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Fansheng Sun

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Book Open access Aug 2026

Orchestrating Reasoning and Reaction: An Asynchronous Hierarchical Framework for LLM-driven Traffic Signal Control

To bridge the gap between reasoning depth and real-time constraints, Astra incorporates an asynchronous synergetic protocol featuring strategic locking for stability and proactive feedback for adaptive re-planning, offering superior efficiency, robustness, and generalization across diverse urban scenarios.

Fansheng Sun, Jiyu Wang, Zhidan Liu · 0 citations