“…In the 21st century, industrial robot is used extensively in many fields with the development of industrial technology, such as welding, drilling, assembly, transportation, cutting, spraying, measuring, stacking and laser processing [1][2][3][4][5][6][7][8][9][10][11][12], especially in automobile industry. Consequently, how to improve working efficiency and shorten production cycle on the premise of quality assurance is one problem that's worth concerning for the application of industrial robot.…”