On-Line Fault Diagnosis and Failure Prognosis Using Particle Filters
Marcos Orchard
Broschiertes Buch

On-Line Fault Diagnosis and Failure Prognosis Using Particle Filters

Theoretical Framework and Case Studies

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This work introduces an on-lineparticle-filtering-based framework for faultdiagnosis and failure prognosis in nonlinear,non-Gaussian systems. This framework considers hybridstate-space models of the system under analysis (withunknown time-varying parameters) andparticle-filtering (PF) algorithms to estimate thecurrent probability density function (pdf) of thestate, enabling on-line computation of theconditional fault probability (fault diagnosismodule) and the pdf of the remaining useful life(RUL) in the case of a declared fault condition(failure prognosis module). The proposed methodallows to...