Article(id=1190413893156614170, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1190413885736894766, articleNumber=null, orderNo=null, doi=10.19595/j.cnki.1000-6753.tces.240932, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1717084800000, receivedDateStr=2024-05-31, revisedDate=1722528000000, revisedDateStr=2024-08-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1761746388949, onlineDateStr=2025-10-29, pubDate=1750780800000, pubDateStr=2025-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1761746388949, onlineIssueDateStr=2025-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1761746388949, creator=13701087609, updateTime=1761746388949, updator=13701087609, issue=Issue{id=1190413885736894766, tenantId=1146029695717560320, journalId=1190306094246359042, year='2025', volume='40', issue='12', pageStart='3691', pageEnd='4016', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1761746387172, creator=13701087609, updateTime=1761785301742, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1190577105311253479, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1190413885736894766, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1190577105311253480, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1190413885736894766, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3868, endPage=3882, ext={EN=ArticleExt(id=1190413893626376222, articleId=1190413893156614170, tenantId=1146029695717560320, journalId=1190306094246359042, language=EN, title=Load Torque Identification of Permanent Magnet Synchronous Motor Based on Adaptive Sliding Mode Observer, columnId=null, journalTitle=Transactions of China Electrotechnical Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Accurate load torque identification helps to improve the load disturbance resistance of complex nonlinear loaded permanent magnet drive systems. The sliding mode observer (SMO) has become a commonly used algorithm for load torque identification due to its advantages of high robustness to noise, fast response speed, and simple structure. However, the shortcomings of this algorithm, such as high-frequency chattering and slow response speed, limit its application in electric drive systems. This paper proposes a new adaptive sliding-mode load torque observer to solve the problem of the inherent contradiction between the convergence speed and high-frequency chattering of conventional sliding-mode observers.
Firstly, from the perspective of quasi-sliding mode, the conventional sign function is replaced by the saturation function to suppress the high-frequency chattering of the load torque estimate. The sign function can effectively suppress the chattering phenomenon of SMO, but it still fails to balance the convergence speed and observation accuracy. Second, an adaptive convergence rate is designed to introduce an exponential convergence term based on the conventional isochronous convergence rate. The adaptive gain of the isochronous convergence term is designed to make the sliding-mode observer adaptively adjust the convergence speed along with the change of the system state. Thus, the observer has a short convergence time and strong robustness, and the high-frequency chattering phenomenon of the sliding-mode observer in the steady state is suppressed. Finally, this paper introduces the average estimated value of the load torque in the conventional slip mode identification algorithm and adds it to the feedback loop of the speed observer. The improved load torque observation algorithm can suppress the chattering of the estimated torque by adjusting the feedback gain g. Since the load torque indication signal U can characterize the load torque change without additional delay, it can be directly involved in the speed estimation. Therefore, the proposed algorithm has a fast response speed during transient processes while considering the chattering suppression of the system. Based on the principle of sliding mode variable structure control, the adaptive rate of feedback gain coefficient g is designed.
Simulation and experimental results show that under varying speed and load disturbances, the proposed adaptive SMO has less chattering than traditional SMO and super-twisting SMO. Additionally, the adaptive SMO converges faster than traditional SMO and performs comparably to super-twisting SMO. In load disturbance experiments at a reference speed of 600 r/min, the speed fluctuations for no torque feedforward, traditional SMO with torque feedforward, and adaptive SMO with torque feedforward are 72.5 r/min, 56 r/min, and 35.5 r/min, respectively, with system recovery times of 0.7 s, 0.65 s, and 0.5 s. To further verify the impact of inertia parameter mismatch on the adaptive SMO, inertia was set to 2, 5, 0.5, and 0.2 times the rated value, with the maximum deviation in load torque observation being 6.7 N·m. The results indicate that the impact of parameter mismatch is not significant.
The following conclusions can be drawn. (1) The designed adaptive SMO has a simple structure and high stability, is easy to implement, observes the load torque quickly and accurately, and requires fewer parameters. (2) Compared with the conventional SMO, the proposed adaptive SMO has less chattering and faster response speed during the transient change of the load torque. (3) The proposed adaptive SMO is more suitable for the scenario of variable load torque than the conventional SMO. The experimental results show that when the load torque recognized by the adaptive SMO is used as the feedforward term of the reference torque, the response speed and load disturbance resistance of the heavy-duty chain drive system can be effectively improved.
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准确的负载转矩辨识有助于提升复杂非线性负载永磁驱动系统的抗负载扰动能力。滑模观测器具有对噪声高鲁棒性、响应速度快和结构简单等优点,已经成为负载转矩辨识的常用算法。然而,该算法存在高频抖振的缺点,限制了其在电力传动系统中的应用。针对上述问题,该文提出一种新型自适应滑模观测器,在传统滑模观测器模型的基础上,将符号函数替换为饱和函数,设计了一种自适应趋近率,并在反馈回路中引入了一个额外的分量来表示负载转矩的平均估计值,解决了传统滑模观测器趋近时间和系统抖振之间的矛盾。仿真和实验结果表明,所提出的算法相比于传统滑模观测器具有更高的观测精度、更快的响应速度;采用负载转矩观测值作为前馈补偿后提升了驱动系统的响应速度及抗负载扰动能力。
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石秦赓 男,2000年生,硕士研究生,研究方向为电力电子及电力传动。E-mail: 220222789@seu.edu.cn
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67(7): 5879-5888., articleTitle=Alternative solution regarding problems of adaptive observer com- pensating parameters uncertainties for sensorless induction motor drives, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1190684189113598249, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, xref=1, ext=[AuthorCompanyExt(id=1190684189121986858, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, companyId=1190684189113598249, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 School of Electrical Engineering Southeast University Nanjing 210096 China), AuthorCompanyExt(id=1190684189134569771, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, companyId=1190684189113598249, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 东南大学电气工程学院 南京 210096)]), AuthorCompany(id=1190684189247815980, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, xref=2, ext=[AuthorCompanyExt(id=1190684189256204589, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, companyId=1190684189247815980, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 National Key Laboratory of Electromagnetic Energy Naval University of Engineering Wuhan 430033 China), AuthorCompanyExt(id=1190684189264593198, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, companyId=1190684189247815980, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 电磁能技术全国重点实验室(海军工程大学) 武汉 430033)])], figs=[ArticleFig(id=1190684195035955534, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.1, caption=
Block diagram of the traditional sliding mode load torque observer, figureFileSmall=pYYrMH/WzIXb7QhKRhUXQw==, figureFileBig=Whnb9tspK0PV9a4earEI/w==, tableContent=null), ArticleFig(id=1190684195136618831, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图1, caption=
传统滑模负载转矩观测器的结构框图, figureFileSmall=pYYrMH/WzIXb7QhKRhUXQw==, figureFileBig=Whnb9tspK0PV9a4earEI/w==, tableContent=null), ArticleFig(id=1190684195258253648, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.2, caption=
Improved block diagram of the adaptive sliding mode load torque observer, figureFileSmall=ii+vIk0cX9DvnqGFskMhoA==, figureFileBig=+w/ba6B9Hstlbe9fzehnuQ==, tableContent=null), ArticleFig(id=1190684195333751121, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图2, caption=
改进的自适应滑模负载转矩观测器结构框图, figureFileSmall=ii+vIk0cX9DvnqGFskMhoA==, figureFileBig=+w/ba6B9Hstlbe9fzehnuQ==, tableContent=null), ArticleFig(id=1190684195417637202, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.3, caption=
Block diagram of a PMSM drive system with a sliding mode load torque observer, figureFileSmall=eQ3/FPAh37hVuyWj6Vbg1A==, figureFileBig=BDaZSPOya8LJN8wSc7bzQg==, tableContent=null), ArticleFig(id=1190684195535077715, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图3, caption=
采用滑模负载转矩观测器的PMSM驱动系统框图, figureFileSmall=eQ3/FPAh37hVuyWj6Vbg1A==, figureFileBig=BDaZSPOya8LJN8wSc7bzQg==, tableContent=null), ArticleFig(id=1190684196038394196, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.4, caption=
Comparison of the observation results of load torque under constant speed and constant load conditions, figureFileSmall=rE2vxWu77Yi9raA5E2Mnqg==, figureFileBig=P+TVkhuYGP09FHtA5AMXLQ==, tableContent=null), ArticleFig(id=1190684196478796117, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图4, caption=
恒转速恒负载工况下负载转矩观测结果对比, figureFileSmall=rE2vxWu77Yi9raA5E2Mnqg==, figureFileBig=P+TVkhuYGP09FHtA5AMXLQ==, tableContent=null), ArticleFig(id=1190684196571070806, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.5, caption=
Comparison of the observation results of load torque under constant speed and variable load conditions, figureFileSmall=z+zil1uz7z78Bh9jr6j+pQ==, figureFileBig=Gd/n/G7gw0ojyTn7P2+8WA==, tableContent=null), ArticleFig(id=1190684196814340439, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图5, caption=
恒转速变负载工况下负载转矩观测结果对比, figureFileSmall=z+zil1uz7z78Bh9jr6j+pQ==, figureFileBig=Gd/n/G7gw0ojyTn7P2+8WA==, tableContent=null), ArticleFig(id=1190684196956946776, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.6, caption=
Actual speed waveforms during the sudden load torque changes at 600 r/min, figureFileSmall=8y23e4LiXjicd4/n7tnNSQ==, figureFileBig=OMeljbRjbfOI34FX1Gk2lQ==, tableContent=null), ArticleFig(id=1190684197045027161, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图6, caption=
600 r/min时负载突变的实际转速波形, figureFileSmall=8y23e4LiXjicd4/n7tnNSQ==, figureFileBig=OMeljbRjbfOI34FX1Gk2lQ==, tableContent=null), ArticleFig(id=1190684197149884762, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.7, caption=
Actual speed waveforms during the sudden load torque changes at 800 r/min, figureFileSmall=AuSi3STpCC5xJejGrKgIHA==, figureFileBig=gQsrgwaFDadZb7WlzPN1Og==, tableContent=null), ArticleFig(id=1190684197237965147, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图7, caption=
800 r/min时负载突变的实际转速波形, figureFileSmall=AuSi3STpCC5xJejGrKgIHA==, figureFileBig=gQsrgwaFDadZb7WlzPN1Og==, tableContent=null), ArticleFig(id=1190684197342822748, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.8, caption=
Experimental platform, figureFileSmall=SgtqfLj0bkGbVdavHeTS0Q==, figureFileBig=VPjrlcpvMRee+FUaUhVWAw==, tableContent=null), ArticleFig(id=1190684197443486045, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图8, caption=
实验平台, figureFileSmall=SgtqfLj0bkGbVdavHeTS0Q==, figureFileBig=VPjrlcpvMRee+FUaUhVWAw==, tableContent=null), ArticleFig(id=1190684197527372126, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.9, caption=
Comparison of load torque estimation performance at steady state, figureFileSmall=PUiM3ASgHNVrKOmODNqNOQ==, figureFileBig=oRgO8QuihQSDa6FPK0wzDA==, tableContent=null), ArticleFig(id=1190684197728698719, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图9, caption=
稳态下负载转矩观测性能比较, figureFileSmall=PUiM3ASgHNVrKOmODNqNOQ==, figureFileBig=oRgO8QuihQSDa6FPK0wzDA==, tableContent=null), ArticleFig(id=1190684197850333536, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.10, caption=
Comparison of load torque estimation performance at dynamic state, figureFileSmall=m1gqsrhW39CFRqfl9061qA==, figureFileBig=sR7VB0hJFHD/p1aZBulTaw==, tableContent=null), ArticleFig(id=1190684198013911393, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图10, caption=
动态下负载转矩观测性能比较, figureFileSmall=m1gqsrhW39CFRqfl9061qA==, figureFileBig=sR7VB0hJFHD/p1aZBulTaw==, tableContent=null), ArticleFig(id=1190684198127157602, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.11, caption=
Comparison of load torque estimation performance at 20 r/min, figureFileSmall=plPb7QN1uUFFbAiezPo/LQ==, figureFileBig=ISiz3Xn/RA1MvES5QAa4Hg==, tableContent=null), ArticleFig(id=1190684198219432291, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图11, caption=
20 r/min负载转矩观测性能比较, figureFileSmall=plPb7QN1uUFFbAiezPo/LQ==, figureFileBig=ISiz3Xn/RA1MvES5QAa4Hg==, tableContent=null), ArticleFig(id=1190684198395593060, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.12, caption=
Comparison of load torque estimation performance at 600 r/min, figureFileSmall=rAsU+97tOHLRp/0zDSI+tA==, figureFileBig=2q6ZDVvTOkknWQzTEXM+rw==, tableContent=null), ArticleFig(id=1190684199439974757, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图12, caption=
600 r/min负载转矩观测性能比较, figureFileSmall=rAsU+97tOHLRp/0zDSI+tA==, figureFileBig=2q6ZDVvTOkknWQzTEXM+rw==, tableContent=null), ArticleFig(id=1190684199582581094, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.13, caption=
Identification results of moment of inertia, figureFileSmall=CGEn44tZKc0QdRqrfdHmkA==, figureFileBig=hvzZGtVopiV672HBDi9FaQ==, tableContent=null), ArticleFig(id=1190684199674855783, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图13, caption=
转动惯量辨识结果, figureFileSmall=CGEn44tZKc0QdRqrfdHmkA==, figureFileBig=hvzZGtVopiV672HBDi9FaQ==, tableContent=null), ArticleFig(id=1190684200119452008, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.14, caption=
Identification results of load torque under different moment of inertia, figureFileSmall=Xpb9XMStHtQ6YEbGKSMnZg==, figureFileBig=yXbo7LYklv8zWUKwH8P2EA==, tableContent=null), ArticleFig(id=1190684200396276073, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图14, caption=
不同转动惯量下负载转矩辨识结果, figureFileSmall=Xpb9XMStHtQ6YEbGKSMnZg==, figureFileBig=yXbo7LYklv8zWUKwH8P2EA==, tableContent=null), ArticleFig(id=1190684200534688106, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.15, caption=
Speed waveforms during the sudden load torque changes at 600 r/min, figureFileSmall=GT4V9rhmC4RaeGOQJLVPkw==, figureFileBig=GFk52nN72tCU6kgpozDNIw==, tableContent=null), ArticleFig(id=1190684200652128619, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图15, caption=
600 r/min负载转矩变化时转速波形, figureFileSmall=GT4V9rhmC4RaeGOQJLVPkw==, figureFileBig=GFk52nN72tCU6kgpozDNIw==, tableContent=null), ArticleFig(id=1190684200736014700, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.16, caption=
Speed waveforms during the sudden load torque changes at 800 r/min, figureFileSmall=V3HRS3bTzXC5uioJXSW1yw==, figureFileBig=eglrOgh3JQAKskAftB/JGA==, tableContent=null), ArticleFig(id=1190684200882815341, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图16, caption=
800 r/min负载转矩变化时转速波形, figureFileSmall=V3HRS3bTzXC5uioJXSW1yw==, figureFileBig=eglrOgh3JQAKskAftB/JGA==, tableContent=null), ArticleFig(id=1190684201038004590, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.17, caption=
Schematic structure of ring heavy-duty chain drive system, figureFileSmall=INLGaZ0Q7A0LlwmGifJFjQ==, figureFileBig=hGxQIQJKbhzD3JmifzzKJw==, tableContent=null), ArticleFig(id=1190684201159639407, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图17, caption=
某环形重载链传动系统结构示意图, figureFileSmall=INLGaZ0Q7A0LlwmGifJFjQ==, figureFileBig=hGxQIQJKbhzD3JmifzzKJw==, tableContent=null), ArticleFig(id=1190684201247719792, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.18, caption=
PMSM and drive inverter of chain drive system, figureFileSmall=ef/ZYUB+VCzHxqPSF+mxrg==, figureFileBig=JS2T4fTCcEY7d38SMh0gRA==, tableContent=null), ArticleFig(id=1190684201356771697, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图18, caption=
链传动系统所用永磁同步电机及驱动变频器, figureFileSmall=ef/ZYUB+VCzHxqPSF+mxrg==, figureFileBig=JS2T4fTCcEY7d38SMh0gRA==, tableContent=null), ArticleFig(id=1190684201470017906, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.19, caption=
Speed climbing experiment of chain drive mechanism, figureFileSmall=oVmAO3FL/AqI6BBWRILBbA==, figureFileBig=27GvcclkP+1R373tm2iMAQ==, tableContent=null), ArticleFig(id=1190684201692316019, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图19, caption=
链传动机构转速爬升实验, figureFileSmall=oVmAO3FL/AqI6BBWRILBbA==, figureFileBig=27GvcclkP+1R373tm2iMAQ==, tableContent=null), ArticleFig(id=1190684201839116660, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Fig.20, caption=
Experimental results in position closed-loop mode, 600 r/min operating condition, figureFileSmall=Agj0MbmAgit7IONGRdLw7Q==, figureFileBig=YCrwWJS2qm5OTFyF5DPUNg==, tableContent=null), ArticleFig(id=1190684201952362869, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=图20, caption=
位置闭环模式、600 r/min工况下的实验结果, figureFileSmall=Agj0MbmAgit7IONGRdLw7Q==, figureFileBig=YCrwWJS2qm5OTFyF5DPUNg==, tableContent=null), ArticleFig(id=1190684202103357814, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Tab.1, caption=
Parameters of PMSM for simulation and experimentation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参 数 | 数 值 |
| 永磁体磁链/Wb | 0.958 2 |
| 转动惯量/(kg·m2) | 0.1 |
| 定子等效电阻/Ω | 0.046 83 |
| d轴等效电感/mH | 1.045 8 |
| q轴等效电感/mH | 1.045 7 |
| 转子极对数 | 2 |
), ArticleFig(id=1190684202204021111, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=表1, caption=
仿真和实验用PMSM参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参 数 | 数 值 |
| 永磁体磁链/Wb | 0.958 2 |
| 转动惯量/(kg·m2) | 0.1 |
| 定子等效电阻/Ω | 0.046 83 |
| d轴等效电感/mH | 1.045 8 |
| q轴等效电感/mH | 1.045 7 |
| 转子极对数 | 2 |
), ArticleFig(id=1190684202329850232, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Tab.2, caption=
Comparison of load torque identification performance under constant speed and constant load conditions (单位: N·m)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 负载转矩观测值波动 |
| 传统SMO | 自适应SMO |
| 600 r/min, 20 N·m | 24.75 | 4.43 |
| 600 r/min, 150 N·m | 24.26 | 2.34 |
), ArticleFig(id=1190684202476650873, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=表2, caption=
恒转速恒负载工况下负载转矩辨识性能比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 负载转矩观测值波动 |
| 传统SMO | 自适应SMO |
| 600 r/min, 20 N·m | 24.75 | 4.43 |
| 600 r/min, 150 N·m | 24.26 | 2.34 |
), ArticleFig(id=1190684202610868602, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Tab.3, caption=
Comparison of load torque identification performance under constant speed and variable load conditions (单位: s)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 突加负载响应时间 | | 突卸负载响应时间 |
传统 SMO | 自适应SMO | 传统 SMO | 自适应SMO |
| 600 r/min负载阶跃变化 | 0.012 | 0.007 2 | | 0.012 | 0.007 3 |
| 800 r/min负载阶跃变化 | 0.015 | 0.008 1 | | 0.014 | 0.008 3 |
), ArticleFig(id=1190684202854138235, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=表3, caption=
恒转速变负载工况下负载转矩辨识性能比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 突加负载响应时间 | | 突卸负载响应时间 |
传统 SMO | 自适应SMO | 传统 SMO | 自适应SMO |
| 600 r/min负载阶跃变化 | 0.012 | 0.007 2 | | 0.012 | 0.007 3 |
| 800 r/min负载阶跃变化 | 0.015 | 0.008 1 | | 0.014 | 0.008 3 |
), ArticleFig(id=1190684202921247100, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Tab.4, caption=
Comparison of speed regulation performance under sudden load change
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 传统SMO | | 自适应SMO |
转速波动/ (r/min) | 恢复 时间/s | | 转速波动/ (r/min) | 恢复 时间/s |
| 600 r/min | 突加150 N·m | 41.6 | 0.075 | | 29 | 0.06 |
| 突卸150 N·m | 46 | 0.082 | | 33.5 | 0.07 |
| 800 r/min | 突加150 N·m | 41.3 | 0.11 | | 26.9 | 0.1 |
| 突卸150 N·m | 41.2 | 0.121 | | 26.6 | 0.11 |
), ArticleFig(id=1190684204036931966, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=表4, caption=
负载突变情况下调速性能比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 传统SMO | | 自适应SMO |
转速波动/ (r/min) | 恢复 时间/s | | 转速波动/ (r/min) | 恢复 时间/s |
| 600 r/min | 突加150 N·m | 41.6 | 0.075 | | 29 | 0.06 |
| 突卸150 N·m | 46 | 0.082 | | 33.5 | 0.07 |
| 800 r/min | 突加150 N·m | 41.3 | 0.11 | | 26.9 | 0.1 |
| 突卸150 N·m | 41.2 | 0.121 | | 26.6 | 0.11 |
), ArticleFig(id=1190684204531859840, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=EN, label=Tab.5, caption=
Comparison of load torque identification performance at steady state (单位: N·m)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 平均转矩 | 最大转矩波动 |
| 传统SMO | 自适应SMO |
| 600 r/min空载 | 23.4 | 25.6 | 1.2 |
| 600 r/min负载 | 124.6 | 27.2 | 1.3 |
| 800 r/min空载 | 26.9 | 32.6 | 12.2 |
| 800 r/min负载 | 129.5 | 35.6 | 12.5 |
), ArticleFig(id=1190684205131645314, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190413893156614170, language=CN, label=表5, caption=
稳态下负载转矩辨识性能比较
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| 工况 | 平均转矩 | 最大转矩波动 |
| 传统SMO | 自适应SMO |
| 600 r/min空载 | 23.4 | 25.6 | 1.2 |
| 600 r/min负载 | 124.6 | 27.2 | 1.3 |
| 800 r/min空载 | 26.9 | 32.6 | 12.2 |
| 800 r/min负载 | 129.5 | 35.6 | 12.5 |
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Comparison of speed regulation performance under sudden load change
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| 工况 | 传统SMO | | 自适应SMO |
转速波动/ (r/min) | 恢复 时间/s | 转速波动/ (r/min) | 恢复 时间/s |
| 600 r/min | 突加负载 | 56 | 0.65 | | 35.5 | 0.5 |
| 突卸负载 | 62 | 0.85 | | 47.5 | 0.8 |
| 800 r/min | 突加负载 | 67.5 | 0.45 | | 40.5 | 0.4 |
| 突卸负载 | 63 | 0.65 | | 47.5 | 0.6 |
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负载突变情况下调速性能比较
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| 工况 | 传统SMO | | 自适应SMO |
转速波动/ (r/min) | 恢复 时间/s | 转速波动/ (r/min) | 恢复 时间/s |
| 600 r/min | 突加负载 | 56 | 0.65 | | 35.5 | 0.5 |
| 突卸负载 | 62 | 0.85 | | 47.5 | 0.8 |
| 800 r/min | 突加负载 | 67.5 | 0.45 | | 40.5 | 0.4 |
| 突卸负载 | 63 | 0.65 | | 47.5 | 0.6 |
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Parameters of PMSM for chain drive system
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| 参 数 | 数 值 |
| 永磁体磁链/Wb | 0.95 |
| 转动惯量/(kg·m2) | 10 |
| 定子等效电阻/Ω | 0.006 1 |
| d轴等效电感/mH | 0.33 |
| q轴等效电感/mH | 0.33 |
| 转子极对数 | 6 |
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链传动系统PMSM参数
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| 参 数 | 数 值 |
| 永磁体磁链/Wb | 0.95 |
| 转动惯量/(kg·m2) | 10 |
| 定子等效电阻/Ω | 0.006 1 |
| d轴等效电感/mH | 0.33 |
| q轴等效电感/mH | 0.33 |
| 转子极对数 | 6 |
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