CN108306564A - Axial magnetic field memory electrical machine control device - Google Patents
Axial magnetic field memory electrical machine control device Download PDFInfo
- Publication number
- CN108306564A CN108306564A CN201810351583.0A CN201810351583A CN108306564A CN 108306564 A CN108306564 A CN 108306564A CN 201810351583 A CN201810351583 A CN 201810351583A CN 108306564 A CN108306564 A CN 108306564A
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- China
- Prior art keywords
- magnetic field
- electrical machine
- field memory
- axial magnetic
- current
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- Legal status (The legal status 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 status listed.)
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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
- H02P21/0085—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for high speeds, e.g. above nominal speed
- H02P21/0089—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for high speeds, e.g. above nominal speed using field weakening
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
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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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of axial magnetic field memory electrical machine control devices, it include the dsp processor being connect with host computer, output end connection motor control module and the motor adjustable magnetic module of the dsp processor, input terminal connection voltage detection module, current detection module, adjustable magnetic current detection module and the rotary coding circuit of dsp processor.The present invention is by being arranged current sensor and voltage sensor, the electric current and voltage of detection axial magnetic field memory in real time, simple in structure, reasonable design, it is small, it is easily controllable, by the way that dsp processor is arranged, the electric current and voltage that detect axial magnetic field memory electrical machine are handled, obtain position and the rotating speed of axial magnetic field memory electrical machine rotor, control accuracy is high, highly practical, convenient for promoting the use of.
Description
Technical field
The present invention relates to motor control assembly more particularly to a kind of axial magnetic field memory electrical machine control devices.
Background technology
Permanent magnet synchronous motor has many advantages, such as power density is big, simple in structure, efficient, with permanent magnetic material performance
Constantly develop and improve so that magneto obtains extensive utilization in automobile, national defence, agricultural production and daily life.
And axial magnetic field memory electrical machine not only has the advantages that magneto, but also motor gas-gap can be changed by applying pulse current
The intensity in magnetic field widens the speed adjustable range of motor.This kind of motor not only reduces the cost of motor, and its basic performance refers to
Mark is better than permanent magnet synchronous motor, has a good application prospect in electric vehicle startup/generating integration device.
Currently, vector controlled makes AC Motor Control system obtain the DC speed regulation that can match in excellence or beauty by way of decoupling current
The performance of system, thus totally digitilized vector control mode becomes the main control mode of current Motor Control Field, but because complete
Digital vector control generates PWM drive signal using digital signal calculation process, approximate data need to be used to calculate carrier wave and three
Angle wave intercept point, thus error is inevitably generated, cause computational accuracy problem, it is final to influence motor control performance.
The principle of electromechanical energy conversion and vector control technology of axial magnetic field permanent magnet body memory electrical machine and traditional permanent-magnet synchronous
Motor is substantially the same, and characteristic is can to change permanent magnet magnetization intensity by filling degaussing pulse current in high-speed region
Method adjusts permanent magnet flux linkage, achievees the purpose that weak magnetism speed expansion.Currently, for the document master of this kind of memory electrical machine weak magnetic control research
It concentrates on justifying the motor permanent magnet flux linkage found out corresponding to given rotating speed using voltage limit, then passes through real-time query bivariate table
Obtain it is required fill degaussing pulse current, it is real finally by the level of magnetization for filling magnetic transformer and changing the motor permanent magnet
The change permanent magnet flux linkage control of existing high-speed region.But it is defeated that this kind of control algolithm can not obtain maximum power under given speed
Go out, reduces the efficiency of system to a certain extent.
Invention content
Goal of the invention：It is an object of the present invention to provide a kind of axial magnetic field memory electrical machine control devices, by detecting axial magnetic
The electric current and voltage of field memory electrical machine form double loop speed-regulating system, and obtaining axial magnetic field memory electrical machine by rotary encoder turns
The position of son, and achieve the purpose that weak magnetic raises speed by magnetic regulating device.
Technical solution：The present invention includes the dsp processor being connect with host computer, the output end connection of the dsp processor
Motor control module and motor adjustable magnetic module, the input terminal connection voltage detection module of dsp processor, current detection module, tune
Magnetic current detection module and rotary coding circuit.
The motor control module includes driving circuit I, inverter and axial magnetic field memory electrical machine.
The motor adjustable magnetic module includes driving circuit II, adjustable magnetic inverter and axial magnetic field memory electrical machine.
The current detection module includes current sensor I and current regulating circuit I, current regulating circuit I and electric current
The output end of sensor I connects, the input terminal of the other end connection dsp processor of current regulating circuit I.
The voltage detection module includes voltage sensor and voltage modulate circuit, voltage modulate circuit and voltage sensor
The output end of device connects, and the other end of voltage modulate circuit and the input terminal of dsp processor connect.
The adjustable magnetic current detection module includes current sensor II and current regulating circuit II, current regulating circuit II
It is connect with the output end of current sensor II, the input terminal of the other end connection dsp processor of current regulating circuit II.
The rotary coding circuit can detect axial magnetic field memory electrical machine spinner velocity.
Advantageous effect：The configuration of the present invention is simple, reasonable design is small, easy to control, by the way that dsp processor is arranged, to inspection
The electric current and voltage for measuring axial magnetic field memory electrical machine are handled, and are obtained the position of axial magnetic field memory electrical machine rotor and are turned
Speed, control accuracy is high, highly practical, convenient for promoting the use of.
Description of the drawings
Fig. 1 is the general frame figure of the present invention；
Fig. 2 is the inverter power circuit diagram of the present invention；
Fig. 3 is the adjustable magnetic inverter power circuit diagram of the present invention；
Fig. 4 is the work flow diagram of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the present invention includes the dsp processor 4 being connect with host computer 5, the chip of dsp processor 4 uses
TMS320F28335 models, output end connection motor control module and motor adjustable magnetic module, the DSP processing of the dsp processor 4
Input terminal connection voltage detection module, current detection module, adjustable magnetic current detection module and the rotary coding circuit 6 of device 4, rotation
Coding circuit 6 uses IHC3808 series rotary photoelectric encoders.Motor control module includes driving circuit I 11.1, inverter 2
With axial magnetic field memory electrical machine 1, wherein driving circuit I 11.1 uses the chip of 6N137.Motor adjustable magnetic module includes driving circuit
II 11.2, adjustable magnetic inverter 3 and axial magnetic field memory electrical machine 1, driving circuit II 11.2 use the chip of IR2110.Current detecting
Module includes current sensor I 9.1 and current regulating circuit I 9.2, and current regulating circuit I 9.2 is defeated with current sensor I 9.1
Outlet connects, and signal is transmitted to the ADC module of dsp processor 4, passes to dsp processor 4 after processing by current regulating circuit I 9.1
PWM module carry out algorithm process, be finally output to driving circuit I 11.1 to control the operation of axial magnetic field memory electrical machine 1.Electricity
Pressure detection module includes voltage sensor 7 and voltage modulate circuit 8, and voltage modulate circuit 8 and the output end of voltage sensor 7 connect
It connects, the chip model of voltage sensor 7 is VSMO25A, and the chip model of voltage modulate circuit 8 is LM358.Adjustable magnetic current detecting
Module includes current sensor II 9.2 and current regulating circuit II 10.2, current regulating circuit II 10.2 and current sensor II
Signal is transmitted to the ADC module of dsp processor 4, passed to after processing by 9.2 output end connection, current regulating circuit II 9.2
The PWM module of dsp processor 4 carries out algorithm process, is finally output to driving circuit II 10.2 to realize axial magnetic field memory electricity
The online adjustable magnetic of machine 1, to promote the range of operation of axial magnetic field memory electrical machine 1, the chip model of current sensor is
The chip model of CSM025A, current regulating circuit are LM324.Rotary coding circuit 6 can detect axial magnetic field memory electrical machine 1
Spinner velocity.
By the way that current sensor and voltage sensor 7 is arranged, the electric current and electricity of axial magnetic field memory electrical machine 1 are detected in real time
Pressure, and the driving capability of circuit is improved by current regulating circuit I 10.1 and voltage modulate circuit 8 respectively, increase input resistance
It is anti-, electrode signal is converted to using processing such as offset, filtering and amplifications, meets ADC module in dsp processor 4
Input voltage range requirement.Adjustable magnetic circuit by detecting axial magnetic field memory electrical machine 1 is increased or reduced according to actual demand
Adjustable magnetic electric current widens the speed adjustable range of axial magnetic field memory electrical machine 1.In adjustable magnetic circuit, by current sensor and voltage sensor
7 collected current value of device is converted to voltage value and is compared, and when more than the threshold value of setting, circuit is sent fault-signal is exported
Enter dsp processor 4, dsp processor 4 cuts off pwm signal and generates, and axial magnetic field memory electrical machine 1 is made to stop operating, and plays protection and makees
With.
As shown in Fig. 2, inverter circuit is three-phase half-bridge power circuit, circuit by 6 discrete switching devices (MOSFET,
IGBT it) is formed.The present invention selects the power MOSFET of the IRFP264 types of IR companies as device for power switching, this
MOSFET has the switch performance of high speed, and conducting resistance is relatively low, is provided simultaneously with superior diode reverse recovery ability, electrical to join
Number stability is high.
As shown in figure 3, adjustable magnetic power circuit be single-phase full bridge power circuit because adjustable magnetic impulse circuit need to generate it is positive and negative
Two-way DC pulse, so its circuit topology is single-phase full bridge power circuit, the power switch of circuit equally selects IR companies
IRFP264 types power MOSFET as device for power switching.
It is illustrated in figure 4 the flow chart of the present invention, main program mainly realizes the initialization of system, the function setting of I/O port,
The initial configuration of the peripheral modules such as EPWM and AD sampling, interrupts service initialisation, system control parameters global variable it is initial
Change etc..Since certain drift may occur after the power is turned on every time for the zero of AD samplings, in addition to needing to the offline schools AD
It is just outer, before main interruption arrival, also need first to carry out zero correction to AD to ensure the accuracy of sampling.After the completion of correction,
Interrupt service routine is changed to PWM to interrupt and wait for electric motor starting signal.PWM interrupt routines realize the acquisition of signal data, meter
It calculates, the communication with host computer, and finally generates the PWM wave signal of control switching tube, for realizing the institute of motor control and adjustable magnetic
There is algorithm, wherein containing AD samplings, conversion, rotor-position and tachometric survey, coordinate transform, PI is adjusted, adjustable magnetic control, space
The generation of Vector operation and PWM wave.Adjustable magnetic control module is located at during PWM interrupts, when adjustable magnetic control bit is 0 without adjustable magnetic,
Motor degaussing is controlled when control bit is 1, control motor magnetizes when control bit is 2.By taking demagnetization process as an example, when control bit is
When 1, adjustable magnetic time counter starts counting up, and adjustable magnetic current controller is given as required adjustable magnetic electric current, at this time electric current non-overshoot
Tracking given value given value of current is set to zero when adjustable magnetic counter counts count to given value, so that adjustable magnetic electric current is smoothly declined,
Control bit is reset after delay, and resets counter, completes entire adjustable magnetic process.
Claims (7)
1. a kind of axial magnetic field memory electrical machine control device, it is characterised in that：It include the dsp processor being connect with host computer (5)
(4), the output end connection motor control module of the dsp processor (4) and motor adjustable magnetic module, the input of dsp processor (4)
End connection voltage detection module, current detection module, adjustable magnetic current detection module and rotary coding circuit (6).
2. axial magnetic field memory electrical machine control device according to claim 1, it is characterised in that：The motor controls mould
Block includes driving circuit I (11.1), inverter (2) and axial magnetic field memory electrical machine (1), the driving circuit I (11.1) with
The output end of dsp processor (4) connects.
3. axial magnetic field memory electrical machine control device according to claim 1, it is characterised in that：The motor adjustable magnetic mould
Block includes driving circuit II (11.2), adjustable magnetic inverter (3) and axial magnetic field memory electrical machine (1), the driving circuit II
(11.2) output end of connection dsp processor (4).
4. axial magnetic field memory electrical machine control device according to claim 1, it is characterised in that：The current detecting mould
Block includes current sensor I (9.1) and current regulating circuit I (10.1), current regulating circuit I (10.1) and current sensor I
(9.1) output end connection, the input terminal of the other end connection dsp processor (4) of current regulating circuit I (10.1).
5. axial magnetic field memory electrical machine control device according to claim 1, it is characterised in that：The voltage detecting mould
Block includes voltage sensor (7) and voltage modulate circuit (8), and voltage modulate circuit (8) and the output end of voltage sensor (7) connect
It connects, the other end of voltage modulate circuit (8) is connect with the input terminal of dsp processor (4).
6. axial magnetic field memory electrical machine control device according to claim 1, it is characterised in that：The adjustable magnetic electric current inspection
It includes current sensor II (9.2) and current regulating circuit II (10.2) to survey module, current regulating circuit II (10.2) and electric current
The output end of sensor II (9.2) connects, the input of the other end connection dsp processor (4) of current regulating circuit II (10.2)
End.
7. axial magnetic field memory electrical machine control device according to claim 1, it is characterised in that：The rotary coding electricity
Road (6) can detect the speed of axial magnetic field memory electrical machine (1) rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351583.0A CN108306564A (en) | 2018-04-19 | 2018-04-19 | Axial magnetic field memory electrical machine control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351583.0A CN108306564A (en) | 2018-04-19 | 2018-04-19 | Axial magnetic field memory electrical machine control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108306564A true CN108306564A (en) | 2018-07-20 |
Family
ID=62847488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810351583.0A Pending CN108306564A (en) | 2018-04-19 | 2018-04-19 | Axial magnetic field memory electrical machine control device |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404472A (en) * | 2007-06-25 | 2009-04-08 | 刘群 | Low/medium voltage and high voltage motor soft starter composed by three-phase commutation bridge |
| CN106026815A (en) * | 2016-07-29 | 2016-10-12 | 东南大学 | Field-weakening control method of axial magnetic field flux switching type hybrid permanent magnet memory motor |
| CN106026816A (en) * | 2016-07-29 | 2016-10-12 | 东南大学 | Vector control method of axial magnetic field flux switching type hybrid permanent magnet memory motor |
| CN208063071U (en) * | 2018-04-19 | 2018-11-06 | 南京信息工程大学 | Axial magnetic field memory electrical machine control device |
-
2018
- 2018-04-19 CN CN201810351583.0A patent/CN108306564A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404472A (en) * | 2007-06-25 | 2009-04-08 | 刘群 | Low/medium voltage and high voltage motor soft starter composed by three-phase commutation bridge |
| CN106026815A (en) * | 2016-07-29 | 2016-10-12 | 东南大学 | Field-weakening control method of axial magnetic field flux switching type hybrid permanent magnet memory motor |
| CN106026816A (en) * | 2016-07-29 | 2016-10-12 | 东南大学 | Vector control method of axial magnetic field flux switching type hybrid permanent magnet memory motor |
| CN208063071U (en) * | 2018-04-19 | 2018-11-06 | 南京信息工程大学 | Axial magnetic field memory electrical machine control device |
Non-Patent Citations (1)
| Title |
|---|
| 壮而行: "磁通切换型记忆电机在线调磁控制研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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