1. Uva Wellassa University of Sri Lanka,Department of Science and Technology,Badulla,Sri Lanka
2. Kotelawala Defense University,Department of Electrical, Electronic and Telecommunication Engineering,Ratmalane,Sri Lanka
3. University of Greenwich,The Wolfson Centre for Bulk Solids Handling Technology,Chatham,UK
4. Mississippi State University,Department of Agricultural and Biological Engineering,Mississippi State,USA