Prof. Yonggang Xu currently serves as a professor at the College of Mechanical & Energy Engineering, Beijing University of Technology. He received his B.S. and Ph.D. in mechanical engineering and automation from Xi’an Jiaotong University, Xi’an, China, in 1998 and 2003, respectively. From 2004 to 2006, he worked with the Post-Doctoral Research Station at Tianjin University, Tianjin, China. Since 2006, he has been working at Beijing University of Technology. Prof. Yonggang Xu's research interests include condition monitoring and fault diagnosis of electromechanical equipment and modern signal processing.