Tiny Recursive Control: Iterative Reasoning for Efficient Optimal Control

• URL: http://arxiv.org/abs/2512.16824v1
• Date: Thu, 18 Dec 2025 18:05:05 GMT
• Title: Tiny Recursive Control: Iterative Reasoning for Efficient Optimal Control
• Authors: Amit Jain, Richard Linares,
• Abstract summary: We present Tiny Recursive Control (TRC), a neural architecture based on a counterintuitive iteration principle.<n>TRC applies compact networks (approximately 1.5M parameters) repeatedly through a two-level hierarchical latent structure.<n>We show TRC achieves near-optimal control costs while requiring only millisecond-scale inference on GPU and under 10MB memory.
• Score: 2.258690092379457
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Neural network controllers increasingly demand millions of parameters, and language model approaches push into the billions. For embedded aerospace systems with strict power and latency constraints, this scaling is prohibitive. We present Tiny Recursive Control (TRC), a neural architecture based on a counterintuitive principle: capacity can emerge from iteration depth rather than parameter count. TRC applies compact networks (approximately 1.5M parameters) repeatedly through a two-level hierarchical latent structure, refining control sequences by simulating trajectories and correcting based on tracking error. Because the same weights process every refinement step, adding iterations increases computation without increasing memory. We evaluate TRC on nonlinear control problems including oscillator stabilization and powered descent with fuel constraints. Across these domains, TRC achieves near-optimal control costs while requiring only millisecond-scale inference on GPU and under 10~MB memory, two orders of magnitude smaller than language model baselines. These results demonstrate that recursive reasoning, previously confined to discrete tasks, transfers effectively to continuous control synthesis.

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