scholarly journals Comparative study of novel axial flux magnetically geared and conventional axial flux permanent magnet machines

2018 ◽  
Vol 2 (4) ◽  
pp. 392-398 ◽  
Author(s):  
Mohammed F. H. Khatab ◽  
Z. Q. Zhu ◽  
H. Y. Li ◽  
Y. Liu
Keyword(s):  
Comparative Study ◽  
Permanent Magnet ◽  
Permanent Magnet Machines ◽  
Axial Flux

scholarly journals A Comparative Study Between Direct Torque Control and Predictive Torque Control for Axial Flux Permanent Magnet Synchronous Machines

2013 ◽  
Vol 64 (6) ◽  
pp. 346-353 ◽  
Author(s):  
Mohsen Siami ◽  
S. Asghar Gholamian ◽  
Mosayeb Yousefi
Keyword(s):  
Comparative Study ◽  
Permanent Magnet ◽  
Discrete Time ◽  
Direct Torque Control ◽  
Torque Control ◽  
Time Interval ◽  
Permanent Magnet Machines ◽  
Permanent Magnet Synchronous Machines ◽  
Axial Flux ◽  
Time Model

Abstract This paper presents a comparative study between direct torque control (DTC) and predictive torque control (PTC) of Axial Flux Permanent magnet Machines (AFPM). In conventional DTC method for permanent magnet machines, only six actives voltage vectors of inverter are used to control torque and flux of machine. But in predictive torque control, in addition to six active voltage vectors, zero voltage vectors are used to control machine. So number of voltage vectors to control AFPM increases that leads to lower ripple of torque and flux. In predictive torque control, the response of torque and flux are computed for all possible switching states of inverter at every sample time according to discrete time model of machine, and then the switching state that optimizes ripple of torque and flux, will be applied in next discrete-time interval. Simulation results which compare the results of implementation of both methods and confirm the good performance of the proposed predictive torque control are presented.

Performance Assessment and Comparative Study of a Permanent Magnet Machine With Axial Flux Regulator

2019 ◽  
Vol 34 (3) ◽  
pp. 1522-1531 ◽  
Author(s):  
Daohan Wang ◽  
Chen Peng ◽  
Donghui Xue ◽  
Dengxu Zhang ◽  
Xiuhe Wang
Keyword(s):  
Comparative Study ◽  
Performance Assessment ◽  
Permanent Magnet ◽  
Axial Flux ◽  
Permanent Magnet Machine
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