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Workshop: Goal-Conditioned Reinforcement Learning

Numerical Goal-based Transformers for Practical Conditions

Seonghyun Kim · Samyeul Noh · Ingook Jang

Keywords: [ numerical goal-conditioned transformer ] [ conservative reward estimation ] [ goal-conditioned reinforcement learning ]


Goal-conditioned reinforcement learning (GCRL) studies aim to apply trained agents in realistic environments. In particular, offline reinforcement learning is being studied as a way to reduce the cost of online interactions in GCRL. One such method is Decision Transformer (DT), which utilizes a numerical goal called "return-to-go" for superior performance. Since DT assumes an idealized environment, such as perfect knowledge of rewards, it is necessary to study an improved approach for real-world applications. In this work, we present various attempts and results for numerical goal-based transformers to operate under practical conditions.

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