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Robust Behavior Cloning Via Global Lipschitz Regularization

Created by
  • Haebom

Author

Shili Wu, Yizhao Jin, Puhua Niu, Aniruddha Datta, Sean B. Andersson

Outline

This paper presents a method to improve the robustness of the Behavior Cloning (BC) technique. While BC is an effective imitation learning technique that trains policies using only expert state-action pair data, it is susceptible to measurement errors and adversarial interference during deployment. These errors can lead agents to suboptimal actions. This study demonstrates that using global Lipschitz regularization improves the robustness of the learned policy network, ensuring policy robustness against various bounded norm perturbations. Furthermore, we propose a method for constructing a Lipschitz neural network that guarantees policy robustness, and experimentally validate this method across various Gymnasium environments.

Takeaways, Limitations

Takeaways:
A novel method to improve the robustness of behavioral replication-based policies through global Lipschitz regularization is presented.
Leveraging Lipschitz neural networks to ensure policy robustness against measurement errors and adversarial attacks.
The effectiveness of the proposed method is proven through theoretical analysis and experimental verification.
Limitations:
The effectiveness of the proposed method may depend on the environment and dataset used.
Further research may be needed to adjust the strength of Lipschitz regularization.
Additional experiments and validation are needed for application to real safety-critical areas.
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