Fiber sensors for control and health monitoring system for mining machinery

Richard O. Claus; Michael F. Gunther; Jonathan A. Greene; Tuan A. Tran; Kent A. Murphy

doi:10.1117/12.173972

1 May 1994 Fiber sensors for control and health monitoring system for mining machinery

Richard O. Claus, Michael F. Gunther, Jonathan A. Greene, Tuan A. Tran, Kent A. Murphy

Proceedings Volume 2191, Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation; (1994) https://doi.org/10.1117/12.173972
Event: 1994 North American Conference on Smart Structures and Materials, 1994, Orlando, FL, United States

Abstract

This paper describes initial results of a fiber optic-based sensor during on-site testing performed by FEORC and Fiber and Sensor Technologies at Ingersol-Rand. Advantages of the fiber optic sensor are a demonstrated enhanced survivability, higher sensitivity, smaller size, electromagnetic interference immunity, and reduced risk of explosion. The conventional wire strain gages typically survive only a few minutes attached to the drill steel and drive chain, while the fiber sensors described here have survived over 400 hours and are currently still functioning properly. The tests described include the demonstration of strain energy measurements on the drive chain and drill steel, and displacement measurements of the piston within the drifter. All of the sensors tested can be used as both a laboratory evaluation and testing tools, as well as being an integral part of a proposed control and health monitoring system.

Citation Download Citation

Richard O. Claus, Michael F. Gunther, Jonathan A. Greene, Tuan A. Tran, and Kent A. Murphy "Fiber sensors for control and health monitoring system for mining machinery", Proc. SPIE 2191, Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation, (1 May 1994); https://doi.org/10.1117/12.173972

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