2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)最新文献

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Online identification of AMB rotor system dynamics using sliding DFT 基于滑动DFT的电机转子系统动力学在线辨识
Jouni Vuojolainen, N. Nevaranta, R. Jastrzebski, O. Pyrhönen
{"title":"Online identification of AMB rotor system dynamics using sliding DFT","authors":"Jouni Vuojolainen, N. Nevaranta, R. Jastrzebski, O. Pyrhönen","doi":"10.1109/DEMPED.2017.8062366","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062366","url":null,"abstract":"This paper presents an online nonparametric frequency response estimation approach for the identification of rotor dynamics of a high-speed machine supported by an active magnetic bearing (AMB) system. The closed-loop identification estimation approaches (direct and indirect) are based on a sliding discrete Fourier transform (SDFT) method that is applied in conjunction with a known multisine excitation signal design. The feasibility of the proposed identification approach is verified with experimental results on an AMB system. According to the results, the SDFT-based identification approach is applicable to online identification of rotor system dynamics in a computationally efficient manner.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127378213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dispersion field analysis using discrete wavelet transform for inter-turn stator fault detection in induction motors 离散小波变换色散场分析在异步电动机定子匝间故障检测中的应用
H. Cherif, A. Menacer, R. Romary, R. Pusca
{"title":"Dispersion field analysis using discrete wavelet transform for inter-turn stator fault detection in induction motors","authors":"H. Cherif, A. Menacer, R. Romary, R. Pusca","doi":"10.1109/DEMPED.2017.8062341","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062341","url":null,"abstract":"This paper presents an inter-turn short circuit detection through the measurement of external magnetic field of induction motor. The technique of analysis is based on discrete wavelet transform energy in transient state where the machine operates at start-up and standstill states. The wavelet offers a very fine analysis of the unidimensional and two-dimensional signals. Through multilevel discrete wavelet decomposition, it is possible to extract the information for the prognosis of the fault in variable state of the machine. The stored energy calculation in each decomposition can evaluate the severity of the fault compared with the analysis of only the external magnetic field.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130821968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Defects detection in laminated and soft magnetic composites devices with a novel thermographic method 层压和软磁复合材料器件缺陷检测的新型热成像方法
L. Ferraris, E. Pošković, F. Franchini
{"title":"Defects detection in laminated and soft magnetic composites devices with a novel thermographic method","authors":"L. Ferraris, E. Pošković, F. Franchini","doi":"10.1109/DEMPED.2017.8062414","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062414","url":null,"abstract":"The realization of electromagnetic devices may implies the presence of local losses caused by material defects or by magnetic anomalies caused by mechanical processing. The problem of such defects location is the object of the present work; the aim of obtaining information about imperfections or defects with a non invasive inspection has been pursued. The adopted approach is based on the observation of the device under test with a particular thermographic camera; no limitations in size and shapes devices are considered and the method can be widely adopted. Examples of defects in the magnetic circuit realization are described, both for traditional ferromagnetic laminated sheets and for Soft Magnetic Composites.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131720557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Electrical signature analysis based condition monitoring and diagnostics techniques for wind turbines 基于电特征分析的风力涡轮机状态监测与诊断技术
Pinjia Zhang, Delong Lu, Sam Salem
{"title":"Electrical signature analysis based condition monitoring and diagnostics techniques for wind turbines","authors":"Pinjia Zhang, Delong Lu, Sam Salem","doi":"10.1109/DEMPED.2017.8062377","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062377","url":null,"abstract":"Wind power has become the most important component of renewable energy with advances in technology in recent years. Reducing operations and maintenance cost effectively and detecting the fault timely for wind turbines are critical to expand wind power use. Due to difficult access and harsh environment, offshore wind turbines have more urgent need for reducing operations and maintenance costs. This paper reviews typical failure modes of wind turbines and compares condition monitoring and diagnostics techniques for wind turbines based on electrical signature analysis with conventional analysis. With less demand for sensors, electrical signature analysis techniques is the key to promote wind industry.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133462045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An envelope-based method with second order generalized integrator adaptive notch filter for diagnosis of rotor bar breakage at very low slips 基于二阶广义积分器自适应陷波滤波器的包络方法在极低卡瓦下诊断转子棒的断裂
M. Malekpour, B. Phung, E. Ambikairajah
{"title":"An envelope-based method with second order generalized integrator adaptive notch filter for diagnosis of rotor bar breakage at very low slips","authors":"M. Malekpour, B. Phung, E. Ambikairajah","doi":"10.1109/DEMPED.2017.8114319","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8114319","url":null,"abstract":"Detection of rotor bar breakage in squirrel cage induction motors (SCIMs) via motor current signature analysis (MCSA) is difficult when the motor is working at very low slip operating condition. The fast Fourier transform (FFT) spectrum of the stator current signal is affected by the fundamental frequency component whose leakage masks the fault characteristic frequency. To address this problem, a new method utilizing the second order generalized integratoradaptive notch filter (SOGI-ANF) is proposed. Two signal processing layers which effectively use the SOGI-ANF are used to extract the envelope of the so-called total harmonic signal (THS) which is free from the dominant effect of the main component. The SOGI-ANF is capable of extracting both the input signal envelope and main frequency component. Analysis of the THS envelope reveals significant advantages of the SOGI-ANF over the previous envelope-based analysis techniques using Hilbert transform (HT) in terms of spectral resolution and hardware implementation using embedded devices. The theoretical development of the proposed method and its experimental verification in the laboratory are investigated in this paper. Hardware implementation of the proposed method is achieved through an STM32F4 discovery microcontroller board which makes it a powerful diagnostic tool.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117147020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
2-D magnetomechanical transient simulation of a motor with a bar breakage
V. Climente-Alarcón, A. Arkkio, J. Antonino-Daviu
{"title":"2-D magnetomechanical transient simulation of a motor with a bar breakage","authors":"V. Climente-Alarcón, A. Arkkio, J. Antonino-Daviu","doi":"10.1109/DEMPED.2017.8062339","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062339","url":null,"abstract":"The analysis of the vibration response of electrical machines has importance in noise prediction and more recently, fault diagnosis. This work presents a strongly coupled 2-D magnetomechanical simulation of an induction machine under heavy operational conditions: a direct-on-line startup. Both healthy and broken bar states are simulated in a time span long enough to allow the detailed study of the varying frequency components. The results yield, in addition to the usual electrical and magnetic quantities, electromagnetic induced vibration components in the stator. A comparison with current and vibration experimental data is also performed.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124222027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Effective reactive power compensation in single-phase systems under distorted utility voltage 畸变电压下单相系统的有效无功补偿
S. Castellan, G. Buja, R. Menis
{"title":"Effective reactive power compensation in single-phase systems under distorted utility voltage","authors":"S. Castellan, G. Buja, R. Menis","doi":"10.1109/DEMPED.2017.8062386","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062386","url":null,"abstract":"The paper deals with the reactive power compensation in single-phase systems by active power line conditioners (APLCs), focusing on the effectiveness of the compensating action when the utility voltage is distorted. The existing compensation approach, based on the achievement of a sinusoidal load current, is first presented, showing that it suffers from some shortcomings. A novel compensation approach, based on the achievement of a unity power factor, is then proposed that has the merit of overcoming the shortcomings of the existing one and, in addition, of outperforming it in terms of power delivery capabilities of the utility. Effectiveness of the proposed compensation approach is corroborated by simulation results.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129543305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Evaluation of intelligent approaches for motor diagnosis under changing operational conditions 动态工况下运动诊断智能方法的评估
Ignacio Martin-Diaz, R. Romero-Troncoso, D. Morinigo-Sotelo, Ó. Duque-Pérez
{"title":"Evaluation of intelligent approaches for motor diagnosis under changing operational conditions","authors":"Ignacio Martin-Diaz, R. Romero-Troncoso, D. Morinigo-Sotelo, Ó. Duque-Pérez","doi":"10.1109/DEMPED.2017.8062335","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062335","url":null,"abstract":"The diagnosis of electric machines, such as induction motors, is one of the key tasks that needs to be performed to guarantee their right operation as electromechanical energy converters in most industrial facilities. The ability to reliably identify a mechanical fault occurrence in an induction motor, before it became catastrophic, can reduce risks related to the productive chain. Recently, different intelligent approaches have been proposed to develop feature-based methods for the automatic fault diagnosis in induction motors. This article provides an evaluation of different machine learning techniques for fault identification that come from different families. The datasets are formed to allow the performance analysis of the results when the classifier is trained with data obtained from some particular operational conditions, and then it is tested under different operating conditions, as it is usual in industry. The input information is obtained from current signals of an induction motor with one broken rotor bar.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130632176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Reliability-oriented design of a cost-effective active capacitor 面向可靠性的高性价比有源电容器设计
Haoran Wang, Huai Wang
{"title":"Reliability-oriented design of a cost-effective active capacitor","authors":"Haoran Wang, Huai Wang","doi":"10.1109/DEMPED.2017.8062418","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062418","url":null,"abstract":"This paper presents the reliability-oriented design of a two-terminal active capacitor proposed recently. The two-terminal active capacitor has the same level of convenience as a passive capacitor with reduced requirement of overall energy storage. In order to fully explore the potential of the proposed concept, a comprehensive design procedure is necessary to optimally sizing the key components of the active capacitor in terms of cost and reliability. Moreover, the inherent condition monitoring capability of the active capacitor is discussed by utilizing the existing feedback signals. A 500 W single-phase rectifier is built up to experimentally verify the theoretical studies.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132860040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Segmentation in thermography images for bearing defect analysis in induction motors 用于感应电机轴承缺陷分析的热成像图像分割
E. Resendiz-Ochoa, R. Osornio-Ríos, J. P. Benitez-Rangel, L. A. M. Hernández, R. Romero-Troncoso
{"title":"Segmentation in thermography images for bearing defect analysis in induction motors","authors":"E. Resendiz-Ochoa, R. Osornio-Ríos, J. P. Benitez-Rangel, L. A. M. Hernández, R. Romero-Troncoso","doi":"10.1109/DEMPED.2017.8062412","DOIUrl":"https://doi.org/10.1109/DEMPED.2017.8062412","url":null,"abstract":"This paper proposes a methodology to be used in the segmentation of infrared thermography images for the detection of bearing faults in induction motors. The proposed methodology can be a helpful tool for preventive and predictive maintenance of the induction motor. This methodology is based on manual threshold image processing to obtain a segmentation of an infrared thermal image, which is used for the detection of critical points known as hot spots on the system under test. From these hot spots, the parameters of interest that describe the thermal behavior of the induction motor were obtained. With the segmented image, it is possible to compare and analyze the thermal conditions of the system.","PeriodicalId":325413,"journal":{"name":"2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131917703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
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