CN106208875B - A kind of permanent magnet synchronous motor voltage-type location estimation method and device used for wind power generation based on Adaptive Observer - Google Patents
A kind of permanent magnet synchronous motor voltage-type location estimation method and device used for wind power generation based on Adaptive Observer Download PDFInfo
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- CN106208875B CN106208875B CN201610587774.8A CN201610587774A CN106208875B CN 106208875 B CN106208875 B CN 106208875B CN 201610587774 A CN201610587774 A CN 201610587774A CN 106208875 B CN106208875 B CN 106208875B
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- magnet synchronous
- permanent magnet
- synchronous motor
- voltage
- power generation
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/13—Observer control, e.g. using Luenberger observers or Kalman filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
A kind of permanent magnet synchronous motor voltage-type location estimation method and device used for wind power generation based on Adaptive Observer, including voltage sensor, signal amplifier, filter, position estimator, voltage sensor acquires winding voltage between permanent magnet synchronous motor two-phase, collected signal passes through signal amplifier and filter process, it is sent into position estimator, to estimate permanent magnet synchronous motor position, the permanent magnet synchronous motor voltage-type location estimation method used for wind power generation that position estimator is proposed by CPU operation this patents is constituted.The beneficial effects of the invention are as follows：A kind of permanent magnet synchronous motor voltage-type location estimation method used for wind power generation and device are proposed, since this method is easily achieved, improves the efficiency of motor position estimation.
Description
Technical field
The permanent magnet synchronous motor voltage-type location estimation used for wind power generation based on Adaptive Observer that the present invention relates to a kind of
Method and apparatus.
Background technology
With the continuous enhancing of people's environmental protection consciousness, wind generating technology is grown rapidly in recent years.Due to forever
Magnetic-synchro generator has the advantages that light-weight, easily controllable, should widely be had in wind-power electricity generation.To wind-driven generator
In control, need to estimate motor position have at present to the achievement of motor position estimation：Current achievement has：Notification number
For the patent of CN104333285A《Permanent magnet synchronous motor standard is without sensing station Servocontrol device and method》Propose one kind
Permanent magnet synchronous motor method for detecting position is not easy to realize however, this method algorithm is complicated.
Invention content
In order to overcome the shortage of prior art, it is same that the present invention provides a kind of permanent magnetism used for wind power generation based on Adaptive Observer
Electric moter voltage type location estimation method and device are walked, since this method is easily achieved, improves the effect of motor position estimation
Rate.
The technical solution adopted by the present invention to solve the technical problems includes the following steps：
The first step acquires winding voltage between permanent magnet synchronous motor two-phase；
Second step designs control coefrficient matrix L using pole assignment technology so thatFor Hurwitz matrixes.Its
In,；；
Third walks, and builds observer
Wherein,；；WithRespectively observer state variable 1 and state variable 2；For forever
Winding voltage between magnetic-synchro motor two-phase；The parameter observed by observer；For intermediate state variable；WithFor centre
The initial value of variable（Value range is 0 ~ 1000）；Parameter in order to control（Value range is 0 ~ 10000）；L coefficient squares in order to control
Battle array；
4th step calculates permanent magnet synchronous motor rotating speed, whereinFor permanent magnet synchronous motor rotating speed；For observer
The parameter observed；
5th step：Calculate permanent magnet synchronous motor position；
Wherein,For permanent magnet synchronous motor position.
The present invention also provides following position estimation devices：Including voltage sensor, signal amplifier, filter, position
Estimator.Voltage sensor acquires winding voltage between permanent magnet synchronous motor two-phase, collected signal by signal amplifier and
Filter process is sent into position estimator, and to estimate permanent magnet synchronous motor position, position estimator is transported for CPU
The permanent magnet synchronous motor voltage-type location estimation method used for wind power generation that row this patent is proposed is constituted.
The beneficial effects of the invention are as follows：Propose a kind of permanent magnet synchronous motor voltage-type location estimation method used for wind power generation
And device improves the efficiency of motor position estimation since this method is easily achieved.
Description of the drawings
Fig. 1 is method of estimation flow chart of the present invention.
Fig. 2 is the structural schematic diagram of position estimation device of the present invention.
In figure, 1-voltage sensor, 2-signal amplifiers, 3-filters, 4-position estimators.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, the present invention includes the following steps：
The first step acquires winding voltage between permanent magnet synchronous motor two-phase, go to second step；
Second step designs control coefrficient matrix L using pole assignment technology so thatFor Hurwitz matrixes.Its
In,；；Go to third step；
Third walks, and builds observer
Wherein,；；WithRespectively observer state variable 1 and state variable 2；For forever
Winding voltage between magnetic-synchro motor two-phase；The parameter observed by observer；For intermediate state variable；WithFor centre
The initial value of variable（Value range is 0 ~ 1000）；Parameter in order to control（Value range is 0 ~ 10000）；L coefficient squares in order to control
Battle array, goes to the 4th step；
4th step calculates permanent magnet synchronous motor rotating speed, whereinFor permanent magnet synchronous motor rotating speed；For observer
The parameter observed goes to the 5th step；
5th step：Calculate permanent magnet synchronous motor position.
Wherein,For permanent magnet synchronous motor position.
As shown in Fig. 2, the present invention also provides following position estimation devices：Including voltage sensor 1, signal amplifier 2,
Filter 3 and position estimator 4.Voltage sensor 1 acquires winding voltage between permanent magnet synchronous motor two-phase, collected signal warp
It crosses signal amplifier 2 and filter 3 is handled, be sent into position estimator 4, to estimate permanent magnet synchronous motor position, position
The permanent magnet synchronous motor voltage-type location estimation method used for wind power generation that estimator is proposed by CPU operation this patents is set to constitute.
Claims (2)
1. a kind of permanent magnet synchronous motor voltage-type location estimation method used for wind power generation based on Adaptive Observer,
It is characterized by comprising following step：
The first step acquires winding voltage y between permanent magnet synchronous motor two-phase；
Second step designs control coefrficient matrix L using pole assignment technology so that A+LC is Hurwitz matrixes, whereinC=[1 0]；
Third walks, and builds observer
L (0)=l0
Wherein,C=[1 0]；WithRespectively observer state variable 1 and state variable 2；Y is permanent-magnet synchronous
Winding voltage between motor two-phase；The parameter observed by observer；L is intermediate state variable；L (0) and l0For intermediate variable
Initial value, value range are 0~1000；Parameter, value range are 0~10000 to γ in order to control；L coefficient matrixes in order to control,
4th step calculates permanent magnet synchronous motor rotating speedWherein,For permanent magnet synchronous motor rotating speed；It is seen by observer
The parameter of survey,
5th step：Permanent magnet synchronous motor position is calculated,
Wherein, ψ is permanent magnet synchronous motor position.
2. a kind of position estimation device using claim 1 the method, including voltage sensor, signal amplifier, filtering
Device and position estimator, it is characterised in that：Voltage sensor acquires winding voltage between permanent magnet synchronous motor two-phase, collected letter
Number pass through signal amplifier and filter process, is sent into position estimator, to estimating permanent magnet synchronous motor position,
Position estimator is CPU operations permanent magnet synchronous motor voltage-type location estimation method used for wind power generation as described in claim 1
It constitutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587774.8A CN106208875B (en) | 2016-07-25 | 2016-07-25 | A kind of permanent magnet synchronous motor voltage-type location estimation method and device used for wind power generation based on Adaptive Observer |
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|---|---|---|---|
| CN201610587774.8A CN106208875B (en) | 2016-07-25 | 2016-07-25 | A kind of permanent magnet synchronous motor voltage-type location estimation method and device used for wind power generation based on Adaptive Observer |
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| CN106208875A CN106208875A (en) | 2016-12-07 |
| CN106208875B true CN106208875B (en) | 2018-09-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453348A (en) * | 2017-06-19 | 2017-12-08 | 西安电子科技大学 | More electric aircraft mains frequency method of estimation and device, aircraft electrical system, aircraft |
| CN107623473B (en) * | 2017-08-22 | 2020-05-29 | 浙江德欧电气技术有限公司 | Position prediction control method for permanent magnet synchronous servo system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388639A (en) * | 2008-11-03 | 2009-03-18 | 北京清能华福风电技术有限公司 | Non-position sensor vector control method for double-feed wind power generator |
| CN103051271A (en) * | 2012-12-29 | 2013-04-17 | 东南大学 | Permanent magnet synchronous motor unposition sensor control method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6756757B2 (en) * | 2002-05-21 | 2004-06-29 | Emerson Electric Company | Control system and method for a rotating electromagnetic machine |
| US6911794B2 (en) * | 2003-05-08 | 2005-06-28 | Wavecrest Laboratories, Llc | Precision adaptive motor control in cruise control system having various motor control schemes |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388639A (en) * | 2008-11-03 | 2009-03-18 | 北京清能华福风电技术有限公司 | Non-position sensor vector control method for double-feed wind power generator |
| CN103051271A (en) * | 2012-12-29 | 2013-04-17 | 东南大学 | Permanent magnet synchronous motor unposition sensor control method |
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