Rotating Machinery Test Rig
A long-standing customer brought along his power station turbine test rig so that we could give the P8000 hardware and DATS software a good workout. Here's a video of the…
Sound, Vibration & Acoustics Digest #1
This is the first in a (hopefully) regular series of posts containing interesting & unusual sound & vibration stories that we have discovered around the web. We hope you enjoy…
Three Methods For Analyzing Vibration In Rotating Components
In this post we will first look at how to process data from rotating machinery. Then we will focus on shaft or gear train twist. Let's look at 3 different…
Beyond The Sound Level Meter
Have you reached the limits of your Sound Level Meter? Do you need to progress to the next level? Prosig have a range of systems that can increase your noise…
Prosig Seminar in Hiroshima, Japan on the 3rd & 4th December, 2013
Prosig and their partners, SV Japan, will be holding a two-day training seminar for current and new customers in Hiroshima on Tuesday 3rd and Wednesday 4th December 2013. Subjects covered…
2013 Prosig / Portsmouth University Prize Awarded
The 2013 Annual Prosig Prize for Engineering at Portsmouth University has been awarded to Peter Thompson for his project “Vibration Analysis of Aircraft Structures (Airframe)”. Peter completed his study at the…
A Method Of Diagnosing Cyclic Events In An Internal Combustion Engine
A method to identify subjectively objectionable disturbances (e.g. piston slap, valve tick,… etc) in internal combustion engines
Prosig Customer Seminar in China
Prosig's Partner in China, Suzhou SV Technology Co Ltd, will be hosting a Prosig Chinese Customer Meeting Day on 25th October 2013. The day will be held at Suzhou SV…
NCCM, Bangalore – October, 2013
On the 4th & 5th October 2013 Prosig, along with India partners Mari Aerotech, attended the National Conference on Condition Monitoring in Bangalore, India. Here are some photos of the conference and exhibition. (more…)
Read our “Sound & Vibration Engineering” magazine on Flipboard
Are you a Flipboard user? "What is Flipboard?" some of you will ask. Flipboard is an up-and-coming mobile app for pulling all of your news sources and social media together…
Is That Tone Significant? – The Prominence Ratio
The Prominence Ratio is a technique designed to see if there are any aurally prominent tones in a signal. Primarily, it is applicable where we have a noise source with…
Prosig Will be Attending the National Conference on Condition Monitoring (NCCM) 2013 in Bangalore
A two day National conference NCCM2013 is being jointly organized by GTRE, Bangalore and Condition Monitoring Society of India-CMSI on 4-5 October 2013 at JRD Tata Seminar Complex, Indian Institute of Science, Bangalore. (more…)
Generating speed v time information from noise & vibration signals
Picture the scenario; you have captured some noise & vibration data from a rotating machine. Typically, this might be noise in a vehicle cabin, but could have been anything from…
Understanding Phase Measurements
When performing frequency analysis of vibration data for any application the resultant spectrum has both amplitude and phase components, therefore the phase component represents half of the information available and…
The 2012 Prosig ISVR Prize Presented At University of Southampton Graduation Ceremony
Last year's Prosig ISVR Student Prize as won by Paul Clark for his project titled "A Mobility Model to Predict the Isolator Effectiveness of an Automotive Compressor". Paul graduated this…
How Do I Convert Between Acceleration, Velocity & Displacement?
One of the most searched for and read topics on the Noise & Vibration Measurement Blog is that of converting between measurements of acceleration, velocity and displacement. To help anyone…
What Is Resonance? (Part 3)
In the previous two articles (What Is Resonance? (Part 1) & What Is Resonance (Part 2)) in this series we have looked at how we can identify a resonant frequency.…
The ISVR is 50 Years Old
The Institute of Sound & Vibration Research (ISVR) at Southampton University was formed in 1963 and is 50 years old this year. Prosig was founded by staff from the Institute…
A Guide To Digital Filtering
Understanding filters is actually simpler than it may first seem. Creating a filter is another story; it’s like being able to drive a car without having to know the intricate…
Come and see Prosig at SAE 2013 Noise and Vibration Conference and Exhibition
If you are visiting the SAE 2013 Noise and Vibration Conference and Exhibition in Grand Rapids (May 20th - 23rd) then please come along and see us at booth 409.…
A Different Way Of Averaging – Time Synchronous Averaging
Assuming one wants a frequency spectrum from an acquired time measurement, it is generally accepted that averaging of a signal in the time domain is not very useful due to…
10 More Cool Engineering Videos
Our previous collection of cool engineering videos in 2010 proved so popular that we just had to make another list. So here we present another 10 really cool engineering videos.…
Quantifying Signals – Peak, Peak-to-Peak, & RMS metrics
Anytime you measure something which is changing with time, there are multiple ways to quantify the signal. For the purpose of this discussion, we will be talking about how to describe the…
What Is A Hammer Test Or Hammer Impact Test?
This is often also known as Modal Testing. It is a method of testing that allows us to calculate the natural frequencies (modes), modal masses, modal damping ratios and mode shapes…
What Can I Do About Spikes In My Data?
Whether you call them spikes, glitches, anomalies or data dropouts, these phenomena have been a problem to engineers ever since they started recording data. There are any number of reasons…
