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Increasing ROS reliability and safety through advanced introspection capabilities

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2014

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Gesellschaft für Informatik e.V.

Zusammenfassung

The Robot Operating System (ROS) brought together many different robotics research groups by providing a common software ecosystem. One important part of ROS is the publish-subscribe messaging infrastructure that facilitates building modular and reusable distributed robotics systems. However, the inherent complexity - flexibility, diversity and dynamics - of such a system opposes properties essential to robotics: reliability and safety. The paper details how to gain control of a ROS-based robotics system through the extension of ROS by advanced introspection capabilities. Once the introspection based on distributed gathering of metadata is in place, we are able to define a reference state for the whole ROS system. A monitoring node continuously compares the reference to the actual state. In case of a deviation the operator is alerted through a dashboard, in addition appropriate countermeasures can be initiated by the robotics system itself.

Beschreibung

Bihlmaier, Andreas; Wörn, Heinz (2014): Increasing ROS reliability and safety through advanced introspection capabilities. Informatik 2014. Bonn: Gesellschaft für Informatik e.V.. PISSN: 1617-5468. ISBN: 978-3-88579-626-8. pp. 1319-1326. Stuttgart. 22.-26. September 2014

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