DSP-based Electromagnetic Flowmeter with Sinusoidal Excitation
The paper presented a DSP-based electromagnetic flowmeter. There are 4 pairs of electrodes and a pressure sensor for effective flowrate measurement in partially filled pipes. Although this setup is able to measure different flow profiles, our development focused on the improvement of measurement acc...
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| creator | Gorgenyi, A. Sujbert, L. Bogar, I. Molnar, K. Daboczi, T. |
| description | The paper presented a DSP-based electromagnetic flowmeter. There are 4 pairs of electrodes and a pressure sensor for effective flowrate measurement in partially filled pipes. Although this setup is able to measure different flow profiles, our development focused on the improvement of measurement accuracy by signal processing methods. A sinusoidal excitation is used allowing fast sampling of the flowrate. The coils are driven by class-D amplifiers minimizing the power consumption of the module. The demodulation of the electrode voltage is carried out by a linear phase Hilbert transformer. Linear phase filters guarantee that the flowrate waveform is preserved. Resonator-based controller ensures the automatic and effective suppression of disturbing electrode voltages. Measurement results clearly confirmed the expectations: tests in filled mode have shown high accuracy and reliability. Our ongoing task is testing the flowmeter in partially filled mode, while new developments can aim the exploitation of the electrode pairs for flow profile measurement |
| doi_str_mv | 10.1109/IMTC.2005.1604295 |
| format | Conference Proceeding |
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Our ongoing task is testing the flowmeter in partially filled mode, while new developments can aim the exploitation of the electrode pairs for flow profile measurement</description><subject>class-D amplifier</subject><subject>Coils</subject><subject>Electrodes</subject><subject>Electromagnetic measurements</subject><subject>Energy consumption</subject><subject>floating-point DSP</subject><subject>Fluid flow measurement</subject><subject>Hilbert transform</subject><subject>magnetic flowmeter</subject><subject>Power amplifiers</subject><subject>Pressure measurement</subject><subject>resonatro-based controller</subject><subject>RS-485 bus</subject><subject>Signal processing</subject><subject>Signal sampling</subject><subject>sinusoidal excltation</subject><subject>Testing</subject><issn>1091-5281</issn><isbn>9780780388796</isbn><isbn>0780388798</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2005</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj9tKw0AURQdUsNZ-gPiSH0g8k7m_CBJTLbRUaH0uJ5NTHclFkpHav7dgYcN6WSzYjN1xyDgH97BYbYssB1AZ1yBzpy7YzBkLpwlrjdOXbHLyeKpyy6_ZzTh-AYCWxkzY4_PmLa1wpDopG_Jx6Fv86CgGn8yb_tBSpCE5hPiZbEL3M_ahxiYpf32IGEPf3bKrPTYjzc6csvd5uS1e0-X6ZVE8LVPPhY2psM4SJ7lXCMIYW9W590pXHE3uZQ2195akVQah4ko4LRF9pY3XhJoLFFN2_98NRLT7HkKLw3F3viv-AFJuST4</recordid><startdate>2005</startdate><enddate>2005</enddate><creator>Gorgenyi, A.</creator><creator>Sujbert, L.</creator><creator>Bogar, I.</creator><creator>Molnar, K.</creator><creator>Daboczi, T.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>2005</creationdate><title>DSP-based Electromagnetic Flowmeter with Sinusoidal Excitation</title><author>Gorgenyi, A. ; Sujbert, L. ; Bogar, I. ; Molnar, K. ; Daboczi, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c138t-3898e1e4f5a03778bd2cc56b1a72c4d0dcc8e4857a0b153964aacb67c6ea613a3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2005</creationdate><topic>class-D amplifier</topic><topic>Coils</topic><topic>Electrodes</topic><topic>Electromagnetic measurements</topic><topic>Energy consumption</topic><topic>floating-point DSP</topic><topic>Fluid flow measurement</topic><topic>Hilbert transform</topic><topic>magnetic flowmeter</topic><topic>Power amplifiers</topic><topic>Pressure measurement</topic><topic>resonatro-based controller</topic><topic>RS-485 bus</topic><topic>Signal processing</topic><topic>Signal sampling</topic><topic>sinusoidal excltation</topic><topic>Testing</topic><toplevel>online_resources</toplevel><creatorcontrib>Gorgenyi, A.</creatorcontrib><creatorcontrib>Sujbert, L.</creatorcontrib><creatorcontrib>Bogar, I.</creatorcontrib><creatorcontrib>Molnar, K.</creatorcontrib><creatorcontrib>Daboczi, T.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gorgenyi, A.</au><au>Sujbert, L.</au><au>Bogar, I.</au><au>Molnar, K.</au><au>Daboczi, T.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>DSP-based Electromagnetic Flowmeter with Sinusoidal Excitation</atitle><btitle>2005 IEEE Instrumentationand Measurement Technology Conference Proceedings</btitle><stitle>IMTC</stitle><date>2005</date><risdate>2005</risdate><volume>2</volume><spage>1023</spage><epage>1026</epage><pages>1023-1026</pages><issn>1091-5281</issn><isbn>9780780388796</isbn><isbn>0780388798</isbn><abstract>The paper presented a DSP-based electromagnetic flowmeter. There are 4 pairs of electrodes and a pressure sensor for effective flowrate measurement in partially filled pipes. Although this setup is able to measure different flow profiles, our development focused on the improvement of measurement accuracy by signal processing methods. A sinusoidal excitation is used allowing fast sampling of the flowrate. The coils are driven by class-D amplifiers minimizing the power consumption of the module. The demodulation of the electrode voltage is carried out by a linear phase Hilbert transformer. Linear phase filters guarantee that the flowrate waveform is preserved. Resonator-based controller ensures the automatic and effective suppression of disturbing electrode voltages. Measurement results clearly confirmed the expectations: tests in filled mode have shown high accuracy and reliability. Our ongoing task is testing the flowmeter in partially filled mode, while new developments can aim the exploitation of the electrode pairs for flow profile measurement</abstract><pub>IEEE</pub><doi>10.1109/IMTC.2005.1604295</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 1091-5281 |
| ispartof | 2005 IEEE Instrumentationand Measurement Technology Conference Proceedings, 2005, Vol.2, p.1023-1026 |
| issn | 1091-5281 |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | class-D amplifier Coils Electrodes Electromagnetic measurements Energy consumption floating-point DSP Fluid flow measurement Hilbert transform magnetic flowmeter Power amplifiers Pressure measurement resonatro-based controller RS-485 bus Signal processing Signal sampling sinusoidal excltation Testing |
| title | DSP-based Electromagnetic Flowmeter with Sinusoidal Excitation |
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