Scaling Value Iteration Networks to 5000 Layers for Extreme Long-Term Planning
- URL: http://arxiv.org/abs/2406.08404v2
- Date: Sun, 06 Jul 2025 07:48:39 GMT
- Title: Scaling Value Iteration Networks to 5000 Layers for Extreme Long-Term Planning
- Authors: Yuhui Wang, Qingyuan Wu, Dylan R. Ashley, Francesco Faccio, Weida Li, Chao Huang, Jürgen Schmidhuber,
- Abstract summary: Value Iteration Network (VIN) is an end-to-end differentiable neural network architecture for planning.<n>VINs struggle to scale to long-term and large-scale planning tasks, such as navigating a 100x100 maze.<n>We introduce Dynamic Transition VIN (DT-VIN), which scales to 5000 layers and solves challenging versions of the above tasks.
- Score: 29.545549033285987
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: The Value Iteration Network (VIN) is an end-to-end differentiable neural network architecture for planning. It exhibits strong generalization to unseen domains by incorporating a differentiable planning module that operates on a latent Markov Decision Process (MDP). However, VINs struggle to scale to long-term and large-scale planning tasks, such as navigating a 100x100 maze -- a task that typically requires thousands of planning steps to solve. We observe that this deficiency is due to two issues: the representation capacity of the latent MDP and the planning module's depth. We address these by augmenting the latent MDP with a dynamic transition kernel, dramatically improving its representational capacity, and, to mitigate the vanishing gradient problem, introduce an "adaptive highway loss" that constructs skip connections to improve gradient flow. We evaluate our method on 2D/3D maze navigation environments, continuous control, and the real-world Lunar rover navigation task. We find that our new method, named Dynamic Transition VIN (DT-VIN), scales to 5000 layers and solves challenging versions of the above tasks. Altogether, we believe that DT-VIN represents a concrete step forward in performing long-term large-scale planning in complex environments.
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