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Guess and then Check: Controller Synthesis for Safe and Secure Cyber-Physical Systems

Fulltext:


Authors:

Rong Gu, Zahra Moezkarimi, Marjan Sirjani

Research groups:

Formal Modelling and Analysis of Embedded Systems
Cyber-Physical Systems Analysis

Publication Type:

Conference/Workshop Paper

Venue:

44th International Conference on Formal Techniques for Distributed Objects, Components, and Systems

Publisher:

Springer

Abstract

We propose a novel approach for synthesizing safe and secure controllers of cyber-physical systems, such as robots. Our approach innovatively separates the synthesis process into three phases, in which we alternatively perform exhaustive and selective exploration of the system's state space. In this way, we combine the strengths of exhaustive-search-based methods and obtain the power of learning-based methods to mitigate the state-space-explosion problem while keeping our method sound and complete. We implement the synthesis algorithms in Rebeca (Reactive Objects Language) platform, which provides modelling, verification, and state-space visualization. We evaluate the new approach in an experiment, demonstrating the reduced number of explored states.

Bibtex

@inproceedings{Gu6877,
author = {Rong Gu and Zahra Moezkarimi and Marjan Sirjani},
title = {Guess and then Check: Controller Synthesis for Safe and Secure Cyber-Physical Systems},
month = {July},
year = {2024},
booktitle = {44th International Conference on Formal Techniques for Distributed Objects, Components, and Systems},
publisher = {Springer},
url = {http://www.es.mdu.se/publications/6877-}
}