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12 June 2008 Welcome to our latest Newsletter about the Vibration & Environmental test world in addition to the latest information from m+p international. The m+p international Newsletter is circulated exclusively to test engineers and managers involved in vibration test, data acquisition and signal analysis and hopes to bring you some useful technical snippets gleaned from around the world and from around the test and measurement industry. We always look forward to your inputs, send us your views to newsletter@mpihome.com.
1. Release of VibControl Revision 2.10 Our VibControl products for advanced vibration testing and signal analysis from 4 to hundreds of input channels are used by many of the leading environmental test laboratories throughout the world.
Our latest VibControl Rev. 2.10 introduces a lot of new useful capabilities and enhancements to our software, a few of them are:
In addition to the previously supported OROS and VXI Technology measurement hardware, VibControl Revision 2.10 supports our new, compact 4- or 8-channel VibPilot hardware platform and the high-channel count vibration control and data acquisition solutions based on VXIbus hardware. This software update is of course free to all our VibControl customers with current maintenance contracts. For more information, please read our 4-page VibControl Rev. 2.10 Update Note
2. m+p international’s Pass-by-Noise System in Operation at Cooper Tire Cooper Tire operates several test tracks across the USA to aid their advanced noise and vibration design and development. They also provide services to outside companies in key areas such as pass-by-noise testing. Cooper Tire chose m+p international’s unique GPS based Pass-by-Noise (PBN) solution.
Gary Welch, operator of the m+p Pass-by-noise system at Cooper Tire
This single person operated system is the only currently available PBN solution which does not require the old optical triggers and radar units. Optical triggers and radar prevents flexible setup and have many mechanical limitations. Often various size vehicles and different tests require moving the trigger point. m+p international’s PBN solution allows this in seconds and also enable audible tones and indicators to help the operator adjust the throttle position for the on and off points - allowing quick tuning and repeatable results. The latest ISO 362 standard Reg. 51 which adds significant new measurement requirements over and above the old procedures has been implemented along side the existing 1998 standard. Software customization allows identification of the gear and run to aid the complex Reg. 51 measurement gathering. This results in getting more testing completed and quickly gathering both the 1998 method and the latest method as is required until the new method is fully adopted. This advanced solution allows Cooper Tire to maintain their existing large turnaround distances - while enabling immediate results processing and troubleshooting. Other custom features include easy calibration and storage of results to provide certification as per the new standard, gathering track surface temperature along with all weather variables for each run, and simple single button export into existing Microsoft Excel results worksheets, or to standard results printouts with provided customizable templates. The system - based on our SO Analyzer software for dynamic signal analysis - consists of two complete data acquisition systems which can be used on other projects together or independently, thus multiplying the applications for this unique solution to your other NVH, rotating, modal, acoustics testing. 3. Astrium, Europe’s No. 1 in Aerospace, Uses m+p international’s High-Channel Count Vibration Control & Data Acquisition System m+p international recently installed a 128-channel vibration control and data acquisition system at Astrium near Munich which has been our customer for many years. The VibExec system is based on m+p’s proven VibControl software and on powerful, highly precise VXIbus measurerement hardware made by Bustec. Up to 384 input channels can be integrated into a single 13-slot VXIbus mainframe, with 32 fully differential input channels per VXI slot. All channels are available as control, watchdog and/or measurement channels for vibration testing tasks. VibExec supports all kinds of sine, random and shock tests as well as transient capture applications, e.g. to acquire pyroshocks; all these tests are fully compliant with ISO, DIN, MIL-STD 810 and many other standards. The 24-bit sigma-delta A/D converters featuring a sampling rate of 108 or 216 kSamples/sec per channel provide ICP© and voltage signal conditioning as well as TEDS support.
Vibration control and simultaneous gap-free data recording in one system ensure a high test efficiency and minimise the equipment for high-channel count testing. Please read our 4-page VibExec Brochure for technical details. 4. VibUtil Supports Another National Instruments Digital I/O Device With the VibUtil module, VibControl offers a versatile tool for automated vibration testing and combined environmental testing. VibUtil easily combines individual vibration tests of identical or different test modes in any complexity of nested loops. VibUtil can be extended to include eight digital input channels and eight digital output channels which provide links to external equipment such as environmental chambers for combined testing. This so-called Advanced VibUtil function now also supports the National Instruments USB-6525 digital I/O device with eight normally open solid-state relay outputs. Please read more in our VibUtil Product Information Sheet. 5. Thought for the Day "If A equals success, then the formula is A equals X plus Y plus Z. X is work. Y is play. Z is keep your mouth shut." – Albert Einstein
Well, that brings to a close this edition of the m+p international Newsletter. If there are items of info you would like to see here or if you have useful tips for the rest of the environmental test world, then please send us your pointers and we'll include them in the next edition. Please forward this Newsletter to your colleagues if you have found it of interest, spread the word... With regards, m+p international listens to customers...
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