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Conformal Data-driven Control of Stochastic Multi-Agent Systems under Collaborative Signal Temporal Logic Specifications

6 Apr 2025arXiv:2504.04615archive 2025-07-28

Eleftherios E. Vlahakis, Lars Lindemann, Dimos V. Dimarogonas

We study the control of stochastic discrete-time linear multi-agent systems (MAS) subject to additive stochastic noise and collaborative signal temporal logic (STL) specifications to be satisfied with a desired probability. Given available disturbance datasets, we leverage conformal prediction (CP) to address the underlying chance-constrained multi-agent STL synthesis problem in a distribution-free manner. By introducing nonconformity scores as functions of prediction regions (PRs) of error trajectories, we develop an iterative PR-scaling and disturbance-feedback synthesis approach to bound training error trajectory samples. These bounds are then calibrated using a separate dataset, providing probabilistic guarantees via CP. Subsequently, we relax the underlying stochastic optimal control problem by tightening the robustness functions of collaborative tasks based on their Lipschitz constants and the computed error bounds. To address scalability, we exploit the compositional structure of the multi-agent STL formula and propose a model-predictive-control-like algorithm, where agent-level problems are solved in a distributed fashion. Lastly, we showcase the benefits of the proposed method in comparison with [1] via an illustrative example.

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Conformal PredictionModel Predictive Control

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