Research areas: Committed to the automation and intelligence of robot welding technology; seam tracking; Arc sensor; Capacitive sensor; and Vision sensor. Education: Xiangtan University, School of Mechanical Engineering, Xiangtan, China Doctor degree, Materials Science and Engineering 2009.9-2012.06. Employment: School of Mechanical Engineering, Xiangtan University, Xiangtan, China Professor, Materials Science and Engineering 1987.06-Present.