An Ambient Assisted Living Framework with Automatic Self-Diagnosis

Abstract : As the population in many countries is steadily aging, allowing elderly people to stay longer at home is a growing concern. Ambient Assisted Living (AAL) proposes new techniques to help people remain autonomous, based on ambient intelligence. We present an ontology-based framework in which ontologies enable the expression of users' preferences in order to personalize the system behavior. They are also used for the discovery and interconnection of devices, the storage and retrieval of collected data and the transmission of actions. Basing everything on ontologies allows the designer to express the behavior of the system using high-level logic rules. To render AAL systems as autonomous as possible, devices that fail should be detected at runtime. For this reason, the framework offers a diagnosis service that builds a prediction model of the values detected by sensors. It is based on information discovered opportunistically at run-time and knowledge about physical laws. The framework monitors the run-time behavior of the AAL system and uses the prediction model to detect inconsistencies and hence faults. Therefore, fault detection is totally dynamic and opportunistic; there are no pre-defined control loops. This paper describes an actual implementation, with precise technological details, in order to prove the feasibility of the technical choices, and provide implementation ideas for future projects.
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Submitted on : Tuesday, June 4, 2013 - 9:08:12 AM
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Christophe Jacquet, Ahmed Mohamed, Yacine Bellik. An Ambient Assisted Living Framework with Automatic Self-Diagnosis. International Journal On Advances in Life Sciences, IARIA, 2013, 5 (1), 10p. ⟨hal-00829883⟩

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