GKFP: A New Fuzzy Clustering Method Applied to Bearings Diagnosis

Autor: Chuan Li, Luiz Ledo, Myriam Delgado, Mariela Cerrada, Rene-Vinicio Sanchez, Diego Cabrera, Jose Valente De Oliveira
Rok vydání: 2018
Předmět:
Zdroj: 2018 Prognostics and System Health Management Conference (PHM-Chongqing).
DOI: 10.1109/phm-chongqing.2018.00227
Popis: This paper proposes a new clustering method called Gustafson-Kessel with Focal Point (GKFP). The proposal aims at benefiting from the advantage of using Gustafson-Kessel clustering technique leveraged by the use of a Focal Point which enables obtaining partitions with different levels of granularity. Thus the method identifies clusters with uncorrelated or strongly correlated data while it allows the user to explore different regions of the feature space with different levels of detail. Due to the possibility of dealing with correlated data, a regularization procedure might be necessary. Therefore, the paper also briefly describes a Bayesian regularization which can be associated with GKFP. Experiments from bearing fault diagnosis show that GKFP outperforms three other clustering techniques, i.e., the popular fuzzy c-means (FCM), Gustafson-Kessel (GK), and the state of the art FCMFP, for two different bearing data sets.
Databáze: OpenAIRE