1. Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin 300354, China;
2. Department of Industrial and Manufacturing Engineering, Pennsylvania State University, University Park, PA 16802 e-mail:
3. Pacific Northwest National Laboratory, Energy Materials and Manufacturing, Richland, WA 99354 e-mail:
4. Mem. ASME Department of Industrial and Manufacturing Engineering, Pennsylvania State University, University Park, PA 16802 e-mail:
5. Oak Ridge National Laboratory, Energy and Transportation Science Division, Oak Ridge, TN 37932 e-mail: