1. School of Engineering and Technology, Sunway University,Dept. of Computing and Information Systems,Bandar Sunway,Malaysia
2. School of Engineering and Technology Sunway University,Dept. of Engineering,Bandar Sunway,Malaysia
3. DEVCOM Army Research Laboratory Army Research Directorate,MD,21005
4. University of Cincinnati,Department of Aerospace Engineering,Cincinnati,Ohio,45221-0070
5. Engineering University of Maryland,Department of Aerospace,College Park,Maryland,USA,20742