A real-time predictive maintenance system for machine systems

Bansal, Dheeraj; Evans, David J. and Jones, Barrie (2004). A real-time predictive maintenance system for machine systems. International Journal of Machine Tools and Manufacture, 44 (7-8), pp. 759-766.

Abstract

This paper describes a novel real-time predictive maintenance system for machine systems based upon a neural network approach. The ability of a neural network to learn non-linear mapping functions has been used for the prediction of machine system parameters using the motion current signature. This approach avoids the need for costly measurement of system parameters. Unlike many neural network based condition monitoring systems, this approach is validated in an off-line proof of concept procedure, using data from an experimental test rig providing conditions typical of those used on production machines. The experiment aims to classify five distinct motor loads using the motion current signature, irrespective of changing tuning parameters. Comparison of the predicted and actual loads shows good agreement. Generation of data covering all anticipated machine states for neural network training, using a production machine, is impractical, and the use of simulated data, generated by an experimentally validated simulation model, is effective. This paper demonstrates the underlying structure of the developed simulation model.

Publication DOI: https://doi.org/10.1016/j.ijmachtools.2004.02.004
Divisions: Engineering & Applied Sciences > Computer science
Uncontrolled Keywords: machine parameter,motion current signature,neural network,predictive maintenance,Industrial and Manufacturing Engineering,Mechanical Engineering
Published Date: 2004-06

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