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Hysteresis-Based RL: Robustifying Reinforcement Learning-based Control Policies via Hybrid Control

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Abstract

Reinforcement learning (RL) is a promising approach for deriving control policies for complex systems. As we show in two control problems, the derived policies from using the Proximal Policy Optimization (PPO) and Deep Q-Network (DQN) algorithms may lack robustness guarantees. Motivated by these issues, we propose a new hybrid algorithm, which we call Hysteresis-Based RL (HyRL), augmenting an existing RL algorithm with hysteresis switching and two stages of learning. We illustrate its properties in two examples for which PPO and DQN fail.

Original languageEnglish
Title of host publication2022 American Control Conference, ACC 2022
PublisherInstitute of Electrical and Electronics Engineers
Pages2663-2668
Number of pages6
ISBN (Electronic)9781665451963
DOIs
Publication statusPublished - 5 Sept 2022
Event2022 American Control Conference, ACC 2022 - Atlanta, United States
Duration: 8 Jun 202210 Jun 2022
https://acc2022.a2c2.org/

Conference

Conference2022 American Control Conference, ACC 2022
Abbreviated titleACC 2022
Country/TerritoryUnited States
CityAtlanta
Period8/06/2210/06/22
Internet address

Funding

*Research by R. G. Sanfelice has been partially supported by the National Science Foundation under Grant no. ECS-1710621, Grant no. CNS-1544396, and Grant no. CNS-2039054, by the Air Force Office of Scientific Research under Grant no. FA9550-19-1-0053, Grant no. FA9550-19-1-0169, and Grant no. FA9550-20-1-0238, and by the Army Research Office under Grant no. W911NF-20-1-0253. [email protected] 2Ricardo G. Sanfelice is with the Department of Electrical and Computer Engineering, University of California, Santa Cruz, CA 95064, USA; [email protected] 3Nathan van de wouw is with the Department of Mechanical Engineering, Eindhoven University of Technology, Eindhoven, 5612 AZ, Netherlands; [email protected]

FundersFunder number
National Science FoundationCNS-1544396, ECS-1710621, CNS-2039054
Air Force Office of Scientific Research (AFOSR)FA9550-19-1-0169, FA9550-19-1-0053, FA9550-20-1-0238

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