{"title":"Optimal Design of Passive Permanent Magnet Bearings","authors":"R. Safaeian, H. Heydari","doi":"10.1109/IranianCEE.2019.8786766","DOIUrl":null,"url":null,"abstract":"In this paper, for optimal using of magnetic materials in passive magnetic bearings, two modifications in passive magnetic bearing structure are investigated. These modifications include using arbitrary size PMs and air intervals between them. Two configurations of opposite magnetization structure (standard) and rotating magnetization structure (Halbach) are studied in this paper. The 2D planner model is used to calculate the magnetic fields and stiffness between two infinite rods of magnet. A straight formula for stiffness is achieved for both standard and Halbach stacking. The optimization will be performed in order to obtain maximum stiffness per magnet volume ratio.","PeriodicalId":6683,"journal":{"name":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","volume":"14 1","pages":"458-463"},"PeriodicalIF":0.0000,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 27th Iranian Conference on Electrical Engineering (ICEE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IranianCEE.2019.8786766","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
In this paper, for optimal using of magnetic materials in passive magnetic bearings, two modifications in passive magnetic bearing structure are investigated. These modifications include using arbitrary size PMs and air intervals between them. Two configurations of opposite magnetization structure (standard) and rotating magnetization structure (Halbach) are studied in this paper. The 2D planner model is used to calculate the magnetic fields and stiffness between two infinite rods of magnet. A straight formula for stiffness is achieved for both standard and Halbach stacking. The optimization will be performed in order to obtain maximum stiffness per magnet volume ratio.
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