Indirect speed sensor for asynchronous machine
This paper presents a new and simple approach for sensorless speed control of asynchronous machine. It shows a self-contained electronic module which determines the speed of the machine with only two phase current measurements. Thus, the speed calculation is independent on the machine parameters and...
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| container_end_page | 3424 Vol.5 |
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| creator | Morand, F. Lin-Shi, X. Retif, J.M. Llor, A.M. |
| description | This paper presents a new and simple approach for sensorless speed control of asynchronous machine. It shows a self-contained electronic module which determines the speed of the machine with only two phase current measurements. Thus, the speed calculation is independent on the machine parameters and on control laws; this allows to design the control by considering the speed as an input. The principle of the method is based on rotor slot harmonics without high frequency injection. In fact, the rotor slot harmonics depend on rotor speed. These signals appear in the stator's spectrum with very low amplitude, in particular for a motor with skewed rotor slots. Moreover, the harmonics move with stator frequency. An analog adaptive band pass filter follows and amplifies this harmonics. As the response time is high at low speed, a digital algorithm is included in the microcontroller in order to decrease the response time. The proposed indirect speed sensor requires only some classical analog components and a low cost microcontroller. A short time calibration is necessary for the first start time of the inverter and the motor. Experimental results on a testing bench with different speed benchmarks are presented. |
| doi_str_mv | 10.1109/PESC.2004.1355079 |
| format | Conference Proceeding |
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It shows a self-contained electronic module which determines the speed of the machine with only two phase current measurements. Thus, the speed calculation is independent on the machine parameters and on control laws; this allows to design the control by considering the speed as an input. The principle of the method is based on rotor slot harmonics without high frequency injection. In fact, the rotor slot harmonics depend on rotor speed. These signals appear in the stator's spectrum with very low amplitude, in particular for a motor with skewed rotor slots. Moreover, the harmonics move with stator frequency. An analog adaptive band pass filter follows and amplifies this harmonics. As the response time is high at low speed, a digital algorithm is included in the microcontroller in order to decrease the response time. The proposed indirect speed sensor requires only some classical analog components and a low cost microcontroller. A short time calibration is necessary for the first start time of the inverter and the motor. Experimental results on a testing bench with different speed benchmarks are presented.</description><identifier>ISSN: 0275-9306</identifier><identifier>ISBN: 9780780383999</identifier><identifier>ISBN: 0780383990</identifier><identifier>EISSN: 2377-6617</identifier><identifier>DOI: 10.1109/PESC.2004.1355079</identifier><language>eng</language><publisher>Piscataway NJ: IEEE</publisher><subject>A.c. Machines ; Applied sciences ; Band pass filters ; Current measurement ; Delay ; Disturbances. Regulation. Protection ; Electrical engineering. Electrical power engineering ; Electrical machines ; Electrical power engineering ; Exact sciences and technology ; Frequency ; Microcontrollers ; Miscellaneous ; Power harmonic filters ; Power networks and lines ; Regulation and control ; Rotors ; Sensorless control ; Stators ; Velocity control</subject><ispartof>2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. 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No.04CH37551)</title><addtitle>PESC</addtitle><description>This paper presents a new and simple approach for sensorless speed control of asynchronous machine. It shows a self-contained electronic module which determines the speed of the machine with only two phase current measurements. Thus, the speed calculation is independent on the machine parameters and on control laws; this allows to design the control by considering the speed as an input. The principle of the method is based on rotor slot harmonics without high frequency injection. In fact, the rotor slot harmonics depend on rotor speed. These signals appear in the stator's spectrum with very low amplitude, in particular for a motor with skewed rotor slots. Moreover, the harmonics move with stator frequency. An analog adaptive band pass filter follows and amplifies this harmonics. As the response time is high at low speed, a digital algorithm is included in the microcontroller in order to decrease the response time. The proposed indirect speed sensor requires only some classical analog components and a low cost microcontroller. A short time calibration is necessary for the first start time of the inverter and the motor. Experimental results on a testing bench with different speed benchmarks are presented.</description><subject>A.c. Machines</subject><subject>Applied sciences</subject><subject>Band pass filters</subject><subject>Current measurement</subject><subject>Delay</subject><subject>Disturbances. Regulation. Protection</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical machines</subject><subject>Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Frequency</subject><subject>Microcontrollers</subject><subject>Miscellaneous</subject><subject>Power harmonic filters</subject><subject>Power networks and lines</subject><subject>Regulation and control</subject><subject>Rotors</subject><subject>Sensorless control</subject><subject>Stators</subject><subject>Velocity control</subject><issn>0275-9306</issn><issn>2377-6617</issn><isbn>9780780383999</isbn><isbn>0780383990</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2004</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFUEtLw0AYXHyAsfYHiJdcPCZ--949Smi1UFBQz2Wz-ZautJuQrYf-ewMRhBnmMMMwDCH3FGpKwT69rz6amgGImnIpQdsLUjCudaUU1ZdkabWBCdxwa-0VKYBpWVkO6obc5vwNIDkFWZB6k7o4oj-VeUDsyowp92MZJrp8Tn4_9qn_yeXR-X1MeEeugztkXP7pgnytV5_Na7V9e9k0z9sqMuCnKniukFkpjRGGi9YaprVuKYRprRbTqpZxpyAY0SI64wCpVa3oqA3obMsX5HHuHVz27hBGl3zMu2GMRzeed1QLaQSwKfcw5yIi_tvzJfwXyStRRA</recordid><startdate>2004</startdate><enddate>2004</enddate><creator>Morand, F.</creator><creator>Lin-Shi, X.</creator><creator>Retif, J.M.</creator><creator>Llor, A.M.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>IQODW</scope></search><sort><creationdate>2004</creationdate><title>Indirect speed sensor for asynchronous machine</title><author>Morand, F. ; Lin-Shi, X. ; Retif, J.M. ; Llor, A.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i203t-fc36e2955884834b982777b10f13574383b23a60f84beea8a0e196b4d19fea9b3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2004</creationdate><topic>A.c. Machines</topic><topic>Applied sciences</topic><topic>Band pass filters</topic><topic>Current measurement</topic><topic>Delay</topic><topic>Disturbances. Regulation. Protection</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical machines</topic><topic>Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Frequency</topic><topic>Microcontrollers</topic><topic>Miscellaneous</topic><topic>Power harmonic filters</topic><topic>Power networks and lines</topic><topic>Regulation and control</topic><topic>Rotors</topic><topic>Sensorless control</topic><topic>Stators</topic><topic>Velocity control</topic><toplevel>online_resources</toplevel><creatorcontrib>Morand, F.</creatorcontrib><creatorcontrib>Lin-Shi, X.</creatorcontrib><creatorcontrib>Retif, J.M.</creatorcontrib><creatorcontrib>Llor, A.M.</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/IET Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection><collection>Pascal-Francis</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Morand, F.</au><au>Lin-Shi, X.</au><au>Retif, J.M.</au><au>Llor, A.M.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Indirect speed sensor for asynchronous machine</atitle><btitle>2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551)</btitle><stitle>PESC</stitle><date>2004</date><risdate>2004</risdate><volume>5</volume><spage>3421</spage><epage>3424 Vol.5</epage><pages>3421-3424 Vol.5</pages><issn>0275-9306</issn><eissn>2377-6617</eissn><isbn>9780780383999</isbn><isbn>0780383990</isbn><abstract>This paper presents a new and simple approach for sensorless speed control of asynchronous machine. It shows a self-contained electronic module which determines the speed of the machine with only two phase current measurements. Thus, the speed calculation is independent on the machine parameters and on control laws; this allows to design the control by considering the speed as an input. The principle of the method is based on rotor slot harmonics without high frequency injection. In fact, the rotor slot harmonics depend on rotor speed. These signals appear in the stator's spectrum with very low amplitude, in particular for a motor with skewed rotor slots. Moreover, the harmonics move with stator frequency. An analog adaptive band pass filter follows and amplifies this harmonics. As the response time is high at low speed, a digital algorithm is included in the microcontroller in order to decrease the response time. The proposed indirect speed sensor requires only some classical analog components and a low cost microcontroller. A short time calibration is necessary for the first start time of the inverter and the motor. Experimental results on a testing bench with different speed benchmarks are presented.</abstract><cop>Piscataway NJ</cop><pub>IEEE</pub><doi>10.1109/PESC.2004.1355079</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0275-9306 |
| ispartof | 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551), 2004, Vol.5, p.3421-3424 Vol.5 |
| issn | 0275-9306 2377-6617 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_17458402 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | A.c. Machines Applied sciences Band pass filters Current measurement Delay Disturbances. Regulation. Protection Electrical engineering. Electrical power engineering Electrical machines Electrical power engineering Exact sciences and technology Frequency Microcontrollers Miscellaneous Power harmonic filters Power networks and lines Regulation and control Rotors Sensorless control Stators Velocity control |
| title | Indirect speed sensor for asynchronous machine |
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