1. School of Electrical Engineering, Shenyang University of Technology,Shenyang,China,110870
2. School of Instrumentation Science and Opto-Electronics Engineering, Beihang University,Beijing,China,100191
3. Kyungsung University,Department of Mechatronics Engineering,Busan,Republic of Korea,48434
4. CRRC Dalian Institute,Heat-Exchange System Division,Dalian,China