Results 31 to 40 of about 1,383,109 (276)
FPGA-based implementation of the back-EMF symmetric-threshold-tracking sensorless commutation method for brushless DC-machines [PDF]
, 2013 The operation of brushless DC permanent-magnet machines requires information of the rotor position to steer the semiconductor switches of the power-supply module which is commonly referred to as Brushless Commutation. Different sensorless techniques have
Darba, Araz +3 more
core +1 more source
Optimal PID controller of a brushless dc motor using genetic algorithm
International Journal of Power Electronics and Drive Systems (IJPEDS), 2019 Brushless DC (BLDC) motor is commonly employed for many industrial applications due to their high torque and efficiency. This article produces an optimal designed controller of Brushless DC motor speed control depending on the genetic algorithm (GA). The
M. Ibrahim +2 more
semanticscholar +1 more source
PM fractional machines adopting bonded magnets: effect of different magnetizations on the energetic performance [PDF]
, 2012 The adoption of Permanent Magnets in small brushless machines for automotive applications is becoming frequent. Some research on bonded magnets is being carried on to substitute the ferrites.
Ferraris, Luca +3 more
core +1 more source
Performance of halbach magnetized brushless ac motors [PDF]
IEEE Transactions on Magnetics, 2003 In this paper, an anisotropic bonded NdFeB Halbach magnetised ring magnet, which is oriented in powder alignment system during injection moulding and subsequently impulse magnetised, is employed. The features of such a Halbach magnetised machine, in terms of the airgap field distribution, and the back-emf and cogging torque waveforms, etc.
Zhu, Z.Q. +5 more
openaire +2 more sources
Research on the fault diagnosis of dual-redundancy BLDC motor
Energy Reports, 2021 In aerospace drive system, the double redundancy brushless DC motor can greatly improve the reliability of drive system. In this paper a double-redundancy brushless DC motor is designed, and a mathematical model is established.
Zhaoyang Fu, Xingbang Liu, Jinglin Liu
doaj +1 more source
Rotor resonances of high-speed permanent-magnet brushless machines [PDF]
, 2002 For high-speed machines, in particular, it is very important to accurately predict natural frequencies of the rotor at the design stage so as to minimize the likelihood of failure.
Ede, J.D., Howe, D., Zhu, Z.Q.
core +1 more source
Mathematical Problems in Engineering, 2019 The brushless director current (DC) motor is a new type of mechatronic motor that has been developed rapidly with the development of power electronics technology and the emergence of new permanent magnet materials.
W. Xie, Jie-sheng Wang, Haibin Wang
semanticscholar +1 more source
Fuzzy PID Control of Brushless Motors in Positive Pressure Respiratory Protective Masks
Journal of Harbin University of Science and TechnologyPositive pressure respiratory protection mask is used as individual protective equipment for health care workers to protect against the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2).
ZHAO Xintong +3 more
doaj +1 more source
Design of torque system for electric bicycle based on fuzzy PID
The Journal of Engineering, 2019 This article analyses the structure and working principle of the brushless DC motor, the advantages and disadvantages of PID regulation and fuzzy control are analysed as well, and puts forward the fuzzy PID motor control technology with both advantages ...
Yunhong Zheng +2 more
doaj +1 more source
Development and Performance Investigation of the Direct Brushless Torque Motor
Communications, 2023 The paper deals with the brushless torque motor, that was designed for precise positioning device to substitute servo drive for high torque and low speed application.
Marek Franko +4 more
doaj +1 more source