1. Dept. of Mechatronics Eng., Faculty of Applied Technical Sciences, German Jordanian University, Amman 11180, Jordan
2. Faculty of Applied Sciences and Industrial Engineering, Deggendorf Institute of Technology, Deggendorf 94469, Germany
3. School of Electrical, Information and Media Eng., University of Wuppertal, Wuppertal 42119, Germany
4. Dept. of Mechanical & Maintenance Eng., Faculty of Applied Technical Sciences, German Jordanian University, Amman 11180, Jordan