Search Results for author: Panagiotis Vlantis

Found 2 papers, 0 papers with code

Failing with Grace: Learning Neural Network Controllers that are Boundedly Unsafe

no code implementations22 Jun 2021 Panagiotis Vlantis, Leila J. Bridgeman, Michael M. Zavlanos

As a result, our method can learn a safe vector field for the closed-loop system and, at the same time, provide worst-case bounds on safety violation over the whole configuration space, defined by the overlap between the over-approximation of the forward reachable set of the closed-loop system and the set of unsafe states.

Formal Verification of Stochastic Systems with ReLU Neural Network Controllers

no code implementations8 Mar 2021 Shiqi Sun, Yan Zhang, Xusheng Luo, Panagiotis Vlantis, Miroslav Pajic, Michael M. Zavlanos

Using this abstraction, we propose a method to compute tight bounds on the safety probabilities of nodes in this graph, despite possible over-approximations of the transition probabilities between these nodes.

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