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Prognostics has taken center stage in condition based maintenance (CBM) where it is desired to estimate remaining useful life (RUL) of a system so that remedial measures may be taken in advance to avoid catastrophic events or unwanted downtimes. Validation of such predictions is an important but difficult proposition and a lack of appropriate evaluation methods renders prognostics meaningless. Evaluation...
Reliability and dependability challenges within the aerospace, military and civil aviation industries are driving the need for advances in health and usage monitoring technology. One promising method with the potential to complement conventional inspection and electrical test techniques for wiring is acoustic methods. In this paper modelling and experimental results for acoustic signal propagation...
Prognostics is an emerging concept in condition based maintenance (CBM) of critical systems. Along with developing the fundamentals of being able to confidently predict Remaining Useful Life (RUL), the technology calls for fielded applications as it inches towards maturation. This requires a stringent performance evaluation so that the significance of the concept can be fully exploited. Currently,...
Distributed prognostics is the next step in the evolution of prognostic methodologies. It is an important enabling technology for the emerging Condition Based Management/Prognostics Health Management paradigm. This paper provides an overview of such systems with details of the system architectures and the various possible design considerations. A distributed particle filter architecture for battery...
Health and usage monitoring of structures and active systems has received a wealth of attention in recent years. Microsystems are seen as a core technology for the realisation of these monitors as they offer the potential for multi-sensor integration with active electronics, wireless connectivity and in the future a self-powering capability. This article focuses on solutions for aircraft wiring systems...
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