PWM Based Sensing and Control of Magnetic Bearings
This paper develops a PWM based position sensing method for motion control of active magnetic bearings. A practical method to determine the rotor position in terms of rotor-stator magnetic properties was investigated. An analog signal processing circuit which conditions the PWM voltage and current s...
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| creator | Shuliang Lei Jansen, R. |
| description | This paper develops a PWM based position sensing method for motion control of active magnetic bearings. A practical method to determine the rotor position in terms of rotor-stator magnetic properties was investigated. An analog signal processing circuit which conditions the PWM voltage and current signals is used to implement the method. Analog biquad band pass filters, as well as low pass filters, demodulators, isolators and dividers were built. Preliminary tests were conducted using a four pole homopolar magnetic bearing by manually varying the rotor position and measuring the effectiveness of the signal processing module. The closed loop magnetic bearing motion control based on PWM sensing module was simulated using Matlab/Simulink. The simulation model includes 4-axis radial magnetic bearings with the dynamics of a high speed flywheel. A PD controller along with notch filters and lead compensators were employed in the closed loop control system. The simulation results demonstrated converged orbit trajectories of the rotors, which proved the effectiveness of the sensing scheme and the control strategy |
| doi_str_mv | 10.1109/IPEMC.2006.4778117 |
| format | Conference Proceeding |
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A practical method to determine the rotor position in terms of rotor-stator magnetic properties was investigated. An analog signal processing circuit which conditions the PWM voltage and current signals is used to implement the method. Analog biquad band pass filters, as well as low pass filters, demodulators, isolators and dividers were built. Preliminary tests were conducted using a four pole homopolar magnetic bearing by manually varying the rotor position and measuring the effectiveness of the signal processing module. The closed loop magnetic bearing motion control based on PWM sensing module was simulated using Matlab/Simulink. The simulation model includes 4-axis radial magnetic bearings with the dynamics of a high speed flywheel. A PD controller along with notch filters and lead compensators were employed in the closed loop control system. The simulation results demonstrated converged orbit trajectories of the rotors, which proved the effectiveness of the sensing scheme and the control strategy</description><identifier>ISBN: 1424404487</identifier><identifier>ISBN: 9781424404483</identifier><identifier>DOI: 10.1109/IPEMC.2006.4778117</identifier><identifier>LCCN: 2006925601</identifier><language>eng</language><publisher>IEEE</publisher><subject>Band pass filters ; Circuits ; coil inductance ; Control systems ; Low pass filters ; magnetic bearings ; Magnetic levitation ; Magnetic properties ; Motion control ; position sensing ; Pulse width modulation ; pulse-width modulation (PWM) ; Signal processing ; Voltage</subject><ispartof>2006 CES/IEEE 5th International Power Electronics and Motion Control Conference, 2006, Vol.2, p.1-5</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4778117$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2052,27902,54895</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4778117$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Shuliang Lei</creatorcontrib><creatorcontrib>Jansen, R.</creatorcontrib><title>PWM Based Sensing and Control of Magnetic Bearings</title><title>2006 CES/IEEE 5th International Power Electronics and Motion Control Conference</title><addtitle>IPEMC</addtitle><description>This paper develops a PWM based position sensing method for motion control of active magnetic bearings. A practical method to determine the rotor position in terms of rotor-stator magnetic properties was investigated. An analog signal processing circuit which conditions the PWM voltage and current signals is used to implement the method. Analog biquad band pass filters, as well as low pass filters, demodulators, isolators and dividers were built. Preliminary tests were conducted using a four pole homopolar magnetic bearing by manually varying the rotor position and measuring the effectiveness of the signal processing module. The closed loop magnetic bearing motion control based on PWM sensing module was simulated using Matlab/Simulink. The simulation model includes 4-axis radial magnetic bearings with the dynamics of a high speed flywheel. A PD controller along with notch filters and lead compensators were employed in the closed loop control system. The simulation results demonstrated converged orbit trajectories of the rotors, which proved the effectiveness of the sensing scheme and the control strategy</description><subject>Band pass filters</subject><subject>Circuits</subject><subject>coil inductance</subject><subject>Control systems</subject><subject>Low pass filters</subject><subject>magnetic bearings</subject><subject>Magnetic levitation</subject><subject>Magnetic properties</subject><subject>Motion control</subject><subject>position sensing</subject><subject>Pulse width modulation</subject><subject>pulse-width modulation (PWM)</subject><subject>Signal processing</subject><subject>Voltage</subject><isbn>1424404487</isbn><isbn>9781424404483</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2006</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNp9zk8LgjAcxvEfRFCWb6AuewPZ_uncVTHqIAgFHWXklIXN2Lz07jPw3HP5Hj6XB2BHcEQIlsdLVZR5RDFOIi5ESohYQEA45RxznoolBD-TNE4wWUHo_RNPYzKWjK2BVvcSZcrrBl219cZ2SNkG5YMd3dCjoUWl6qwezQNlWrnJ_RaWreq9DuduYH8qbvn5YLTW9duZl3Kfev7C_usXs6E04w</recordid><startdate>200608</startdate><enddate>200608</enddate><creator>Shuliang Lei</creator><creator>Jansen, R.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200608</creationdate><title>PWM Based Sensing and Control of Magnetic Bearings</title><author>Shuliang Lei ; Jansen, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-ieee_primary_47781173</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Band pass filters</topic><topic>Circuits</topic><topic>coil inductance</topic><topic>Control systems</topic><topic>Low pass filters</topic><topic>magnetic bearings</topic><topic>Magnetic levitation</topic><topic>Magnetic properties</topic><topic>Motion control</topic><topic>position sensing</topic><topic>Pulse width modulation</topic><topic>pulse-width modulation (PWM)</topic><topic>Signal processing</topic><topic>Voltage</topic><toplevel>online_resources</toplevel><creatorcontrib>Shuliang Lei</creatorcontrib><creatorcontrib>Jansen, R.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Shuliang Lei</au><au>Jansen, R.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>PWM Based Sensing and Control of Magnetic Bearings</atitle><btitle>2006 CES/IEEE 5th International Power Electronics and Motion Control Conference</btitle><stitle>IPEMC</stitle><date>2006-08</date><risdate>2006</risdate><volume>2</volume><spage>1</spage><epage>5</epage><pages>1-5</pages><isbn>1424404487</isbn><isbn>9781424404483</isbn><abstract>This paper develops a PWM based position sensing method for motion control of active magnetic bearings. A practical method to determine the rotor position in terms of rotor-stator magnetic properties was investigated. An analog signal processing circuit which conditions the PWM voltage and current signals is used to implement the method. Analog biquad band pass filters, as well as low pass filters, demodulators, isolators and dividers were built. Preliminary tests were conducted using a four pole homopolar magnetic bearing by manually varying the rotor position and measuring the effectiveness of the signal processing module. The closed loop magnetic bearing motion control based on PWM sensing module was simulated using Matlab/Simulink. The simulation model includes 4-axis radial magnetic bearings with the dynamics of a high speed flywheel. A PD controller along with notch filters and lead compensators were employed in the closed loop control system. The simulation results demonstrated converged orbit trajectories of the rotors, which proved the effectiveness of the sensing scheme and the control strategy</abstract><pub>IEEE</pub><doi>10.1109/IPEMC.2006.4778117</doi></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Band pass filters Circuits coil inductance Control systems Low pass filters magnetic bearings Magnetic levitation Magnetic properties Motion control position sensing Pulse width modulation pulse-width modulation (PWM) Signal processing Voltage |
| title | PWM Based Sensing and Control of Magnetic Bearings |
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