Dr. Longya Xu received his M.S. and Ph. D. from University of Wisconsin, Madison, in 1986 and 1990. From 1971 to 1978, he participated in 150kvA synchronous machine design, manufacturing and testing for mobile power station in China. From 1982 to 1984, he worked as a researcher on linear machines at the Institute of Electrical Engineering, Sinica Academia of China. After his arrival in the U. S., Dr. Xu has served as a consultant to many industrial companies, including Honeywell, Boeing, General Electric, Raytheon Company, US Wind Power, Pacific Scientific Co., Ford Motor Company, and General Motor Company for various industrial concerns. Since 1990, he has been faculty member at The Ohio State University where he is presently a professor.