Bekinal, Siddappa I and Doddamani, Mrityunjay (2020) Friction-Free Permanent Magnet Bearings for Rotating Shafts: A Comprehensive Review. Progress In Electromagnetics Research, 104. pp. 171-186. ISSN 1937-8718

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Abstract

This article presents a comprehensive review of modeling, analysis, and development of permanent magnet bearings (PMB) for rotating shafts. The different configurations of PMB are highlighted with relevant approaches to estimate their features. The progress in mathematical approaches adopted and optimization of the static and dynamic bearing characteristics in terms of accuracy are discussed in depth. Further, key developments on instability issues and their realization in combination with other bearings for rotors stability in low and high-speed applications are reviewed. Finally, concluding remarks on key aspects to be followed in the design and development of PMB are presented

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