Search Results for author: Fernando Castañeda

Found 6 papers, 0 papers with code

In-Distribution Barrier Functions: Self-Supervised Policy Filters that Avoid Out-of-Distribution States

no code implementations27 Jan 2023 Fernando Castañeda, Haruki Nishimura, Rowan Mcallister, Koushil Sreenath, Adrien Gaidon

Learning-based control approaches have shown great promise in performing complex tasks directly from high-dimensional perception data for real robotic systems.

Recursively Feasible Probabilistic Safe Online Learning with Control Barrier Functions

no code implementations23 Aug 2022 Fernando Castañeda, Jason J. Choi, Wonsuhk Jung, Bike Zhang, Claire J. Tomlin, Koushil Sreenath

This feasibility analysis results in a set of richness conditions that the available information about the system should satisfy to guarantee that a safe control action can be found at all times.

Out-of-Distribution Detection

Pointwise Feasibility of Gaussian Process-based Safety-Critical Control under Model Uncertainty

no code implementations13 Jun 2021 Fernando Castañeda, Jason J. Choi, Bike Zhang, Claire J. Tomlin, Koushil Sreenath

However, since these constraints rely on a model of the system, when this model is inaccurate the guarantees of safety and stability can be easily lost.

Gaussian Process-based Min-norm Stabilizing Controller for Control-Affine Systems with Uncertain Input Effects and Dynamics

no code implementations14 Nov 2020 Fernando Castañeda, Jason J. Choi, Bike Zhang, Claire J. Tomlin, Koushil Sreenath

This paper presents a method to design a min-norm Control Lyapunov Function (CLF)-based stabilizing controller for a control-affine system with uncertain dynamics using Gaussian Process (GP) regression.

regression

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