1. Faculty of Computing and Information Technology, Sohar University, Sohar, Oman
2. Institute for Intelligent Systems Research and Innovation, Deakin University, Geelong, VIC, Australia
3. College of Electric Engineering and Automation, Fuzhou University, Qishan Campus, Fuzhou, China
4. Mechanical Engineering Department, Lamar University, Beaumont, TX, USA
5. Swinburne University of Technology, Hawthorn, VIC, Australia