Yan Ran is currently an Associate Professor and a Doctoral Supervisor at Chongqing University,a Fixed Researcher at the State Key Laboratory of Mechanical Transmission for AdvancedEquipment, Chongqing University, a Committee Member of the Chongqing Science andTechnology Association and a Vice President of Chongqing Engineering Graphics Society. Herresearch interests include CNC machine tools reliability technology and electromechanicalproduct quality engineering. She has hosted and joined in almost 30 projects, published morethan 100 academic papers, 22 invention patents, and 6 copyrights of computer software.