Citation:Walsh, M., O'Flynn, B. and Torres, J. (2019) 'Vibration Characterisation for Fault Detection and Isolation in Linear Synchronous Motor based Conveyor Systems', 2019 International Conference on Automation, Computational and Technology Management (ICACTM), London, United Kingdom, 24-26 April. pp 500-504. doi: 10.1109/ICACTM.2019.8776825
Linear synchronous motor (LSM) based transport systems are increasingly deployed in automated manufacturing environments. The aim of the study is to establish the feasibility of employing low power and low-cost vibration sensing cyber physical systems to perform near real-time fault detection and isolation for passive LSM vehicles. Empirical data capture was conducted on an LSM test-bed where vehicle velocity was varied to determine how changes in velocity would impact the vibration profile of the LSM vehicle. The recorded data was analyzed, and peak accelerations were examined for each of the velocities under study. Frequency domain analysis was conducted on the collated accelerometer data and frequencies of interest were identified. The findings are shown to concur with the manufacturer's operating specifications (0-30 Hz). A relationship between LSM vehicle speed and vibration frequency was established. The results presented provide the basis for the establishment of low-cost condition based preventative maintenance, deployed to a LSM based transport system for high volume manufacturing.
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