Results 61 to 70 of about 467 (182)

Cooperative UAVs/Drones for Inspection of Civil Infrastructure: A Review of Current Challenges and Future Directions

Structural Control and Health Monitoring, Volume 2026, Issue 1, 2026.
Recently, UAVs/drones and their cooperative intelligent swarms have been used more frequently for structural assessment of critical infrastructure (i.e., bridges and wind turbines). Their remote sensing, monitoring, cooperation and communication capabilities facilitate and enhance the inspection process.
Abdollah Malekjafarian, Maha Riad, Jiayi Chen, Ramin Ghiasi, Guthemberg Da-Silva-Silvestre, Fatemeh Golpayegani, Young-Jin Cha   +6 more
wiley   +1 more source

Analysis and Design of a Brushless WRSM with Harmonic Excitation Based on Electromagnetic Induction Power Transfer Optimization

Magnetism
This paper proposes a method to analyze the effect of the rotor’s harmonic winding design and the output of a brushless wound rotor synchronous machine (WRSM) for optimal excitation power transfer.
Arsalan Arif, Farhan Arif, Zuhair Abbas, Ghulam Jawad Sirewal, Muhammad Saleem, Qasim Ali, Mukhtar Ullah   +6 more
doaj   +1 more source

Optimal Design and Experimental Verification of Wound Rotor Synchronous Machine Using Subharmonic Excitation for Brushless Operation

Energies, 2018
This paper presents an optimal design of a recently introduced brushless wound-rotor synchronous machine (BL-WRSM). The BL-WRSM, with a special stator winding arrangement, utilizes a single three-phase inverter for generating an additional spatial ...
Asif Hussain, Shahid Atiq, Byung-il Kwon
doaj   +1 more source

Brushless Synchronous Machine With Dual-Frequency Inverter for High Torque and Low Ripple Operation

IEEE Access
In this paper, a novel brushless synchronous machine topology is introduced with the integration of a double-frequency inverter system, which plays a pivotal role in generating a sub-harmonic magnetomotive force (MMF) that significantly enhances torque ...
Hafiz Mudassir Munir, Qasim Ali, Jose Rodriguez, Mohamed Abdelrahem   +3 more
doaj   +1 more source

Control of a Dual-Stator Flux-Modulated Motor for Electric Vehicles

Energies, 2016
This paper presents the control strategies for a novel dual-stator flux-modulated (DSFM) motor for application in electric vehicles (EVs). The DSFM motor can be applied to EVs because of its simple winding structure, high reliability, and its use of two ...
Xinhua Guo, Shaozhe Wu, Weinong Fu, Yulong Liu, Yunchong Wang, Peihuang Zeng   +5 more
doaj   +1 more source

Research of Brushless Doubly-fed Machine with Non-salient Pole

Gong-kuang zidonghua, 2012
In view of problem that conversion efficiency of rotator flux of brushless doubly-fed machine influences on working efficiency, the paper proposed an optimal design scheme of non-salient pole rotator structure of brushless doubly-fed machine.
LI Sheng-li
doaj  

Finite Element Analysis of Cogging Torque and Torque Ripple of Brushless DC Motor

Wasit Journal of Engineering Sciences
Brushless DC (BLDC) motors are used in various applications, including industrial, automotive, aerospace, and computers, due to their many benefits. Still, it has some drawbacks, like its cogging torque and torque ripple.
Estabraq Abd-Al Kareem, Amer M.Ali
doaj   +1 more source

Design Optimization of a Harmonic-Excited Synchronous Machine Using the Nelder–Mead Algorithm With an Internal Optimization Procedure

IEEE Open Access Journal of Power and Energy
Harmonic excitation synchronous machines (HESMs) with brushless rotor excitation are promising for a range of applications, especially for electric vehicles, due to their compact and reliable design free from slip rings and additional exciters.
Vladimir Prakht, Vladimir Dmitrievskii, Vadim Kazakbaev, Victor Goman, Xiaodong Sun   +4 more
doaj   +1 more source

Fault-Tolerant Operation of Wound Field Synchronous Machine Using Coil Switching

IEEE Access, 2019
This paper proposes a fault tolerant operation of a wound field synchronous machine (WFSM) under the loss of excitation (LOE) fault in the rotor field winding. A two-mode field excitation scheme is presented, where the rotor of the WFSM was modified, and
Muhammad Ayub, Shahid Atiq, Ghulam Jawad Sirewal, Byung-Il Kwon   +3 more
doaj   +1 more source

Design and Optimization of Brushless Hybrid Wound Rotor Vernier Motor for Variable Speed Applications

IEEE Access
This paper presents the optimized design and electromagnetic performance analysis of a brushless hybrid wound rotor vernier motor (BL-HWRVM) for automatic washing machine applications.
Kapeel Kumar, Qasim Ali, Sheeraz Ahmed, Muhammad Ilyas, Hanlin Zhan, Mudassir Raza Siddiqi   +5 more
doaj   +1 more source