Engineering Experts

D.a.a.c. Ratnaweera

Senior Lecturer
Department of Mechanical Engineering
University of Peradeniya
Sri Lanka


PhD : 2004 , Performance Optimization of Spark Ignition Engines, University of Melbourne, Australia. BSc.Eng: 1997, University of Peradeniya, Sri Lanka.

Research Interest

Machine Design; Artificial Intelligence; Optimization; Automobile Engineering; Image Processing.


  • 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

  • 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).

  • 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).

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