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° method for three-phase permanent magnet motor that can improve waveform. Although 120° is generally employed motors, introduced to operate with increased similar AC mo...

Abstract The permanent magnet brushless DC propulsion motor is highly efficient and energy-saving can be widely used in the electric system of ships. Therefore, taking marine seven-phase as main research object, basic structure analyzed, states conduction, six-phase five-phase conduction modes are listed, mathematical models three different studied. Finally, current fluctuation mode smaller thr...

Abstract In order to meet the requirements of small moment inertia brushless DC torque motor, optimal design shafting and research on measurement method were carried out basis structure flat motor rotor high-precision sensor. this paper, ProE5.0 software is used model simulate shaft permanent magnet synchronous motor. After comparing common methods inertia, single-wire torsional oscillation tes...

In this paper a fast analytical algorithm for design a surface-mounted PM Brushless DC motor (SMPM-BLDC) for variable-speed application based on electromagnetic field analysis and RSM optimization algorithm is discussed. To achieve the desired performance, the physical dimensions of the proposed SMPM-BLDC motor subject to minimal ripple torque utilizing RSM optimization algorithm were optimized...

<span lang="EN-US">Brushless DC (BLDC) motor is widely used for various applications such as transportation. BLDC has many advantages compared to brush more compact, high robustness and simplest construction. The maintenance of this also low due absent the inside motor. For electric bicycle application, conventional electromagnetic torque because not properly designed. It faces density in...

in this paper, the optimal design of a three phase surface mounted permanent magnet synchronous motor has been done by particle swarm optimization and bees algorithm. this machine has been designed for high speed applications, and an epoxy and glass fiber bandage is used for permanent magnet protection against centrifugal forces. the optimization has been done by new design equations to improve...

The product delivery system is normally powered by a DC motor. Permanent magnet brushless DC motor small sized, high power density, simple structure, is currently being widely used in a variety of transmission systems. In this paper, a permanent magnet motor position sensorless actuator for the production of a delivery system is studied. The actuator position control algorithm of the EGR system...

This paper presents an influence issue improved by victimisation buck-boost convertor for BLDC motor drive as a value effective answer for low power applications. AN approach of speed management of BLDC motor by dominant the DC link voltage of VSI (Voltage supply Inverter) is employed. This facilitates the operation of VSI at fundamental change by victimisation the electronic commutation of BLD...