Prof. Guohua Qin is a faculty member at Nanchang Hangkong University, China. He holds a Ph.D. in Aeronautical and Astronautical Manufacturing Engineering from Northwestern Polytechnical University in 2005. His research interests include analysis and optimization of workpiece fixturing, mathematical analysis and deformation control of machining process, prediction and inverse of residual stress in aeronautical monolithic components, and fault diagnosis and health management.