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2024 | OriginalPaper | Chapter

11. Using Cell Phone Videos to Diagnose Machinery Faults

Authors : Dan Ambre, Brian Schwarz, Shawn Richardson, Mark Richardson

Published in: Dynamic Environments Testing, Volume 7

Publisher: Springer Nature Switzerland

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Abstract

Nearly everyone carries a cell phone in their pocket, including field technicians, engineers, and plant managers. Extracting vibration signals from a cell phone or tablet video offers a low-cost alternative to traditional methods for monitoring the health of plant operating equipment.
In this chapter, two case studies are presented where vibration signals are extracted from cell phone videos and used to diagnose machinery faults. It is shown how time-based or frequency-based operating deflection shapes (ODSs) of a machine or structure can be used to visualize and analyze machine faults.
In each case study, diagnosis of a real-world machine fault is presented. In the second case study, the video results are compared with accelerometer results to confirm the validity of this new non-contacting measurement method.

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Literature
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go back to reference Farnebäck, G.: Two-frame motion estimation based on polynomial expansion. In: Bigun, J., Gustavsson, T. (eds.) Image Analysis. SCIA 2003. Lecture Notes in Computer Science, vol 2749. Springer, Berlin, Heidelberg (2003) Farnebäck, G.: Two-frame motion estimation based on polynomial expansion. In: Bigun, J., Gustavsson, T. (eds.) Image Analysis. SCIA 2003. Lecture Notes in Computer Science, vol 2749. Springer, Berlin, Heidelberg (2003)
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go back to reference Schwarz, B., Richardson, S., Tyler, J., Spears, R., Richardson, M.: Post-Processing ODS Data from a Vibration Video. IMAC XXXVIII Houston, TX, February 10–13, 2020 Schwarz, B., Richardson, S., Tyler, J., Spears, R., Richardson, M.: Post-Processing ODS Data from a Vibration Video. IMAC XXXVIII Houston, TX, February 10–13, 2020
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go back to reference Richardson, M.H.: Is it a mode shape or an operating deflection shape? Sound and Vibration Magazine, March 1997 Richardson, M.H.: Is it a mode shape or an operating deflection shape? Sound and Vibration Magazine, March 1997
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go back to reference Schwarz, B, Richardson, M.H.: Measurements Required for Displaying Operating Deflection Shapes. In: Proceedings of IMAC XXII, January 26, 2004 Schwarz, B, Richardson, M.H.: Measurements Required for Displaying Operating Deflection Shapes. In: Proceedings of IMAC XXII, January 26, 2004
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go back to reference Schwarz, B., Richardson, M.H.: Introduction to Operating Deflection Shapes. CSI Reliability Week, Orlando, FL (October 1999) Schwarz, B., Richardson, M.H.: Introduction to Operating Deflection Shapes. CSI Reliability Week, Orlando, FL (October 1999)
Metadata
Title
Using Cell Phone Videos to Diagnose Machinery Faults
Authors
Dan Ambre
Brian Schwarz
Shawn Richardson
Mark Richardson
Copyright Year
2024
DOI
https://doi.org/10.1007/978-3-031-34930-0_11