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An operator-theoretic viewpoint to non-smooth dynamical systems: Koopman analysis of a hybrid pendulum

We apply an operator-theoretic viewpoint to a class of non-smooth dynamical systems that are exposed to event-triggered state resets. The considered benchmark problem is that of a pendulum which receives a downward kick under certain fixed angles. The pendulum is modeled as a hybrid automaton and is analyzed from both a geometric perspective and the formalism carried out by Koopman operator theory. A connection is drawn between these two interpretations of a dynamical system by means of establishing a link between the spectral properties of the Koopman operator and the geometric properties in the state-space.

preprint2016arXivOpen access
Nithin GovindarajanHassan ArbabiLouis van BlargianTimothy MatchenEmma TeglingIgor Mezić
math.DS
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Nithin GovindarajanHassan ArbabiLouis van BlargianTimothy MatchenEmma TeglingIgor Mezić

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