1. Shahid Rajaee Teacher Training University,Department of Electrical Engineering,Tehran,Iran
2. Universidad de Talca,Department of Electrical Engineering,Curico,Chile
3. Shandong Unicersity,School of Electrical Engineering,Jinan,China
4. Manufacturing Chinese Academy of Sciences,Quanzhou Institute of Equipment,Quanzhou,China
5. Universidad Andres Bello,Dept. of Engineering,Santiago,Chile