CN1540847A - Lnear motor possessing dual winding element of mover - Google Patents

Lnear motor possessing dual winding element of mover Download PDF

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Publication number
CN1540847A
CN1540847A CNA2003101076550A CN200310107655A CN1540847A CN 1540847 A CN1540847 A CN 1540847A CN A2003101076550 A CNA2003101076550 A CN A2003101076550A CN 200310107655 A CN200310107655 A CN 200310107655A CN 1540847 A CN1540847 A CN 1540847A
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CN
China
Prior art keywords
mover
winding element
proportional gain
signal
winding
Prior art date
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Granted
Application number
CNA2003101076550A
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Chinese (zh)
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CN100369368C (en
Inventor
郝双晖
宋宝玉
郝明晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Energy Holdings Ltd.
Zhejiang Guanxi Electric & Motor Co ltd
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Harbin Institute of Technology
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Priority to CNB2003101076550A priority Critical patent/CN100369368C/en
Publication of CN1540847A publication Critical patent/CN1540847A/en
Application granted granted Critical
Publication of CN100369368C publication Critical patent/CN100369368C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The invention discloses linear motor possessing two mover windings capable of generating electromagnetic forces in opposite directions. Linear motor consists of mover, stator, positive direction winding element, positive direction drive, negative direction winding element, and negative direction drive. Positive direction winding element and negative direction winding element are set at two ends of mover longitudinally. Positive direction drive controls direction and magnitude of current in positive direction winding element. Negative direction drive controls direction and magnitude of current in negative direction winding element. Since electromagnetic forces are not disappeared, mover can resist disturbing force so as to possess good rigidity at rest. Since current is never equal to zero, and in not sensing zone, thus response of linear motor is quick. Advantages of the invention are: novel design and easy of popularization.

Description

Linear electric motors with two mover winding elements
Technical field: the invention belongs to the linear electric motors field, be specifically related to a kind of two linear electric motors that can produce the mover winding element of rightabout electromagnetic force that have.
Background technology: existing linear electric motors as shown in Figure 2, when needing mover 1 static, in the mover 1 in three phase windings electric current should be 0, at this moment except that action of gravity, there is not the effect of electromagnetic force on the mover 1, mover 1 antijamming capability extreme difference at this time, any point external force all may make it to be subjected to displacement along guide rail, influences the positioning accuracy of linear electric motors.Fig. 3 is the relation curve of electromagnetic force F on winding current i and the mover 1 in the mover 1, and approaching to exist an electromagnetic force at 0 o'clock at winding current i is 0 not sensing zone I, therefore when winding current in the mover 1 when 0 rises, electromagnetic force has the time difference of individual delayed fashion.Fig. 4 is the relation curve of winding current i and winding voltage V in the mover 1, winding current of existence is 0 not sensing zone II when winding voltage V approaches 0, therefore when winding voltage V in the mover 1 when 0 rises, winding current i has the time difference of individual delayed fashion.Long when restarting after the existence of two time differences makes linear electric motors static to the response time of signal, influence the serviceability of linear electric motors.The existence of not sensing zone also makes linear electric motors in hour rigidity decline of winding current, and the motion rigidity of the motion platform of linear electric motors is used in influence.
Summary of the invention: for overcome existing linear electric motors poor anti jamming capability, to response time of signal the long and low defective of motion rigidity, provide a kind of antijamming capability strong, rapidly and the strong linear electric motors of motion rigidity to signal response.The present invention is achieved by following proposal, a kind of linear electric motors with two mover winding elements, it is made up of mover 2, stator 3, forward winding element 4, forward driver 5, reverse winding element 6 and reverse driven 7, forward winding element 4 and reverse winding element 6 vertically are arranged on the two ends of mover 2, the sense of current and size in the forward driver 5 control forward winding elements 4, the sense of current and size in the reverse winding element 6 of reverse driven 7 controls.Linear electric motors of the present invention at work, forward winding element and reverse winding element produce rightabout electromagnetic force respectively under forward driver and reverse driven control, mover 2 is striven under the acting in conjunction of power two and is worked, when even mover 2 is static the forward winding element and oppositely the electric current in the winding element be not 0 yet, the electromagnetic force of generation also exists.Because electromagnetic force does not disappear, therefore can be to interference resistance, so mover 2 has good static rigidity, positioning accuracy improves greatly.Because electric current is not 0 all the time, does not fall into not sensing zone,, has good motion rigidity so linear electric motors of the present invention response rapidly.The present invention has modern design, cost is lower and be easy to the advantage of promotion and implementation.
Description of drawings: Fig. 1 is a structural representation of the present invention, Fig. 2 is the structural representation of existing linear electric motors, Fig. 3 is the graph of relation of electromagnetic force F on winding current i and the mover 1 in the mover 1, Fig. 4 is the graph of relation of winding current i and winding voltage V in the mover 1, and Fig. 5 is the structural representation of execution mode two.
Embodiment one: specify present embodiment below in conjunction with Fig. 1.It is made up of mover 2, stator 3, forward winding element 4, forward driver 5, reverse winding element 6 and reverse driven 7, forward winding element 4 and reverse winding element 6 vertically are arranged on the two ends of mover 2, the sense of current and size in the forward driver 5 control forward winding elements 4, the sense of current and size in the reverse winding element 6 of reverse driven 7 controls.
Embodiment two: specify present embodiment below in conjunction with Fig. 5.The difference of present embodiment and execution mode one is, it also comprises controller 8, proportional gain device 10, proportional gain device 11 and pre-torque device 9, the displacement signal x that controller 8 reception movers 2 feed back also sends dtc signal f, the proportional gain K of a road and the proportional gain device 10 of dtc signal f 2The signal f that sends with pre-torque device 9 after multiplying each other 0Stack is also signal K 2F+f 0Pass to forward driver 5, forward driver 5 control forward winding elements 4, another road of dtc signal f and the proportional gain K of proportional gain device 11 1Deduct the signal f that pre-torque device 9 sends after multiplying each other 0And signal K 1F-f 0Pass to reverse driven 7, the reverse winding element 6 of reverse driven 7 controls, forward winding element 4 provides electromagnetic force F for mover 2 1, oppositely winding element 6 provides electromagnetic force F for mover 2 2, mover 2 is at electromagnetic force F 1With electromagnetic force F 2Down motion of acting in conjunction.Present embodiment makes the linear electric motors working method more various by two drivers of controller 8 unified controls.
Embodiment three: the difference of present embodiment and execution mode two is proportional gain K 1With proportional gain K 2Value be all 1/2nd.

Claims (3)

1, a kind of linear electric motors with two mover winding elements, it is characterized in that it is by mover (2), stator (3), forward winding element (4), forward driver (5), oppositely winding element (6) and reverse driven (7) are formed, forward winding element (4) and reverse winding element (6) vertically are arranged on the two ends of mover (2), the sense of current and size in forward driver (5) the control forward winding element (4), reverse driven (7) is controlled the sense of current and the size in the reverse winding element (6).
2, the linear electric motors with two mover winding elements according to claim 1, it is characterized in that it also comprises controller (8), proportional gain device (10), proportional gain device (11) and pre-torque device (9), the displacement signal (x) that controller (8) reception mover (2) feeds back also sends dtc signal (f), the proportional gain (K of a tunnel and proportional gain device (10) of dtc signal (f) 2) the back signal (f that sends with pre-torque device (9) multiplies each other 0) superpose also signal (K 2F+f 0) passing to forward driver (5), forward driver (5) is controlled forward winding element (4), the proportional gain (K of another road of dtc signal (f) and proportional gain device (11) 1) deduct signal (f0) that pre-torque device (9) sends after multiplying each other and signal (K 1F-f 0) passing to reverse driven (7), reverse driven (7) is controlled reverse winding element (6), and forward winding element (4) provides electromagnetic force (F for mover (2) 1), oppositely winding element (6) provides electromagnetic force (F for mover (2) 2), mover (2) is at electromagnetic force (F 1) and electromagnetic force (F 2) down motion of acting in conjunction.
3, the linear electric motors with two mover winding elements according to claim 2 is characterized in that proportional gain (K 1) and proportional gain (K 2) value be all 1/2nd.
CNB2003101076550A 2003-10-31 2003-10-31 Lnear motor possessing dual winding element of mover Expired - Fee Related CN100369368C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2003101076550A CN100369368C (en) 2003-10-31 2003-10-31 Lnear motor possessing dual winding element of mover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2003101076550A CN100369368C (en) 2003-10-31 2003-10-31 Lnear motor possessing dual winding element of mover

Publications (2)

Publication Number Publication Date
CN1540847A true CN1540847A (en) 2004-10-27
CN100369368C CN100369368C (en) 2008-02-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121168A (en) * 2011-03-23 2011-07-13 王占洪 Guide bar shogging mechanism in warp knitting machine
CN101984551B (en) * 2010-11-11 2012-06-13 四川长征机床集团有限公司 Method for expanding output range of thrust of linear motor
CN105449976A (en) * 2014-08-28 2016-03-30 上海微电子装备有限公司 Permanent-magnet linear motor drive device and control method
CN109818479A (en) * 2019-01-29 2019-05-28 哈尔滨工业大学 A kind of multi-degree-of-freedom motion platform based on double primary LEMs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300846A (en) * 1992-10-08 1994-04-05 Otis Elevator Company Lamination support for a linear motor
US5959373A (en) * 1996-11-19 1999-09-28 Lg Industrial Systems Co., Ltd. Linear motor
JP3643273B2 (en) * 1999-10-28 2005-04-27 株式会社ソディック Linear motor coil device and manufacturing method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984551B (en) * 2010-11-11 2012-06-13 四川长征机床集团有限公司 Method for expanding output range of thrust of linear motor
CN102121168A (en) * 2011-03-23 2011-07-13 王占洪 Guide bar shogging mechanism in warp knitting machine
CN102121168B (en) * 2011-03-23 2013-09-11 王占洪 Guide bar shogging mechanism in warp knitting machine
CN105449976A (en) * 2014-08-28 2016-03-30 上海微电子装备有限公司 Permanent-magnet linear motor drive device and control method
CN105449976B (en) * 2014-08-28 2018-06-01 上海微电子装备(集团)股份有限公司 The driving device and control method of a kind of permanent-magnetism linear motor
CN109818479A (en) * 2019-01-29 2019-05-28 哈尔滨工业大学 A kind of multi-degree-of-freedom motion platform based on double primary LEMs

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Owner name: ZHEJIANG GUANXI ELECTRIC CO., LTD.

Free format text: FORMER OWNER: ZHEJIANG JUNENG HOLDINGS LIMITED

Effective date: 20080912

Owner name: ZHEJIANG JUNENG HOLDINGS LIMITED

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Effective date: 20080912

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20080912

Address after: 4D 63, nine Ring Road, Jianggan District, Zhejiang, Hangzhou: 310019

Patentee after: ZHEJIANG GUANXI ELECTRIC & MOTOR Co.,Ltd.

Address before: Hangzhou City, Zhejiang Province, Binjiang District Jiangnan Road No. 3888 Sunyard building seven floor, zip code: 310053

Patentee before: Zhejiang Energy Holdings Ltd.

Effective date of registration: 20080912

Address after: Hangzhou City, Zhejiang Province, Binjiang District Jiangnan Road No. 3888 Sunyard building seven floor, zip code: 310053

Patentee after: Zhejiang Energy Holdings Ltd.

Address before: No 92, West Da Jie street, Nangang District, Heilongjiang, Harbin: 150001

Patentee before: Harbin Institute of Technology

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080213

Termination date: 20161031

CF01 Termination of patent right due to non-payment of annual fee