About the Author: ALI KEYHANI, PHD, is a Fellow of the IEEE and a recipient of The Ohio State University College of Engineering Research Award for 1989, 1999, and 2003. He is a Professor of Electrical and Computer Engineering and director of Mechatronics-Green Energy Systems Laboratory at The Ohio State University, Department of Electrical and Computer Engineering. MOHAMMAD N. MARWALI, PHD, is a Senior Development Scientist II at Emerson Network Power. MIN DAI, PHD, is a Project Engineer at Emerson Network Power.