\text{1}})$ | 1 500 |
| 极对数np | 2 |
| 定子电阻Rs /mΩ | 16.321 7 |
| 转子电阻Rr /mΩ | 12.155 0 |
| 定、转子电感Ls、Lr /mH | 1.669 15 |
| 励磁电感Lm /mH | 1.6 |
| 转动惯量$J/(\text{kg}\cdot {\text{m}}^{2})$ | 0.007 997 |
| 参考磁链${\Psi }_{\text{r}}^{\text{*}}\text{/Wb}$ | 0.048 8 |
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