Search Results for author: Jafar Abbaszadeh Chekan

Found 5 papers, 0 papers with code

Regret-Guaranteed Safe Switching with Minimum Cost: LQR Setting with Unknown Dynamics

no code implementations5 Feb 2023 Jafar Abbaszadeh Chekan, Cedric Langbort

Externally Forced Switched (EFS) systems represent a subset of switched systems where switches occur deliberately to meet an external requirement.

Safety-Aware Learning-Based Control of Systems with Uncertainty Dependent Constraints (extended version)

no code implementations4 Oct 2022 Jafar Abbaszadeh Chekan, Cedric Langbort

The problem of safely learning and controlling a dynamical system - i. e., of stabilizing an originally (partially) unknown system while ensuring that it does not leave a prescribed 'safe set' - has recently received tremendous attention in the controls community.

Gaussian Processes

Learn and Control while Switching: with Guaranteed Stability and Sublinear Regret

no code implementations22 Jul 2022 Jafar Abbaszadeh Chekan, Cédric Langbort

Over-actuated systems often make it possible to achieve specific performances by switching between different subsets of actuators.

Joint Stabilization and Regret Minimization through Switching in Over-Actuated Systems (extended version)

no code implementations31 May 2021 Jafar Abbaszadeh Chekan, Kamyar Azizzadenesheli, Cedric Langbort

Adaptively controlling and minimizing regret in unknown dynamical systems while controlling the growth of the system state is crucial in real-world applications.

Regret Bounds for LQ Adaptive Control Under Database Attacks (Extended Version)

no code implementations1 Apr 2020 Jafar Abbaszadeh Chekan, Cedric Langbort

This paper is concerned with understanding and countering the effects of database attacks on a learning-based linear quadratic adaptive controller.

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