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Multifarious topologies of a transverse flux permanent magnet machine (TFPMM) with characteristics of a large torque and considerable pole-number have been proposed. A TFPMM with a double Ω-hoop stator laminated by traditional steel sheets is presented in this study to enhance the performance of space utilization and power density. The construction of this machine stretches far beyond double-sided...
A novel high performance torque control scheme for switched reluctance motors(SRMs) is proposed based on online fuzzy neural network modeling and adaptive sliding-mode current control. Firstly, an adaptive neural fuzzy inference system(ANFIS) is designed to learn the nonlinear static position-torque-current characteristic and the flux-linkage characteristic of an SRM offline. Then each phase torque...
The Intelligent control methods are drawing great attentions due to their strong adaptive ability and learning ability. Because of strongly nonlinear magnetic characteristics of switched reluctance motor(SRM), modeling of the torque characteristics is difficult. In this paper, the new torque modeling approach based on artificial neural network(ANN) is investigated, where the training data are obtained...
Accurate calculation of the flux linkage characteristics is the basis of design and control of bearingless switched reluctance motor (BSRM). In this paper, flux linkage of main-and suspended windings for a BSRM were calculated by using 3D finite element method (FEM). A new subregional fitting algorithm was proposed and a novel mathematical model of flux linkage was built by using Fourier series and...
This paper presents a method of optimizing number of turns of the main and radial force winding for a bearingless switched reluctance motor (BSRM) with 12/8 teeth configuration based on its mathematical model. The radial force and torque of BSRM are analyzed on condition of different combinations of the magnetomotive force of two kinds of windings. The winding configuration has a strongly influence...
In this paper, two kinds of control strategies applied to a switched reluctance motor (SRM) with 12/8 teeth configuration have been analyzed based on a three-phase bridge converter. The first strategy is that the three phase SRM windings have to be connected in delta, with a separate diode connected in series with each phase, which is possible to control the voltage and current of each phase independently...
This paper investigates effects of rotor eccentric radial displacements on magnetic field distribution, winding inductances, radial force and torque of BSRM. Magnetic field distributions of BSRM with different displacements of rotor eccentricity are calculated by 2-D finite element analysis. Then inductances of main and radial force windings, radial force and torque can be obtained, respectively....
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