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A novel scheme for output definition in feedback passivation of nonlinear systems |
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| Authors: | Fatemeh Jahangiri Heidar Ali Talebi Mohammad Bagher Menhaj Christian Ebenbauer |
| Affiliation: | 1. Faculty of Electrical Engineering, Shahid Beheshti University, A.C. Tehran, Iran;2. Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iranjahangiri_ftm@aut.ac.ir;4. Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran;5. Institute for Systems Theory and Automatic Control, University of Stuttgart, Stuttgart, Germany |
| Abstract: | In this paper, a set of conditions for defining output functions is derived such that a system can become passive by static state feedback. A key feature of the proposed set of conditions is that several output functions that satisfy these conditions can be defined without any transformation into a normal form or any need of linearisation of the system. In essence, this paper introduces a new connection between the Lyapunov stability concept and minimum phase property which is indeed a necessary condition of feedback passivity. |
| Keywords: | Feedback passivity minimum phase property Lyapunov stability output definition |