CN105958894B - Motor rotation transformer intelligent identification system and control method thereof - Google Patents
Motor rotation transformer intelligent identification system and control method thereof Download PDFInfo
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- CN105958894B CN105958894B CN201610403106.5A CN201610403106A CN105958894B CN 105958894 B CN105958894 B CN 105958894B CN 201610403106 A CN201610403106 A CN 201610403106A CN 105958894 B CN105958894 B CN 105958894B
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- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 28
- 230000005284 excitation Effects 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 238000005086 pumping Methods 0.000 claims description 44
- 230000008859 change Effects 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 4
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
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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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Electric Motors In General (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention discloses a motor rotary transformer intelligent identification system and a control method thereof, wherein the system comprises: the motor rotary transformer module outputs sine and cosine signals to the second amplifying circuit; the second amplifying circuit is used for amplifying the sine and cosine signals to output a first sine signal and a first cosine signal; the rotary variable decoding chip collects a first sine signal and a first cosine signal and outputs a group of excitation signals; the first amplification circuit is used for carrying out signal amplification processing on the group of excitation signals and sending the amplified excitation signals to the motor rotary transformer module; the controller module collects the amplified excitation signals and sine and cosine signals, calculates the rotary transformation ratio of the motor rotary transformation module according to the excitation signals, and adjusts the amplification times of the first amplification circuit and/or the second amplification circuit according to the rotary transformation ratio so that the first sine signal and the first cosine signal are positioned in the sampling interval of the rotary transformation decoding chip.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of motor rotation becomes intelligent identifying system and a kind of rotation of motor becomes
The control method of intelligent identifying system.
Background technology
In electric machine controller development process, choice of electrical machine is relatively more, and it is also different that the matched rotation of motor institute becomes no-load voltage ratio.Such as
The targeted rotation of fruit electric machine controller becomes no-load voltage ratio and differs larger with the rotation of motor change no-load voltage ratio, then electricity can be exceeded by revolving the signal for becoming and exporting
Rotation in machine controller becomes the range of decoding chip acquisition signal, to which electric machine controller can report failure, can not carry out normal
It uses.
Therefore, under the conditions of current technology, the applicability of electric machine controller is poor, and generally a electric machine controller is hard
Part scheme can only match a kind of motor of rotation change no-load voltage ratio, it is difficult to meet the use demand of electric machine controller hardware and software platform.
Invention content
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, the present invention
One purpose is to propose that a kind of motor rotation becomes intelligent identifying system, can realize adaptive between electric machine controller and motor
Matching so that the motor that a electric machine controller can become no-load voltage ratio with a variety of rotations matches use, improves the suitable of electric machine controller
With property, the use demand of electric machine controller hardware and software platform is met.
Second object of the present invention is the control method for proposing that a kind of motor rotation becomes intelligent identifying system.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of motor rotation change intelligent identifying system, should
System includes that motor rotation becomes module, rotation becomes decoding chip, the first amplifying circuit, the second amplifying circuit and controller module, wherein
The output end that motor rotation becomes module is connected with the input terminal of second amplifying circuit, the motor rotation change module for
Second amplifying circuit exports cosine and sine signal；Second amplifying circuit, for carrying out signal to the cosine and sine signal
Enhanced processing is to export the first sinusoidal signal and the first cosine signal；The input terminal that the rotation becomes decoding chip is put with described second
The output end of big circuit is connected, and the rotation becomes decoding chip for acquiring first sinusoidal signal and the first cosine signal, and
Export one group of pumping signal；The input terminal of first amplifying circuit is connected with the output end that the rotation becomes decoding chip, described
The input terminal that the output end of first amplifying circuit revolves change module with the motor is connected, and first amplifying circuit is used for described
One group of pumping signal carries out signal enhanced processing, and the pumping signal after enhanced processing is sent to the motor rotation and becomes module；
The controller module becomes decoding chip with the rotation and is communicated, and the controller module is for after acquiring the enhanced processing
Pumping signal to obtain first amplitude, and acquire the cosine and sine signal to obtain the second amplitude, and according to described first
Amplitude and second amplitude calculate the rotation that the motor rotation becomes module and become no-load voltage ratio, and are become according to the rotation of motor rotation change module
The amplification factor of first amplifying circuit described in voltage ratio control and/or second amplifying circuit, so that first sinusoidal signal
It is in the sampling interval that the rotation becomes decoding chip with the first cosine signal.
Motor rotation according to the ... of the embodiment of the present invention becomes intelligent identifying system, and acquiring input motor rotation by controller module becomes
Pumping signal and the motor rotation of module become the amplitude of the cosine and sine signal of module output, and the rotation for calculating motor rotation change module becomes
Than, and by the way that the first amplifying circuit and the second amplifying circuit is arranged, can be become according to rotation the first amplifying circuit of voltage ratio control and/or
The amplification factor of second amplifying circuit, so that finally entering rotation becomes the signal of decoding chip in the sample region of rotation change decoding chip
Between, as a result, can not only automatic identification rotation become no-load voltage ratio, additionally it is possible to make input rotation become decoding chip signal meet rotation become decoding core
The acquisition demand of piece, realizes the Adaptive matching between electric machine controller and motor so that a electric machine controller can be with
The motor matching that a variety of rotations become no-load voltage ratio uses, and improves the applicability of electric machine controller, meets electric machine controller hardware and software platform
Use demand.
In addition, the motor rotation change intelligent identifying system proposed according to the above embodiment of the present invention can also be with following additional
Technical characteristic：
According to one embodiment of present invention, the cosine and sine signal that the motor rotation becomes module output includes that one group of sine is believed
Number and one group of cosine signal, the two-way sinusoidal signal polarity in one group of sinusoidal signal is on the contrary, in one group of cosine signal
Two-way cosine signal polarity it is opposite.
Also, the excitation signals polarity in one group of pumping signal is opposite.
Specifically, the controller module is obtained described by any road pumping signal after acquiring the enhanced processing
First amplitude, and acquire the arbitrary signal all the way in the cosine and sine signal to obtain second amplitude, and by described the
Two amplitudes divided by the first amplitude become no-load voltage ratio to obtain the rotation that the motor rotation becomes module.
According to one embodiment of present invention, the controller module and the rotation use SPI between becoming decoding chip
(Serial Peripheral Interface, Serial Peripheral Interface (SPI)) communicates.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of control of motor rotation change intelligent identifying system
Method processed, the system comprises motors to revolve change module, rotation becomes decoding chip, the first amplifying circuit, the second amplifying circuit and control
Device module, the described method comprises the following steps：The rotation becomes decoding chip and exports one group of pumping signal to the first amplification electricity
Road；First amplifying circuit carries out signal enhanced processing to one group of pumping signal, and the excitation after enhanced processing is believed
It number is sent to the motor rotation and becomes module；The motor rotation becomes module and exports cosine and sine signal to second amplifying circuit；Institute
It states the second amplifying circuit and signal enhanced processing is carried out to become decoding chip output first just to the rotation to the cosine and sine signal
String signal and the first cosine signal, the rotation become decoding chip and acquire first sinusoidal signal and the first cosine signal；It is described
Controller module acquires the pumping signal after the enhanced processing to obtain first amplitude, and acquires the cosine and sine signal to obtain
The second amplitude is taken, and the rotation that the motor rotation becomes module is calculated according to the first amplitude and second amplitude and becomes no-load voltage ratio；
The controller module is revolved according to the motor becomes the first amplifying circuit and/or described second described in the rotation change voltage ratio control of module
The amplification factor of amplifying circuit, so that first sinusoidal signal and the first cosine signal are in the rotation and become adopting for decoding chip
Sample section.
Motor rotation according to the ... of the embodiment of the present invention becomes the control method of intelligent identifying system, is acquired by controller module defeated
Enter the amplitude that motor rotation becomes the pumping signal of module and the cosine and sine signal of motor rotation change module output, calculates motor rotation and become mould
The rotation of block becomes no-load voltage ratio, and by the way that the first amplifying circuit and the second amplifying circuit is arranged, and can become voltage ratio control first according to rotation and put
The amplification factor of big circuit and/or the second amplifying circuit, so that the signal for finally entering rotation change decoding chip is in rotation and becomes decoding
The sampling interval of chip, as a result, can not only automatic identification rotation become no-load voltage ratio, additionally it is possible to keep the signal that input rotation becomes decoding chip full
Foot rotation becomes the acquisition demand of decoding chip, realizes the Adaptive matching between electric machine controller and motor so that a motor
The motor that controller can become no-load voltage ratio with a variety of rotations matches use, improves the applicability of electric machine controller, meets motor control
The use demand of device hardware and software platform processed.
In addition, the control method that the motor rotation proposed according to the above embodiment of the present invention becomes intelligent identifying system can also have
There is following additional technical characteristic：
According to one embodiment of present invention, the cosine and sine signal that the motor rotation becomes module output includes that one group of sine is believed
Number and one group of cosine signal, the two-way sinusoidal signal polarity in one group of sinusoidal signal is on the contrary, in one group of cosine signal
Two-way cosine signal polarity it is opposite.
Also, the excitation signals polarity in one group of pumping signal is opposite.
Specifically, the controller module is obtained described by any road pumping signal after acquiring the enhanced processing
First amplitude, and acquire the arbitrary signal all the way in the cosine and sine signal to obtain second amplitude, and by described the
Two amplitudes divided by the first amplitude become no-load voltage ratio to obtain the rotation that the motor rotation becomes module.
According to one embodiment of present invention, the controller module and the rotation are led between becoming decoding chip using SPI
Letter.
Description of the drawings
Fig. 1 is that the structural schematic diagram for becoming intelligent identifying system is revolved according to the motor of the embodiment of the present invention；
Fig. 2 is the flow chart that the control method for becoming intelligent identifying system is revolved according to the motor of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Become intelligent identifying system and its control method below in conjunction with the accompanying drawings to describe the motor rotation of the embodiment of the present invention.
Fig. 1 is that the structural schematic diagram for becoming intelligent identifying system is revolved according to the motor of the embodiment of the present invention.
As shown in Figure 1, the motor rotation of the embodiment of the present invention becomes intelligent identifying system, including motor rotation becomes module 10, rotation becomes
Decoding chip 20, the first amplifying circuit 30, the second amplifying circuit 40 and controller module 50.
Wherein, the output end of motor rotation change module 10 is connected with the input terminal of the second amplifying circuit 40, and motor rotation becomes module
10 to the second amplifying circuit 40 for exporting cosine and sine signal；Second amplifying circuit 40 is used to carry out signal to cosine and sine signal to put
Big processing is to export the first sinusoidal signal and the first cosine signal；Rotation becomes the input terminal and the second amplifying circuit 40 of decoding chip 20
Output end be connected, rotation becomes decoding chip 20 for acquiring the first sinusoidal signal and the first cosine signal, and exports one group of excitation
Signal；The output end that the input terminal of first amplifying circuit 30 becomes decoding chip 20 with rotation is connected, the output of the first amplifying circuit 30
The input terminal for revolving change module 10 with motor is held to be connected, the first amplifying circuit 30 is used to carry out at signal amplification one group of pumping signal
Reason, and the pumping signal after enhanced processing is sent to motor rotation and becomes module 10；Controller module 50 becomes decoding chip 20 with rotation
It is communicated, controller module 50 is used to acquire the pumping signal after enhanced processing to obtain first amplitude, and acquires sine and cosine
Signal calculates the rotation change no-load voltage ratio that motor rotation becomes module 10 to obtain the second amplitude, and according to first amplitude and the second amplitude, and
It is revolved according to motor and becomes rotation change voltage ratio control the first amplifying circuit 30 of module 10 and/or the amplification factor of the second amplifying circuit 40,
So that the first sinusoidal signal and the first cosine signal are in the sampling interval that rotation becomes decoding chip 20.
As shown in Figure 1, it includes one group of sinusoidal signal and one group of cosine letter that motor rotation, which becomes the cosine and sine signal that module 10 exports,
Number, two-way sinusoidal signal (SIN+ and SIN-) polarity in one group of sinusoidal signal is on the contrary, two-way cosine in one group of cosine signal
Signal (COS+ and COS-) polarity is opposite.Excitation signals (EXT and/EXT) polarity in one group of pumping signal is opposite.
In one embodiment of the invention, controller module 50 can be MCU (Motor Control Unit, motor control
Unit processed), controller module 50 can be by any road pumping signal after AD2 mouthfuls of acquisition enhanced processings to obtain first amplitude
V1, and can be by the arbitrary signal all the way in AD1 mouthfuls of acquisition cosine and sine signals to obtain the second amplitude V2.At one of the present invention
In embodiment, the rotation change that motor rotation becomes in module 10 can receive pumping signal, and export cosine and sine signal, therefore, will be just remaining
The second amplitude V2 of signal divided by the first amplitude V1 of any road pumping signal can be obtained motor all the way for arbitrary in string signal
The rotation that rotation becomes module 10 becomes no-load voltage ratio.The system of the embodiment of the present invention being capable of automatic identification rotation change no-load voltage ratio as a result,.
In one embodiment of the invention, controller module 50 uses SPI communication between can becoming decoding chip 20 with rotation,
To realize the interaction of information.The controller module 50 of the embodiment of the present invention can obtain rotation and become decoding chip 20 for motor rotation change
The sampling interval for the cosine and sine signal that module 10 exports, and the excitation that decoding chip 20 exports is become according to the sampling interval, rotation and is believed
Number and motor rotation become module 10 rotation become no-load voltage ratio, by I/O mouthful control allotment resistance access, to adjust the first amplifying circuit
30 and/or second amplifying circuit 40 amplification factor so that the first sinusoidal signal and the first cosine signal are in rotation and become decoding core
The sampling interval of piece 20.
Specifically, in the system of the embodiment of the present invention, rotation become the first sinusoidal signal SIN that is acquired of decoding chip 20 and
The amplitude of first cosine signal COS is respectively Vsin and Vcos, then Vsin (or Vcos)=2Vpp*M1*N*M2 (formula 1), wherein
Vpp is the peak-to-peak value that rotation becomes the pumping signal that decoding chip 20 exports, and the rotation that N becomes module 10 for motor rotation becomes no-load voltage ratio, M1 and M2
The respectively amplification factor of the first amplifying circuit 30 and the second amplifying circuit 40.Assuming that the rotation of the embodiment of the present invention becomes decoding chip
The sampling interval of 20 cosine and sine signals exported for motor rotation change module 10 is 2.1V to 4.0V, i.e. the range of Vsin or Vcos
For 2.1V to 4.0V.If rotation becomes the peak-to-peak value Vpp for the pumping signal that decoding chip 20 exports as 3.6V, AD2 mouthfuls acquire the
One amplitude V1 be 7.2V, AD1 mouthful acquisition the second amplitude V2 be 2.059V, due to 2.059V not the range of 2.1V to 4.0V it
It is interior, become decoding chip 20 because being unable to be revolved and acquire, if not including the first amplifying circuit 30 and the second amplifying circuit 40,
Motor rotation becomes module 10 and rotation becomes decoding chip 20 and do not match that.In this case, controller module 50 can pass through tune
The size of whole M1 and M2 so that be within the scope of 2.1V to 4.0V according to 1 calculated Vsin (or Vcos) of formula.Due to rotation
Become no-load voltage ratio N=V2/V1=2.059/7.2=0.286, enables the amplification factor M1=2 of the first amplifying circuit 30, the second amplifying circuit
40 amplification factor M2=0.75 so that Vsin (or Vcos)=2Vpp*M1*N*M2=2*3.6*2*0.286*0.75=
3.089V, Vsin (or Vcos) is within the scope of 2.1V to 4.0V as a result, and upper and lower redundancy is relatively large, to real
The matching that motor rotation becomes module 10 and rotation change decoding chip 20 is showed.
Motor rotation according to the ... of the embodiment of the present invention becomes intelligent identifying system, and acquiring input motor rotation by controller module becomes
Pumping signal and the motor rotation of module become the amplitude of the cosine and sine signal of module output, and the rotation for calculating motor rotation change module becomes
Than, and by the way that the first amplifying circuit and the second amplifying circuit is arranged, can be become according to rotation the first amplifying circuit of voltage ratio control and/or
The amplification factor of second amplifying circuit, so that finally entering rotation becomes the signal of decoding chip in the sample region of rotation change decoding chip
Between, as a result, can not only automatic identification rotation become no-load voltage ratio, additionally it is possible to make input rotation become decoding chip signal meet rotation become decoding core
The acquisition demand of piece, realizes the Adaptive matching between electric machine controller and motor so that a electric machine controller can be with
The motor matching that a variety of rotations become no-load voltage ratio uses, and improves the applicability of electric machine controller, meets electric machine controller hardware and software platform
Use demand.
To realize that above-described embodiment, the present invention also propose that a kind of motor rotation becomes the control method of intelligent identifying system.
Referring to Fig.1, the motor rotation of the embodiment of the present invention becomes intelligent identifying system, including motor rotation becomes module, rotation becomes decoding
Chip, the first amplifying circuit, the second amplifying circuit and controller module.Wherein, the output end of motor rotation change module is put with second
The input terminal of big circuit is connected, and the input terminal that rotation becomes decoding chip is connected with the output end of the second amplifying circuit, the first amplification electricity
The output end that the input terminal on road becomes decoding chip with rotation is connected, and the output end of the first amplifying circuit becomes the input of module with motor rotation
End is connected.
As shown in Fig. 2, the motor rotation of the embodiment of the present invention becomes the control method of intelligent identifying system, include the following steps：
S201, rotation become decoding chip and export one group of pumping signal to the first amplifying circuit.
Wherein, as shown in Figure 1, excitation signals (EXT and/EXT) polarity in one group of pumping signal is opposite.
S202, the first one group of amplifying circuit pair pumping signal carry out signal enhanced processing, and by the excitation after enhanced processing
Signal is sent to motor rotation and becomes module.
S203, motor rotation become module and export cosine and sine signal to the second amplifying circuit.
As shown in Figure 1, the cosine and sine signal that motor rotation becomes module output includes one group of sinusoidal signal and one group of cosine signal,
Two-way sinusoidal signal (SIN+ and SIN-) polarity in one group of sinusoidal signal is on the contrary, two-way cosine signal in one group of cosine signal
(COS+ and COS-) polarity is opposite.
S204, the second amplifying circuit carry out signal enhanced processing to become decoding chip output first to rotation to cosine and sine signal
Sinusoidal signal and the first cosine signal, rotation become decoding chip and acquire the first sinusoidal signal and the first cosine signal.
S205, controller module acquire enhanced processing after pumping signal to obtain first amplitude, and acquire sine and cosine letter
Number to obtain the second amplitude, and motor rotation calculated according to first amplitude and the second amplitude becomes the rotation of module and become no-load voltage ratio.
In one embodiment of the invention, controller module can be MCU, and controller module can be put by AD2 mouthfuls of acquisitions
Any road pumping signal that treated greatly can be acquired arbitrary in cosine and sine signal with obtaining first amplitude V1 by AD1 mouthfuls
Signal is to obtain the second amplitude V2 all the way.In one embodiment of the invention, motor rotation becomes mould rotation change in the block and can receive
Pumping signal, and export cosine and sine signal, therefore, by cosine and sine signal arbitrary second amplitude V2 of signal all the way divided by appoint
The first amplitude V1 of pumping signal can be obtained the rotation change no-load voltage ratio that motor rotation becomes module all the way.The embodiment of the present invention is as a result,
System being capable of automatic identification rotation change no-load voltage ratio.
S206, controller module are put according to rotation change the first amplifying circuit of voltage ratio control of motor rotation change module and/or second
The amplification factor of big circuit, so that the first sinusoidal signal and the first cosine signal are in the sampling interval that rotation becomes decoding chip.
In one embodiment of the invention, controller module uses SPI communication between can becoming decoding chip with rotation, with reality
The interaction of existing information.The controller module of the embodiment of the present invention can obtain rotation and become decoding chip for motor rotation change module output
Cosine and sine signal sampling interval, and according to the sampling interval, rotation become decoding chip output pumping signal and motor revolve
The rotation for becoming module becomes no-load voltage ratio, and the access of resistance is allocated by I/O mouthfuls of controls, to adjust the first amplifying circuit and/or the second amplification
The amplification factor of circuit, so that the first sinusoidal signal and the first cosine signal are in the sampling interval that rotation becomes decoding chip.
Specifically, in the system of the embodiment of the present invention, rotation becomes the first sinusoidal signal SIN for being acquired of decoding chip and the
The amplitude of one cosine signal COS is respectively Vsin and Vcos, then Vsin (or Vcos)=2Vpp*M1*N*M2 (formula 1), wherein
Vpp is the peak-to-peak value for the pumping signal that rotation becomes decoding chip output, and the rotation that N becomes module for motor rotation becomes no-load voltage ratio, M1 and M2 difference
For the amplification factor of the first amplifying circuit and the second amplifying circuit.Assuming that the rotation of the embodiment of the present invention becomes decoding chip for motor
Rotation becomes the sampling interval of the cosine and sine signal of module output as 2.1V to 4.0V, i.e. the ranging from 2.1V of Vsin or Vcos are extremely
4.0V.If rotation becomes the peak-to-peak value Vpp of the pumping signal of decoding chip output as 3.6V, the first amplitude V1 of AD2 mouthfuls of acquisitions is
7.2V, AD1 mouthfuls acquisition the second amplitude V2 be 2.059V, since 2.059V is not within the scope of 2.1V to 4.0V, because without
Can by rotation become decoding chip acquire, if do not include the first amplifying circuit and the second amplifying circuit, motor rotation become module and
Rotation becomes decoding chip and does not match that.In this case, controller module can be by adjusting the size of M1 and M2 so that root
It is within the scope of 2.1V to 4.0V according to 1 calculated Vsin (or Vcos) of formula.Since rotation becomes no-load voltage ratio N=V2/V1=
2.059/7.2=0.286 enabling the amplification factor M1=2 of the first amplifying circuit, the amplification factor M2=of the second amplifying circuit
0.75 so that Vsin (or Vcos)=2Vpp*M1*N*M2=2*3.6*2*0.286*0.75=3.089V, as a result, Vsin (or
Vcos) within the scope of 2.1V to 4.0V, and upper and lower redundancy is relatively large, becomes module and rotation to realize motor rotation
Become the matching of decoding chip.
Motor rotation according to the ... of the embodiment of the present invention becomes the control method of intelligent identifying system, is acquired by controller module defeated
Enter the amplitude that motor rotation becomes the pumping signal of module and the cosine and sine signal of motor rotation change module output, calculates motor rotation and become mould
The rotation of block becomes no-load voltage ratio, and by the way that the first amplifying circuit and the second amplifying circuit is arranged, and can become voltage ratio control first according to rotation and put
The amplification factor of big circuit and/or the second amplifying circuit, so that the signal for finally entering rotation change decoding chip is in rotation and becomes decoding
The sampling interval of chip, as a result, can not only automatic identification rotation become no-load voltage ratio, additionally it is possible to keep the signal that input rotation becomes decoding chip full
Foot rotation becomes the acquisition demand of decoding chip, realizes the Adaptive matching between electric machine controller and motor so that a motor
The motor that controller can become no-load voltage ratio with a variety of rotations matches use, improves the applicability of electric machine controller, meets motor control
The use demand of device hardware and software platform processed.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of motor rotation becomes intelligent identifying system, which is characterized in that revolve change module including motor, rotation becomes decoding chip, first
Amplifying circuit, the second amplifying circuit and controller module, wherein
The output end that the motor rotation becomes module is connected with the input terminal of second amplifying circuit, and the motor rotation becomes module and uses
In to second amplifying circuit export cosine and sine signal；
Second amplifying circuit, for the cosine and sine signal carry out signal enhanced processing with export the first sinusoidal signal and
First cosine signal；
The input terminal that the rotation becomes decoding chip is connected with the output end of second amplifying circuit, and the rotation becomes decoding chip and uses
In acquisition first sinusoidal signal and the first cosine signal, and export one group of pumping signal；
The input terminal of first amplifying circuit is connected with the output end that the rotation becomes decoding chip, first amplifying circuit
Output end and the motor, which revolve, to be become the input terminal of module and is connected, first amplifying circuit for one group of pumping signal into
Row signal enhanced processing, and the pumping signal after enhanced processing is sent to the motor rotation and becomes module；
The controller module becomes decoding chip with the rotation and is communicated, and the controller module is for acquiring at the amplification
Pumping signal after reason acquires the cosine and sine signal to obtain the second amplitude, and according to described to obtain first amplitude
First amplitude and second amplitude calculate the rotation that the motor rotation becomes module and become no-load voltage ratio, and are revolved according to the motor and become module
Rotation becomes the amplification factor of the first amplifying circuit and/or second amplifying circuit described in voltage ratio control, so that described first is sinusoidal
Signal and the first cosine signal are in the sampling interval that the rotation becomes decoding chip.
2. motor rotation according to claim 1 becomes intelligent identifying system, which is characterized in that the motor rotation becomes module output
Cosine and sine signal include one group of sinusoidal signal and one group of cosine signal, the two-way sinusoidal signal pole in one group of sinusoidal signal
Property is on the contrary, the two-way cosine signal polarity in one group of cosine signal is opposite.
3. motor rotation according to claim 2 becomes intelligent identifying system, which is characterized in that in one group of pumping signal
Excitation signals polarity is opposite.
4. motor rotation according to any one of claim 1-3 becomes intelligent identifying system, which is characterized in that the controller
Module, to obtain the first amplitude, and acquires the sine and cosine by any road pumping signal after acquiring the enhanced processing
Arbitrary signal all the way in signal is to obtain second amplitude, and by second amplitude divided by the first amplitude to obtain
It obtains the rotation that the motor rotation becomes module and becomes no-load voltage ratio.
5. motor according to claim 1 rotation becomes intelligent identifying system, which is characterized in that the controller module with it is described
Rotation uses SPI communication between becoming decoding chip.
6. a kind of rotation of motor becomes the control method of intelligent identifying system, which is characterized in that the system comprises motor revolve become module,
Rotation becomes decoding chip, the first amplifying circuit, the second amplifying circuit and controller module, the described method comprises the following steps：
The rotation becomes decoding chip and exports one group of pumping signal to first amplifying circuit；
First amplifying circuit carries out signal enhanced processing to one group of pumping signal, and the excitation after enhanced processing is believed
It number is sent to the motor rotation and becomes module；
The motor rotation becomes module and exports cosine and sine signal to second amplifying circuit；
Second amplifying circuit carries out signal enhanced processing to become decoding chip output to the rotation to the cosine and sine signal
First sinusoidal signal and the first cosine signal, the rotation become decoding chip and acquire first sinusoidal signal and the first cosine letter
Number；
The controller module acquires the pumping signal after the enhanced processing to obtain first amplitude, and acquires the sine and cosine
Signal calculates the rotation that the motor rotation becomes module to obtain the second amplitude, and according to the first amplitude and second amplitude
Become no-load voltage ratio；
The controller module is revolved according to the motor to be become the rotation of module and becomes the first amplifying circuit and/or described described in voltage ratio control
The amplification factor of second amplifying circuit, so that first sinusoidal signal and the first cosine signal are in the rotation and become decoding chip
Sampling interval.
7. motor rotation according to claim 6 becomes the control method of intelligent identifying system, which is characterized in that the motor rotation
The cosine and sine signal for becoming module output includes one group of sinusoidal signal and one group of cosine signal, the two-way in one group of sinusoidal signal
Sinusoidal signal polarity is on the contrary, the two-way cosine signal polarity in one group of cosine signal is opposite.
8. motor rotation according to claim 7 becomes the control method of intelligent identifying system, which is characterized in that described one group is swashed
The excitation signals polarity encouraged in signal is opposite.
9. the motor rotation according to any one of claim 6-8 becomes the control method of intelligent identifying system, which is characterized in that
The controller module, to obtain the first amplitude, and is acquired by any road pumping signal after acquiring the enhanced processing
Arbitrary signal all the way in the cosine and sine signal is to obtain second amplitude, and by second amplitude divided by described the
One amplitude becomes no-load voltage ratio to obtain the rotation that the motor rotation becomes module.
10. motor rotation according to claim 6 becomes the control method of intelligent identifying system, which is characterized in that the control
Device module and the rotation use SPI communication between becoming decoding chip.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403106.5A CN105958894B (en) | 2016-06-08 | 2016-06-08 | Motor rotation transformer intelligent identification system and control method thereof |
| PCT/CN2016/103122 WO2017211038A1 (en) | 2016-06-08 | 2016-10-24 | Motor resolver intelligent identification system, and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403106.5A CN105958894B (en) | 2016-06-08 | 2016-06-08 | Motor rotation transformer intelligent identification system and control method thereof |
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| Publication Number | Publication Date |
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| CN105958894A CN105958894A (en) | 2016-09-21 |
| CN105958894B true CN105958894B (en) | 2018-09-11 |
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| CN201610403106.5A Active CN105958894B (en) | 2016-06-08 | 2016-06-08 | Motor rotation transformer intelligent identification system and control method thereof |
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| CN (1) | CN105958894B (en) |
| WO (1) | WO2017211038A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958894B (en) * | 2016-06-08 | 2018-09-11 | 北京新能源汽车股份有限公司 | Motor rotation transformer intelligent identification system and control method thereof |
| CN107465369B (en) * | 2017-07-31 | 2020-02-18 | 北京新能源汽车股份有限公司 | Self-adaptive detection method and device for feedback signal of rotary transformer |
| CN108429494A (en) * | 2018-04-28 | 2018-08-21 | 深圳市伟创电气有限公司 | A kind of rotation becomes the processing circuit and processing unit of exciter response signal |
| CN109787617B (en) * | 2018-12-10 | 2024-04-12 | 河北汉光重工有限责任公司 | CPLD-based method for frequency-fixing phase-locking of rotary excitation signal |
| CN109450306B (en) * | 2018-12-20 | 2024-09-17 | 大连电机集团有限公司 | Portable permanent magnet motor rotation angle adjusting device for vehicle |
| CN109617464A (en) * | 2019-01-14 | 2019-04-12 | 北京机械设备研究所 | A kind of rotary transformer coding/decoding method and system based on pwm signal excitation |
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| US3584276A (en) * | 1969-05-13 | 1971-06-08 | Allis Chalmers Mfg Co | Vehicle electric motor drive system |
| CN201167302Y (en) * | 2007-12-26 | 2008-12-17 | 比亚迪股份有限公司 | Circuit for amplifying differential signal |
| CN101719752B (en) * | 2009-11-26 | 2011-08-03 | 西北工业大学 | Method and device for detecting position of rotor of brushless motor |
| CN104819732A (en) * | 2015-05-08 | 2015-08-05 | 深圳市英威腾电动汽车驱动技术有限公司 | Rotary transformer decoding circuit and control method thereof |
| CN105958894B (en) * | 2016-06-08 | 2018-09-11 | 北京新能源汽车股份有限公司 | Motor rotation transformer intelligent identification system and control method thereof |
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| CN105958894A (en) | 2016-09-21 |
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