Search Results for author: Rebecca Russell

Found 8 papers, 1 papers with code

Surrogate Neural Networks for Efficient Simulation-based Trajectory Planning Optimization

no code implementations30 Mar 2023 Evelyn Ruff, Rebecca Russell, Matthew Stoeckle, Piero Miotto, Jonathan P. How

This paper presents a novel methodology that uses surrogate models in the form of neural networks to reduce the computation time of simulation-based optimization of a reference trajectory.

Trajectory Planning

Learning to Forecast Aleatoric and Epistemic Uncertainties over Long Horizon Trajectories

no code implementations17 Feb 2023 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

Giving autonomous agents the ability to forecast their own outcomes and uncertainty will allow them to communicate their competencies and be used more safely.

reinforcement-learning Reinforcement Learning (RL)

Symmetry Detection in Trajectory Data for More Meaningful Reinforcement Learning Representations

no code implementations29 Nov 2022 Marissa D'Alonzo, Rebecca Russell

Knowledge of the symmetries of reinforcement learning (RL) systems can be used to create compressed and semantically meaningful representations of a low-level state space.

reinforcement-learning Reinforcement Learning (RL) +1

Learning and Understanding a Disentangled Feature Representation for Hidden Parameters in Reinforcement Learning

no code implementations29 Nov 2022 Christopher Reale, Rebecca Russell

We present an unsupervised method to map RL trajectories into a feature space where distance represents the relative difference in system behavior due to hidden parameters.

Metric Learning reinforcement-learning +1

Uncertainty Quantification for Competency Assessment of Autonomous Agents

no code implementations21 Jun 2022 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

For safe and reliable deployment in the real world, autonomous agents must elicit appropriate levels of trust from human users.

Uncertainty Quantification

Competency Assessment for Autonomous Agents using Deep Generative Models

no code implementations23 Mar 2022 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

For autonomous agents to act as trustworthy partners to human users, they must be able to reliably communicate their competency for the tasks they are asked to perform.

Explaining Conditions for Reinforcement Learning Behaviors from Real and Imagined Data

no code implementations17 Nov 2020 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

The deployment of reinforcement learning (RL) in the real world comes with challenges in calibrating user trust and expectations.

reinforcement-learning Reinforcement Learning (RL)

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