CN106787987A - A kind of synchronous magnetoelectric machine automatic control system - Google Patents

A kind of synchronous magnetoelectric machine automatic control system Download PDF

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Publication number
CN106787987A
CN106787987A CN201710218593.2A CN201710218593A CN106787987A CN 106787987 A CN106787987 A CN 106787987A CN 201710218593 A CN201710218593 A CN 201710218593A CN 106787987 A CN106787987 A CN 106787987A
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CN
China
Prior art keywords
microcontroller
motor
inverter
mos
automatic control
Prior art date
Application number
CN201710218593.2A
Other languages
Chinese (zh)
Inventor
徐彪
吴鹏英
黄云龙
李传宝
徐中亮
徐中峰
王安山
Original Assignee
合肥德仁智能科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 合肥德仁智能科技有限公司 filed Critical 合肥德仁智能科技有限公司
Priority to CN201710218593.2A priority Critical patent/CN106787987A/en
Publication of CN106787987A publication Critical patent/CN106787987A/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/14Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08Arrangements for controlling the speed or torque of a single motor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2203/00Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor
    • H02P2203/03Determination of the rotor position, e.g. initial rotor position, during standstill or low speed operation

Abstract

The invention discloses a kind of synchronous magnetoelectric machine automatic control system, including microcontroller, microcontroller is connected with controller power source module, CAN transceiver, USB and turns serial port module, MOS drive modules, photoelectric encoder and amplifier, and MOS drive modules are connected with MOS driving power modules;Microcontroller is connected with CAN interface by CAN transceiver, and microcontroller turns serial port module and is connected with USB interface by USB;MOS drive modules are connected with inverter, motor in turn, and inverter is connected with motor drive power supply module;Photoelectric encoder is connected with motor, and photoelectric encoder is connected with microcontroller;Amplifier is connected with sampling resistor, and sampling resistor is connected with motor.The present invention sets sampling resistor, photoelectric encoder is set on rotor axis of electric by motor stator, is easy to gather stator current and motor rotor position signal, so as to regulate and control stator current, update rotor-position coordinate and regulation and control spinner velocity.

Description

A kind of synchronous magnetoelectric machine automatic control system

Technical field

The invention belongs to automatic control technology field, more particularly to a kind of synchronous magnetoelectric machine automatic control system.

Background technology

With continuing to develop for embedded Control technology and Power Electronic Technique, and material science and electric machines control technology Constantly improve, drive technology is gradually from DC Transmission to AC Drive transition.Usual Alternating Current Governor System is divided into asynchronous electric Machine governing system and Speed-controlled System of Synchronous Motor.Compared to asynchronous motor, synchronous motor has that power factor is high, rotor is joined The advantage such as number can be surveyed, efficiency high, control performance are good.At present, permagnetic synchronous motor is in automatic control system, usually open loop or Half-closed loop control, its control accuracy is not high, and is not easy to monitor in real time, accordingly, it would be desirable to a kind of automatic control system is designed, with Just real-time closed-loop control is carried out to permagnetic synchronous motor.

The content of the invention

It is an object of the invention to provide a kind of synchronous magnetoelectric machine automatic control system.

The present invention is achieved by the following technical solutions:

The present invention be a kind of synchronous magnetoelectric machine automatic control system, including microcontroller, MOS drive modules, photoelectricity compile Code device, inverter, sampling resistor, amplifier and motor, wherein motor include stator and rotor;The MOS drive modules are used for The control instruction of microcontroller is received, then by inverter control motor rotation;The sampling resistor is connected to determining for motor Son, then samples, and the stator current of sampling is put by amplifier to stator current in real time in motor operation course Microcontroller is reached after big treatment be analyzed treatment, it is then real-time through MOS drive modules, inverter successively by microcontroller again Regulation and control motor threephase stator electric current;The photoelectric encoder is connected to the armature spindle of motor, for motor in real time rotor Position signalling simultaneously sends it to microcontroller, and microcontroller is analyzed treatment to the rotor-position signal for receiving, and then updates Rotor position information, while calculating real-time speed signal according to position signalling, is then driven through MOS successively by microcontroller Module, inverter regulation and control motor speed.

Further, the system also includes the CAN transceiver being connected with microcontroller, and microcontroller passes through CAN transceiver CAN interface is connected with, the transmitting-receiving that the CAN transceiver is used for CAN signal is transmitted.

Further, the system also includes that the USB being connected with microcontroller turns serial port module, and microcontroller is turned by USB Serial port module is connected with USB interface, and the USB turns serial port module for the serial ports of microcontroller to be changed to usb mode.

Further, the photoelectric encoder is incremental optical-electricity encoder.

Further, the microcontroller is connected with controller power source module, and inverter is connected with motor drive power supply mould Block, MOS drive modules are connected with MOS driving power modules;The controller power source module, motor drive power supply module, MOS drive Dynamic power module is used for respectively to microcontroller, inverter, power supply signal needed for MOS drive module offers work operation.

Further, the microcontroller is single-chip microcomputer, and inverter is three-phase bridge type converter, and motor is that three-phase permanent is same Step motor.

The invention has the advantages that:

The present invention is easy to gather stator current, then by amplifier pair by setting sampling resistor on motor stator Sample rate current is amplified treatment, so as to be conducive to microcontroller real-time monitoring motor stator electric current, forms closed-loop control;Pass through Photoelectric encoder is set on rotor axis of electric, is easy to gather motor rotor position signal, then by motor rotor position signal Microcontroller is fed back to, so as to be conducive to microcontroller real-time update rotor-position coordinate, while it is easy to grasp the speed of rotor, So as to carry out real-time monitoring to rotor speed, closed-loop control is formed;By setting CAN interface and USB interface, it is easy to according to circumstances Selection any of which interface mode be connected with host computer so that realize with host computer interactive correspondence, be also beneficial to remotely supervise Control.

Certainly, implement any product of the invention to it is not absolutely required to while reaching all the above advantage.

Brief description of the drawings

Fig. 1 is a kind of composition frame chart of synchronous magnetoelectric machine automatic control system of the invention.

Specific embodiment

Refer to shown in Fig. 1, the present invention is a kind of synchronous magnetoelectric machine automatic control system, including microcontroller, micro-control Device processed is connected with controller power source module, CAN transceiver, USB and turns serial port module, MOS drive modules, photoelectric encoder and amplification Device, wherein MOS drive modules are connected with MOS driving power modules.

Wherein, microcontroller is single-chip microcomputer, from STM32 series monolithics, the preferably list of model STM32F103VET6 Piece machine;CAN transceiver, USB turn serial port module respectively with microcontroller interactive correspondence, microcontroller by CAN transceiver connect There is CAN interface, microcontroller turns serial port module and is connected with USB interface by USB;The input and microcontroller of MOS drive modules The output end of device is connected, and the output end of MOS drive modules is connected with inverter, motor in turn, and the input of inverter is connected with Motor drive power supply module;The input of photoelectric encoder is connected with motor, output end and the microcontroller of photoelectric encoder Input is connected;The output end of amplifier is connected to the input of microcontroller, and the input of amplifier is connected with sampling resistor, Sampling resistor is connected with motor.

Wherein, MOS drive modules are used to receive the control instruction of microcontroller, are then transported by inverter control motor Turn;From ADUM3223 chips as MOS drivers, the chip has Magnetic isolation function to MOS drive modules, eliminates in outside Increase the space of isolation optocoupler device, inverter is three-phase bridge type converter, and motor is three-phase permanent magnet synchronous motor.

Wherein, sampling resistor is three, the threephase stator winding of motor is respectively connecting to, then in motor operation course Stator current is sampled in real time, and the stator current of sampling is carried out by reaching microcontroller after amplifier enhanced processing Analyzing and processing, then again by microcontroller successively through MOS drive modules, inverter real-time monitoring motor threephase stator electric current;Its Middle Amplifier Model selects AD8207.

Wherein, photoelectric encoder is incremental optical-electricity encoder, from the HEDM series photoelectricity rotary codings of Agilent Device, on the armature spindle of motor, position signalling for motor in real time rotor simultaneously sends it to microcontroller, micro-control Device processed is analyzed treatment to the rotor-position signal for receiving, and then realizes that the coordinate of rotor-position updates, while passing through position Signal of change draws real-time speed signal, and then microcontroller is successively through MOS drive modules, inverter regulation and control motor speed.

Wherein, USB turns serial port module for the serial ports of microcontroller to be changed to usb mode, from FT232RL cores Piece;CAN transceiver is passed as the signal transmission device between CAN interface and microcontroller, the transmitting-receiving for CAN signal It is defeated, it is used equally to connect host computer from SN65HVD230 chips CAN interface and USB interface, so as to realize being carried out with host computer Interactive correspondence, even remote monitoring.

Wherein, controller power source module is used to be powered to microcontroller, and power supply signal voltage is 3.3V, by a low voltage difference Linear voltage regulator is provided, the low pressure difference linear voltage regulator model NCP1117DT33 and LM3480-3.3, and the former is used for numeral electricity Road part, the latter is used for artificial circuit part;MOS driving power modules are used to be powered to MOS drive modules, and output voltage is 15V electric signals;It is 48V electric signals that motor drive power supply is used to provide voltage to inverter.

Finally it should be noted that present invention disclosed above preferred embodiment is only intended to help illustrates the present invention.It is excellent The embodiment not all of details of detailed descriptionthe is selected, it is only described specific embodiment that the invention is not limited yet.Obviously, root According to the content of this specification, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, be in order to Principle of the invention and practical application are preferably explained, so that skilled artisan can be best understood by and utilize The present invention.The invention is limited only by the claims and the full scope thereof and equivalents thereof.

Claims (6)

1. a kind of synchronous magnetoelectric machine automatic control system, it is characterised in that:Compiled including microcontroller, MOS drive modules, photoelectricity Code device, inverter, sampling resistor, amplifier and motor, wherein motor include stator and rotor;
The MOS drive modules are used to receive the control instruction of microcontroller, then by inverter control motor rotation;
The sampling resistor is connected to the stator of motor, and then stator current is sampled in real time in motor operation course, And the stator current of sampling is analyzed treatment by reaching microcontroller after amplifier enhanced processing, then again by microcontroller Device is successively through MOS drive modules, inverter real-time monitoring motor threephase stator electric current;
The photoelectric encoder is connected to the armature spindle of motor, and the position signalling for motor in real time rotor simultaneously sends it to Microcontroller, microcontroller is analyzed treatment to the rotor-position signal for receiving, and then updates rotor position information, while root Real-time speed signal is calculated according to position signalling, then by microcontroller successively through MOS drive modules, inverter regulation and control motor Rotating speed.
2. a kind of synchronous magnetoelectric machine automatic control system according to claim 1, it is characterised in that:The system also includes The CAN transceiver being connected with microcontroller, microcontroller is connected with CAN interface by CAN transceiver, and the CAN transceiver is used Transmitted in the transmitting-receiving of CAN signal.
3. a kind of synchronous magnetoelectric machine automatic control system according to claim 1, it is characterised in that:The system also includes The USB being connected with microcontroller turns serial port module, and microcontroller turns serial port module and is connected with USB interface, the USB by USB Turn serial port module for the serial ports of microcontroller to be changed to usb mode.
4. a kind of synchronous magnetoelectric machine automatic control system according to claim 1, it is characterised in that:The photoelectric coding Device is incremental optical-electricity encoder.
5. a kind of synchronous magnetoelectric machine automatic control system according to claim 1, it is characterised in that:The microcontroller Controller power source module is connected with, inverter is connected with motor drive power supply module, and MOS drive modules are connected with MOS and drive electricity Source module;The controller power source module, motor drive power supply module, MOS driving power modules be used for respectively to microcontroller, Inverter, power supply signal needed for MOS drive module offers work operation.
6. a kind of synchronous magnetoelectric machine automatic control system according to claim 1, it is characterised in that:The microcontroller It is single-chip microcomputer, inverter is three-phase bridge type converter, and motor is three-phase permanent magnet synchronous motor.
CN201710218593.2A 2017-04-05 2017-04-05 A kind of synchronous magnetoelectric machine automatic control system CN106787987A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710218593.2A CN106787987A (en) 2017-04-05 2017-04-05 A kind of synchronous magnetoelectric machine automatic control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710218593.2A CN106787987A (en) 2017-04-05 2017-04-05 A kind of synchronous magnetoelectric machine automatic control system

Publications (1)

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CN106787987A true CN106787987A (en) 2017-05-31

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CN201710218593.2A CN106787987A (en) 2017-04-05 2017-04-05 A kind of synchronous magnetoelectric machine automatic control system

Country Status (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102045012A (en) * 2010-09-15 2011-05-04 苏州凌创电子系统有限公司 Controller for permanent magnet synchronous brushless motor
CN201869153U (en) * 2010-10-29 2011-06-15 哈尔滨理工大学 Drive controller for permanent magnet synchronous motor of electromobile
WO2012118649A1 (en) * 2011-02-28 2012-09-07 Deere & Company System for controlling a motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102045012A (en) * 2010-09-15 2011-05-04 苏州凌创电子系统有限公司 Controller for permanent magnet synchronous brushless motor
CN201869153U (en) * 2010-10-29 2011-06-15 哈尔滨理工大学 Drive controller for permanent magnet synchronous motor of electromobile
WO2012118649A1 (en) * 2011-02-28 2012-09-07 Deere & Company System for controlling a motor

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