1. Department of Electrical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
2. Robotics Research Laboratory, Center of Excellence in Experimental Solid Mechanics and Dynamics, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
3. School of Automotive Engineering, Iran University of Science and Technology, Tehran, Iran
4. Department of Electrical Engineering, Mazandaran University of Science and Technology, Babol, Iran
5. Department of Electrical Engineering and Automation, Aalto University, Espoo, Finland