Results 1 to 10 of about 428 (171)
Optimal Design of Spoke-Type IPM Motor Allowing Irreversible Demagnetization to Minimize PM Weight [PDF]
IEEE Access, 2021 In this study, we introduce an optimal design for a spoke-type interior permanent magnet (IPM) motor that can minimize PM weight by allowing irreversible demagnetization, unlike the conventional motor design method that does not allow irreversible ...
Keun-Young Yoon, Kyu-Yun Hwang
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Irreversible demagnetization mechanism of permanent magnets during electromagnetic buffering
Defence Technology, 2021 The permanent magnets will be irreversibly demagnetized under high temperature and high velocity during the electromagnetic buffering. In this study, the magnetic field induced by eddy currents and the self-demagnetizing field of permanent magnet are ...
Zi-xuan Li +3 more
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Irreversible Demagnetization Improvement Process of Hybrid Traction Motors with Dy-Free Magnets
Machines, 2022 Permanent magnet synchronous motors (PMSMs), with their high power density, high efficiency, and thermal stability, are widely used nowadays. PMSM magnets are composed of rare earth elements.
Si-Woo Song +4 more
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Machines, 2023 The PMSM (Permanent Magnet Synchronous Motor) is being studied a lot in traction motors for high efficiency and high performance. Usually, magnets containing rare earth elements are used.
Si-Woo Song +3 more
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IEEE Access, 2022 The dynamic eccentricity fault (DEF) of the interior permanent magnet synchronous motor (IPMSM) is mainly caused by external mechanical shock. In the case of DEF, an unbalanced magnetic force occurs because the length of the air gap is not constant ...
Jun-Kyu Kang, Jin Hur
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Fault-Tolerant Redesign of a Quad-Winding PMSM to Prevent Irreversible Partial Demagnetization
ActuatorsThis paper proposes a fault-tolerant optimal design method for quad-winding permanent magnet synchronous motors (PMSMs) considering irreversible demagnetization under fault conditions.
Min-Seong Jo +3 more
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Performance degradation assessment method for linear motor feed systems driven by digital twins [PDF]
Scientific ReportsTo address the challenges of missing degradation samples and the low accuracy of traditional degradation assessment methods in linear motor feeding systems, and considering the advantages of Digital Twin technology in complex equipment status evaluation ...
Zeqing Yang +10 more
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AIP Advances, 2021 This paper presents the design for a high-speed permanent magnet synchronous machine (PMSMs) considering the demagnetization and mechanical characteristics of rare-earth magnets based on the operating temperature.
Tae-Kyoung Bang +5 more
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Disambiguation of Uniform Demagnetization Fault From Position Sensor Fault in FOC PMSM Applications
IEEE Access, 2022 Electrification of higher torque density applications in the transportation sector and robotics sector are primarily met with permanent magnet synchronous machines (PMSMs), attributing to their unique properties.
Sandun S. Kuruppu, Sunil G. Abeyratne
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Energies, 2021 Safety is a critical feature for all passenger vehicles, making fail–safe operation of the traction drive system highly important. Increasing demands for traction drives that can operate in challenging environments over wide constant power speed ranges ...
Gilsu Choi
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