1. Department of Mechanical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, Adama P.O. Box 1888, Ethiopia
2. Division of Automation and Logistics, Department of Energy and Technology, Swedish University of Agricultural Science, P.O. Box 7032, 750 07 Uppsala, Sweden
3. Automotive Engineering Program, Department of Mechanical and Industrial Engineering, Bahir Dar Institute of Technology, Bahir Dar P.O. Box 26, Ethiopia
4. Department of Mechanical Engineering, College of Engineering, Ethiopian Defence University, Bishoftu P.O. Box 1041, Ethiopia