@article{soares_unsupervised_2021,
	title = {Unsupervised {Machine} {Learning} {Techniques} to {Prevent} {Faults} in {Railroad} {Switch} {Machines}},
	issn = {1874-5482},
	url = {https://www.sciencedirect.com/science/article/pii/S1874548221000159},
	doi = {10.1016/j.ijcip.2021.100423},
	abstract = {Railroad switch machines are essential electromechanical equipment in a railway network, and the occurrence of failures in such equipment can cause railroad interruptions and lead to potential economic losses. Thus, early diagnosis of these failures can represent a reduction in costs and an increase in productivity. This paper aims to propose a predictive model based on computational intelligence techniques, to solve this problem. The applied methodology includes feature extraction and selection procedures based on hypothesis tests and unsupervised machine learning models. The proposed model was tested in a database made available by a Brazilian railway company and proved to be efficient once it has considered critical operations conducted in the vicinity of the ones classified as faults.},
	language = {en},
	urldate = {2021-02-15},
	journal = {International Journal of Critical Infrastructure Protection},
	author = {Soares, Nielson and Aguiar, Eduardo Pestana de and Souza, Amanda Campos and Goliatt, Leonardo},
	month = feb,
	year = {2021},
	keywords = {Computational Intelligence, Failure Prediction, Machine Learning, Railroad switch},
	pages = {100423},
}

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