CN102377379A - Drive control system of permanent magnet synchronous motor - Google Patents
Drive control system of permanent magnet synchronous motor Download PDFInfo
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- CN102377379A CN102377379A CN2011104138337A CN201110413833A CN102377379A CN 102377379 A CN102377379 A CN 102377379A CN 2011104138337 A CN2011104138337 A CN 2011104138337A CN 201110413833 A CN201110413833 A CN 201110413833A CN 102377379 A CN102377379 A CN 102377379A
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- synchronous motor
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Abstract
The invention discloses a drive control system of a permanent magnet synchronous motor. The drive control system is connected with an upper computer; the drive control system comprises a digital signal processor, an isolated unit, a drive circuit, a three-phase fully-controlled rectifier bridge, the permanent magnet synchronous motor, an interface circuit, a current measurement circuit, a rotating speed measurement circuit and an analog/digital (A/D) converter connected sequentially, wherein the current measurement circuit and the A/D converter are sequentially connected between the permanent magnet synchronous motor and the digital signal processor; the rotating speed measurement circuit is connected between the permanent magnet synchronous motor and the digital signal processor; and the digital signal processor is connected with the upper computer through the interface circuit. The drive control system is simple in structure and low in cost, and has relatively high practical application value.
Description
Technical field
The present invention relates to a kind of permagnetic synchronous motor (PMSM) driving control system.
Background technology
Permagnetic synchronous motor is able to extensive use, because its speed-regulating range width, torque fluctuations is little, and response speed is fast, and peak torque is high, and overload capacity is strong, and advantage such as reliable.Especially in the attitude control of Aero-Space inertia actuator, robot etc. motor performance and control precision are required to come into one's own more than higher occasion.
Therefore, increase day by day for the requirement of Control of PMSM system.Yet, the present most complex design of some control system, cost is higher, and these control system of enterprise application often need pay through the nose.
Summary of the invention
The objective of the invention is to overcome the defective of prior art and a kind of permagnetic synchronous motor driving control system is provided, this control system is simple in structure, and is with low cost, has higher actual application value.
The technical scheme that realizes above-mentioned purpose is:
A kind of permagnetic synchronous motor driving control system; Connect a host computer; Said driving control system comprises digital signal processor, isolated location, drive circuit, three-phase full-controlled rectifier bridge and the permagnetic synchronous motor (PMSM) that connects successively; And interface circuit, current measurement circuit, tachometric survey circuit and A/D converter (mould/number), wherein:
Said current measurement circuit and A/D converter are connected in turn between said permagnetic synchronous motor and the digital signal processor;
Said tachometric survey circuit is connected between said permagnetic synchronous motor and the digital signal processor;
Said digital signal processor connects said host computer through said interface circuit;
Said digital signal processor sends PWM (pulse width modulation) control signal, and takes over said isolated location and be transferred to said drive circuit;
Said drive circuit drives said three-phase full-controlled rectifier bridge and controls said permagnetic synchronous motor according to the pwm control signal that receives;
Said current measurement circuit is gathered the current signal of said permagnetic synchronous motor, converts digital signal to through said A/D converter, and is transferred to said digital signal processor;
Said tachometric survey circuit is gathered the rotating speed of said permagnetic synchronous motor, and sends rotational speed pulse signal and give said digital signal processor.
Above-mentioned permagnetic synchronous motor driving control system, wherein, said driving control system comprises that also one is connected the protective circuit between said digital signal processor and the three-phase full-controlled rectifier bridge.
The invention has the beneficial effects as follows: the present invention is simple in structure, and is with low cost, has higher actual application value; Simultaneously, the present invention adopts the space vector pulse width modulation technology, and provides protective circuit, has further improved using value of the present invention.
Description of drawings
Fig. 1 is the structural representation of permagnetic synchronous motor driving control system of the present invention;
Fig. 2 is the structural representation of three-phase full-controlled rectifier bridge of the present invention.
Embodiment
To combine accompanying drawing that the present invention is described further below.
See also Fig. 1, permagnetic synchronous motor driving control system of the present invention connects host computer 10, and mutual each other through this host computer 10 and said driving control system realized the control to permagnetic synchronous motor 5.In the present embodiment, host computer 10 is computer or industrial control equipment.
Said driving control system comprises digital signal processor 1, isolated location 2, drive circuit 3, three-phase full-controlled rectifier bridge 4 and the permagnetic synchronous motor 5 that connects successively; And interface circuit 6, current measurement circuit 7, tachometric survey circuit 8 and A/D converter 9, wherein: current measurement circuit 7 and A/D converter 9 are connected in turn between permagnetic synchronous motor 5 and the digital signal processor 1; Tachometric survey circuit 8 is connected between permagnetic synchronous motor 5 and the digital signal processor 1; Digital signal processor 1 connects host computer 10 through interface circuit 6;
The driven strategy works of digital signal processor 1 adopts the space vector pulse width modulation technology, and the pwm control signal that digital signal processor 1 sends is taken over isolated location 2 and is transferred to drive circuit 3;
Said driving control system comprises that also one is connected the protective circuit 11 between digital signal processor 1 and the three-phase full-controlled rectifier bridge 4, realizes the protection to whole driving control system.
See also Fig. 2, be the structural representation of three-phase full-controlled rectifier bridge 4.In the present embodiment, to select model for use be DSP (Digital Signal Processing) chip of TMS320LF2406A to digital signal processor 1; Miscellaneous part all adopts product commonly used and that be easy on the market purchase to realize.
Permagnetic synchronous motor driving control system of the present invention and host computer 10 cooperatively interact, and realize the accurate control to permagnetic synchronous motor 5, and the present invention are simple in structure, are easy to realization and with low cost, have higher actual application value.
Above embodiment only supplies to explain the present invention's usefulness; But not limitation of the present invention; The technical staff in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification; Therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (2)
1. permagnetic synchronous motor driving control system; Connect a host computer; It is characterized in that; Said driving control system comprises digital signal processor, isolated location, drive circuit, three-phase full-controlled rectifier bridge and the permagnetic synchronous motor that connects successively, and interface circuit, current measurement circuit, tachometric survey circuit and A/D converter, wherein:
Said current measurement circuit and A/D converter are connected in turn between said permagnetic synchronous motor and the digital signal processor;
Said tachometric survey circuit is connected between said permagnetic synchronous motor and the digital signal processor;
Said digital signal processor connects said host computer through said interface circuit;
Said digital signal processor sends pwm control signal, and takes over said isolated location and be transferred to said drive circuit;
Said drive circuit drives said three-phase full-controlled rectifier bridge and controls said permagnetic synchronous motor according to the pwm control signal that receives;
Said current measurement circuit is gathered the current signal of said permagnetic synchronous motor, converts digital signal to through said A/D converter, and is transferred to said digital signal processor;
Said tachometric survey circuit is gathered the rotating speed of said permagnetic synchronous motor, and sends rotational speed pulse signal and give said digital signal processor.
2. permagnetic synchronous motor driving control system according to claim 1 is characterized in that, said driving control system comprises that also one is connected the protective circuit between said digital signal processor and the three-phase full-controlled rectifier bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104138337A CN102377379A (en) | 2011-12-13 | 2011-12-13 | Drive control system of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104138337A CN102377379A (en) | 2011-12-13 | 2011-12-13 | Drive control system of permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102377379A true CN102377379A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104138337A Pending CN102377379A (en) | 2011-12-13 | 2011-12-13 | Drive control system of permanent magnet synchronous motor |
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| CN (1) | CN102377379A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538613A (en) * | 2003-10-23 | 2004-10-20 | 华东理工大学 | Positionless brushless direct eurrent electric machine control circuit and its intelligent control method |
| CN101266497A (en) * | 2008-03-06 | 2008-09-17 | 华中科技大学 | Large power long range permanent magnetism synchronous linear motor servo drive apparatus |
| CN101860297A (en) * | 2010-05-25 | 2010-10-13 | 东南大学 | Permanent-magnet synchronous machine control system based on DSP (digital signal processor) control and method |
| CN101867343A (en) * | 2010-07-05 | 2010-10-20 | 南京大桥机器有限公司 | Permanent magnet synchronous motor (PMSM) AC servo system |
| CN102064753A (en) * | 2009-11-12 | 2011-05-18 | 程基江 | Alternating current permanent-magnet synchronous machine controller |
| CN102158168A (en) * | 2011-05-27 | 2011-08-17 | 北京理工大学 | Permanent magnet synchronous motor drive control system |
| CN102185546A (en) * | 2011-05-30 | 2011-09-14 | 中国科学院国家天文台南京天文光学技术研究所 | Drive control method and system for large-caliber telescope arc motor |
| CN202435327U (en) * | 2011-12-13 | 2012-09-12 | 上海电气集团股份有限公司 | Driving control system for permanent magnet synchronous motor |
-
2011
- 2011-12-13 CN CN2011104138337A patent/CN102377379A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538613A (en) * | 2003-10-23 | 2004-10-20 | 华东理工大学 | Positionless brushless direct eurrent electric machine control circuit and its intelligent control method |
| CN101266497A (en) * | 2008-03-06 | 2008-09-17 | 华中科技大学 | Large power long range permanent magnetism synchronous linear motor servo drive apparatus |
| CN102064753A (en) * | 2009-11-12 | 2011-05-18 | 程基江 | Alternating current permanent-magnet synchronous machine controller |
| CN101860297A (en) * | 2010-05-25 | 2010-10-13 | 东南大学 | Permanent-magnet synchronous machine control system based on DSP (digital signal processor) control and method |
| CN101867343A (en) * | 2010-07-05 | 2010-10-20 | 南京大桥机器有限公司 | Permanent magnet synchronous motor (PMSM) AC servo system |
| CN102158168A (en) * | 2011-05-27 | 2011-08-17 | 北京理工大学 | Permanent magnet synchronous motor drive control system |
| CN102185546A (en) * | 2011-05-30 | 2011-09-14 | 中国科学院国家天文台南京天文光学技术研究所 | Drive control method and system for large-caliber telescope arc motor |
| CN202435327U (en) * | 2011-12-13 | 2012-09-12 | 上海电气集团股份有限公司 | Driving control system for permanent magnet synchronous motor |
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Application publication date: 20120314 |
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