Active control and simulation test study on torsional vibration of large turbo-generator rotor shaft
Reduction of shaft vibration is very important for safe and efficient functioning of a large turbo-generator. This paper presents a theoretical study and proposes an active vibration control scheme for controlling torsional vibration of a rotor shaft due to electromagnetic disturbances or unsteady f...
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| Veröffentlicht in: | Mechanism and machine theory 2010-09, Vol.45 (9), p.1326-1336 |
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| creator | Wenzhi, Gao Zhiyong, Hao |
| description | Reduction of shaft vibration is very important for safe and efficient functioning of a large turbo-generator. This paper presents a theoretical study and proposes an active vibration control scheme for controlling torsional vibration of a rotor shaft due to electromagnetic disturbances or unsteady flow in large steam turbine generator sets. A form of the conventional linear quadratic regulator (LQR) control algorithm has been proposed in this paper. The optimal LQR control problem is solved for each time interval with the weighting matrices, through the Ricatti equation, leading to time-varying gain matrices. The test is conducted using modified direct current electromotor as torsional vibration exciter and actuator, mounting on the rotor shaft. The actuator applies suitable force to control torsional vibration. Suitable force of actuation is achieved by varying the control current in the actuator depending upon a proportional and derivative control law. Preliminary theoretical study and test simulation show good reduction in torsional vibration response. |
| doi_str_mv | 10.1016/j.mechmachtheory.2010.04.005 |
| format | Article |
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This paper presents a theoretical study and proposes an active vibration control scheme for controlling torsional vibration of a rotor shaft due to electromagnetic disturbances or unsteady flow in large steam turbine generator sets. A form of the conventional linear quadratic regulator (LQR) control algorithm has been proposed in this paper. The optimal LQR control problem is solved for each time interval with the weighting matrices, through the Ricatti equation, leading to time-varying gain matrices. The test is conducted using modified direct current electromotor as torsional vibration exciter and actuator, mounting on the rotor shaft. The actuator applies suitable force to control torsional vibration. Suitable force of actuation is achieved by varying the control current in the actuator depending upon a proportional and derivative control law. Preliminary theoretical study and test simulation show good reduction in torsional vibration response.</description><identifier>ISSN: 0094-114X</identifier><identifier>EISSN: 1873-3999</identifier><identifier>DOI: 10.1016/j.mechmachtheory.2010.04.005</identifier><identifier>CODEN: MHMTAS</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Active control ; Actuators ; Applied classical electromagnetism ; Applied sciences ; Continuous cycle engines: steam and gas turbines, jet engines ; Drives ; Electromagnetic wave propagation, radiowave propagation ; Electromagnetism; electron and ion optics ; Engines and turbines ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Mathematical analysis ; Matrices ; Mechanical engineering. Machine design ; Physics ; Reduction ; Rotors ; Shafts, couplings, clutches, brakes ; Simulation test ; Solid mechanics ; Structural and continuum mechanics ; Torsional vibration ; Turbo-generator ; Turbogenerators ; Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</subject><ispartof>Mechanism and machine theory, 2010-09, Vol.45 (9), p.1326-1336</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-3bcabc5d72ecad9e1e753bc46494f0bf7cf2d10d7191b7730379614100033a443</citedby><cites>FETCH-LOGICAL-c392t-3bcabc5d72ecad9e1e753bc46494f0bf7cf2d10d7191b7730379614100033a443</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.mechmachtheory.2010.04.005$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23000682$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wenzhi, Gao</creatorcontrib><creatorcontrib>Zhiyong, Hao</creatorcontrib><title>Active control and simulation test study on torsional vibration of large turbo-generator rotor shaft</title><title>Mechanism and machine theory</title><description>Reduction of shaft vibration is very important for safe and efficient functioning of a large turbo-generator. This paper presents a theoretical study and proposes an active vibration control scheme for controlling torsional vibration of a rotor shaft due to electromagnetic disturbances or unsteady flow in large steam turbine generator sets. A form of the conventional linear quadratic regulator (LQR) control algorithm has been proposed in this paper. The optimal LQR control problem is solved for each time interval with the weighting matrices, through the Ricatti equation, leading to time-varying gain matrices. The test is conducted using modified direct current electromotor as torsional vibration exciter and actuator, mounting on the rotor shaft. The actuator applies suitable force to control torsional vibration. Suitable force of actuation is achieved by varying the control current in the actuator depending upon a proportional and derivative control law. Preliminary theoretical study and test simulation show good reduction in torsional vibration response.</description><subject>Active control</subject><subject>Actuators</subject><subject>Applied classical electromagnetism</subject><subject>Applied sciences</subject><subject>Continuous cycle engines: steam and gas turbines, jet engines</subject><subject>Drives</subject><subject>Electromagnetic wave propagation, radiowave propagation</subject><subject>Electromagnetism; electron and ion optics</subject><subject>Engines and turbines</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Mathematical analysis</subject><subject>Matrices</subject><subject>Mechanical engineering. Machine design</subject><subject>Physics</subject><subject>Reduction</subject><subject>Rotors</subject><subject>Shafts, couplings, clutches, brakes</subject><subject>Simulation test</subject><subject>Solid mechanics</subject><subject>Structural and continuum mechanics</subject><subject>Torsional vibration</subject><subject>Turbo-generator</subject><subject>Turbogenerators</subject><subject>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</subject><issn>0094-114X</issn><issn>1873-3999</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkMFKAzEQhoMoWKvvkIPiaWuySTcNeCliVSh4UfAWsslsm7K7qUm20Lc3pUXw5iVDZr75Z-ZH6JaSCSW0ethMOjDrTpt1WoMP-0lJconwCSHTMzSiM8EKJqU8RyNCJC8o5V-X6CrGDSFETDkbITs3ye0AG9-n4Fuse4uj64ZWJ-d7nCAmHNNg9_jw8yHmrG7xztXhSPgGtzqsAKch1L5YQQ-54gMO_vDGtW7SNbpodBvh5hTH6HPx_PH0WizfX96e5svCMFmmgtVG12ZqRQlGWwkUxDTneMUlb0jdCNOUlhIrqKS1EIwwISvKaT6GMc05G6P7o-42-O8hr646Fw20re7BD1FluWrGZ5Rl8vFImuBjDNCobXCdDntFiTp4qzbqr7fq4K0iXGVvc_vdaZCORrdN0L1x8VejZHmlalZmbnHkIF-9cxBUNA56A9YFMElZ7_438Aexu5pi</recordid><startdate>20100901</startdate><enddate>20100901</enddate><creator>Wenzhi, Gao</creator><creator>Zhiyong, Hao</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>7TA</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>JG9</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20100901</creationdate><title>Active control and simulation test study on torsional vibration of large turbo-generator rotor shaft</title><author>Wenzhi, Gao ; Zhiyong, Hao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-3bcabc5d72ecad9e1e753bc46494f0bf7cf2d10d7191b7730379614100033a443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Active control</topic><topic>Actuators</topic><topic>Applied classical electromagnetism</topic><topic>Applied sciences</topic><topic>Continuous cycle engines: steam and gas turbines, jet engines</topic><topic>Drives</topic><topic>Electromagnetic wave propagation, radiowave propagation</topic><topic>Electromagnetism; electron and ion optics</topic><topic>Engines and turbines</topic><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Mathematical analysis</topic><topic>Matrices</topic><topic>Mechanical engineering. Machine design</topic><topic>Physics</topic><topic>Reduction</topic><topic>Rotors</topic><topic>Shafts, couplings, clutches, brakes</topic><topic>Simulation test</topic><topic>Solid mechanics</topic><topic>Structural and continuum mechanics</topic><topic>Torsional vibration</topic><topic>Turbo-generator</topic><topic>Turbogenerators</topic><topic>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wenzhi, Gao</creatorcontrib><creatorcontrib>Zhiyong, Hao</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Materials 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>Mechanism and machine theory</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wenzhi, Gao</au><au>Zhiyong, Hao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Active control and simulation test study on torsional vibration of large turbo-generator rotor shaft</atitle><jtitle>Mechanism and machine theory</jtitle><date>2010-09-01</date><risdate>2010</risdate><volume>45</volume><issue>9</issue><spage>1326</spage><epage>1336</epage><pages>1326-1336</pages><issn>0094-114X</issn><eissn>1873-3999</eissn><coden>MHMTAS</coden><abstract>Reduction of shaft vibration is very important for safe and efficient functioning of a large turbo-generator. This paper presents a theoretical study and proposes an active vibration control scheme for controlling torsional vibration of a rotor shaft due to electromagnetic disturbances or unsteady flow in large steam turbine generator sets. A form of the conventional linear quadratic regulator (LQR) control algorithm has been proposed in this paper. The optimal LQR control problem is solved for each time interval with the weighting matrices, through the Ricatti equation, leading to time-varying gain matrices. The test is conducted using modified direct current electromotor as torsional vibration exciter and actuator, mounting on the rotor shaft. The actuator applies suitable force to control torsional vibration. Suitable force of actuation is achieved by varying the control current in the actuator depending upon a proportional and derivative control law. Preliminary theoretical study and test simulation show good reduction in torsional vibration response.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.mechmachtheory.2010.04.005</doi><tpages>11</tpages></addata></record> |
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| ispartof | Mechanism and machine theory, 2010-09, Vol.45 (9), p.1326-1336 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Active control Actuators Applied classical electromagnetism Applied sciences Continuous cycle engines: steam and gas turbines, jet engines Drives Electromagnetic wave propagation, radiowave propagation Electromagnetism electron and ion optics Engines and turbines Exact sciences and technology Fundamental areas of phenomenology (including applications) Mathematical analysis Matrices Mechanical engineering. Machine design Physics Reduction Rotors Shafts, couplings, clutches, brakes Simulation test Solid mechanics Structural and continuum mechanics Torsional vibration Turbo-generator Turbogenerators Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) |
| title | Active control and simulation test study on torsional vibration of large turbo-generator rotor shaft |
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