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Verification of Visibility-Based Properties on Multiple Moving Robots

Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10454)

Abstract

In a multi-robot system, a number of autonomous robots sense, communicate, and decide to move within a given domain to achieve a common goal. To prove such a system satisfies certain properties, one must either provide an analytical proof, or use an automated verification method. To enable the second approach, we propose a method to automatically generate a discrete state space of a given robot system. This allows using existing model checking tools and algorithms. We construct the state space of a number of robots, each arbitrarily moving along a certain path within a bounded polygonal area. This state space is then used to verify visibility properties (e.g., if the communication graph of the robots is connected) by means of model-checking tools. Using our method, there is no need to analytically prove that the properties are preserved with every change in the motion strategy of the robots. We have provided a theoretical upper bound on the complexity of the state space, and also implemented a tool to automatically generate the state space and verify some properties to demonstrate the applicability of our method in various environments.

Keywords

Formal methods for robotics Distributed robot systems Verification 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.School of Electrical and Computer EngineeringUniversity of TehranTehranIran

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