Direct Power and Torque Control of AC/DC/AC Converter-Fed ...

Acknowledgements
The work presented in the thesis was carried out during author’s Ph.D. studies at
the Institute of Control and Industrial Electronic at the Warsaw University of
Technology, Faculty of Electrical Engineering and grant of the Ministry of Science
and Information Society Technologies. Some parts of the work were realized in
cooperation with foreign Universities and scientific organization:
‣ University of Aalborg at Institute of Energy Technology, Denmark (Prof.
Frede Blaabjerg)
‣ Nordic Network for Multi Disciplinary Optimised Electric Drives,
Denmark (Prof. Ewen Ritchie)
‣ Politecnico di Bari (Prof. Marco Liserre)
First of all, I would like to express gratitude Prof. Marian P. Kaźmierkowski for the
continuous support and help. His precious advice and numerous discussions
enhanced my knowledge and scientific inspiration.
I am grateful to Prof. Andrzej Sikorski from the Białystok Technical University
and Prof. Roman Barlik from the Warsaw University of Technology for their interest
in this work and holding the post of referee.
Furthermore, I thank my colleagues from the Intelligent Control Group in Power
Electronics for their support and friendly atmosphere. Especially, to Dr. Mariusz
Malinowski, Dr Marcin Żelechowski, Dariusz Świerczyński M.Sc., and Patrycjusz
Antoniewicz M.Sc.
Finally, I am very grateful for my wife Agnieszka, daughter Maja, and son Mateusz
for their love, patience and faith. I would also like to thank to my whole family,
particularly my parents for their care over the years.