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Título : Multilayer-Based HMM Training to Support Bearing Fault Diagnosis
Autor : Fernández, Jorge
Álvarez, Andrés
Quintero, H.
Echeverry, J.
Orozco, Álvaro
Fecha de publicación : 2018
Editorial : Springer
Citación : Fernández J., Álvarez A., Quintero H., Echeverry J., Orozco Á. (2018) Multilayer-Based HMM Training to Support Bearing Fault Diagnosis. In: Hernández Heredia Y., Milián Núñez V., Ruiz Shulcloper J. (eds) Progress in Artificial Intelligence and Pattern Recognition. IWAIPR 2018. Lecture Notes in Computer Science, vol 11047. Springer, Cham. https://doi.org/10.1007/978-3-030-01132-1_5
Resumen : The bearings are among the most critical components in rotating machinery. For this reason, fault diagnosis in those elements is essential to avoid economic losses and human casualties. Traditionally, the automatic bearing fault diagnosis has been addressed by approaches based on Hidden Markov Models (HMM). However, the efficiency and reliability of the HMM-based diagnostic systems are still relevant topics for many researchers. In this paper, we present a modified training approach based on multilayer partition to support bearing fault diagnosis, that we called MHMM. The proposed strategy seeks to increase the system efficiency by reducing the number of HMM required to perform a proper diagnosis, making it more intelligent and suitable for this application. For concrete testing, the bearing fault databases from the Western Case Reserve University and the Politecnica Salesiana University were employed to assess the MHMM under a training and testing scheme. Attained results show that the proposed approach can effectively reduce the number of models required to perform the diagnosis while keeping high accuracy ratings when we compare the MHMM with the benchmarks. Also, the diagnosis process time is reduced as well.
URI : https://repositorio.uci.cu/jspui/handle/123456789/9486
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