1. Higher Institutions’ Center of Excellence (HICoE), University of Malaya Power Energy Dedicated Advanced Center (UMPEDAC), Level 4, Wisma R & D, University of Malaya, Kuala Lumpur, Malaysia
2. Department of System Design Engineering, Faculty of Science and Technology, Keio University, Kohoku-ku, Yokohama, Japan
3. Department of Computer System and Technology, Faculty of Computer Science and Information Technology, University of Malaya, Lembah Pantai, Kuala Lumpur, Malaysia