1. National and Local Joint Engineering Laboratory of Intelligent Transmission and Control Technology (Chongqing)Southwest University Chongqing China
2. College of Electronics and Information EngineeringSouthwest University Chongqing China
3. College of Electronic and Electrical EngineeringHenan Normal University Xinxiang Henan China
4. School of Automation and Information EngineeringSichuan University of Science and Engineering Zigong China