Search Results for author: Ulices Santa Cruz

Found 3 papers, 0 papers with code

NNLander-VeriF: A Neural Network Formal Verification Framework for Vision-Based Autonomous Aircraft Landing

no code implementations29 Mar 2022 Ulices Santa Cruz, Yasser Shoukry

A central challenge for the safety and liveness verification of vision-based closed-loop systems is the lack of mathematical models that captures the relation between the system states (e. g., position of the aircraft) and the images processed by the vision-based NN controller.

Relation

Provably Safe Model-Based Meta Reinforcement Learning: An Abstraction-Based Approach

no code implementations3 Sep 2021 Xiaowu Sun, Wael Fatnassi, Ulices Santa Cruz, Yasser Shoukry

While conventional reinforcement learning focuses on designing agents that can perform one task, meta-learning aims, instead, to solve the problem of designing agents that can generalize to different tasks (e. g., environments, obstacles, and goals) that were not considered during the design or the training of these agents.

Meta-Learning Meta Reinforcement Learning +2

Safe-by-Repair: A Convex Optimization Approach for Repairing Unsafe Two-Level Lattice Neural Network Controllers

no code implementations6 Apr 2021 Ulices Santa Cruz, James Ferlez, Yasser Shoukry

In this paper, we consider the problem of repairing a data-trained Rectified Linear Unit (ReLU) Neural Network (NN) controller for a discrete-time, input-affine system.

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