Dr. Haley R. Dozier Profile

Dr. Haley R. Dozier

at US Army Engineer Research and Development Ctr

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Proceedings Article | 7 June 2024 Presentation + Paper

Learning behavior of offline reinforcement learning agents

Indu Shukla, Haley Dozier, Althea Henslee

Proceedings Volume 13051, 130510N (2024) https://doi.org/10.1117/12.3014099

KEYWORDS: Machine learning, Decision making, Data modeling, Transparency, Simulations, Defense and security, Control systems, Artificial intelligence, Visualization

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Reinforcement learning (RL) agents offer significant value for military applications by effectively navigating complex, dynamic environments typical of mission engineering and operational analysis. Once trained, these agents can be employed to inform mission planners on optimal strategies, tactics, or even innovative utilization of different military platforms within a given scenario. In recent years, RL has become a major research area for automation and solving complex sequential decision-making problems. However, a notable challenge lies in the inherent black-box nature of RL models and their inability to explain their decisions and actions. This limitation serves as a major adoption barrier, especially in Defense. This paper aims to study EXplainable RL (XRL) within an operational context. XRL is a distinct branch of Explainable Artificial Intelligence (XAI) techniques that provides the necessary transparency to make AI models more transparent to address this challenge. This research is an effort to gain insight into the behavior of RL agents in an operational environment and to discuss explainability and interpretability through the lens of different roles within the decision-making pipeline.

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