CN108872858A - A kind of brushless no position gyro winding back emf signal imitation device and method - Google Patents
A kind of brushless no position gyro winding back emf signal imitation device and method Download PDFInfo
- Publication number
- CN108872858A CN108872858A CN201811128058.9A CN201811128058A CN108872858A CN 108872858 A CN108872858 A CN 108872858A CN 201811128058 A CN201811128058 A CN 201811128058A CN 108872858 A CN108872858 A CN 108872858A
- Authority
- CN
- China
- Prior art keywords
- signal
- circuit
- emf
- detection information
- sent
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Abstract
The invention belongs to instrument and meter and automatic detection system fields, it is related to a kind of brushless no position gyro winding back emf signal imitation device, including main control module, back-emf signal generation circuit, phase discriminator, freq converting circuit, current monitoring circuit, human-computer interaction module and control circuit；Human-computer interaction module is used to send operational order to main control module, is also used to show that main control module sends treated detection information；Main control module, it is used for the operational order generation control signal sent according to human-computer interaction module is received, and send control signals to back-emf signal generation circuit, it is also used to obtain phase discriminator, freq converting circuit and current monitoring circuit detection information, and handled, by treated, detection information is sent to human-computer interaction module；Back-emf signal generation circuit is used for basis and receives control signal generation back-emf analog signal, and back-emf analog signal is sent to control circuit；Quickly it is accurately positioned control circuit failure.
Description
Technical field
The invention belongs to instrument and meter and automatic detection system fields, and it is anti-electric to be related to a kind of brushless no position gyro motor
Gesture signal imitation device and method.
Background technique
In high accuracy gyroscope instrument, position-sensor-free brushless, permanently excited direct current motor is generallyd use as driving motor.
Gyro machine includes motor body and control circuit two parts, and control circuit is the key component of gyro machine；Traditional direct current
Rotor-position sensor makes the structure of motor become complicated in torque motor, therefore, in brushless no position gyro motor, application
The technology of no-rotor position sensor control replaces sensor using back-emf sensing circuit, multiple to improve circuit and control
Polygamy reduces the complexity of motor.Meanwhile to meet gyro machine to the particular/special requirement of rotating stability, in control circuit
Also apply PHASE-LOCKED LOOP PLL TECHNIQUE.
At closed-loop control, various signals also influence each other for motor body and control circuit, when failure, fault location ratio
It is more difficult.At present the equipment can only judge in the detection process gyro machine can start, revolving speed it is whether stable, but fault location
It is not specific, it can not judge motor body failure or control circuit failure.Once breaking down, intact gyro electricity need to be purchased
Machine is used for Measuring error, but higher cost, while control circuit performance is unable to test.
Summary of the invention
The object of the present invention is to provide a kind of brushless no position gyro winding back emf signal imitation device and methods, solve
The problems such as gyro machine detection means is deficient, fault location is difficult, realizes the quick inspection to gyro machine control circuit failure
It surveys and is accurately positioned, integration degree is high, and scalability is strong.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of brushless no position gyro winding back emf signal
Simulator, including main control module, back-emf signal generation circuit, phase discriminator, freq converting circuit, current monitoring circuit,
Human-computer interaction module and control circuit；
The human-computer interaction module is used to send operational order to main control module, is also used to show that main control module is sent
Detection information that treated；
The main control module is used for the operational order that human-computer interaction module is sent based on the received and generates control signal,
And back-emf signal generation circuit is sent control signals to, it is also used to obtain phase discriminator, freq converting circuit and electric current and supervises
The detection information of slowdown monitoring circuit, and handled, by treated, detection information is sent to human-computer interaction module；
The back-emf signal generation circuit is used to generate back-emf analog signal according to the control signal received,
And back-emf analog signal is sent to the control circuit；
The control circuit is used to receive the back-emf analog signal as the anti-of substitution motor body generation
Electric potential signal, and according to the adjustable motor drive signal of variation output pulse width of back-emf signal, then give to back-emf signal and produce
Raw circuit, forms closed loop, to simulate brushless no position motors drive control process；
The phase discriminator is used for phase difference pulse signal between acquisition control circuit speed feedback and reference frequency,
And according to tracking convergence time and disturbance turnaround time in demodulation control circuit, the control circuit speed stabilizing is controlled to generate
Accuracy detection information sends main control module；
The freq converting circuit is used to acquire the back-emf frequency analog signal in the control circuit, will anti-electricity
Gesture frequency analog signal is converted into motor body revolving speed, and the rotating stability detection information for generating motor body is sent to master control
Module；
The current monitoring circuit is used for according to motor body winding current in the control circuit, by electric current
Race and it is non-linear analyzed, so that generating external synchronously control performance detection information in control circuit sends main control module.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the main control module includes the first signal receiving unit, the first signal generation unit, the transmission of the first signal
Unit, second signal receiving unit, signal processing unit and second signal transmission unit；
First signal receiving unit, is used to receive the operational order of human-computer interaction module transmission, and operation is referred to
Order is sent to the first signal generation unit；
The first signal generation unit is used to generate corresponding control signal according to the operational order received, and
Send control signals to the first signal transmitting unit；
First signal transmitting unit is used to send control signal and gives back-emf signal generation circuit；
The second signal receiving unit is used to acquire the phase discriminator, freq converting circuit and current monitoring electricity
The detection information that road is sent, and will test information and send signal processing unit；
The signal processing unit is used to handle the phase discriminator, freq converting circuit and current monitoring circuit and sends out
Detection information, generate corresponding testing result and be sent to second signal transmission unit；
The second signal transmission unit is used to send testing result to human-computer interaction module.
Further, the human-computer interaction module includes instruction generation unit and display unit；
Described instruction generation unit is used to generate corresponding operation instruction according to user instructions；
The display unit is used to show the testing result that receives that treated.
Further, the main control module is ARM main control module.
Further, the ARM main control module is STM32F103C8T6C processor.
Further, the human-computer interaction module includes instruction generation unit and display unit；
Described instruction generation unit is used to generate corresponding operation instruction according to user instructions；
The display unit is used to show the testing result that receives that treated.
Another object of the present invention is to provide a kind of brushless no position gyro winding back emf signal imitation method, packets
It includes：
Step 1, the operational order of driving main control module is sent to the main control module by human-computer interaction module；
Step 2, it after the main control module receives operational order, generates corresponding control signal and is sent to back-emf production
Raw circuit；
Step 3, when the control signal that back-emf signal generation circuit receives main control module transmission generates back-emf simulation
Signal, and back-emf analog signal is sent to the control circuit；
Step 4, the control circuit receives the back-emf analog signal of the back-emf signal generation circuit, drives institute
State control circuit operating；
Step 5, the phase discriminator, freq converting circuit, current monitoring circuit difference acquisition control circuit speed stabilizing control
Accuracy detection information, rotating stability detection information, control performance detection information, and the detection information is sent to master control mould
Block；
Step 6, the main control module generates corresponding testing result according to detection information is received, and will test result hair
Human-computer interaction module is given to show.
Further, in the step 5 freq converting circuit acquisition control circuit rotating stability detection information, it is specific to wrap
It includes：
The freq converting circuit is according to the back-emf frequency analog signal acquired in the control circuit, by back-emf mould
Quasi- signal frequency is converted into motor body revolving speed, and generates the rotating stability detection information of motor body.
Further, in the step 5 current monitoring circuit acquisition control circuit control performance detection information, it is specific to wrap
It includes：
The current monitoring circuit is according to motor body winding current in the control circuit, by race to electric current and non-
It is linearly analyzed, to generate the detection information of external synchronously control performance in control circuit.
Further, the speed stabilizing of phase discriminator acquisition control circuit controls accuracy detection information in the step 5, specific to wrap
It includes：
The phase discriminator is according to phase difference pulse signal, and root between acquisition motor body speed feedback and reference frequency
According to tracking convergence time and disturbance turnaround time in demodulation control circuit, essence is controlled to speed stabilizing in the control circuit to generate
The detection information of degree.
Further, the step 6 specifically includes：
When the main control module receives the detection that the phase discriminator, freq converting circuit, current monitoring circuit acquire
Information, handles the testing result that the detection information generates corresponding control circuit, the testing result include current signal with
Fault diagnosis result；Human-computer interaction module is sent by the testing result to show.
The beneficial effects of the invention are as follows：Using generalization, intensive design philosophy, " gyro machine back-emf has been built
Signal imitation and control circuit performance test " platform, is with good expansibility.By studying brushless no position motors driving
Technology is emulated with Matlab and Multisim, is proposed that back-emf signal generates algorithm, is believed using DDS Technology design back-emf
Number generation circuit, realizes the excitation of circuit for controlling motor；With high-speed signal acquisition technology and the data processing algorithm of optimization,
The test of control circuit performance is realized, while having saved testing cost, reduces the malfunction elimination time, improves work effect
Rate.
Detailed description of the invention
Fig. 1 is a kind of brushless no position gyro winding back emf signal imitation apparatus structure schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of main control module of the present invention；
Fig. 3 is the structural schematic diagram of human-computer interaction module of the present invention；
Fig. 4 is gyro machine control circuit topological structure schematic diagram of the present invention；
Fig. 5 is a kind of brushless no position gyro winding back emf signal imitation method flow diagram of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
10, main control module, 11, back-emf signal generation circuit, 12, phase discriminator, 13, freq converting circuit, 14, electric current
Observation circuit, 15, human-computer interaction module, 16, control circuit, 20, motor, 21, back-emf sensing circuit, 22, square wave form electricity
Road, 23, frequency synthesizer circuit, 24, phase-locked loop circuit, 25, revolving speed setup unit, 26, commutating circuit, 27, velocity compensation circuit,
28, start-up circuit, 29, close power amplifier circuit, the 101, first signal receiving unit, the 102, first signal generation unit, 103,
One signal transmitting unit, 104, second signal receiving unit, 105, signal processing unit, 106, second signal transmission unit, 151
Instruction generation unit, 152 display units.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, for a kind of brushless no position gyro winding back emf signal imitation device, including main control module 10,
Back-emf signal generation circuit 11, phase discriminator 12, freq converting circuit 13, current monitoring circuit 14, human-computer interaction module 15
And control circuit 16；
The human-computer interaction module 15 is used to send operational order to main control module 10, is also used to show main control module
10 send treated detection information；
The main control module 10 is used for the operational order that human-computer interaction module 15 is sent based on the received and generates control letter
Number, and back-emf signal generation circuit 11 is sent control signals to, it is also used to obtain phase discriminator 12, freq converting circuit 13
With the detection information of current monitoring circuit 14, and handled, it will treated that detection information is sent to human-computer interaction module 15；
The back-emf signal generation circuit 11 is used to generate back-emf simulation letter according to the control signal received
Number, and back-emf analog signal is sent to the control circuit 16；
The control circuit 16 is used to receive what the back-emf analog signal was generated as substitution motor body
Back-emf signal, and according to the adjustable motor drive signal of variation output pulse width of back-emf signal, then give to back-emf signal
Generation circuit forms closed loop, to simulate brushless no position motors drive control process；
The phase discriminator 12 is used for phase difference pulse between acquisition control circuit speed feedback and reference frequency and believes
Number, and according to tracking convergence time and disturbance turnaround time in demodulation control circuit 16, to generate to the control circuit 16
Speed stabilizing controls accuracy detection information and sends main control module 10；
The freq converting circuit 13 is used to acquire the back-emf frequency analog signal in the control circuit 16, will
Back-emf frequency analog signal is converted into motor body revolving speed, and the rotating stability detection information for generating motor body is sent to
Main control module 10；
The current monitoring circuit 14 is used for according to motor body winding current in the control circuit 16, by right
The race of electric current and it is non-linear analyzed, so that generating external synchronously control performance detection information in control circuit sends master control mould
Block.
As shown in Fig. 2, being the structural schematic diagram of main control module of the present invention, the main control module 10 is received including the first signal
Unit 101, the first signal generation unit 102, the first signal transmitting unit 103, second signal receiving unit 104, signal processing
Unit 105 and second signal transmission unit 106；
First signal receiving unit 101 is used to receive the operational order of the transmission of human-computer interaction module 15, and will behaviour
Make instruction and is sent to the first signal generation unit 102；
The first signal generation unit 102 is used to generate corresponding control signal according to the operational order received,
And send control signals to the first signal transmitting unit 103；
First signal transmitting unit 103 is used to send control signal to back-emf signal generation circuit 11；
The second signal receiving unit 104 is used to acquire the phase discriminator 12, freq converting circuit 13 and electric current
The detection information that observation circuit 14 is sent, and will test information and send signal processing unit 105；
The signal processing unit 105 is used to handle the phase discriminator 12, freq converting circuit 13 and current monitoring
The detection information that circuit 14 is sent out, generates corresponding testing result and is sent to second signal transmission unit 106；
The second signal transmission unit 106 is used to send testing result to human-computer interaction module 15.
As shown in figure 3, being human-computer interaction module structural schematic diagram of the present invention, the human-computer interaction module 15 includes instruction life
At unit 151 and display unit 152；
Described instruction generation unit 151 is used to generate corresponding operation instruction according to user instructions；
The display unit 152 is used to show the testing result that receives that treated.
Preferably, the main control module 10 is ARM main control module, and the ARM main control module is at STM32F103C8T6C
Device is managed, which is the kernel based on ARMCortex-M3.Maximum clock frequency reaches 72MHZ, can handle a large amount of numbers in real time
According to, and internal A/D converter and multiple UART serial communication interfaces in 8 pieces, greatly improve system
Integrated level.
The gyro machine includes motor body and control circuit 16, and the motor body is in close with the control circuit 16
Ring control,
It is gyro machine control circuit topological structure schematic diagram of the present invention shown in Fig. 4.
The control circuit of the gyro machine includes that 20, two, the motor square wave of back-emf sensing circuit 21, two forms electricity
Road 22, commutating circuit 26, phase-locked loop circuit 24, revolving speed setup unit 25, velocity compensation circuit 27, is opened frequency synthesizer circuit 23
Close power amplifier 29 and start-up circuit 28；The input terminal of four base stages of H bridge is connected to the four of processor in the control circuit
A I/O mouthfuls is detected the real-time driving condition of motor 20, wherein motor 20 is the motor body in gyro machine, the motor
20 input is substituted by the back-emf analog signal of back-emf generation circuit, generates 0~500Hz phase according to its driving condition
Back-emf signal that constant difference is 90 ° is simultaneously generated according to certain control rule, and four tunnel feedback signals are connected to back-EMF determination
Four input terminals of circuit 21, to constitute loop control；
Four tunnel feedback signals of the motor 20 are connected with the input terminal of each back-emf sensing circuit 21 two-by-two, use
In inputting the back-emf signal that the motor is generated according to main control module 10 to back-emf sensing circuit 21；Each back-emf
The output end of detection circuit 21 is connected with the input terminal that each square wave forms circuit 22, for according to back-emf sensing circuit
21 pairs of back-emf signals generate stable high level and low level pulse signal after being filtered；Each square wave forms electricity
The output end on road 22 is connected with the input terminal of commutating circuit 26, frequency synthesizer circuit 23 respectively, for two stable height are electric
Direction in flat or low level pulse signal is inverted, for synthesizing two stable high level or low level pulse signal
The pulse signal of single-frequency；The input terminal of the phase-locked loop circuit 24 respectively with revolving speed setup unit 25, frequency synthesizer circuit
23 output end is connected, and when the phase-locked loop circuit 24 is applied to 20 speed stabilizing of motor, voltage controlled oscillator is generally by power amplifier
With replaced motor body, feedback loop is Hall speed signal, and since phase is the integral of frequency, phaselocked loop is to carry out phase
Compare, therefore motor speed control can be made to reach very high precision.
The input terminal of the velocity compensation circuit 27 is connected with the output end of phase-locked loop circuit 24, commutating circuit 26 respectively,
For carrying out phase compensation to reference frequency signal according to the setting of velocity compensation circuit 27；The output end of the start-up circuit 28
Be connected respectively with the output end of close power amplifier circuit 29, commutating circuit, for close power amplifier circuit 29 and commutating circuit 26
Stable starting voltage is provided；The input, output end of the close power amplifier circuit 29 respectively with velocity compensation circuit 27 and electricity
Four tunnel feedback signals of machine 20 are connected, and the tach signal for being sent according to velocity compensation circuit 27 is sent to electricity after stablizing amplification
Machine 20.
In this example, back-emf sensing circuit 21 includes low-pass filter, zero-crossing comparator, photoelectric coupling, motor
Three opposite potentials by partial pressure, have chance with low-pass filter, zero-crossing comparator of second order obtain detection waveform after drawing from end voltage, right
The detection waveform passes through square wave generative circuit 22, so that generating stable high level and low level pulse signal.Two pulses
Signal passes through the specific single-frequency of frequency synthesis, by the revolving speed for the gyro machine that revolving speed unit is set, by phaselocked loop electricity
Road 24 guarantees exported signal frequency control to specific reference frequency.When the revolving speed of gyro machine and the generation of reference frequency
When phase difference pulse, velocity compensation circuit 27 according to commutating circuit provide opposite pulse duration frequency signal to reference frequency signal into
Row phase compensation ensure that the stability and accuracy of reference frequency signal.The start-up circuit 28 to close power amplifier circuit 29,
The offer of commutating circuit 26 is square wave to voltage, possesses biggish capacitive load, convenient for the short module intermittent work that gives the correct time, function
It consumes small.The close power amplifier circuit 29 is because of the advantages that its loss is small, high-efficient, pass band, as final amplifier to input
Pulse signal amplify, provide enough power to motor 20.
As shown in figure 5, for a kind of brushless no position gyro winding back emf signal imitation method flow diagram of the present invention.
Step 1, the operational order of driving main control module is sent to the main control module by human-computer interaction module；
Step 2, it after the main control module receives operational order, generates corresponding control signal and is sent to back-emf production
Raw circuit；
Step 3, when the control signal that back-emf signal generation circuit receives main control module transmission generates back-emf simulation
Signal, and back-emf analog signal is sent to the control circuit；
Step 4, the control circuit receives the back-emf analog signal of the back-emf signal generation circuit, drives institute
State control circuit operating；
In this example, wherein it is to be in communication with each other between back-emf signal generation circuit 11 and control circuit 16, it being capable of shape
Control is circularized, the back-emf signal that back-emf signal generation circuit 11 generates can substitute motor, form closed-loop control.
Step 5, the phase discriminator, freq converting circuit, current monitoring circuit difference acquisition control circuit speed stabilizing control
Accuracy detection information, rotating stability detection information, control performance detection information, and the detection information is sent to master control mould
Block；
Preferably, in the step 5 freq converting circuit acquisition control circuit rotating stability detection information, it is specific to wrap
It includes：
The freq converting circuit is according to the back-emf frequency analog signal acquired in the control circuit, by back-emf mould
Quasi- signal frequency is converted into motor body revolving speed, and generates the rotating stability detection information of motor body.
Preferably, in the step 5 current monitoring circuit acquisition control circuit control performance detection information, it is specific to wrap
It includes：
The current monitoring circuit passes through the race to electric current according to motor body stator winding current in the control circuit
It is analyzed with non-linear, to generate the detection information of external synchronously control performance in control circuit.
Preferably, the speed stabilizing of phase discriminator acquisition control circuit controls accuracy detection information in the step 5, specific to wrap
It includes：
The phase discriminator is according to phase difference pulse signal, and root between acquisition motor body speed feedback and reference frequency
According to tracking convergence time and disturbance turnaround time in demodulation control circuit, essence is controlled to speed stabilizing in the control circuit to generate
The detection information of degree.
Step 6, the main control module generates corresponding testing result according to detection information is received, and will test result hair
Human-computer interaction module is given to show.
Preferably, when the main control module receives the phase discriminator, freq converting circuit, current monitoring circuit acquisition
Detection information, handle the testing result that the detection information generates corresponding control circuit, the testing result includes electric current
Signal and fault diagnosis result；Human-computer interaction module is sent by the testing result to show.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of brushless no position gyro winding back emf signal imitation device, which is characterized in that including main control module, back-emf
Signal generating circuit, phase discriminator, freq converting circuit, current monitoring circuit, human-computer interaction module and control circuit；
The human-computer interaction module is used to send operational order to main control module, is also used to show the place that main control module is sent
Detection information after reason；
The main control module is used for the operational order that human-computer interaction module is sent based on the received and generates control signal, and will
Control signal is sent to back-emf signal generation circuit, is also used to obtain phase discriminator, freq converting circuit and current monitoring electricity
The detection information on road, and handled, by treated, detection information is sent to human-computer interaction module；
The back-emf signal generation circuit is used to generate back-emf analog signal according to the control signal received, and will
Back-emf analog signal is sent to the control circuit；
The control circuit is used to receive the back-emf that the back-emf analog signal is generated as substitution motor body
Signal, and according to the adjustable motor drive signal of variation output pulse width of back-emf signal, then give to back-emf signal and generate electricity
Road forms closed loop, to simulate brushless no position motors drive control process；
The phase discriminator is used for phase difference pulse signal between acquisition control circuit speed feedback and reference frequency, and root
According to tracking convergence time and disturbance turnaround time in demodulation control circuit, precision is controlled to the control circuit speed stabilizing to generate
Detection information sends main control module；
The freq converting circuit is used to acquire the back-emf frequency analog signal in the control circuit, by back-emf mould
Quasi- signal frequency is converted into motor body revolving speed, and the rotating stability detection information for generating motor body is sent to master control mould
Block；
The current monitoring circuit is used to pass through the race to electric current according to motor body winding current in the control circuit
It is analyzed with non-linear, so that generating external synchronously control performance detection information in control circuit sends main control module.
2. the brushless no position gyro winding back emf signal imitation device of one kind according to claim 1, which is characterized in that
The main control module connects including the first signal receiving unit, the first signal generation unit, the first signal transmitting unit, second signal
Receive unit, signal processing unit and second signal transmission unit；
First signal receiving unit, is used to receive the operational order of human-computer interaction module transmission, and operational order is sent out
Give the first signal generation unit；
The first signal generation unit is used to generate corresponding control signal according to the operational order received, and will control
Signal processed is sent to the first signal transmitting unit；
First signal transmitting unit is used to send control signal and gives back-emf signal generation circuit；
The second signal receiving unit is used to acquire the phase discriminator, freq converting circuit and current monitoring circuit and sends out
The detection information sent, and will test information and send signal processing unit；
The signal processing unit is used to handle the inspection of the phase discriminator, freq converting circuit and current monitoring circuit hair
Measurement information generates corresponding testing result and is sent to second signal transmission unit；
The second signal transmission unit is used to send testing result to human-computer interaction module.
3. the brushless no position gyro winding back emf signal imitation device of one kind according to claim 2, which is characterized in that
The main control module is ARM main control module.
4. the brushless no position gyro winding back emf signal imitation device of one kind according to claim 3, which is characterized in that
The ARM main control module is STM32F103C8T6C processor.
5. the brushless no position gyro winding back emf signal imitation device of one kind according to claim 1, which is characterized in that
The human-computer interaction module includes instruction generation unit and display unit；
Described instruction generation unit is used to generate corresponding operation instruction according to user instructions；
The display unit is used to show the testing result that receives that treated.
6. a kind of brushless no position gyro winding back emf signal imitation method, which is characterized in that including as follows：
Step 1, the operational order of driving main control module is sent to the main control module by human-computer interaction module；
Step 2, it after the main control module receives operational order, generates corresponding control signal and is sent to back-emf generation electricity
Road；
Step 3, back-emf analog signal is generated when back-emf signal generation circuit receives the control signal that main control module is sent,
And back-emf analog signal is sent to the control circuit；
Step 4, the control circuit receives the back-emf analog signal of the back-emf signal generation circuit, drives the control
Circuit operating processed；
Step 5, the phase discriminator, freq converting circuit, current monitoring circuit difference acquisition control circuit speed stabilizing control precision
Detection information, rotating stability detection information, control performance detection information, and the detection information is sent to main control module；
Step 6, the main control module generates corresponding testing result according to detection information is received, and will test result and be sent to
Human-computer interaction module is shown.
7. according to right want 6 described in the brushless no position gyro winding back emf signal imitation method of one kind, which is characterized in that institute
The rotating stability detection information for stating freq converting circuit acquisition control circuit in step 5, specifically includes：
Back-emf is simulated and is believed according to the back-emf frequency analog signal acquired in the control circuit by the freq converting circuit
Number frequency translation is motor body revolving speed, and generates the rotating stability detection information of motor body.
8. according to right want 6 described in the brushless no position gyro winding back emf signal imitation method of one kind, which is characterized in that institute
The control performance detection information for stating current monitoring circuit acquisition control circuit in step 5, specifically includes：
The current monitoring circuit is according to motor body winding current in the control circuit, by race to electric current and non-linear
It is analyzed, to generate the detection information of external synchronously control performance in control circuit.
9. according to right want 6 described in the brushless no position gyro winding back emf signal imitation method of one kind, which is characterized in that institute
The speed stabilizing control accuracy detection information for stating phase discriminator acquisition control circuit in step 5, specifically includes：
The phase discriminator is according to phase difference pulse signal between acquisition motor body speed feedback and reference frequency, and according to solution
Tracking convergence time and disturbance turnaround time in control circuit are adjusted, to generate to speed stabilizing control precision in the control circuit
Detection information.
10. according to right want 6 described in the brushless no position gyro winding back emf signal imitation method of one kind, which is characterized in that
The step 6 specifically includes：
When the main control module receive the phase discriminator, freq converting circuit, current monitoring circuit acquisition detection information,
The testing result that the detection information generates corresponding control circuit is handled, the testing result includes that current signal is examined with failure
Disconnected result；Human-computer interaction module is sent by the testing result to show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128058.9A CN108872858A (en) | 2018-09-26 | 2018-09-26 | A kind of brushless no position gyro winding back emf signal imitation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128058.9A CN108872858A (en) | 2018-09-26 | 2018-09-26 | A kind of brushless no position gyro winding back emf signal imitation device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108872858A true CN108872858A (en) | 2018-11-23 |
Family
ID=64324918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811128058.9A Withdrawn CN108872858A (en) | 2018-09-26 | 2018-09-26 | A kind of brushless no position gyro winding back emf signal imitation device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108872858A (en) |
-
2018
- 2018-09-26 CN CN201811128058.9A patent/CN108872858A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103516279B (en) | A kind of permagnetic synchronous motor control chip based on FPGA | |
| CN101729013B (en) | Motor control system based on IP core of position sensor-free brushless direct-current motor | |
| CN204425298U (en) | A kind of faint AC signal amplitude lock-in amplifier | |
| CN101729005A (en) | Method for controlling brushless DC motor based on FPGA | |
| CN101729002A (en) | SOPC-based remote monitoring system of no-position sensor brushless DC motor | |
| CN104122089B (en) | Turboshaft engine speed torque signal simulation device and simulation method | |
| CN106444726B (en) | A kind of electric machine controller pilot system and installation and adjustment method | |
| CN108683365B (en) | Multi-direct current motor reverse series control system and method | |
| CN105068571A (en) | Multi-dimensional sinusoidal vibration control method and control apparatus | |
| CN107063221A (en) | Physical quantity detection circuit, electronic equipment and moving body | |
| CN113676086A (en) | Permanent magnet synchronous motor parameter self-identification device and method | |
| CN108999220A (en) | Horizontal cyclic loading system and method for offshore wind turbine pile foundation vibration test | |
| CN102607598B (en) | Method and device for production of gyroscope hardware | |
| CN105572477A (en) | Method and apparatus for measuring winding resistors of brushless direct-current motor, and early warning method | |
| CN104330735B (en) | A kind of brushless no position gyro winding back emf signal imitation device and method | |
| CN108872858A (en) | A kind of brushless no position gyro winding back emf signal imitation device and method | |
| CN111162705B (en) | Permanent magnet synchronous motor control system, method, controller and application thereof | |
| CN106441367B (en) | A kind of test method and device of optical fibre gyro feedback residual modulation phase | |
| CN105203020A (en) | Rotary transformer demodulation device for excitation synchronization | |
| CN204215018U (en) | A kind of brushless without position gyro winding back emf signal imitation device | |
| CN202034932U (en) | Magnetic suspension energy storage flywheel dragging motor integrated digital control system | |
| CN103983403A (en) | Apparatus and method for measuring operating performance and parameters of motor propeller system | |
| CN110645971A (en) | Injection method and circuit of laser gyroscope jitter noise | |
| CN106597281A (en) | No-load parameter detecting device for DC motor | |
| CN109557332B (en) | Rotation speed signal conversion device based on Taylor algorithm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181123 |
|
| WW01 | Invention patent application withdrawn after publication |