Distributed Controllers for Norm Enforcement

This paper focuses on computational mechanisms that control the behavior of autonomous systems at runtime without necessarily restricting their autonomy. We build on existing approaches from runtime verification, control automata, and norm-based systems, and define norm-based controllers that enforce norms by modifying system behavior at runtime to make it norm compliant. For many applications, an autonomous system should comply with a set of norms. We extend our approach to a distributed setting, where a set of norm-based controllers jointly modify the runtime behavior of an autonomous system. The norms that a set of norm-based controllers jointly enforce are investigated and characterized in terms of the norms that are enforced by individual norm-based controllers. We show that a set of norm-based controllers is able to modify the runtime behavior of an autonomous system to make it compliant with all norms that the individual norm-based controllers aim at enforcing.

Authors

• Bas Testerink
• Mehdi Dastani
• Nils Bulling

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