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><channel><title>Prosig Noise &#38; Vibration Blog &#187; engine : Noise &amp; Vibration Blog : What You Need To Know About Noise &amp; Vibration Measurement</title> <atom:link href="http://blog.prosig.com/tag/engine/feed/" rel="self" type="application/rss+xml" /><link>http://blog.prosig.com</link> <description>Telling you what you need to know about noise &#38; vibration</description> <lastBuildDate>Wed, 25 Jan 2012 14:42:00 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.1</generator> <item><title>Calculating Velocity Or Displacement From Acceleration Time Histories</title><link>http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/</link> <comments>http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/#comments</comments> <pubDate>Fri, 05 Oct 2007 10:56:53 +0000</pubDate> <dc:creator>Adrian Lincoln</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[DC offset]]></category> <category><![CDATA[differentiation]]></category> <category><![CDATA[displacement]]></category> <category><![CDATA[engine]]></category> <category><![CDATA[integration]]></category> <category><![CDATA[omega arithmetic]]></category> <category><![CDATA[velocity]]></category><guid
isPermaLink="false">http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/</guid> <description><![CDATA[It is quite straightforward to apply “classical” integration techniques to calculate either a velocity time history from an acceleration time history or the corresponding displacement time history from a velocity...]]></description> <wfw:commentRss>http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/feed/</wfw:commentRss> <slash:comments>11</slash:comments> </item> <item><title>Evaluating A Closed Loop Control System For High Pressure Pumps</title><link>http://blog.prosig.com/2007/03/29/evaluating-a-closed-loop-control-system-for-high-pressure-pumps/</link> <comments>http://blog.prosig.com/2007/03/29/evaluating-a-closed-loop-control-system-for-high-pressure-pumps/#comments</comments> <pubDate>Thu, 29 Mar 2007 11:57:54 +0000</pubDate> <dc:creator>James Wren</dc:creator> <category><![CDATA[applications]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[angle domain]]></category> <category><![CDATA[closed loop]]></category> <category><![CDATA[engine]]></category> <category><![CDATA[Nyquist]]></category> <category><![CDATA[pump]]></category> <category><![CDATA[tachometer]]></category><guid
isPermaLink="false">http://blog.prosig.com/2007/03/29/evaluating-a-closed-loop-control-system-for-high-pressure-pumps/</guid> <description><![CDATA[Prosig 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...]]></description> <wfw:commentRss>http://blog.prosig.com/2007/03/29/evaluating-a-closed-loop-control-system-for-high-pressure-pumps/feed/</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>Measuring Torsional Twist &amp; Vibration Along a Shaft or Through a Geartrain</title><link>http://blog.prosig.com/2002/05/15/torsional-vibration-example/</link> <comments>http://blog.prosig.com/2002/05/15/torsional-vibration-example/#comments</comments> <pubDate>Wed, 15 May 2002 10:10:09 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[applications]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[engine]]></category> <category><![CDATA[gear]]></category> <category><![CDATA[nvh]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[rotating machinery]]></category> <category><![CDATA[shaft]]></category> <category><![CDATA[shaft encoder]]></category> <category><![CDATA[tachometer]]></category> <category><![CDATA[torsional vibration]]></category> <category><![CDATA[twist]]></category> <category><![CDATA[vibration]]></category><guid
isPermaLink="false">http://blog.prosig.com/2002/05/15/torsional-vibration-example/</guid> <description><![CDATA[The 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...]]></description> <wfw:commentRss>http://blog.prosig.com/2002/05/15/torsional-vibration-example/feed/</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>High Pass Filtering And Tacho Signals</title><link>http://blog.prosig.com/2001/06/06/high-pass-filtering-and-tacho-signals/</link> <comments>http://blog.prosig.com/2001/06/06/high-pass-filtering-and-tacho-signals/#comments</comments> <pubDate>Wed, 06 Jun 2001 17:13:29 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[Butterworth]]></category> <category><![CDATA[engine]]></category> <category><![CDATA[gearbox]]></category> <category><![CDATA[nvh]]></category> <category><![CDATA[phaseless]]></category> <category><![CDATA[rotating machinery]]></category> <category><![CDATA[tacho]]></category> <category><![CDATA[tachometer]]></category> <category><![CDATA[vibration]]></category><guid
isPermaLink="false">http://blog.prosig.com/2001/06/06/high-pass-filtering-and-tacho-signals/</guid> <description><![CDATA[It is sometimes necessary to pass a signal through a high pass filter to eliminate low frequency signals. These may arise for instance from whole body vibrations when perhaps our...]]></description> <wfw:commentRss>http://blog.prosig.com/2001/06/06/high-pass-filtering-and-tacho-signals/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> </channel> </rss>
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