1. Electrical and Electronic Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, Malaysia
2. School of Engineering, RMIT University, Melbourne, Victoria, Australia
3. State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, Zhejiang, China
4. Quaid-e-Awam University of Engineering Science and Technology, Nawabshah, Pakistan