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The Staff

Dr. D.A.A.C. Ratnaweera

Senior Lecturer
 
Office Address: 

Department of Mechanical Engineering,
University of Peradeniya,
Peradeniya,20400,
Sri Lanka.
 Email: 
 asangar@pdn.ac.lk
Telephone: 
 +94 812 393 627
Fax :
 081-2393611
 

Educational Qualifications :
  • PhD : 2004 , Performance Optimization of Spark Ignition Engines, University of Melbourne, Australia
  • BSc.Eng: 1997, University of Peradeniya, Sri Lanka.
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Research Interests :
  • Machine Design; Artificial Intelligence; Optimization; Automobile Engineering; Image Processing
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Research Publications (Refereed Journal Articles ) :
  • Asanga Ratnaweera, Saman K. Halgamuge, Harry C. Watson, “Self-Organizing Hierarchical Particle Swarm Optimizer With Time-Varying Acceleration Coefficients”, IEEE Trans. Evolutionary Computation 8(3): 240-255 (2004).
  • Bill C. H. Chang, Asanga Ratnaweera, Saman K. Halgamuge, Harry C. Watson “Particle Swarm Optimization for Protein Motif Discovery”, Genetic Programming and Evolvable Machines 5(2): 203-214 (2004).

Book Chapter :
  • Mario Andrés Muñoz, Asanga Ratnaweera and Saman Halgamuge, “Parameter control methods for Swarm Intelligence Algorithms” to be published in the Handbook of Swarm Intelligence – Concepts, Principles and Applications, Springer-Verlag publication
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Peer Reviewed Conference Proceeding:
  • Asanga Ratnaweera, Saman Halgamuge and Harry Watson, “Particle Swarm Optimizer with Time Varying Acceleration Coefficients", Proceedings of the international Conference on Soft Computing and Intelligent Systems 2002, Oct. 2002, Tsukuba, Japan.
  • Asanga Ratnaweera, Saman Halgamuge and Harry Watson, “Particle Swarm Optimization with Self Adaptive Acceleration Coefficients", Proceedings of the 1st International Conference on Fuzzy Systems and Knowledge Discovery, FSDK 02, Singapore, Nov. 2002.
  • Asanga Ratnaweera, Harry Watson and Saman Halgamuge, “Optimization of Valve Timing Events of Internal Combustion Engines with Particle Swarm Optimization", Proceedings of the 2003 Congress on Evolutionary Computation, CEC 2003, vol. 4, pp 2411-2418, Dec. 2003, Canberra, Australia.
  •  Asanga Ratnaweera, Saman Halgamuge and Harry Watson, “Engineering Optimization with Evolutionary Computation", Proceedings of International Information Technology Conference 2003, IITC 2004, Dec. 2004, Colombo, Sri Lanka.
  • Asanga Ratnaweera, Harry Watson and Saman Halgamuge, “Enhanced ICSI Engine Performance with Particle Swarm Optimization", Proceedings of Third International Conference on Synergy of Fuel and Automotive Technology for A Cleaner Environment 2004, pp 487-492, January 2004, New Delhi, India.
  • Asanga Ratnaweera, Harry Watson and Saman Halgamuge, “New Engine Optimization Techniques" , Proceeding of FISITA 2004 - World Automotive Congress, Barcelona, Spain, May 2004.
  • Asanga Ratnaweera, Harry Watson and Saman Halgamuge, “Optimization of All SI Engine Combustion Control and Related Events for Efficiency”, SAE World Congress, April 3-7, 2006, Cobo Center, Detroit, Michigan.
  • L. N. C. De Silva, D.A.A.C. Ratnaweera, “A Hybrid Algorithm for Frontal, Single or Multiple Face Detection in Color Images”, Proceeding of Second International Conference on Industrial and Information Systems ICIIS 2007, 9 – 11 August 2007, Faculty of Engineering, University of Peradeniya, Sri Lanka.
  • D.A. Meedeniya, D.A.A.C. Ratnaweera, “Enhanced Face Recognition through Variation of Principle Component Analysis (PCA)”, Proceeding of Second International Conference on Industrial and Information Systems ICIIS 2007, 9 – 11 August 2007, Faculty of Engineering, University of Peradeniya, Sri Lanka.
  • Pathirana P. H. S, Bandara P.C, Ratnaweera A.C, Balasooriya C.P, Bandara M. A,” Sustainable Farming Through Mechanization: Development of a Bund Making Machine”, accepted for publication at the International Conference on Sustainable Built Environments (ICSBE) scheduled for 12th-14th December, 2010, Kandy, Sri Lanka.
  • Rajapakse N. N, Ranasinghe C. J, Thennakoon T.M.S, Kumara R.S, Ratnaweera A.C, Balasooriya C.P, Bandara M.A, “ Sustainable Paddy Cultivation Through Mechanization: Development of a Power Weeder”, accepted for publication at the International Conference on Sustainable Built Environments (ICSBE) scheduled for 12th-14th December, 2010, Kandy, Sri Lanka.

 
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