1. Department of Mechanical Engineering, University of California Merced, 5200 N. Lake Road, Merced, California 95343, United States
2. AC2T research GmbH, Viktor-Kaplan-Straße 2/C, 2700 Wiener Neustadt, Austria
3. Institute for Engineering Design and Logistics Engineering, Vienna University of Technology, Getreidemarkt 9, 1060 Vienna, Austria