1. Department of Electrical Engineering and Information Technology, Measurement and Sensor Technology Group, Technische Universität Darmstadt, Darmstadt, Germany
2. Department of Mechanical Engineering, Institute of Production Management, Technology and Machine Tools, Technische Universität Darmstadt, Darmstadt, Germany
3. Department of Mechanical, Maritime and Materials Engineering, Delft Center for Systems and Control, Delft University of Technology, Delft, AA, The Netherlands