1. Computer Science and Engineering, The Pennsylvania State University, University Park, PA 16802 e-mail:
2. Industrial and Manufacturing Engineering, The Pennsylvania State University, University Park, PA 16802 e-mail:
3. Engineering Design, Industrial and Manufacturing Engineering, The Pennsylvania State University, University Park, PA 16802 e-mail:
4. Design, Construction and Planning, University of Florida, Gainesville, FL 32611 e-mail:
5. Engineering Design, Electrical Engineering, The Pennsylvania State University, University Park, PA 16802 e-mail: