CN103138664A - Permanent magnet motor starting method, device and system - Google Patents

Permanent magnet motor starting method, device and system Download PDF

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Publication number
CN103138664A
CN103138664A CN2012104561877A CN201210456187A CN103138664A CN 103138664 A CN103138664 A CN 103138664A CN 2012104561877 A CN2012104561877 A CN 2012104561877A CN 201210456187 A CN201210456187 A CN 201210456187A CN 103138664 A CN103138664 A CN 103138664A
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China
Prior art keywords
rotor
magneto
frequency response
response current
high frequency
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Chinese (zh)
Inventor
刘建
王铭
张奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haier Group Corp
Qingdao Haier Co Ltd
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Haier Group Corp
Qingdao Haier Co Ltd
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Priority to CN2012104561877A priority Critical patent/CN103138664A/en
Priority to PCT/CN2012/087658 priority patent/WO2014075372A1/en
Publication of CN103138664A publication Critical patent/CN103138664A/en
Pending legal-status Critical Current

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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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
    • H02P6/183—Circuit arrangements for detecting position without separate position detecting elements using an injected high frequency signal
    • 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
    • H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
    • H02P21/32—Determining the initial rotor position
    • 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
    • H02P21/34—Arrangements for starting

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

The invention provides a permanent magnet motor starting method, a device and a system, wherein the permanent magnet motor starting method comprises the following steps: implanting high-frequency voltage signals in a stator winding of a permanent magnet motor on an axis of a customized rotor rotary coordinate system; detecting high-frequency response current signals of the axis of the customized rotor rotary coordinate system; conducting lowpass filter processing on the high-frequency response current signals and processing the high-frequency response current signals to error signals; calculating an initial position of a rotor after a pictorial information digitizer (PID) adjuster adjusting the error signals near to zero; calculating an initial angular speed of the rotor according to positions of the rotor. The rotor of the permanent magnet motor directly enters closed-loop control from a static condition, no extra continuous direct current is needed to connect before the rotor operates, and thereby avoiding extra heating and swaying of the permanent magnet motor, avoiding extra abrasion generated by components and parts, improving energy efficiency of the permanent magnet motor, and lowering noise of the permanent magnet motor.

Description

Magneto starting method, Apparatus and system
Technical field
The present invention relates to a kind of magneto starting method, Apparatus and system, refer in particular to a kind of magneto starting method, Apparatus and system without transducer.
Background technology
Power density is large, the efficient advantages of higher owing to having for magneto, is used widely in a lot of occasions, for example the compressor of refrigerator.Control System of AC Permanent Magnet Synchronous need to be installed the position transducers such as the absolute type encoder of price comparison costliness or resolver usually on motor in practical application, be used for obtaining the absolute location information of rotor.Along with the development of magneto control technology, in order further to reduce the cost of driving system of permanent magnet motor, wish to adopt less expensive incremental encoder to come detection position information, perhaps adopt the position-sensor-free technology.Then, this two schemes all needs to solve an important problem, namely must accurately locate the initial position of rotor before motor operation, after only obtaining more accurately initial position of rotor information, could be effective the controls the electric motor starting operation.
Existing ground is generally to apply the current phasor of certain amplitude on the motor winding, allows current phasor keep a period of time, makes rotor rotate and navigates to the direction that sets in advance.Yet the current phasor that applies in advance can cause motor additionally to generate heat, rock, and causes the motor wearing and tearing, and produces noise.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of magneto starting method.
Another object of the present invention is to provide a kind of magneto starting drive.
Another purpose of the present invention is to provide a kind of magneto to start system.
Correspondingly, the magneto starting method of one embodiment of the present invention comprises:
S1, at the rotor coordinate system of making by oneself
Figure 2012104561877100002DEST_PATH_IMAGE001
Inject high-frequency voltage signal in the stator winding of the magneto on axle;
The rotor coordinate system that S2, detection are made by oneself
Figure 73366DEST_PATH_IMAGE002
High frequency response current signal on axle;
S3, described high frequency response current signal is carried out low-pass filtering treatment is error signal;
S4, regulate after described error signal goes to zero by the PID adjuster, calculate initial position of rotor;
S5, calculate rotor initial angle speed according to described rotor-position.
As a further improvement on the present invention, described high-frequency voltage signal is the pulsating high-frequency voltage signal.
As a further improvement on the present invention, also comprise after described S2 step:
Be two rotational coordinatess with described high frequency response current signal from the three-phase coordinate transform.
As a further improvement on the present invention, after described " being two rotational coordinatess from the three-phase coordinate transform with described high frequency response current signal " step, also comprise:
Described high frequency response current signal is carried out bandpass filtering;
High frequency response current signal after bandpass filtering is amplified.
As a further improvement on the present invention, described S5 step is specially:
Described initial position of rotor is carried out differential, obtain described rotor initial angle speed.
Correspondingly, the magneto starting drive of one embodiment of the present invention comprises:
At the rotor coordinate system of making by oneself
Figure 76088DEST_PATH_IMAGE001
Inject high-frequency voltage signal in the stator winding of the magneto on axle;
The rotor coordinate system that detection is made by oneself
Figure 38228DEST_PATH_IMAGE002
High frequency response current signal on axle;
It is error signal that described high frequency response current signal is carried out low-pass filtering treatment;
Regulate after described error signal goes to zero, calculate initial position of rotor;
Calculate rotor initial angle speed according to described rotor-position.
As a further improvement on the present invention, described high-frequency voltage signal is the pulsating high-frequency voltage signal.
As a further improvement on the present invention, also to be used for be two rotational coordinatess with described high frequency response current signal from the three-phase coordinate transform to described device.
As a further improvement on the present invention, described device also is used for:
Described high frequency response current signal is carried out bandpass filtering;
High frequency response current signal after bandpass filtering is amplified.
As a further improvement on the present invention, described observer is imperial Burger observer, is used for described initial position of rotor is carried out differential, obtains described rotor initial angle speed.
Correspondingly, the magneto of one embodiment of the present invention starts system, comprising:
Power subsystem, with control unit and the inversion unit that described power subsystem is electrically connected, described power subsystem provides electric power for described control unit and described inversion unit;
Described inversion unit is electrically connected magneto, and is controlled by described control unit, drives described magneto;
Wherein, described control unit comprises:
Be used at the rotor coordinate system of making by oneself
Figure 604338DEST_PATH_IMAGE001
Inject the circuit of high-frequency voltage signal in the stator winding of the magneto on axle;
For detection of the rotor coordinate system of making by oneself The circuit of the high frequency response current signal on axle;
Low pass filter, being used for described high frequency response current signal is carried out low-pass filtering treatment is error signal;
The PID adjuster is used for regulating after described error signal goes to zero, and calculates initial position of rotor;
Observer is used for calculating rotor initial angle speed according to described rotor-position.
As a further improvement on the present invention, described high-frequency voltage signal is the pulsating high-frequency voltage signal.
As a further improvement on the present invention, described control power supply also comprises:
Being used for is the circuit of two rotational coordinatess from the three-phase coordinate transform with described high frequency response current signal.
As a further improvement on the present invention, described control power supply also comprises:
Band pass filter is used for described high frequency response current signal is carried out bandpass filtering;
Multiplier is used for the high frequency response current signal after bandpass filtering is amplified.
As a further improvement on the present invention, described observer is imperial Burger observer, is used for described initial position of rotor is carried out differential, obtains described rotor initial angle speed.
As a further improvement on the present invention, described power subsystem comprises:
Current rectifying and wave filtering circuit is used for generating high voltage direct current, and is electrically connected with described inversion unit;
Switching power circuit is used for the described high voltage direct current of step-down, and is electrically connected with the high drive chip of described inversion unit;
The DC-DC circuit is used for the direct current of described switching power circuit output is carried out step-down, and is electrically connected with described control unit.
Compared with prior art, by magneto starting method of the present invention, Apparatus and system, the rotor of magneto directly can be entered closed-loop control under inactive state, need not logical extra continuous direct current before its running, thereby avoided the extra heating of motor and rocked, the additional wear of having avoided parts to produce.Improve the motor efficiency, reduced noise of motor.
Description of drawings
Fig. 1 is that in an embodiment of the present invention, magneto starts the system of systems Organization Chart;
Fig. 2 is the flow chart of magneto starting method in an embodiment of the present invention;
Fig. 3 is the module map of magneto starting drive in an embodiment of the present invention.
Embodiment
Describe the present invention below with reference to each execution mode shown in the drawings.But these execution modes do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or function all is included in protection scope of the present invention.
In an embodiment of the present invention, this magneto starting method, Apparatus and system are applied in freezer compressor.It can be before compressor not be worked, control inversion unit by control unit and send the high frequency voltage pulse signal of some to the magneto in compressor, these high frequency voltage pulse signals in compressor permanent magnet motor three-phase coil by the time and the rotor field of the permanent magnet of magneto interact, make the amplitude of electric current change, by detecting the high frequency response electric current of magneto on the loop, pass through again certain processing, the positional information of rotor can be obtained, thereby just the closed loop effect can be realized when making the compressor permanent magnet electric motor starting.
As shown in Figure 1, in an embodiment of the present invention, this magneto startup system comprises: power subsystem 10, with control unit 20 and the inversion unit 30 that described power subsystem 10 is electrically connected, this power subsystem 10 provides electric power for this control unit 20 and this inversion unit 30.This inversion unit 30 is electrically connected magneto 40, and can be controlled by described control unit 20, to drive described magneto 40 work.
Wherein, described power subsystem 10 comprises: current rectifying and wave filtering circuit 101, switching power circuit 102, and DC-DC circuit 103.
Described current rectifying and wave filtering circuit 101 is electrically connected inversion unit 30.In current rectifying and wave filtering circuit 101, the 220V alternating current generates high voltage direct current through after rectifier bridge, and provides stable dc high-voltage through the backward described inversion unit of capacitor filtering.
The high drive chip 301,302,303 that described switching power circuit 102 is electrically connected in described inversion unit 30.After 102 step-downs of dc high-voltage process switching power circuit, generation+15V direct current provides working power for the high drive chip 301,302,303 in described inversion unit.
Described DC-DC circuit 103 is electrically connected described control unit 20.Switching power circuit 102 generations+the 15V direct current exports DC-DC circuit 103 to, after step-down is 3.3V, is control unit 20 power supplies.
Described control unit comprises the PWM module, signal sampling module, low pass filter, PID adjuster, observer.Specifically be introduced in connection with Fig. 3.
Described inversion unit comprises three high drive chips, and three groups of totally six IGBT pipes.Every two IGBT pipes are divided into one group, and wherein, IGBT1, IGBT2 are one group, and IGBT3, IGBT4 are one group, and IGBT5, IGBT6 are one group, its grid respectively with the corresponding connection of the three-phase PWM module of control unit.First IGBT pipe of each group, as IGBT1, IGBT3, the drain electrode of IGBT5 connects respectively the dc high-voltage of described current rectifying and wave filtering circuit 101 outputs, source electrode connects a wherein phase input (U of three-phase motor with permanent magnets 40 on the one hand, V, W), and the corresponding connection of another drain electrode with second IGBT of each group of magneto 40, as IGBT2, IGBT4, IGBT6, second IGBT (IGBT2, IGBT4 of each group, IGBT6) source electrode is sampled to the high frequency response current signal of magneto through the foreign module of signal ability of resistance 50 connection control units.
Corresponding being connected of three-phase PWM module of three high drive chips 301,302,303 input and control unit, output connects respectively the grid of three groups of IGBT, connect IGBT1, IGBT2 as high drive chip 301, high drive chip 302 connects IGBT3, IGBT4, and high drive chip 303 connects IGBT5, IGBT6.
As shown in Figure 2, in an embodiment of the present invention, described magneto starting method comprises:
S1, at the rotor coordinate system of making by oneself
Figure 79630DEST_PATH_IMAGE001
Inject high-frequency voltage signal in the stator winding of the magneto on axle; Wherein, described high-frequency voltage signal is the pulsating high-frequency voltage signal.Preferably, this pulsating high-frequency voltage signal is:
Figure 466749DEST_PATH_IMAGE004
；
Figure 898867DEST_PATH_IMAGE006
The rotor coordinate system that S2, detection are made by oneself
Figure 789463DEST_PATH_IMAGE002
High frequency response current signal on axle; Preferably, after described step, comprise that also be two rotational coordinatess with described high frequency response current signal from the three-phase coordinate transform.Described high frequency response current signal is:
Figure DEST_PATH_IMAGE007
Figure 399567DEST_PATH_IMAGE008
, in formula,
Figure DEST_PATH_IMAGE009
Be high-frequency resistance difference, For
Figure 57261DEST_PATH_IMAGE001
The impedance of axle,
Figure DEST_PATH_IMAGE011
For
Figure 130260DEST_PATH_IMAGE002
The impedance of axle.Because alternating-current resistance can be ignored with respect to high frequency induction reactance is next, therefore Axle and
Figure 7397DEST_PATH_IMAGE002
The high-frequency resistance of axle can be reduced to:
Figure 646506DEST_PATH_IMAGE014
Here definition
Figure DEST_PATH_IMAGE015
Thereby, High frequency response current signal on axle can be written as:
Figure 244157DEST_PATH_IMAGE016
。
Preferably, after described step, also comprise:
Described high frequency response current signal is carried out bandpass filtering;
High frequency response current signal after bandpass filtering is amplified.Wherein, the high frequency response current signal being amplified, is that this high frequency response electric current and high-frequency signal are multiplied each other:
Figure DEST_PATH_IMAGE017
Figure 306922DEST_PATH_IMAGE018
S3, described high frequency response current signal is carried out low-pass filtering treatment is error signal; Preferably, through after low-pass filtering treatment:
Figure DEST_PATH_IMAGE019
, here
Figure 167562DEST_PATH_IMAGE020
It is namely error signal.
S4, regulate after described error signal goes to zero by the PID adjuster, calculate initial position of rotor; Preferably, when
Figure 477321DEST_PATH_IMAGE020
When very little, can think
Figure DEST_PATH_IMAGE021
With
Figure 610362DEST_PATH_IMAGE020
Proportional, can regulate parameter by the PID adjuster, this error signal is gone to zero, preferably, can regulate this error signal and equal zero.Like this, can with
Figure 476818DEST_PATH_IMAGE022
Converge on actual value , obtain initial position of rotor.
S5, calculate rotor initial angle speed according to described rotor-position.Preferably, by inciting somebody to action
Figure 378915DEST_PATH_IMAGE022
Get differential, just can obtain rotor initial angle speed:
Figure 859575DEST_PATH_IMAGE024
As shown in Figure 3, in an embodiment of the present invention, this magneto starting drive is control unit 20, and described control unit comprises:
Be used at the rotor coordinate system of making by oneself
Figure 976784DEST_PATH_IMAGE001
Inject the circuit of high-frequency voltage signal in the stator winding of the magneto on axle; Wherein, described high-frequency voltage signal is the pulsating high-frequency voltage signal.Preferably, this pulsating high-frequency voltage signal is:
Figure 833881DEST_PATH_IMAGE004
；
For detection of the rotor coordinate system of making by oneself
Figure 242046DEST_PATH_IMAGE002
The circuit of the high frequency response current signal on axle; Preferably, described control unit also comprises for being the circuit 203 of two rotational coordinatess from the three-phase coordinate transform with described high frequency response current signal.Described high frequency response current signal is:
Figure DEST_PATH_IMAGE025
Figure 100412DEST_PATH_IMAGE008
, in formula, Be high-frequency resistance difference,
Figure 106731DEST_PATH_IMAGE010
For The impedance of axle,
Figure 274855DEST_PATH_IMAGE011
For
Figure 536072DEST_PATH_IMAGE002
The impedance of axle.Because alternating-current resistance can be ignored with respect to high frequency induction reactance is next, therefore
Figure 939372DEST_PATH_IMAGE001
Axle and
Figure 198315DEST_PATH_IMAGE002
The high-frequency resistance of axle can be reduced to:
Figure 765693DEST_PATH_IMAGE012
Figure 502705DEST_PATH_IMAGE014
Here definition
Figure 88407DEST_PATH_IMAGE015
Thereby, High frequency response current signal on axle can be written as:
Figure 307347DEST_PATH_IMAGE016
。
Preferably, this control unit also comprises:
Band pass filter 204 is used for described high frequency response current signal is carried out bandpass filtering;
Multiplier 205 is used for the high frequency response current signal after bandpass filtering is amplified.Wherein, the high frequency response current signal being amplified, is that this high frequency response electric current and high-frequency signal are multiplied each other:
Figure 848050DEST_PATH_IMAGE017
Figure 553838DEST_PATH_IMAGE018
Low pass filter 206, being used for described high frequency response current signal is carried out low-pass filtering treatment is error signal; Preferably, through after low-pass filtering treatment:
, here
Figure 430975DEST_PATH_IMAGE020
It is namely error signal.
PID adjuster 207 after going to zero for the described error signal of adjuster adjusting, calculates initial position of rotor; Preferably, when When very little, can think
Figure 70084DEST_PATH_IMAGE021
With
Figure 576152DEST_PATH_IMAGE020
Proportional, can regulate parameter by the PID adjuster, this error signal is gone to zero, preferably, can regulate this error signal and equal zero.Like this, can with
Figure 605419DEST_PATH_IMAGE022
Converge on actual value
Figure 487924DEST_PATH_IMAGE023
, obtain initial position of rotor.
Observer 208 is used for calculating rotor initial angle speed according to described rotor-position.Preferably, described observer is imperial Burger observer.By inciting somebody to action
Figure 840408DEST_PATH_IMAGE022
Get differential, just can obtain rotor initial angle speed:
Figure 845273DEST_PATH_IMAGE024
In sum, by magneto starting method of the present invention, Apparatus and system, the rotor of magneto directly can be entered closed-loop control under inactive state, need not logical extra continuous direct current before its running, thereby avoided the extra heating of motor and rocked, the additional wear of having avoided parts to produce.Improve the motor efficiency, reduced noise of motor.
For the convenience of describing, be divided into various unit with function when describing above device and describe respectively.Certainly, can realize the function of each unit in same or a plurality of softwares and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, Information Push Server, the perhaps network equipment etc.) carry out the described method of some part of each execution mode of the application or execution mode.
Device embodiments described above is only schematic, wherein said unit as the separating component explanation can or can not be also physically to separate, the parts that show as the unit can be or can not be also physical locations, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation that do not pay creative work.
The application can be used in numerous general or special purpose computingasystem environment or configuration.For example: personal computer, Information Push Server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise distributed computing environment (DCE) of above any system or equipment etc.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract data type, program, object, assembly, data structure etc.Also can put into practice the application in distributed computing environment (DCE), in these distributed computing environment (DCE), be executed the task by the teleprocessing equipment that is connected by communication network.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each execution mode also can through appropriate combination, form other execution modes that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description is only illustrating for feasibility execution mode of the present invention; they are not to limit protection scope of the present invention, all disengaging within equivalent execution mode that skill spirit of the present invention does or change all should be included in protection scope of the present invention.

Claims (16)

1. a magneto starting method, is characterized in that, described magneto starting method comprises the following steps:
S1, at the rotor coordinate system of making by oneself
Figure 2012104561877100001DEST_PATH_IMAGE002
Inject high-frequency voltage signal in the stator winding of the magneto on axle;
The rotor coordinate system that S2, detection are made by oneself High frequency response current signal on axle;
S3, described high frequency response current signal is carried out low-pass filtering treatment is error signal;
S4, regulate after described error signal goes to zero by the PID adjuster, calculate initial position of rotor;
S5, calculate rotor initial angle speed according to described rotor-position.
2. magneto starting method according to claim 1, is characterized in that, described high-frequency voltage signal is the pulsating high-frequency voltage signal.
3. magneto starting method according to claim 1, is characterized in that, also comprises after described S2 step:
Be two rotational coordinatess with described high frequency response current signal from the three-phase coordinate transform.
4. magneto starting method according to claim 3, is characterized in that, after described " being two rotational coordinatess from the three-phase coordinate transform with described high frequency response current signal " step, also comprises:
Described high frequency response current signal is carried out bandpass filtering;
High frequency response current signal after bandpass filtering is amplified.
5. magneto starting method according to claim 1, is characterized in that, described S5 step is specially:
Described initial position of rotor is carried out differential, obtain described rotor initial angle speed.
6. a magneto starting drive, is characterized in that, described device is used for:
At the rotor coordinate system of making by oneself
Figure 386990DEST_PATH_IMAGE002
Inject high-frequency voltage signal in the stator winding of the magneto on axle;
The rotor coordinate system that detection is made by oneself
Figure 117180DEST_PATH_IMAGE004
High frequency response current signal on axle;
It is error signal that described high frequency response current signal is carried out low-pass filtering treatment;
Regulate after described error signal goes to zero, calculate initial position of rotor;
Calculate rotor initial angle speed according to described rotor-position.
7. magneto starting drive according to claim 6, is characterized in that, described high-frequency voltage signal is the pulsating high-frequency voltage signal.
8. magneto starting drive according to claim 6, is characterized in that, it is two rotational coordinatess with described high frequency response current signal from the three-phase coordinate transform that described device also is used for.
9. magneto starting drive according to claim 8, is characterized in that, described device also is used for:
Described high frequency response current signal is carried out bandpass filtering;
High frequency response current signal after bandpass filtering is amplified.
10. magneto starting drive according to claim 6, is characterized in that, described observer is imperial Burger observer, is used for described initial position of rotor is carried out differential, obtains described rotor initial angle speed.
11. a magneto starts system, it is characterized in that, described system comprises:
Power subsystem, with control unit and the inversion unit that described power subsystem is electrically connected, described power subsystem provides electric power for described control unit and described inversion unit;
Described inversion unit is electrically connected magneto, and is controlled by described control unit, drives described magneto;
Wherein, described control unit comprises:
Be used at the rotor coordinate system of making by oneself
Figure 959234DEST_PATH_IMAGE002
Inject the circuit of high-frequency voltage signal in the stator winding of the magneto on axle;
For detection of the rotor coordinate system of making by oneself
Figure 354443DEST_PATH_IMAGE004
The circuit of the high frequency response current signal on axle;
Low pass filter, being used for described high frequency response current signal is carried out low-pass filtering treatment is error signal;
The PID adjuster is used for regulating after described error signal goes to zero, and calculates initial position of rotor;
Observer is used for calculating rotor initial angle speed according to described rotor-position.
12. magneto according to claim 11 starts system, it is characterized in that, described high-frequency voltage signal is the pulsating high-frequency voltage signal.
13. magneto according to claim 11 starts system, it is characterized in that, described control power supply also comprises:
Being used for is the circuit of two rotational coordinatess from the three-phase coordinate transform with described high frequency response current signal.
14. magneto according to claim 13 starts system, it is characterized in that, described control power supply also comprises:
Band pass filter is used for described high frequency response current signal is carried out bandpass filtering;
Multiplier is used for the high frequency response current signal after bandpass filtering is amplified.
15. magneto according to claim 11 starts system, it is characterized in that, described observer is imperial Burger observer, is used for described initial position of rotor is carried out differential, obtains described rotor initial angle speed.
16. magneto according to claim 11 starts system, it is characterized in that, described power subsystem comprises:
Current rectifying and wave filtering circuit is used for generating high voltage direct current, and is electrically connected with described inversion unit;
Switching power circuit is used for the described high voltage direct current of step-down, and is electrically connected with the high drive chip of described inversion unit;
The DC-DC circuit is used for the direct current of described switching power circuit output is carried out step-down, and is electrically connected with described control unit.
CN2012104561877A 2012-11-14 2012-11-14 Permanent magnet motor starting method, device and system Pending CN103138664A (en)

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PCT/CN2012/087658 WO2014075372A1 (en) 2012-11-14 2012-12-27 Method, apparatus and system for starting permanent magnet motor

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CN107070348A (en) * 2017-03-14 2017-08-18 广东美的制冷设备有限公司 Air conditioner, compressor and its closed loop zero-speed start method, system
CN107733299A (en) * 2016-08-12 2018-02-23 大众汽车有限公司 Determine method, motor, the vehicles and the program product of the rotor condition of motor
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CN107070348A (en) * 2017-03-14 2017-08-18 广东美的制冷设备有限公司 Air conditioner, compressor and its closed loop zero-speed start method, system
CN109302114A (en) * 2018-08-31 2019-02-01 浙江工业大学 The permanent magnet synchronous motor full speed range method for controlling position-less sensor realized based on FPGA
CN109412486A (en) * 2018-10-23 2019-03-01 深圳市深信创联智能科技有限责任公司 The speed observation method of line inductance electromotor
WO2021212520A1 (en) * 2020-04-24 2021-10-28 深圳市大疆创新科技有限公司 Control method and apparatus for motor, device, and storage medium

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