Semantic knowledge-based representation for improving situation awareness in service oriented agents of autonomous underwater vehicles

Pedro Patrón, Emilio Miguelanez, Joel Cartwright, Yvan R. Petillot

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16 Citations (Scopus)

Abstract

This paper proposes a semantic world model framework for hierarchical distributed representation of knowledge in autonomous underwater systems. This framework aims to provide a more capable and holistic system, involving semantic interoperability among all involved information sources. This will enhance interoperability, independence of operation, and situation awareness of the embedded service-oriented agents for autonomous platforms. The results obtained specifically impact on mission flexibility, robustness and autonomy. The presented framework makes use of the idea that heterogeneous real-world data of very different types must be processed by (and run through) several different layers, to be finally available in a suited format and at the right place to be accessible by high-level decision making agents. In this sense, the presented approach shows how to abstract away from the raw real-world data step by step by means of semantic technologies. The paper concludes by demonstrating the benefits of the framework in a real scenario. A hardware fault is simulated in a REMUS 100 AUV while performing a mission. This triggers a knowledge exchange between the incipient fault diagnosis agent and the adaptive mission planner embedded agent. By using the proposed framework, both services can interchange information while remaining domain independent during their interaction with the platform. The results of this paper are readily applicable to land and air robotics. © 2008 IEEE.

Original languageEnglish
Title of host publicationOCEANS 2008
DOIs
Publication statusPublished - 2008
EventOCEANS 2008 - Quebec City, QC, Canada
Duration: 15 Sep 200818 Sep 2008

Conference

ConferenceOCEANS 2008
CountryCanada
CityQuebec City, QC
Period15/09/0818/09/08

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