Results 41 to 50 of about 18,623 (223)
Optimal design of a multi-phase double-stator bearingless brushless direct current motor
Advances in Mechanical Engineering, 2017 To overcome the serious coupling between torque and levitation forces, increase the output torque, and improve fault tolerance performance for the bearingless brushless direct current motor, a multi-phase double-stator bearingless brushless direct ...
Yuemei Qin, Huangqiu Zhu
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Comparative Analysis of Fault-Tolerant Dual-Channel BLDC and SR Motors
Energies, 2019 This article presents the results of a comparative analysis of two electronically commutated brushless direct current machines intended for fault-tolerant drives.
M. Korkosz +4 more
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Brushless Field Excitation Scheme for Wound Field Synchronous Machines
Applied Sciences, 2020 A new harmonic field excitation technique for the brushless operation of wound field synchronous machines (WFSMs) is proposed in this paper. The proposed scheme involves conventional three-phase and single-phase inverters operating at different ...
Syed Sabir Hussain Bukhari +3 more
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IEEE Access, 2023 This paper introduces a topology for achieving the brushless operation of a wound rotor vernier motor using a single-phase additional winding on the stator, specifically designed for variable-speed applications e.g., washing machines.
Muhammad Humza +3 more
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A general magnetic-energy-based torque estimator: validation via a permanent-magnet motor drive [PDF]
, 2008 This paper describes the use of the current–flux-linkage ($i{-}psi$ ) diagram to validate the performance of a general magnetic-energy-based torque estimator.
Cossar, C. +4 more
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IEEE Access, 2023 Permanent magnet (PM) machines have broad applicability and a rapid output rise due to their good power factor, high efficiency, and power density. However, with the recent high cost, unavailability, and demagnetization issues of PMs, the wound rotor ...
Sheeraz Ahmed +5 more
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A Soft Robotic Device for Targeted Massage Therapy of Residual Limbs
Advanced Robotics Research, EarlyView.Residual limb edema after amputation can hinder recovery and delay prosthetic fitting. This study presents a soft‐robotic wearable device that delivers sequential compression through pneumatic McKibben actuators. By replicating the principles of manual lymphatic drainage, the device generates controlled mechanotherapeutic pressure patterns, providing a
Maria Grazia Polizzotto +5 more
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Design and Optimization of Permanent Magnet Brushless Machines for Electric Vehicle Applications
Energies, 2015 In this paper, by considering and establishing the relationship between the maximum operating speed and d-axis inductance, a new design and optimization method is proposed.
Weiwei Gu, Xiaoyong Zhu, Li Quan, Yi Du
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Flux observer algorithms for direct torque control of brushless doubly-fed reluctance machines [PDF]
, 2009 Direct Torque Control (DTC) has been extensively researched and applied to most AC machines during the last two decades. Its first application to the Brushless Doubly-Fed Reluctance Machine (BDFRM), a promising cost-effective candidate for drive and ...
Chaal, Hamza, Jovanovic, Milutin
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Bioinspired Adaptive Leg‐Claw Enables Robust Perching and Grasping for UAVs
Advanced Science, EarlyView.Inspired by owl limb morphology and bat roosting behavior, this study presents a bioinspired adaptive leg‐claw mechanism that enables UAVs to perform robust and versatile perching and grasping. The design integrates a four‐link tibial structure, tension‐driven deformable feet, and active control, enabling stable perching on various branches and ...
Tianyu Cheng +6 more
wiley +1 more source