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
Analytical and numerical computation of air-gap magnetic fields in brushless motors with surface permanent magnets [PDF]
, 2000 This paper extends the theory of the air-gap magnetic field in permanent-magnet (PM) brushless motors. Scalar and vector potential solutions to the field equations are brought together to unify many of the important practical methods already in use.
Davies, J.H. +4 more
core +1 more source
Permanent-magnet brushless machines with unequal tooth widths and similar slot and pole numbers [PDF]
, 2005 This paper presents a comparative study of three-phase permanent-magnet brushless machines in which the slot and pole numbers are similar, with reference to conventional brushless dc machines in which the ratio of the slot number to pole number is ...
Howe, D., Ishak, D., Zhu, Z.Q.
core +1 more source
Influence of design parameters on the starting torque of a single-phase PM brushless DC motor [PDF]
, 2000 The starting torque of a single-phase permanent magnet brushless DC motor is investigated, for both radial and parallel magnetization. Finite element analysis is used to assess the relative merits of alternative methods of introducing the required air ...
Bentouati, S., Howe, D., Zhu, Z.Q.
core +1 more source
Prediction Of Brushless DC Motor And Propeller Efficiency Using An Artificial Neural Network Model
Düzce Üniversitesi Bilim ve Teknoloji DergisiThis study focuses on an artificial neural network model that allows users of brushless motor and propeller test rigs to compare the accuracy of data received in the interface software during testing.
İdris Kosova +2 more
doaj +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
Electronic beam switching commutator Patent [PDF]
, 1967 Using electron beam switching for brushless motor ...
Studer, P. A.
core +1 more source
Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines [PDF]
, 2002 A general analytical technique predicts the magnetic field distribution in brushless permanent magnet machines equipped with surface-mounted magnets. It accounts for the effects of both the magnets and the stator windings.
Chan, C.C., Howe, D., Zhu, Z.Q.
core +2 more sources
Summary on Sensorless permanent magnet Brushless DC Motor Control Strategies
MATEC Web of Conferences, 2016 This paper aims at discussing the development process and application of permanent magnet brushless DC motor. By referring to the related literatures, this thesis gives an overview of several common non-position sensor detection technologies, analyzing ...
Li Hai Xia, Cao Yang
doaj +1 more source
A Novel Sub-Harmonic Synchronous Machine Using Three-Layer Winding Topology
World Electric Vehicle Journal, 2022 This paper proposes a novel brushless synchronous machine topology that utilizes stator sub-harmonic magnetomotive force (MMF) for desirable brushless operation.
S M Sajjad Hossain Rafin +2 more
doaj +1 more source