Papers › Data-Efficient Reinforcement Learning with Probabilistic Model Predictive Control

Data-Efficient Reinforcement Learning with Probabilistic Model Predictive Control

20 Jun 2017arXiv:1706.06491archive 2025-07-28

Sanket Kamthe, Marc Peter Deisenroth

Trial-and-error based reinforcement learning (RL) has seen rapid advancements in recent times, especially with the advent of deep neural networks. However, the majority of autonomous RL algorithms require a large number of interactions with the environment. A large number of interactions may be impractical in many real-world applications, such as robotics, and many practical systems have to obey limitations in the form of state space or control constraints. To reduce the number of system interactions while simultaneously handling constraints, we propose a model-based RL framework based on probabilistic Model Predictive Control (MPC). In particular, we propose to learn a probabilistic transition model using Gaussian Processes (GPs) to incorporate model uncertainty into long-term predictions, thereby, reducing the impact of model errors. We then use MPC to find a control sequence that minimises the expected long-term cost. We provide theoretical guarantees for first-order optimality in the GP-based transition models with deterministic approximate inference for long-term planning. We demonstrate that our approach does not only achieve state-of-the-art data efficiency, but also is a principled way for RL in constrained environments.

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SimonRennotte/Data-Efficient-Reinforcement-Learning-with-Probabilistic-Model-Predictive-Control mentioned on GitHubpytorch report

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Gaussian Processes Model Predictive Control Reinforcement Learning Reinforcement Learning (RL)Safe Reinforcement Learning reinforcement-learning

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Gaussian Process

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