IoT-based predictive maintenance for fleet management

In recent years, the Internet of Things (IoT) and big data have been hot topics. With all this data being produced, new applications such as predictive maintenance are possible. Consensus self-organized models approach (COSMO) is an example of a predictive maintenance system for a fleet of public transport buses, which attempts to diagnose faulty buses that deviate from the rest of the bus fleet. The present work proposes a novel IoT architecture for predictive maintenance and proposes a semi-supervised machine learning algorithm that attempts to improve the sensor selection performed in COSMO. With the help of the Societe de Transport de l'Outaouais, a minimally viable prototype of the architecture has been deployed and J1939 sensor data have been acquired. (C) 2019 The Authors. Published by Elsevier B.V.