1. Deere & Company, Dubuque, IA 52001 e-mail:
2. The G.W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332 e-mail:
3. Deere & Company, Moline, IL 61265 e-mail:
4. The G.W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Savannah, GA 31407 e-mail: