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2019 12th International Symposium on Linear Drives for Industry Applications (LDIA)最新文献

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Investigation of Linear Generator for High Speed Maglev Train by 2D Finite Element Model 高速磁悬浮列车直线发电机的二维有限元模型研究
2019 12th International Symposium on Linear Drives for Industry Applications (LDIA) Pub Date : 2019-07-01 DOI: 10.1109/LDIA.2019.8771004
Longxiang Li, Q. Lu
{"title":"Investigation of Linear Generator for High Speed Maglev Train by 2D Finite Element Model","authors":"Longxiang Li, Q. Lu","doi":"10.1109/LDIA.2019.8771004","DOIUrl":"https://doi.org/10.1109/LDIA.2019.8771004","url":null,"abstract":"This paper analyzes the electromotive force (EMF) of linear generator (LG) for high speed maglev train in detail, which considers the influence of long-stator linear synchronous motor (LSM). The basic operating principle of LG is analyzed firstly, and then the influence of structure parameters and operating conditions on the EMF effective value of fundamental wave is analyzed and compared by 2D finite element model, including mover pole pitch, air gap length, armature current, excitation current, linear generator current and train speed. The results show the effective value and initial phase of EMF in ten LGs change successively when the stator pitch and mover pitch are unequal, the total harmonic distortion decreases along with the increase of air gap length, the excitation current has more significant effect on EMF than armature current, and the LG current has less influence on EMF. In addition, the EMF of LG increases linearly with the operating velocity, which is also influenced by the LG position.","PeriodicalId":214273,"journal":{"name":"2019 12th International Symposium on Linear Drives for Industry Applications (LDIA)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117114253","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
Multiphysics Analysis of Tubular Linear Permanent Magnet Synchronous Motor Operating Immersed in Crude Oil 浸泡在原油中运行的管状直线永磁同步电机多物理场分析
2019 12th International Symposium on Linear Drives for Industry Applications (LDIA) Pub Date : 2019-07-01 DOI: 10.1109/LDIA.2019.8770982
Yi Chen Wu, Mateus Cirolini, T. Hayashi, Aline Ziemniczak, E. Perondi, P. R. Eckert
{"title":"Multiphysics Analysis of Tubular Linear Permanent Magnet Synchronous Motor Operating Immersed in Crude Oil","authors":"Yi Chen Wu, Mateus Cirolini, T. Hayashi, Aline Ziemniczak, E. Perondi, P. R. Eckert","doi":"10.1109/LDIA.2019.8770982","DOIUrl":"https://doi.org/10.1109/LDIA.2019.8770982","url":null,"abstract":"In-pipe inspection robots are an interesting solution for petrochemical industries for monitoring, maintenance and repairing activities. Depending on the working conditions and project specifications, high performance in-pipe inspection robots are required. In this paper a novel topology of an in-pipe robot is proposed based on a tubular linear permanent magnet synchronous motor (TLPMSM) used as the moving part. The application requires that the robot is immersed in crude oil where the operating temperature can vary in a range of 4 °C up to 100°C and must travel distances in the range of kilometers. In order to maximize the performance of the studied linear motor, and to identify limits of operation a multiphysics analysis was performed using numerical methods to evaluate coupled electromagnetic, thermal and fluid dynamics behavior.","PeriodicalId":214273,"journal":{"name":"2019 12th International Symposium on Linear Drives for Industry Applications (LDIA)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123939871","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
A Magnetic Lead Screw with Variable Stiffness Mechanism 一种变刚度磁丝杠机构
2019 12th International Symposium on Linear Drives for Industry Applications (LDIA) Pub Date : 2019-07-01 DOI: 10.1109/LDIA.2019.8770992
A. Heya, Y. Nakata, K. Hirata, H. Ishiguro
{"title":"A Magnetic Lead Screw with Variable Stiffness Mechanism","authors":"A. Heya, Y. Nakata, K. Hirata, H. Ishiguro","doi":"10.1109/LDIA.2019.8770992","DOIUrl":"https://doi.org/10.1109/LDIA.2019.8770992","url":null,"abstract":"A magnetic lead screw (MLS) is a kind of feed screw that allows non-contact power transmission by a magnetic force. It can be driven efficiently due to no frictional contact, and flexibly respond to an external force by its magnetic spring characteristic. In this paper, we propose a variable stiffness MLS (VSMLS) that provides various response against the external force. The basic structure, the variable stiffness mechanism, and how it works are described. Its variable stiffness characteristics are clarified through calculation employing FEM.","PeriodicalId":214273,"journal":{"name":"2019 12th International Symposium on Linear Drives for Industry Applications (LDIA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129324448","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: 0
Improved modelling of a monomorph piezoelectric actuator for linear self-sensing applications 用于线性自传感应用的单晶型压电驱动器的改进建模
2019 12th International Symposium on Linear Drives for Industry Applications (LDIA) Pub Date : 1900-01-01 DOI: 10.1109/LDIA.2019.8771007
Louis A. Masson, Y. Perriard
{"title":"Improved modelling of a monomorph piezoelectric actuator for linear self-sensing applications","authors":"Louis A. Masson, Y. Perriard","doi":"10.1109/LDIA.2019.8771007","DOIUrl":"https://doi.org/10.1109/LDIA.2019.8771007","url":null,"abstract":"Based on a previous approach for the modelling of piezoelectric monomorph benders, a new, more complete, analytical model is proposed. Some previously neglected features of the actuator stack, notably the thickness of the electrodes and the presence of isolation layers at the top and bottom of the stack, were taken into account in this new iteration. The demonstrated model takes the form of a system of two constitutive equations describing the mechanical and electrical state of the actuator. This model is then experimentally validated in a test environment measuring the ß parameter of a custom made actuator for which the initial model presented errors. The results of these measurements show that the estimation error of the ß parameter for this particular actuator design has been brought down from 69% to 3%, demonstrating that the inclusion of the previously neglected features leads to an accurate analytical model, paving the way for a proper optimisation study.","PeriodicalId":214273,"journal":{"name":"2019 12th International Symposium on Linear Drives for Industry Applications (LDIA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121696579","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
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