safety

Tolerant Barrier Certificates for Stochastic Systems
We study stochastic verification under tolerant specifications, where unsafe behavior is allowed as long as the total unsafe exposure …
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Tolerant Barrier Certificates for Stochastic Systems
Encoding Inductive Invariants as Barrier Certificates
We present the invariant barrier-certificate condition that witnesses unbounded-time safety of differential dynamical systems. The …
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Encoding Inductive Invariants as Barrier Certificates
Synthesizing Invariant Barrier Certificates via Difference-of-Convex Programming
A barrier certificate often serves as an inductive invariant that isolates an unsafe region from the reachable set of states, and hence …
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Synthesizing Invariant Barrier Certificates via Difference-of-Convex Programming
Unbounded-Time Safety Verification of Stochastic Differential Dynamics
In this paper, we propose a method for bounding the probability that a stochastic differential equation (SDE) system violates a safety …
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Unbounded-Time Safety Verification of Stochastic Differential Dynamics
Indecision and Delays are the Parents of Failure
The possible interactions between a controller and its environment can naturally be modelled as the arena of a two-player game, and …
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Indecision and Delays are the Parents of Failure
Taming Delays in Dynamical Systems
Delayed coupling between state variables occurs regularly in technical dynamical systems, especially embedded control. As it …
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Taming Delays in Dynamical Systems
Verification and Synthesis of Time-Delayed Dynamical Systems
Conventional embedded systems have over the past two decades vividly evolved into an open, interconnected form that integrates …
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Verification and Synthesis of Time-Delayed Dynamical Systems
In Memory of Oded Maler: Automatic Reachability Analysis of Hybrid-State Automata
Hybrid automata are an elegant formal model seamlessly integrating differential equations representing continuous dynamics with …
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In Memory of Oded Maler: Automatic Reachability Analysis of Hybrid-State Automata
What's to Come is Still Unsure
The possible interactions between a controller and its environment can naturally be modelled as the arena of a two-player game, and …
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What's to Come is Still Unsure
Safe Over- and Under-Approximation of Reachable Sets for Delay Differential Equations
Delays in feedback control loop, as induced by networked distributed control schemes, may have detrimental effects on control …
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Safe Over- and Under-Approximation of Reachable Sets for Delay Differential Equations