<abstract xmlns="http://www.w3.org/1999/xhtml"><p> 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.</p></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.

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

Center of Excellence for Power Systems Automation and Operation, Electrical Engineering Department, Iran University of Science and Technology, Tehran 1311416846, Iran

Faculty of Electrical and Computer Engineering, Babol University of Technology, Babol, Iran

Faculty of Electrical and Computer Engineering Shahid Beheshti University, Evin, Tehran, Iran

Journal of Electrical Engineering

This paper presents a comparative study between direct torque control (DTC) and predictive torque control (PTC) of Axial Flux Permanent magnet Machines (AFPM)....

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

Published Online: Nov 23, 2013

Page range: 346 - 353

DOI: https://doi.org/10.2478/jee-2013-0052

Keywords
axial flux permanent magnet machine, direct torque control, predictive control, synchronous machine drives, torque ripple

This content is open access.

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

Published Online: Nov 23, 2013

Page range: 346 - 353

DOI: https://doi.org/10.2478/jee-2013-0052

Keywordsaxial flux permanent magnet machine, direct torque control, predictive control, synchronous machine drives, torque ripple

This content is open access.

Keywords
axial flux permanent magnet machine, direct torque control, predictive control, synchronous machine drives, torque ripple