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MFPT Newsletter - September 2017

From the Chairman's Desk
Chris Nemarich
Welcome to the Fall Edition of the MFPT Newsletter.

I hope that every one of our readers in the Northern Hemisphere has had a fun and relaxing summer.  Now that autumn is here we already started on the planning for MFPT 2018, gathering paper abstracts and inviting keynote speakers and class instructors.  Before we move on to next year's meeting though, I'd like to take a moment to reflect on MFPT 2017... (more)
Fluid Analysis for Machinery Condition Monitoring  Technologies and Benefits
By Paul Howard
Machinery wear and failure continue to plague both the Defense and the Commercial sectors of our economy. The reduced readiness of our Defense equipment and the continual striving for higher productivity in a heavily automated manufacturing sector are evidence of this. Even if the repair...(more)
Data Management is Key to Successful PdM
By Preston Johnson
In the last two years, there has been significant press covering the Industrial Internet of Things (IIoT) for condition monitoring and predictive maintenance; however, much of the press overlooks the traditional techniques used in successful condition monitoring and predictive maintenance programs and how data gathered from all of the new sources must be managed to allow these proven techniques to be utilized. These techniques are... (more)
Progress in the Evaluation of Plant Machinery
By  William D. Marscher, PE

This is going to start out as a brief history article, but please bear with me.  At the end I intend to make a point, with "actionable information" in it, that may be of use to you in improving the productivity and safety of your plant if you manfacure products, and can serve as a sorely needed research goal if you are a technology developer on the behalf of plants and their OEM suppliers.  
Everyone today is talking about Industry 4.0....(more)

The Growing Potential Use of Unmanned Aerial Systems for Condition Monitoring
By Mike Lipsett, PhD
Unmanned aerial systems (UAS)s combine a drone with a sensor payload and analytics to deliver a remote monitoring and diagnostic service. To date, UASs have been used primarily for collecting images over an area, often geo-rectified so that the images are accurately tied to a location on a digital map. Examples include agricultural crop quality, environmental monitoring of industrial facilities, and surveillance for possible encroachment or third-party activity on a site.
But there are many opportunities for a UAS ...(more)
Why we use Windows for vibration analysis and how to determine frequency resolution required for proper fault diagnosis
By Suri Ganeriwala, PhD
When you use the FFT to find the frequency content of a signal, it is inherently assumed that the data in each block is a single period of a periodically repeating waveform. The waveform corresponding to this period (each block) is then repeated in time to produce the periodic waveform. If this condition is not achieved, for example if you sample at a non-integer number of cycles such as 7.5, an issue called "spectral leakage" occurs resulting in an incorrect spectral display.  Specifically, some of the energy at a given line or bin will transfer.. (more)

I hope you enjoyed our newsletter!  We are always looking for new ideas and articles, so don't hesitate to share them with us.



Joe Sheeley
MFPT Newsletter Editor
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