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math.OC2025
Numerical estimation of the lock-in domain of a DC/AC inverter
Anton Ponomarev, Lutz Gröll, Veit Hagenmeyer
We estimate the lock-in domain of the origin of a current control system which is used in common DC/AC inverter designs. The system is a cascade connection of a 4-dimensional linea…
math.OC2025
Stability of two-dimensional SISO LTI system with bounded feedback gain that has bounded derivative
Anton Ponomarev, Lutz Gröll
We consider a two-dimensional SISO LTI system closed by uncertain linear feedback. The feedback gain is time-varying, bounded, and has a bounded derivative (both bounds are known).…