Embedded sensor node deployment to monitor telescope drive system components

Stuart G. Taylor; Christopher J. Stull; James Wren; Eric Y. Raby; Charles R. Farrar

doi:10.1117/12.917499

29 March 2012 Embedded sensor node deployment to monitor telescope drive system components

Stuart G. Taylor, Christopher J. Stull, James Wren, Eric Y. Raby, Charles R. Farrar

Proceedings Volume 8343, Industrial and Commercial Applications of Smart Structures Technologies 2012; 83430C (2012) https://doi.org/10.1117/12.917499
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

This paper presents the deployment of an embedded active sensing platform for real-time condition monitoring of telescopes in the RAPid Telescopes for Optical Response (RAPTOR) observatory network. The RAPTOR network consists of several ground-based autonomous astronomical observatories primarily designed to search for astrophysical transients such as gamma-ray bursts. In order to capture astrophysical transients of interest, the telescopes must remain in peak operating condition to move swiftly from one potential transient to the next throughout the night. However, certain components of these telescopes have until recently been maintained in an ad hoc manner, often being permitted to run to failure, resulting in the inability to drive the telescope. In a recent study, a damage classifier was developed using the statistical pattern recognition paradigm of structural health monitoring (SHM) to identify the onset of damage in critical telescope drive components. In this work, a prototype embedded active sensing platform is deployed to the telescope structure in order to record data for use in detecting the onset of telescope drive component damage and alert system administrators prior to system failure.

Citation Download Citation

Stuart G. Taylor, Christopher J. Stull, James Wren, Eric Y. Raby, and Charles R. Farrar "Embedded sensor node deployment to monitor telescope drive system components", Proc. SPIE 8343, Industrial and Commercial Applications of Smart Structures Technologies 2012, 83430C (29 March 2012); https://doi.org/10.1117/12.917499

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KEYWORDS

Telescopes

Autoregressive models

Structural health monitoring

Observatories

Active remote sensing

Data modeling

Astronomy

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