CN109768747A - A kind of speed with torque inner ring and magnetic linkage two close cycles vector control method - Google Patents
A kind of speed with torque inner ring and magnetic linkage two close cycles vector control method Download PDFInfo
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- CN109768747A CN109768747A CN201910180617.9A CN201910180617A CN109768747A CN 109768747 A CN109768747 A CN 109768747A CN 201910180617 A CN201910180617 A CN 201910180617A CN 109768747 A CN109768747 A CN 109768747A
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Abstract
The invention belongs to motor control technology fields, more particularly to a kind of speed with torque inner ring and magnetic linkage two close cycles vector control method, including DC power supply, inverter, filter and motor, the DC power supply, inverter, filter and motor are sequentially connected with, and are equipped with measurement module on the motor；By the measurement module for being equipped with speed detection unit and flux measurement unit in motor, and it is connected in the inverter of supply motor energy input, form closed loop feedback control, when the revolving speed for detecting motor is slow, and the electromagnetism winding torque that is subject to it is high when, control the output energy of inverter, therefore the output power of motor is improved, and it is equipped with a compensating module being connected in parallel in DC power supply, it can be significantly increased to instantaneously to power input to a machine, obtain biggish rotating torque, therefore dead point is quickly tided over, and pass through inertia even running, reduce injury of the high current to machine winding.
Description
Technical field
The invention belongs to motor control technology fields, and in particular to a kind of speed with torque inner ring and magnetic linkage two close cycles arrow
Amount control method.
Background technique
Revolving speed with torque inner ring, magnetic linkage closed-loop vector control system simulation model in, wherein DC power supply DC, inversion
The main circuit of device inverter, motor motor and motor measurement module, the driving signal of inverter is by stagnant ring pulse generation
Device module generates.Three adjusters ASR, ATR and ApsiR are the pi regulators with output violent change.Flux linkage observation uses
Flux linkage model on two-phase synchronous rotating frame, function module Fcn are used for calculating torque, and dq0-to-abc module is used for 2r/
The coordinate of 3s is converted.In control circuit, direct torque inner ring is increased after der Geschwindigkeitkreis, the output of speed regulator ASR is
The given Te* of torque controller ATR, and the feedback signal Te of torque, then obtained by vector controlled equation.
Motor is in bringing onto load operational process, and there are high load conditions, and revolving speed is slow at this time, and torque demand is big, needs pair
The electric current of motor is controlled, and the torque of motor is increased, and only the revolving speed with motor and can not know the actual loading of motor
Size, therefore cannot achieve the accurate control to motor operating state.
Summary of the invention
The purpose of the present invention is to provide a kind of speed with torque inner ring and magnetic linkage two close cycles vector control method, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of speed with torque inner ring and magnetic linkage pair close
Ring vector control method, including DC power supply, inverter, filter and motor, the DC power supply, inverter, filter
It is sequentially connected with motor, measurement module is installed on the motor, the measurement module includes for detecting electronic owner
The speed detection unit of axle speed parameter and flux measurement unit for detecting motor winding torque, the velocity measuring list
Control terminal of the data back that the first and described flux measurement unit will test to the inverter, the DC power supply and the filter
Compensating module is additionally provided between wave device, the compensating module is according to the output parameter of the measurement module to the defeated of the motor
Enter to compensate.
Preferably, the inverter includes switch control unit, single-phase bridge triode trigger unit and three-phase bridge type inverse
Unit, the switch control unit control the fortune of the three-phase bridge type inverse unit by the single-phase bridge triode trigger unit
Row state.
Preferably, the switch control unit is the independent current source element with timing function, the single-phase bridge triode
Trigger unit is connected to the output end of the switch control unit and the triggering end of the three-phase bridge type inverse unit control element.
Preferably, the compensating module is compensation inverter, the structure of the structure of the compensating module and the inverter
It is identical.
Preferably, signal trigger unit is all had on the inverter and compensating module, and believed with the measurement module
Number connection.
Preferably, the inverter and the compensating module are connected in the output end of the DC power supply in parallel.
Compared with prior art, the beneficial effects of the present invention are: by being equipped with speed detection unit and magnetic linkage in motor
The measurement module of detection unit, and be connected in the inverter of supply motor energy input, closed loop feedback control is formed, inspection is worked as
The revolving speed for measuring motor is slow, and when the electromagnetism winding torque being subject to is high, controls the output energy of inverter, therefore improve motor
Output power, and be equipped with a compensating module being connected in parallel in DC power supply, can be significantly increased to instantaneously to the defeated of motor
Enter power, obtain biggish rotating torque, therefore quickly tide over dead point, and by inertia even running, reduces high current to electricity
The injury of machine winding.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is inverter control schematic diagram of the invention；
In figure: 1, DC power supply；2, inverter；21, switch control unit；22, single-phase bridge triode trigger unit；23,
Three-phase bridge type inverse unit；3, filter；4, motor；5, measurement module；51, speed detection unit；52, flux measurement list
Member；6, compensating module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of speed with torque inner ring and magnetic linkage two close cycles arrow
Amount control method, including DC power supply 1, inverter 2, filter 3 and motor 4, DC power supply 1, inverter 2,3 and of filter
Motor 4 is sequentially connected with, and measurement module 5 is equipped on motor 4, and measurement module 5 includes for detecting 4 spindle speed of motor
The speed detection unit 51 of parameter and flux measurement unit 52 for detecting 4 winding torque of motor, speed detection unit 51
The data back that will test with flux measurement unit 52 is also set between DC power supply 1 and filter 3 to the control terminal of inverter 2
There is compensating module 6, compensating module 6 compensates the input of motor 4 according to the output parameter of measurement module 5.
In the present embodiment, DC power supply 1, inverter 2, filter 3 and motor 4 are sequentially connected with, and DC power supply 1 exports directly
Galvanic electricity source, the DC current for then being exported DC power supply by inverter 2, direct current are converted to alternating current, firstly, oscillation electricity
Direct current is converted to alternating current by road；Secondly, irregular alternating current is become square wave alternating-current electricity by coil boosting；Finally, rectification makes
Obtaining alternating current becomes sine wave alternating current via square wave, and the final purpose of inverter is ac signal to be exported, and to be guaranteed
Output signal is desired signal and undistorted, therefore is equipped with filter 3 in 2 output end of inverter, and filter circuit, which filters out, not to be needed
Signal, inhibit the appearance of noise and interference signal in final output signal, measurement module 5 be installed on motor 4, measure mould
Block 5 includes speed detection unit 51 for detecting 4 spindle speed parameter of motor and for detecting 4 winding torque of motor
Flux measurement unit 52, revolving speed measures the speed of mainshaft using speed probe, and exports rotary speed parameter, for magnetic linkage
Motor stator temperature is read in detection；It is tabled look-up with the motor stator temperature of reading, obtains the initial magnetic linkage of permanent magnet；Judgement master
Dynamic short circuit instruction；Judge whether motor speed is more than inflection point revolving speed；Implement actively short circuit；Detect any biphase current, rotor position
It sets, calculates phase current magnitude and motor speed；It is tabled look-up again by it to permanent magnet flux linkage, obtains phase under different permanent magnet flux linkage numerical value
Current amplitude, revolving speed obtain the magnetic linkage parameter of motor to permanent magnet flux linkage relation curve, with this, and magnetic linkage is detected as in motor
The power that winding is subject in magnetic field, therefore can reflect out the size of torque, speed detection unit 51 and flux measurement unit 52
The data back that will test can change the voltage swing being output in motor by inverter 2 to the control terminal of inverter 2,
Therefore it realizes the control to motor torque, compensating module 6,6 basis of compensating module is additionally provided between DC power supply 1 and filter 3
The output parameter of measurement module 5 compensates the input of motor 4, can not due to the power limited that inverter 2 may export
Meet the power inputted to motor, therefore is provided with the compensation that compensating module 6 carries out power.
Specifically, inverter 2 includes switch control unit 21, single-phase bridge triode trigger unit 22 and three-phase bridge type inverse
Unit 23, switch control unit 21 control the operation shape of three-phase bridge type inverse unit 23 by single-phase bridge triode trigger unit 22
State, inverter 2 complete crucial function by inverter bridge, inverter bridge by controlling bridge thereon, lower bridge device for power switching is led
On-off open state, so that obtaining 120 ° of phase mutual deviation of three-phase alternating current on output end U, V, W three-phase, therefore by single-phase
Bridge triode trigger unit 22 control single-phase bridge turn-on time be controllable actual output voltage wave crest, successively increase or
The size of the power exported to motor is reduced, and the turn-on time for controlling control single-phase bridge is provided by switch control unit 21
Trigger kinetic energy.
Specifically, switch control unit 21 is the independent current source element with timing function, the triggering of single-phase bridge triode is single
Member 22 is connected to the triggering end of 23 control element of output end and three-phase bridge type inverse unit of switch control unit 21, according to speed
The testing result of detection unit 51 and flux measurement unit 52, switch control unit 21 are closed according to preset parameter, setting
Suitable triggered time interval, that is, the turn-on time of switching device control the output duration of voltage signal, obtain different electricity
Crest height is pressed, achievees the purpose that control power input to machine, it is inverse that single-phase bridge triode trigger unit 22 is connected to three-phase bridge
Become on the switching device of unit 23, the conducting for control switch device.
Specifically, compensating module 6 is compensation inverter, the structure of compensating module 6 is identical as the structure of inverter 2, therefore
Can output voltage in motor in the same direction, power input to a machine can be compensated, increase the adaptation range of motor.
Specifically, all having signal trigger unit on inverter 2 and compensating module 6, and connect with 5 signal of measurement module
It connects, when the data of speed detection unit 51 and the feedback of flux measurement unit 52 reach preset value, can just trigger inverter 2 and mend
The signal trigger unit in module 6 is repaid, is started to power input to a machine compensation function.
Specifically, inverter 2 and compensating module 6 are connected in the output end of DC power supply 1, therefore inverter 2 and benefit in parallel
Repay the ability that module 6 all has instantaneous output relatively high power.
The working principle of the invention and process for using: after the present invention installs, DC power supply 1 exports DC power supply, connects
The DC current for being exported DC power supply by inverter 2, direct current be converted to alternating current, firstly, oscillating circuit is by direct current
Electricity is converted to alternating current；Secondly, irregular alternating current is become square wave alternating-current electricity by coil boosting；Finally, rectification is so that alternating current
Become sine wave alternating current via square wave, the final purpose of inverter is ac signal to be exported, and to guarantee output signal
It is desired signal and undistorted, therefore is equipped with filter 3 in 2 output end of inverter, filter circuit filters out unwanted signal, presses down
The appearance of noise and interference signal in final output signal processed, measurement module 5 is equipped on motor 4, and measurement module 5 includes using
Speed detection unit 51 in detection 4 spindle speed parameter of motor and flux measurement for detecting 4 winding torque of motor
Unit 52, revolving speed measures the speed of mainshaft using speed probe, and exports rotary speed parameter, and magnetic linkage is detected as in motor
The power that winding is subject in magnetic field, therefore can reflect out the size of torque, speed detection unit 51 and flux measurement unit 52
The data back that will test can change the voltage swing being output in motor by inverter 2 to the control terminal of inverter 2,
Therefore it realizes the control to motor torque, compensating module 6,6 basis of compensating module is additionally provided between DC power supply 1 and filter 3
The output parameter of measurement module 5 compensates the input of motor 4, can not due to the power limited that inverter 2 may export
Meet the power inputted to motor, therefore is provided with the compensation that compensating module 6 carries out power.
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that first device is coupled to second device, then representing the first device can be directly electrically coupled to
The second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification is subsequent
It is described as implementing the better embodiment of the application, so the description is for the purpose of the rule for illustrating the application, not
To limit scope of the present application.The protection scope of the application is as defined by the appended claims.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
Several preferred embodiments of the invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through within that scope of the inventive concept describe herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection scope of bright appended claims.
Claims (6)
1. a kind of speed with torque inner ring and magnetic linkage two close cycles vector control method, it is characterised in that: including DC power supply
(1), inverter (2), filter (3) and motor (4), the DC power supply (1), inverter (2), filter (3) and electronic
Machine (4) is sequentially connected with, and is equipped with measurement module (5) on the motor (4), and the measurement module (5) includes for detecting electricity
The speed detection unit (51) of motivation (4) spindle speed parameter and flux measurement list for detecting motor (4) winding torque
The data back that first (52), the speed detection unit (51) and the flux measurement unit (52) will test is to the inverter
(2) control terminal is additionally provided with compensating module (6), the compensating module between the DC power supply (1) and the filter (3)
(6) input of the motor (4) is compensated according to the output parameter of the measurement module (5).
2. a kind of speed with torque inner ring according to claim 1 and magnetic linkage two close cycles vector control method, feature
Be: the inverter (2) includes switch control unit (21), single-phase bridge triode trigger unit (22) and three-phase bridge type inverse
Unit (23), the switch control unit (21) control the three-phase bridge by the single-phase bridge triode trigger unit (22)
The operating status of inversion unit (23).
3. a kind of speed with torque inner ring according to claim 2 and magnetic linkage two close cycles vector control method, feature
Be: the switch control unit (21) is the independent current source element with timing function, and the single-phase bridge triode triggering is single
First (22) are connected to the output end and the three-phase bridge type inverse unit (23) control element of the switch control unit (21)
Triggering end.
4. a kind of speed with torque inner ring according to claim 3 and magnetic linkage two close cycles vector control method, feature
Be: the compensating module (6) is compensation inverter, the structure and the structure phase of the inverter (2) of the compensating module (6)
Together.
5. a kind of speed with torque inner ring according to claim 1 and magnetic linkage two close cycles vector control method, feature
Be: all having signal trigger unit on the inverter (2) and compensating module (6), and with the measurement module (5) signal
Connection.
6. a kind of speed with torque inner ring according to claim 1 and magnetic linkage two close cycles vector control method, feature
Be: the inverter (2) and the compensating module (6) are connected in the output end of the DC power supply (1) in parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910180617.9A CN109768747A (en) | 2019-03-11 | 2019-03-11 | A kind of speed with torque inner ring and magnetic linkage two close cycles vector control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910180617.9A CN109768747A (en) | 2019-03-11 | 2019-03-11 | A kind of speed with torque inner ring and magnetic linkage two close cycles vector control method |
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| CN109768747A true CN109768747A (en) | 2019-05-17 |
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| CN201910180617.9A Pending CN109768747A (en) | 2019-03-11 | 2019-03-11 | A kind of speed with torque inner ring and magnetic linkage two close cycles vector control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802622A (en) * | 2019-03-11 | 2019-05-24 | 江苏罗宾康自动化科技有限公司 | A kind of compensation of delay device based on low switching frequency control |
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| CN103929051A (en) * | 2013-01-16 | 2014-07-16 | 洛克威尔自动控制技术股份有限公司 | Method and apparatus for controlling power converter with inverter output filter |
| CN105743330A (en) * | 2016-04-01 | 2016-07-06 | 浙江大学 | Single support vector machine (SVM) simplified modulation algorithm of dual inverters |
| CN108418502A (en) * | 2018-01-19 | 2018-08-17 | 江苏大学 | A kind of permanent magnet synchronous motor based on improvement type SVPWM opens the fault-tolerant Direct Torque Control of winding |
| CN108631696A (en) * | 2017-03-20 | 2018-10-09 | 上海汽车集团股份有限公司 | Motor control method and device, temperature checking method and device, EPS for EPS |
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2019
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103929051A (en) * | 2013-01-16 | 2014-07-16 | 洛克威尔自动控制技术股份有限公司 | Method and apparatus for controlling power converter with inverter output filter |
| CN105743330A (en) * | 2016-04-01 | 2016-07-06 | 浙江大学 | Single support vector machine (SVM) simplified modulation algorithm of dual inverters |
| CN108631696A (en) * | 2017-03-20 | 2018-10-09 | 上海汽车集团股份有限公司 | Motor control method and device, temperature checking method and device, EPS for EPS |
| CN108418502A (en) * | 2018-01-19 | 2018-08-17 | 江苏大学 | A kind of permanent magnet synchronous motor based on improvement type SVPWM opens the fault-tolerant Direct Torque Control of winding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109802622A (en) * | 2019-03-11 | 2019-05-24 | 江苏罗宾康自动化科技有限公司 | A kind of compensation of delay device based on low switching frequency control |
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Application publication date: 20190517 |