Search Results for author: Ross Boczar

Found 5 papers, 3 papers with code

Learning Linear Dynamical Systems with Semi-Parametric Least Squares

1 code implementation2 Feb 2019 Max Simchowitz, Ross Boczar, Benjamin Recht

We analyze a simple prefiltered variation of the least squares estimator for the problem of estimation with biased, semi-parametric noise, an error model studied more broadly in causal statistics and active learning.

Active Learning

Minimax Lower Bounds for $\mathcal{H}_\infty$-Norm Estimation

no code implementations28 Sep 2018 Stephen Tu, Ross Boczar, Benjamin Recht

The problem of estimating the $\mathcal{H}_\infty$-norm of an LTI system from noisy input/output measurements has attracted recent attention as an alternative to parameter identification for bounding unmodeled dynamics in robust control.

Finite-Data Performance Guarantees for the Output-Feedback Control of an Unknown System

1 code implementation25 Mar 2018 Ross Boczar, Nikolai Matni, Benjamin Recht

As the systems we control become more complex, first-principle modeling becomes either impossible or intractable, motivating the use of machine learning techniques for the control of systems with continuous action spaces.

Non-Asymptotic Analysis of Robust Control from Coarse-Grained Identification

no code implementations15 Jul 2017 Stephen Tu, Ross Boczar, Andrew Packard, Benjamin Recht

We derive bounds on the number of noisy input/output samples from a stable linear time-invariant system that are sufficient to guarantee that the corresponding finite impulse response approximation is close to the true system in the $\mathcal{H}_\infty$-norm.

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