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FPGA Implementation of a DB – DTFC Scheme for Induction Machines

Domínguez Olaverría, Gabriel Alejandro (2012) In CODEN:LUTEDX/TEIE EIE920 20121
Industrial Electrical Engineering and Automation
Abstract
Induction machines have been used in a wide range of applications due to its robustness and its low
price. These characteristics make the induction machine a suitable option for industrial and home
environments especially for those applications where the required speed is constant and the load
does not change drastically.
As an alternative to the induction machine, the synchronous machine, particularly the Permanent
Magnet machine has been used as well in a wide range of applications, as it is the case with electrical
traction systems for different vehicles. But the recent increase in the price of magnets and the
difficulty to find a reliable source for massive production, have become an important reason to try to
move the market... (More)
Induction machines have been used in a wide range of applications due to its robustness and its low
price. These characteristics make the induction machine a suitable option for industrial and home
environments especially for those applications where the required speed is constant and the load
does not change drastically.
As an alternative to the induction machine, the synchronous machine, particularly the Permanent
Magnet machine has been used as well in a wide range of applications, as it is the case with electrical
traction systems for different vehicles. But the recent increase in the price of magnets and the
difficulty to find a reliable source for massive production, have become an important reason to try to
move the market to magnet-free alternatives, such as reluctance and induction machines.
However, controlling an induction machine has been a difficult task since its invention, especially
during highly dynamic regimes, where the required torque/speed changes constantly. In order to
solve this problem several methods have been developed over the years, the most used are field
oriented control and direct torque control. Both methods use the torque and the magnitude of the
magnetic flux as controlled variables. But, even if they provide an acceptable response, they still
present some limitations as torque ripple, current ripple, overshot, etc.
In order to improve the performance of the induction machines when working in demanding regimes
numerous improvements have been made to the existing control methods, and also new methods
have been developed.
One of the methods recently developed is called Deadbeat Direct Torque and Flux Control. This
method has been developed at the Departments of Mechanical Engineering and Electrical and
Computer Engineering, University of Wisconsin, Madison. The DB-DTFC is presented as an alternative
that promises to reduce considerably the lacks presented in the previous methods. In principle this
new method is supposed to provide an instantaneous response without overshoot or torque ripple
under perfect conditions.
According to all the bibliography found, this technique has been only implemented in a micro
controller and exclusively by the mentioned research group. This makes the thesis even more
interesting since it may be the second documented attempt to implement such system and the first
time it is done on an FPGA. (Less)
Please use this url to cite or link to this publication:
author
Domínguez Olaverría, Gabriel Alejandro
supervisor
organization
course
EIE920 20121
year
type
H3 - Professional qualifications (4 Years - )
subject
publication/series
CODEN:LUTEDX/TEIE
report number
5298
language
English
id
3706230
date added to LUP
2015-03-23 15:22:48
date last changed
2015-03-23 15:22:48
@misc{3706230,
  abstract     = {Induction machines have been used in a wide range of applications due to its robustness and its low
price. These characteristics make the induction machine a suitable option for industrial and home
environments especially for those applications where the required speed is constant and the load
does not change drastically.
As an alternative to the induction machine, the synchronous machine, particularly the Permanent
Magnet machine has been used as well in a wide range of applications, as it is the case with electrical
traction systems for different vehicles. But the recent increase in the price of magnets and the
difficulty to find a reliable source for massive production, have become an important reason to try to
move the market to magnet-free alternatives, such as reluctance and induction machines.
However, controlling an induction machine has been a difficult task since its invention, especially
during highly dynamic regimes, where the required torque/speed changes constantly. In order to
solve this problem several methods have been developed over the years, the most used are field
oriented control and direct torque control. Both methods use the torque and the magnitude of the
magnetic flux as controlled variables. But, even if they provide an acceptable response, they still
present some limitations as torque ripple, current ripple, overshot, etc.
In order to improve the performance of the induction machines when working in demanding regimes
numerous improvements have been made to the existing control methods, and also new methods
have been developed.
One of the methods recently developed is called Deadbeat Direct Torque and Flux Control. This
method has been developed at the Departments of Mechanical Engineering and Electrical and
Computer Engineering, University of Wisconsin, Madison. The DB-DTFC is presented as an alternative
that promises to reduce considerably the lacks presented in the previous methods. In principle this
new method is supposed to provide an instantaneous response without overshoot or torque ripple
under perfect conditions.
According to all the bibliography found, this technique has been only implemented in a micro
controller and exclusively by the mentioned research group. This makes the thesis even more
interesting since it may be the second documented attempt to implement such system and the first
time it is done on an FPGA.},
  author       = {Domínguez Olaverría, Gabriel Alejandro},
  language     = {eng},
  note         = {Student Paper},
  series       = {CODEN:LUTEDX/TEIE},
  title        = {FPGA Implementation of a DB – DTFC Scheme for Induction Machines},
  year         = {2012},
}