Results 21 to 30 of about 2,951 (236)
Evaluation of E-vehicle Efficiency Enhancement with Magnetic Materials [PDF]
E3S Web of ConferencesElectric vehicles (EVs) commonly use BLDC (Brushless DC) motors because of their efficiency, reliability, and low maintenance needs. BLDC motors are perfect for vehicle propulsion because they convert a large portion of electrical energy into mechanical ...
Roshini R. +3 more
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Research on torque ripple suppression of brushless DC motor based on PWM modulation [PDF]
Archives of Electrical Engineering, 2019 Brushless DC motors are often used as the power sources for modern ship electric propulsion systems. Due to the electromagnetic torque ripple of the motor, the traditional control method reduces the drive performance of the motor under load changes ...
Zhang Daode +4 more
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A Sensorless Brushless DC Motor System.
IEEJ Transactions on Industry Applications, 1991 AbstractThis paper describes a brushless dc motor system without position or speed sensor. The brushless motor consists of a permanent magnet synchronous motor and a voltage‐source inverter capable of controlling the amplitude and frequency of voltage.
Ogasawara, Satoshi +2 more
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Stabilization of the FO-BLDCM Chaotic System in the Sense of Lyapunov
Discrete Dynamics in Nature and Society, 2015 Based on an integer-order Brushless DC motors (IO-BLDCM) system, we give a fractional-order Brushless DC motors (FO-BLDCM) system in this paper.
Ping Zhou, Rongji Bai, Hao Cai
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Evaluation of the magnetization direction effects on ferrite PM brushless fractional machines [PDF]
, 2012 Permanent magnets are frequently adopted in small brushless machines for automotive applications. Normally anisotropic ferrites, but some research on bonded magnets is being carried on.
P. Ferraris +7 more
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Proposed Commutation Method for Performance Improvement of Brushless DC Motor
Energies, 2021 This study focused on the efficiency improvement and acoustic noise reduction of brushless DC (BLDC) motors by reducing current harmonics using a novel BLDC commutation method. To achieve these goals, we designed an improved 150° commutation method for a
Chang-Sung Jin +3 more
doaj +1 more source
Design issues of an IPM motor for EPS [PDF]
, 2011 In electric power steering (EPS), permanent magnet (PM) brushless ac (BLAC) motors offer distinct advantages over other electric motor types in terms torque smoothness, reliability and efficiency.
Shen, Jian-Xin +4 more
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Research on auxiliary resonant commutated pole inverter for driving brushless DC motor
Energy Reports, 2022 The brushless DC motor is generally used in small satellite flywheel systems due to its good control performance and structure robustness. However, its driving inverter still suffers from hard-switching that leads to higher loss and larger heatsink ...
Miao-miao Cheng +2 more
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Brushless dc motor with large air gap
Electrical Engineering in Japan, 1997 The authors propose a new brushless dc motor for pumps, with a large air gap of 8 mm, compared with the conventional gap of 1 mm. The conventional pump system is composed of an induction motor, a magnetic coupling, and a magnetic rotor with vane. This rotor receives power from the magnetic coupling.
Nakamura, Yoshinobu +2 more
openaire +2 more sources
Energy Reports, 2023 The first-order inertia of the armature winding of the brushless DC motor will cause current offset, which will reduce the electromagnetic torque. In the sensorless drive of brushless DC motors, correction of commutation point is an effective solution to
Kun Liu +4 more
doaj +1 more source