ACKNOWLEDGEMENTS

I would like to thank my supervising professor Dr. Atilla Dogan for constantly motivating and encouraging me, and also for his invaluable advice during the course of my studies. I wish to thank my academic advisors Dr. Donald R. Wilson and Dr. Kamesh Subbarao for their interest in my research and for taking time to serve in my thesis committee. I would also like to extend my appreciation to Royal Thai Air Force for providing scholarship for my Master studies. I wish to thank all my colleagues and co-workers at Aeronautical and Aviation Engineering Department, Royal Thai Air Force Academy for their support and encouragement. Finally, I would like to express my extreme gratitude to my parents, sister and wife for their sacrifice, encouragement and patience. I also thank several of my friends, especially Dr.Natee Pantong who have helped me throughout my career