applications Archive
Measuring Torsional Vibration 101
Posted on January 24, 2012 | No CommentsDo you need to measure torsional vibration? Interested in shaft twist? Worried about rotational jitter? Don’t worry, we’ve got it covered. Here we have gathered together our most popular articles...
In-Vehicle Voltage Supply From Cigar Lighter / Accessory Sockets
Posted on March 28, 2011 | No CommentsThis article documents an investigation into voltage levels provided by an automotive cigar lighter socket. These sockets are nowadays used to power a wide variety of devices. It is, in...
Using Your VCM To Monitor Auxiliary Equipment
Posted on October 25, 2010 | 2 CommentsThe use of a vibration condition monitoring system for monitoring vibration from large rotating machines fitted with fluid-filled journal bearings such as steam or gas turbines is well understood. Vibration...
Do You Need To Measure Brake Noise?
Posted on October 6, 2010 | 1 CommentThe objective of the brake noise tests was to record the braking events of cars being driven on various types of road and classify those events according to their type...
Developing an Algorithm for Tick Detection
Posted on August 23, 2010 | 3 CommentsAn investigation was made of a sample of automotive components where some were exhibiting a high frequency “tick” or rattle during each operating cycle. This feature could be heard above...
Vibration Condition Monitoring Using Your Android Smartphone
Posted on May 14, 2010 | No CommentsEver been lying on the beach and begun to wonder about the state of your LP turbines? Or out on business and anxious to know if that troublesome exciter bearing...
The Intelligent Way To Sort, Extract & Analyze Signals
Posted on May 10, 2010 | 1 CommentThis note is based on a real requirement presented to Prosig by a prospective user. It’s the sort of challenge that we relish. This case is a great example of...
Comparing Vibration On Bicycle Suspension
Posted on April 28, 2010 | No CommentsThis video was sent to us by one of our customers. It shows how a Prosig P8000 was used to measure the vibration transmitted through different configurations of bicycle suspension....
Shaft Displacement Measurement Using A PROTOR System
Posted on June 4, 2008 | 6 CommentsShaft displacement is an important vibration measurement for rotating machines. Shaft displacement is usually monitored by non-contact shaft displacement probes such as eddy-current probes. These probes produce a voltage proportional...
Sound Steering
Posted on September 12, 2007 | No CommentsThe requirement was to develop a ‘standard’ test for assessing the sound quality of power steering pumps in vehicles. Measurements needed to be objective so that the method would be...Measuring Torsional Crank Shaft Jitter
Posted on June 24, 2007 | No CommentsUsing Prosig’s P8000 series data acquisition system with DATS signal analysis software, torsional analysis (crank jitter) was performed on an automotive engine attached to an engine dynamometer. The significance of...Evaluating A Closed Loop Control System For High Pressure Pumps
Posted on March 29, 2007 | 1 CommentProsig were recently involved in the validation of a closed loop control system for an automotive pump supplier. The customer has a large number of test cells, each test cell...
Measuring For Success
Posted on September 11, 2006 | No CommentsThe following application note shows the steps taken to perform a structural analysis on an automotive exhaust pipe structure with the aim of improving the structural damping properties of the...
Fatigue & Durability Testing
Posted on May 17, 2006 | 10 CommentsThe following application note describes the test and measurement process for the fatigue testing and development cycle of a component. Strain gauges were used to monitor the strain levels in...
Exhaust Development Using A Prosig P8000 System
Posted on February 20, 2006 | 2 CommentsThe following note describes an application of the Prosig P8000/DATS system in the refinement of an automotive exhaust muffler design for a major after-market exhaust manufacturer in Europe. The particular...
Analyzing Shaft Twist And Repairing Damaged Tachos
Posted on October 19, 2005 | 1 CommentA shaft has been instrumented with two shaft encoders, one at each end. Each shaft encoder gives out a once/rev pulse and a 720 pulses/rev signal. Each signal was digitised...A Simple Noise Test
Posted on August 26, 2005 | 2 CommentsIn a recent article we described how the Prosig P8000 hardware and DATS software had been used to help Dalmeny Racing diagnose a problem with an exhaust bracket on their...
Measuring Torsional Twist & Vibration Along a Shaft or Through a Geartrain
Posted on May 15, 2002 | 3 CommentsThe measurement of the twist angle between two points along a shaft or through a gear train may be derived from a pair of tacho signals, one at each end...Non-Linear Calibration Curve And Polynomial
Posted on June 6, 2001 | No CommentsNot all systems vary linearly. One very well known case is, of course, thermocouples. International standard curves are available for these so they present little difficulty. The issue discussed here...
Getting Rid Of Spikes
Posted on June 6, 2001 | No CommentsFor various reasons data captured in the real world often contains spikes that will give erroneous results when analysed. DATS for Windows provides various ways of editing and removing these...
