Second-order trajectory sensitivity analysis of hybrid systems

S Geng, IA Hiskens - … Transactions on Circuits and Systems I …, 2019 - ieeexplore.ieee.org
IEEE Transactions on Circuits and Systems I: Regular Papers, 2019ieeexplore.ieee.org
Hybrid dynamical systems are characterized by intrinsic coupling between continuous
dynamics and discrete events. This paper has adopted a differential-algebraic impulsive
switched (DAIS) model to capture such dynamic behavior. For such systems, trajectory
sensitivity analysis provides a valuable approach for describing perturbations of system
trajectories resulting from small variations in initial conditions and/or uncertain parameters.
The first-order sensitivities have been fully described for hybrid system and used in a variety …
Hybrid dynamical systems are characterized by intrinsic coupling between continuous dynamics and discrete events. This paper has adopted a differential-algebraic impulsive switched (DAIS) model to capture such dynamic behavior. For such systems, trajectory sensitivity analysis provides a valuable approach for describing perturbations of system trajectories resulting from small variations in initial conditions and/or uncertain parameters. The first-order sensitivities have been fully described for hybrid system and used in a variety of applications. This paper formulates the differential-algebraic equations (DAE) that govern second-order sensitivities over regions where dynamics are smooth, i.e., away from events. It also establishes the jump conditions that describe the step change in second-order sensitivities at discrete (switching and state reset) events. These results together fully characterize second-order sensitivities for general hybrid dynamical system.
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