1. Fuzhou Univ & Pearlelectric Co,Dept of Electrical Engineering,Fuzhou & Guangzhou,China
2. Fuzhou University,Dept. of Electrical Engineering,Fuzhou,China
3. Pearlelectric Co. Ltd,R&D Department,Guangzhou,China
4. Concordia University,Dept. of Electrical Engineering,Quebec,Canada
5. Universidad San Sebastian,Faculty of Electrical Engineering,Santiago,Chile