CN206023641U - A kind of motor torque control system based on FOC - Google Patents
A kind of motor torque control system based on FOC Download PDFInfo
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- CN206023641U CN206023641U CN201620280801.2U CN201620280801U CN206023641U CN 206023641 U CN206023641 U CN 206023641U CN 201620280801 U CN201620280801 U CN 201620280801U CN 206023641 U CN206023641 U CN 206023641U
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Abstract
This utility model is related to a kind of motor torque control system based on FOC, and wherein described system includes the first feedback module, the second feedback module, PID modules, the 2nd PID modules, PARK inverter modules, PWM module, high-frequency switch module, CLARK conversion modules, PARK conversion modules, rotor-position sensor module and motor.Using the motor torque control system based on FOC of this kind of structure, it is 90 ° of electrical angles that controlled motor angle of torsion is permanent, CLARK conversion, PARK conversion and anti-PARK conversion are carried out to electric machine phase current successively, static axial system voltage is exported in conjunction with PID control and sets up flux linkage space circular trace, the constant electromagnetic torque of controlled output, form the space vector of voltage of circular rotating, it is ensured that torque exports the torque maximum that steady and per unit stator current is produced, and greatly promotes electric efficiency.
Description
Technical field
This utility model is related to field of mechanical technique, more particularly to motor, specifically refers to a kind of motor torque based on FOC
Control system.
Background technology
In prior art, motor power consumption is big, efficiency conversion efficiency is low.In recent years, Field orientable control（Field
Oriented Control, FOC）Show one's talent, FOC becomes more favourable, its reason is to realize the cost needed for the technology
No longer it has been a limiting factor.Present digital signal controller single-chip microcomputer causes the high senior motor control algorithms of cost performance
Eventually become reality.Low noise, low torque ripple and good direct torque is required in larger velocity interval.Field orientation
The realization of control can use position sensor, such as encoder, rotary transformer or Hall element.But, it is not
All of Motor control Application is required for the fineness that rotary transformer or encoder are provided；And, under many circumstances, application
Zero-speed control is not needed.
Utility model content
The purpose of this utility model is the shortcoming for overcoming above-mentioned prior art, there is provided one kind is able to ensure that torque is exported
The torque maximum that steady and per unit stator current is produced, greatly promotes the motor torque control system based on FOC of electric efficiency
System.
To achieve these goals, the motor torque control system based on FOC of the present utility model has following composition：
Should motor torque control system based on FOC, which is mainly characterized by, described system include the first feedback module,
Second feedback module, PID modules, the 2nd PID modules, PARK inverter modules, PWM module, high-frequency switch module,
CLARK conversion modules, PARK conversion modules, rotor-position sensor module and motor；The of the first described feedback module
The first input end of one input and the second described feedback module connects outside input, described the first feedback module defeated
Go out end to be connected with the input of described PID modules, the outfan and described second of described the second feedback module
The outfan of PID modules is connected, and the of the described PARK conversion modules of the second input termination of described the first feedback module
One outfan, the second input of the second described feedback module are connected with the second outfan of described PARK conversion modules
Connect, the outfan of described PID modules is connected with the first input end of described PARK inverter modules, described
The outfan of two PID modules is connected with the second input of described PARK inverter modules, described PARK inverter moulds
First outfan of block is connected with the first input end of described PWM module, and the second of described PARK inverter modules is defeated
Go out end to be connected with the second input of described PWM module, the outfan and described HF switch mould of described PWM module
The input of block is connected, the described outfan of high-frequency switch module and the input of described motor and described
The input of CLARK conversion modules is connected, the outfan of described motor and the input of described rotor-position sensor
It is connected, the first outfan of described rotor-position sensor is connected with the first input end of described PARK conversion modules
Connect, the second outfan of described rotor-position sensor is connected with the 3rd input of described PARK inverter modules,
First outfan of described CLARK conversion modules is connected with the second input of described PARK conversion modules, described
Second outfan of CLARK conversion modules is connected with the 3rd input of described PARK conversion modules.
Further, described PWM module is SVPWM modules.
Further, described high-frequency switch module is MOSFET modules.
The motor torque control system based on FOC in the utility model is employed, it is 90 ° of electricity that controlled motor angle of torsion is permanent
Angle, carries out CLARK conversion, PARK conversion and anti-PARK conversion successively, exports stationary shaft in conjunction with PID control to electric machine phase current
It is voltage and sets up flux linkage space circular trace that the constant electromagnetic torque of controlled output forms the voltage space arrow of circular rotating
Amount, it is ensured that torque exports the torque maximum that steady and per unit stator current is produced, and greatly promotes electric efficiency.
Description of the drawings
Fig. 1 is the structural representation of the motor torque control system based on FOC of the present utility model.
Specific embodiment
In order to more clearly describe technology contents of the present utility model, enter traveling one with reference to specific embodiment
The description of step.
Refer to shown in Fig. 1, the motor torque control system based on FOC of the present utility model include the first feedback module,
Second feedback module, PID modules, the 2nd PID modules, PARK（Parker）Inverter module, PWM module, HF switch mould
Block, CLARK conversion（Clare converts）Module, PARK conversion（Park Transformation）Module, rotor-position sensor module and electricity
Machine；The first input end of the first input end of the first described feedback module and the second described feedback module connects outside defeated
Enter, the outfan of the first described feedback module is connected with the input of described PID modules, described second feedback
The outfan of module is connected with the outfan of the 2nd described PID modules, the second input of described the first feedback module
The first outfan of described PARK conversion modules is connect, the second input of the second described feedback module is become with described PARK
Second outfan of mold changing block is connected, and the of the outfan of described PID modules and described PARK inverter modules
One input is connected, the outfan of described the 2nd PID modules and the second input phase of described PARK inverter modules
Connection, the first outfan of described PARK inverter modules is connected with the first input end of described PWM module, described
Second outfan of PARK inverter modules is connected with the second input of described PWM module, described PWM module defeated
Go out end to be connected with the input of described high-frequency switch module, the outfan and described motor of described high-frequency switch module
Input and the input of described CLARK conversion modules be connected, the outfan and described rotor of described motor
The input of position sensor is connected, first outfan and described PARK conversion modules of described rotor-position sensor
First input end be connected, second outfan and the of described PARK inverter modules of described rotor-position sensor
Three inputs are connected, and described the first outfan of CLARK conversion modules is input into the second of described PARK conversion modules
End is connected, and the second outfan of described CLARK conversion modules is connected with the 3rd input of described PARK conversion modules
Connect.
In a preferred embodiment, described PWM module is SVPWM modules.
In a preferred embodiment, described high-frequency switch module is MOSFET modules.
The motor torque control system based on FOC in the utility model is employed, it is 90 ° of electricity that controlled motor angle of torsion is permanent
Angle, carries out CLARK conversion, PARK conversion and anti-PARK conversion successively, exports stationary shaft in conjunction with PID control to electric machine phase current
It is voltage and sets up flux linkage space circular trace that the constant electromagnetic torque of controlled output forms the voltage space arrow of circular rotating
Amount, it is ensured that torque exports the torque maximum that steady and per unit stator current is produced, and greatly promotes electric efficiency.
In technical scheme based on the motor torque control system of FOC of the present utility model, each wherein included work(
Energy module and modular unit can correspond to the particular hardware circuit in integrated circuit structure, therefore only relate to particular hardware electricity
The improvement on road, hardware components not only only belong to the carrier for executing control software or computer program, therefore solve corresponding
Technical problem simultaneously obtains the application that corresponding technique effect is also not directed to any control software or computer program, that is,
Say, this utility model just with the hardware circuit involved by these modules and unit in terms of improvement can solve institute
Technical problem to be solved, and corresponding technique effect is obtained, and and need not aid in specific control software or calculating
Machine program can realize corresponding function.
Above-described embodiment is this patent preferred embodiment, is not used for limiting practical range of the present utility model, ability
On the premise of without departing from this utility model principle, improvements introduced, change, combination, replacement etc. are belonged to the technical staff in domain
Within the scope of this utility model claim is claimed.
In this description, this utility model is described with reference to its specific embodiment.But it is clear that still can be with
Various modification can be adapted and conversion is without departing from spirit and scope of the present utility model.Therefore, specification and drawings are considered as
Illustrative and not restrictive.
Claims (3)
1. a kind of motor torque control system based on FOC, it is characterised in that described system include the first feedback module,
Two feedback modules, PID modules, the 2nd PID modules, PARK inverter modules, PWM module, high-frequency switch module, CLARK
Conversion module, PARK conversion modules, rotor-position sensor module and motor；First input of the first described feedback module
The first input end of end and described the second feedback module connects outside input, the outfan of described the first feedback module with
The input of described PID modules is connected, the outfan of described the second feedback module and the 2nd described PID modules
Outfan be connected, the first output of the described PARK conversion modules of the second input termination of described the first feedback module
End, the second input of the second described feedback module is connected with the second outfan of described PARK conversion modules, described
The outfan of PID modules be connected with the first input end of described PARK inverter modules, the 2nd described PID moulds
The outfan of block is connected with the second input of described PARK inverter modules, and the first of described PARK inverter modules
Outfan is connected with the first input end of described PWM module, the second outfan of described PARK inverter modules and institute
Second input of the PWM module that states is connected, the outfan of described PWM module and the input of described high-frequency switch module
End is connected, and the described outfan of high-frequency switch module becomes mold changing with the input of described motor and described CLARK
The input of block is connected, and the outfan of described motor is connected with the input of described rotor-position sensor, described
The first outfan of rotor-position sensor be connected with the first input end of described PARK conversion modules, described rotor
Second outfan of position sensor is connected with the 3rd input of described PARK inverter modules, and described CLARK becomes
First outfan of mold changing block is connected with the second input of described PARK conversion modules, described CLARK conversion modules
The second outfan be connected with the 3rd input of described PARK conversion modules.
2. the motor torque control system based on FOC according to claim 1, it is characterised in that described PWM module is
SVPWM modules.
3. the motor torque control system based on FOC according to claim 1, it is characterised in that described HF switch
Module is MOSFET modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280801.2U CN206023641U (en) | 2016-04-07 | 2016-04-07 | A kind of motor torque control system based on FOC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280801.2U CN206023641U (en) | 2016-04-07 | 2016-04-07 | A kind of motor torque control system based on FOC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023641U true CN206023641U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620280801.2U Expired - Fee Related CN206023641U (en) | 2016-04-07 | 2016-04-07 | A kind of motor torque control system based on FOC |
Country Status (1)
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| CN (1) | CN206023641U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871279A (en) * | 2016-04-07 | 2016-08-17 | 无锡矽瑞微电子股份有限公司 | Magnetic field-oriented control motor control system |
| CN109302245A (en) * | 2018-10-11 | 2019-02-01 | 北京布科思科技有限公司 | A kind of antenna alignment method and device |
| CN110729933A (en) * | 2018-07-17 | 2020-01-24 | 中车株洲电力机车研究所有限公司 | Asynchronous modulation-based alternating current motor torque control method and system |
-
2016
- 2016-04-07 CN CN201620280801.2U patent/CN206023641U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871279A (en) * | 2016-04-07 | 2016-08-17 | 无锡矽瑞微电子股份有限公司 | Magnetic field-oriented control motor control system |
| CN110729933A (en) * | 2018-07-17 | 2020-01-24 | 中车株洲电力机车研究所有限公司 | Asynchronous modulation-based alternating current motor torque control method and system |
| CN110729933B (en) * | 2018-07-17 | 2021-06-08 | 中车株洲电力机车研究所有限公司 | Asynchronous modulation-based alternating current motor torque control method and system |
| CN109302245A (en) * | 2018-10-11 | 2019-02-01 | 北京布科思科技有限公司 | A kind of antenna alignment method and device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20190407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |