Yang Shi, Professor, Ph D is with the Department of Mechanical Engineering, Institute for Integrated Energy Systems, University of Victoria, Victoria, Canada. Mingxi Liu, Ph D from the Department of Mechanical Engineering, Institute for Integrated Energy Systems, University of Victoria, Victoria, Canada; is an NSERC Postdoctoral Fellow with the Energy and Resources Group, University of California, Berkeley. Fang Fang, Professor, Ph D is with the School of Control and Computer Engineering, North China Electric Power University, Beijing, China.