Results 31 to 40 of about 83,304 (314)
Assessment of torque components in brushless permanent-magnet machines through numerical analysis of the electromagnetic field [PDF]
, 2005 For the calculation of torque in brushless (BL) alternating current motors a local method is proposed, based on the Maxwell stress theory and the filtered contributions due to the harmonics of the magnetic vector potential in the motor air gap.
Dellinger, S.J. +4 more
core +1 more source
Energies, 2018 This paper presents the design and optimization of a novel wound field synchronous machine topology, in which permanent magnets (PMs) are introduced into the rotor slot opening with segment configuration for high quality output torque performance.
Wenping Chai +2 more
doaj +1 more source
Switched Reluctance Motor Design for a Light Sport Aircraft Application
Machines, 2023 This paper presents the design of a switched reluctance motor (SRM) for a direct-drive propulsion application for a light sport aircraft. The SRM is designed to replace a 70 kW permanent magnet synchronous motor used in aerospace application with similar
Mohammad Ehsan Abdollahi +3 more
doaj +1 more source
Sensorless Control of Wound Rotor Synchronous Motors Based on Rotor High-Frequency Signal Injection
2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020 IEEE Energy Conversion Congress and Exposition, ECCE 2020 (12th. 2020. Detroit, USA)
David Reigosa +5 more
openaire +2 more sources
Analysis of cogging torque in brushless machines having nonuniformly distributed stator slots and stepped rotor magnets [PDF]
, 2005 A simple analytical technique is proposed for synthesizing the cogging torque waveform of a permanent magnet brushless machine from the cogging torque waveform that is associated with a single stator slot.
Howe, D. +3 more
core +1 more source
Energy Reports, 2021 The load of the offshore oil platform is mostly pump unit, Asynchronous motor with cage rotor has simple structure, reliable operation, and inexpensive. But it has a huge shortcoming of its low efficiency.
Le Li +4 more
doaj +1 more source
Mathematics, 2022 A synchronous homopolar motor (SHM) has a salient pole passive rotor, an excitation winding located on the stator, and no permanent magnets, which ensures high reliability and makes this type of motor a good alternative to motors traditionally used in ...
Vladimir Prakht +3 more
doaj +1 more source
High-Speed, Maneuverable, and Terrain-Adaptive Micro-Robot with Tree Frog-Inspired Bionic Feet. [PDF]
Adv Sci (Weinh)A 7.5 mm micro‐robot integrates tree frog‐inspired bionic feet with an electromagnetic linear motor to achieve high‐speed locomotion, slope climbing, and precise turning. It reaches 39 body lengths per second and ascends 30° slopes. The system demonstrates strong potential for inspection tasks in confined and complex environments, such as micro‐aero ...
Zhao W +10 more
europepmc +2 more sources
Evolution and Modern Approaches for Thermal Analysis of Electrical Machines [PDF]
, 2009 In this paper, the authors present an extended survey on the evolution and the modern approaches in the thermal analysis of electrical machines. The improvements and the new techniques proposed in the last decade are analyzed in depth and compared in ...
Boglietti, Aldo +5 more
core +1 more source
Preliminary design and optimization of toroidally-wound limited angle servo motor based on a generalized magnetic circuit model [PDF]
, 2016 This paper proposes a new generalized equivalent magnetic circuit model for the preliminary design of a toroidally-wound limited angle servo motor (LASM).
Jiao, Zongxia +4 more
core +1 more source