Search Results for author: Paula Gradu

Found 9 papers, 2 papers with code

Projection-free Adaptive Regret with Membership Oracles

no code implementations22 Nov 2022 Zhou Lu, Nataly Brukhim, Paula Gradu, Elad Hazan

The most common approach is based on the Frank-Wolfe method, that uses linear optimization computation in lieu of projections.

Valid Inference After Causal Discovery

no code implementations11 Aug 2022 Paula Gradu, Tijana Zrnic, Yixin Wang, Michael I. Jordan

Causal discovery and causal effect estimation are two fundamental tasks in causal inference.

Causal Discovery Causal Inference +1

Lyapunov Density Models: Constraining Distribution Shift in Learning-Based Control

no code implementations21 Jun 2022 Katie Kang, Paula Gradu, Jason Choi, Michael Janner, Claire Tomlin, Sergey Levine

Learned models and policies can generalize effectively when evaluated within the distribution of the training data, but can produce unpredictable and erroneous outputs on out-of-distribution inputs.

Density Estimation

Online Control of Unknown Time-Varying Dynamical Systems

no code implementations NeurIPS 2021 Edgar Minasyan, Paula Gradu, Max Simchowitz, Elad Hazan

On the positive side, we give an efficient algorithm that attains a sublinear regret bound against the class of Disturbance Response policies up to the aforementioned system variability term.

Deluca -- A Differentiable Control Library: Environments, Methods, and Benchmarking

1 code implementation19 Feb 2021 Paula Gradu, John Hallman, Daniel Suo, Alex Yu, Naman Agarwal, Udaya Ghai, Karan Singh, Cyril Zhang, Anirudha Majumdar, Elad Hazan

We present an open-source library of natively differentiable physics and robotics environments, accompanied by gradient-based control methods and a benchmark-ing suite.

Benchmarking OpenAI Gym

Machine Learning for Mechanical Ventilation Control

2 code implementations12 Feb 2021 Daniel Suo, Naman Agarwal, Wenhan Xia, Xinyi Chen, Udaya Ghai, Alexander Yu, Paula Gradu, Karan Singh, Cyril Zhang, Edgar Minasyan, Julienne LaChance, Tom Zajdel, Manuel Schottdorf, Daniel Cohen, Elad Hazan

We consider the problem of controlling an invasive mechanical ventilator for pressure-controlled ventilation: a controller must let air in and out of a sedated patient's lungs according to a trajectory of airway pressures specified by a clinician.

BIG-bench Machine Learning

Non-Stochastic Control with Bandit Feedback

no code implementations NeurIPS 2020 Paula Gradu, John Hallman, Elad Hazan

We study the problem of controlling a linear dynamical system with adversarial perturbations where the only feedback available to the controller is the scalar loss, and the loss function itself is unknown.

Adaptive Regret for Control of Time-Varying Dynamics

no code implementations8 Jul 2020 Paula Gradu, Elad Hazan, Edgar Minasyan

Our main contribution is a novel efficient meta-algorithm: it converts a controller with sublinear regret bounds into one with sublinear {\it adaptive regret} bounds in the setting of time-varying linear dynamical systems.

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