Virtual instrument for instantaneous power measurements
A computer-based data acquisition system coupled by means of a general-purpose instrumentation bus (IEEE488/GPIB) with a digital oscilloscope is used to create a virtual instrument with instantaneous and average power measurement capability. The software signal-processing capability of the data acqu...
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| Veröffentlicht in: | IEEE transactions on instrumentation and measurement 1992-08, Vol.41 (4), p.528-534 |
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| container_end_page | 534 |
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| container_issue | 4 |
| container_start_page | 528 |
| container_title | IEEE transactions on instrumentation and measurement |
| container_volume | 41 |
| creator | Zrudsky, D.R. Pichler, J.M. |
| description | A computer-based data acquisition system coupled by means of a general-purpose instrumentation bus (IEEE488/GPIB) with a digital oscilloscope is used to create a virtual instrument with instantaneous and average power measurement capability. The software signal-processing capability of the data acquisition system was used to compensate instrument measurement deficiencies and to enhance signal capture. The virtual instrument is shown to provide instantaneous, AC, and fitted-power averages and time-based plots of power variations for both linear and nonlinear system responses to external excitation. Data taken on a resistor, capacitors, an AC-to-DC power converter, and a bipolar junction transistor inverter establish a +or-3% sensitivity with a 10- mu W-100-W range over a 1-Hz-10-MHz frequency span.< > |
| doi_str_mv | 10.1109/19.155920 |
| format | Article |
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The software signal-processing capability of the data acquisition system was used to compensate instrument measurement deficiencies and to enhance signal capture. The virtual instrument is shown to provide instantaneous, AC, and fitted-power averages and time-based plots of power variations for both linear and nonlinear system responses to external excitation. Data taken on a resistor, capacitors, an AC-to-DC power converter, and a bipolar junction transistor inverter establish a +or-3% sensitivity with a 10- mu W-100-W range over a 1-Hz-10-MHz frequency span.< ></description><identifier>ISSN: 0018-9456</identifier><identifier>EISSN: 1557-9662</identifier><identifier>DOI: 10.1109/19.155920</identifier><identifier>CODEN: IEIMAO</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Data acquisition ; Electrical engineering. Electrical power engineering ; Exact sciences and technology ; Frequency conversion ; Instruments ; Inverters ; Nonlinear systems ; Oscilloscopes ; Power capacitors ; Power measurement ; Resistors ; Software measurement ; Testing. Reliability. 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The software signal-processing capability of the data acquisition system was used to compensate instrument measurement deficiencies and to enhance signal capture. The virtual instrument is shown to provide instantaneous, AC, and fitted-power averages and time-based plots of power variations for both linear and nonlinear system responses to external excitation. Data taken on a resistor, capacitors, an AC-to-DC power converter, and a bipolar junction transistor inverter establish a +or-3% sensitivity with a 10- mu W-100-W range over a 1-Hz-10-MHz frequency span.< ></description><subject>Applied sciences</subject><subject>Data acquisition</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Frequency conversion</subject><subject>Instruments</subject><subject>Inverters</subject><subject>Nonlinear systems</subject><subject>Oscilloscopes</subject><subject>Power capacitors</subject><subject>Power measurement</subject><subject>Resistors</subject><subject>Software measurement</subject><subject>Testing. Reliability. 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Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Frequency conversion</topic><topic>Instruments</topic><topic>Inverters</topic><topic>Nonlinear systems</topic><topic>Oscilloscopes</topic><topic>Power capacitors</topic><topic>Power measurement</topic><topic>Resistors</topic><topic>Software measurement</topic><topic>Testing. Reliability. Quality control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zrudsky, D.R.</creatorcontrib><creatorcontrib>Pichler, J.M.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>IEEE transactions on instrumentation and measurement</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zrudsky, D.R.</au><au>Pichler, J.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Virtual instrument for instantaneous power measurements</atitle><jtitle>IEEE transactions on instrumentation and measurement</jtitle><stitle>TIM</stitle><date>1992-08-01</date><risdate>1992</risdate><volume>41</volume><issue>4</issue><spage>528</spage><epage>534</epage><pages>528-534</pages><issn>0018-9456</issn><eissn>1557-9662</eissn><coden>IEIMAO</coden><abstract>A computer-based data acquisition system coupled by means of a general-purpose instrumentation bus (IEEE488/GPIB) with a digital oscilloscope is used to create a virtual instrument with instantaneous and average power measurement capability. The software signal-processing capability of the data acquisition system was used to compensate instrument measurement deficiencies and to enhance signal capture. The virtual instrument is shown to provide instantaneous, AC, and fitted-power averages and time-based plots of power variations for both linear and nonlinear system responses to external excitation. Data taken on a resistor, capacitors, an AC-to-DC power converter, and a bipolar junction transistor inverter establish a +or-3% sensitivity with a 10- mu W-100-W range over a 1-Hz-10-MHz frequency span.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/19.155920</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0018-9456 |
| ispartof | IEEE transactions on instrumentation and measurement, 1992-08, Vol.41 (4), p.528-534 |
| issn | 0018-9456 1557-9662 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_28641018 |
| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Data acquisition Electrical engineering. Electrical power engineering Exact sciences and technology Frequency conversion Instruments Inverters Nonlinear systems Oscilloscopes Power capacitors Power measurement Resistors Software measurement Testing. Reliability. Quality control |
| title | Virtual instrument for instantaneous power measurements |
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