Reciprocating compressor valve condition monitoring using image-based pattern recognition

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John N. Trout Jason R. Kolodziej

Abstract

This work presents the development of a vibration-based condition monitoring method for early detection and classification of valve wear within industrial reciprocating compressors through the combined use of time-frequency analysis with image-based pattern recognition techniques. A common valve related fault condition is valve seat wear that is caused by repeated impact and accentuated by chatter. Seeded faults consistent with valve seat wear are introduced on the crankside discharge valves of a Dresser-Rand ESH-1 industrial compressor. A variety of operational data including vibration, cylinder pressure, and crank shaft position are collected and processed using a time-frequency domain approach. The resulting diagrams are processed as images with features extracted using 1st and 2nd order image statistics. A Bayesian classification strategy is employed with accuracy rates greater than 90% achieved using two and three-dimensional features spaces.

How to Cite

Trout, J. N., & Kolodziej, J. R. (2016). Reciprocating compressor valve condition monitoring using image-based pattern recognition. Annual Conference of the PHM Society, 8(1). https://doi.org/10.36001/phmconf.2016.v8i1.2500
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Keywords

condition based maintenance (CBM), data-driven, PHM industrial applications

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Section
Technical Papers