CN206585493U - A kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL - Google Patents
A kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL Download PDFInfo
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- CN206585493U CN206585493U CN201621444822.XU CN201621444822U CN206585493U CN 206585493 U CN206585493 U CN 206585493U CN 201621444822 U CN201621444822 U CN 201621444822U CN 206585493 U CN206585493 U CN 206585493U
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Abstract
The utility model discloses a kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL, belong to permagnetic synchronous motor control field.Permagnetic synchronous motor is controlled using explicit model forecast Control Algorithm, the motor status obtained in each sampling period to sampling, pass through binary tree search method or other searching methods, scanned in the Condition Areas obtained by discrete calculation, the explicit control rule of the Condition Areas and the area belonging to state is obtained, by the control output action obtained according to corresponding explicit control rule in permagnetic synchronous motor.The process in line computation is repeated in next use cycle, so as to improve defect of the conventional model PREDICTIVE CONTROL in line computation time length, the quick tracking performance and robustness of control system for permanent-magnet synchronous motor is enhanced.
Description
Technical field
The utility model belongs to permagnetic synchronous motor control field, and in particular to a kind of based on explicit model PREDICTIVE CONTROL
Control system for permanent-magnet synchronous motor.
Background technology
Permagnetic synchronous motor can receive much concern the advantages of power density height, efficiency high, big torque ratio of inertias, at present should
Control method for permagnetic synchronous motor mainly has two kinds：Vector controlled and Direct Torque Control.Model Predictive Control is near
The new more advanced control method of permagnetic synchronous motor control field is applied to over year, Model Predictive Control can pre- observing and controlling
Following state of permagnetic synchronous motor, and calculate by rolling optimization optimum control output in real time, but traditional model prediction
Control requirement must complete an Optimal calculation overall process within a sampling period, and high performance permagnetic synchronous motor servo
Control system, often requires that quick tracking is given, requires that the sampling time is as far as possible short for this, this just with traditional Model Predictive Control
Needed for the rolling optimization of algorithm the line computation time it is longer generate contradiction, thus limit model prediction control algorithm should
With.With the reduction in sampling period, conventional model predictive control algorithm in the line computation time accounts for the ratio in whole sampling period
To gradually it increase so that prediction output often lags behind reality output, so that the original intention of prediction is deviate from, or even in the sampling period
It is interior to complete to calculate, so that control failure.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the utility model proposes the permanent magnetism based on explicit model PREDICTIVE CONTROL
The control system of synchronous motor, can effectively shorten conventional model forecast Control Algorithm in the line computation time, add forever
The rapidity and accuracy of magnetic-synchro electric machine control system.
A kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL, is characterised by including three-phase alternating current
Source module, uncontrollable rectification module, regulating filtering module, three-phase inverting circuit, permagnetic synchronous motor, SRAM,
Aid in source module, drive circuit, current detection module, Position And Velocity sensor, dsp controller, jtag circuit, host computer.
As the further optimization of this programme, a kind of permanent magnet synchronous electric based on explicit model PREDICTIVE CONTROL of the utility model
Dsp controller described in machine control system includes, clark conversion modules, park conversion modules, park inverse transform modules, ePWM
Module, XINTF modules and A/D modular converters, described three-phase alternating current source module, uncontrollable rectification module, voltage regulation filtering mould
Block, three-phase inverting circuit and permagnetic synchronous motor are linked in sequence, and SRAM is used to store explicit model PREDICTIVE CONTROL
Condition Areas and the explicit control law corresponding to each Condition Areas, SRAM passes through XINTF and dsp controller
Explicit model PREDICTIVE CONTROL module be connected, the output of three-phase inverting circuit passes through A/D modular converters by current detection module
It is connected with clark conversion modules, the output of clark conversion modules passes through park conversion modules and explicit model PREDICTIVE CONTROL module
It is connected, speed is co-axially mounted with position sensor with permagnetic synchronous motor, the output of its position passes through A/D modular converters and park moulds
Block is connected, and speed output is connected with explicit model PREDICTIVE CONTROL module and is that park conversion modules and park inverse transform modules are provided
Angle of rotor positional information, the input of auxiliary power module is connected with the output of regulating filtering module, and it is to include static random
Memory, dsp controller and drive circuitry, the output of explicit model PREDICTIVE CONTROL module by park inverse transform modules with
EPWM modules are connected, and the output of ePWM modules is connected by the control end of drive circuit and three-phase inverter, host computer and DSP controls
Connected between device processed by jtag circuit, for carrying out mode etc. to DSP.
As the further optimization of this programme, a kind of permanent magnet synchronous electric based on explicit model PREDICTIVE CONTROL of the utility model
Machine control system, the Permanent Magnet Synchronous Motor Controller chip selects the TMS320F28335 chips of TI companies.
As the further optimization of this programme, a kind of permanent magnet synchronous electric based on explicit model PREDICTIVE CONTROL of the utility model
Inverter circuit described in machine control system selects three-phase voltage source type inverter circuit.
A kind of the utility model control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL has the beneficial effect that：
A. permagnetic synchronous motor is controlled using more advanced explicit model predictive control algorithm, calculated compared with traditional PID control
Method, this method cause control system for permanent-magnet synchronous motor have it is more quick, precisely and the characteristics of steady-state error can be eliminated.
B. by the online calculating process of conventional model PREDICTIVE CONTROL, be converted into off-line calculation storage table look-up lattice be added in line lookup
Mode so that in application permagnetic synchronous motor control process, change the mistake that original pure online calculating process is lookup table
Journey, can be searched using methods such as binary tree search methods, be substantially reduced in the line computation time, so as to compensate for traditional
The deficiency of model predictive control method.
Brief description of the drawings：
Accompanying drawing 1 is a kind of control system for permanent-magnet synchronous motor frame based on explicit model PREDICTIVE CONTROL of the present utility model
Figure.
Embodiment：
The utility model is described in further details below in conjunction with the accompanying drawings：
Referring to Fig. 1, the utility model is the control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL, including three
Cross streams power module, uncontrollable rectification module, regulating filtering module, three-phase inverting circuit, permagnetic synchronous motor, static random
Memory, auxiliary source module, drive circuit, current detection module, Position And Velocity sensor, dsp controller, jtag circuit,
Host computer.
As the further optimization of this programme, a kind of permanent magnet synchronous electric based on explicit model PREDICTIVE CONTROL of the utility model
Dsp controller described in machine control system includes, clark conversion modules, park conversion modules, park inverse transform modules, ePWM
Module, XINTF modules and A/D modular converters, described three-phase alternating current source module, uncontrollable rectification module, voltage regulation filtering mould
Block, three-phase inverting circuit and permagnetic synchronous motor are linked in sequence, and SRAM is used to store explicit model PREDICTIVE CONTROL
Condition Areas and the explicit control law corresponding to each Condition Areas, SRAM passes through XINTF and dsp controller
Explicit model PREDICTIVE CONTROL module be connected, the output of three-phase inverting circuit passes through A/D modular converters by current detection module
It is connected with clark conversion modules, the output of clark conversion modules passes through park conversion modules and explicit model PREDICTIVE CONTROL module
It is connected, speed is co-axially mounted with position sensor with permagnetic synchronous motor, the output of its position passes through A/D modular converters and park moulds
Block is connected, and speed output is connected with explicit model PREDICTIVE CONTROL module and is that park conversion modules and park inverse transform modules are provided
Angle of rotor positional information, the input of auxiliary power module is connected with the output of regulating filtering module, and it is to include static random
Memory, dsp controller and drive circuitry, the output of explicit model PREDICTIVE CONTROL module by park inverse transform modules with
EPWM modules are connected, and the output of ePWM modules is connected by the control end of drive circuit and three-phase inverter, host computer and DSP controls
Connected between device processed by jtag circuit, for carrying out mode etc. to DSP.
As the further optimization of this programme, a kind of permanent magnet synchronous electric based on explicit model PREDICTIVE CONTROL of the utility model
Machine control system, the Permanent Magnet Synchronous Motor Controller chip selects the TMS320F28335 chips of TI companies.
As the further optimization of this programme, a kind of permanent magnet synchronous electric based on explicit model PREDICTIVE CONTROL of the utility model
Inverter circuit described in machine control system selects three-phase voltage source type inverter circuit.
Explicit model forecast Control Algorithm by the online calculating process of conventional model PREDICTIVE CONTROL, be converted into off-line calculation and
The result of line computation two parts, wherein off-line calculation includes the explicit control law of Condition Areas and each Condition Areas of correspondence,
The explicit control law of the result phase subregion of off-line calculation and each Condition Areas of correspondence is stored in the form of lookup table
In SRAM, so as to complete off-line calculation part.So when implementing control permagnetic synchronous motor, explicit model
The online calculating process of PREDICTIVE CONTROL is searched the form in SRAM with regard to only leaving so that will be traditional
Pure online calculating process is converted into the process of lookup table, substantially reduces in the line computation time, extends Model Predictive Control
The application of algorithm.
Certain described above is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in essential scope of the present utility model, also belong to
In protection domain of the present utility model.
Claims (5)
1. a kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL, is characterised by including three-phase alternating-current supply
Module, uncontrollable rectification module, regulating filtering module, three-phase inverting circuit, permagnetic synchronous motor, SRAM is auxiliary
Help source module, drive circuit, current detection module, Position And Velocity sensor, dsp controller, jtag circuit, host computer, institute
The three-phase alternating current source module stated, uncontrollable rectification module, regulating filtering module, three-phase inverting circuit and permagnetic synchronous motor are suitable
Sequence is connected.
2. a kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL according to claim 1, it is special
Levy and be：Described dsp controller includes, clark conversion modules, park conversion modules, park inverse transform modules, ePWM moulds
Block, XINTF modules and A/D modular converters.
3. a kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL according to claim 1, it is special
Levy and be：SRAM is used for the Condition Areas for storing explicit model PREDICTIVE CONTROL and corresponding to the aobvious of each Condition Areas
Formula control law, SRAM is connected by XINTF with the explicit model PREDICTIVE CONTROL module of dsp controller, three-phase
The output of inverter circuit is connected by current detection module by A/D modular converters with clark conversion modules, and clark becomes mold changing
The output of block is connected by park conversion modules with explicit model PREDICTIVE CONTROL module, speed and position sensor and permanent-magnet synchronous
Motor coaxle is installed, and the output of its position is connected by A/D modular converters with park modules, speed output and the pre- observing and controlling of explicit model
Molding block is connected and is that park conversion modules and park inverse transform modules provide angle of rotor positional information, auxiliary power module
Input is connected with the output of regulating filtering module, and it is to include SRAM, dsp controller and drive circuitry,
The output of explicit model PREDICTIVE CONTROL module is connected by park inverse transform modules with ePWM modules, and the output of ePWM modules passes through
Drive circuit and three-phase inverter control end connection, connected between host computer and dsp controller by jtag circuit, for pair
DSP carries out mode.
4. a kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL according to claim 1, it is special
Levy and be：The Permanent Magnet Synchronous Motor Controller chip selects the TMS320F28335 chips of TI companies.
5. a kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL according to claim 1, it is special
Levy and be：The inverter circuit selects three-phase voltage source type inverter circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621444822.XU CN206585493U (en) | 2016-12-27 | 2016-12-27 | A kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL |
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| CN201621444822.XU CN206585493U (en) | 2016-12-27 | 2016-12-27 | A kind of control system for permanent-magnet synchronous motor based on explicit model PREDICTIVE CONTROL |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108829872A (en) * | 2018-06-22 | 2018-11-16 | 武汉轻工大学 | Immediate processing method, equipment, system and the storage medium of lossless compression file |
| CN114442601A (en) * | 2020-11-06 | 2022-05-06 | 郑州宇通客车股份有限公司 | Unmanned vehicle tracking control method and device |
| CN115333421A (en) * | 2022-02-22 | 2022-11-11 | 哈尔滨工业大学 | EMPC control method applied to new energy automobile motor |
-
2016
- 2016-12-27 CN CN201621444822.XU patent/CN206585493U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108829872A (en) * | 2018-06-22 | 2018-11-16 | 武汉轻工大学 | Immediate processing method, equipment, system and the storage medium of lossless compression file |
| CN108829872B (en) * | 2018-06-22 | 2021-03-09 | 武汉轻工大学 | Method, device, system and storage medium for rapidly processing lossless compressed file |
| CN114442601A (en) * | 2020-11-06 | 2022-05-06 | 郑州宇通客车股份有限公司 | Unmanned vehicle tracking control method and device |
| CN115333421A (en) * | 2022-02-22 | 2022-11-11 | 哈尔滨工业大学 | EMPC control method applied to new energy automobile motor |
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