CN105866687A - Simulation device of rotary transformer and measurement system of motor driver - Google Patents
Simulation device of rotary transformer and measurement system of motor driver Download PDFInfo
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- CN105866687A CN105866687A CN201610444618.6A CN201610444618A CN105866687A CN 105866687 A CN105866687 A CN 105866687A CN 201610444618 A CN201610444618 A CN 201610444618A CN 105866687 A CN105866687 A CN 105866687A
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- interface
- analog
- rotary transformer
- switch
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- 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
-
- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Abstract
The invention discloses a simulation device of a rotary transformer. The simulation device comprises a single chip microcomputer and a rotary transformer simulation module, wherein the rotary transformer simulation module comprises an input control interface, an output control interface, an excitation signal receiving and fault judging circuit, a digital-analogue conversion chip, a multiplier and a middle point biased circuit, wherein the single chip microcomputer comprises a common I/O interface, a processor and an SPI (Serial Peripheral Interface) communication interface. By additionally arranging the excitation signal receiving and fault judging circuit, the judgment of an excitation signal can be realized, so that whether a motor driver has faults or not is determined. Furthermore, the single chip microcomputer can be used for receiving different control instructions of an upper computer and a carrier signal and a modulating wave signal are converted into a control signal through utilizing the multiplier, so that a simulation function of different types of the rotary transformers can be realized. With the adoption of the device, the richness of functions of a measurement system is improved and the cost can be reduced. The invention further discloses the measurement system of the motor driver, which has the effect above.
Description
Technical field
The present invention relates to technical field of electricity, particularly relate to the simulation dress of a kind of rotary transformer
Put and the measurement system of motor driver.
Background technology
Rotary transformer (resolver/transformer) is a kind of electromagnetic sensor, also known as synchronization
Decomposer.It is a kind of small-sized ac motor measuring angle, is used for measuring rotating object
Rotating shaft angular travel and angular velocity, be made up of stator and rotor.Wherein stator winding is as transformation
The former limit of device, accepts excitation voltage, and excitation frequency is generally with 400,3000 and 5000Hz etc..
Rotor windings, as the secondary of transformator, obtains induced voltage by electromagnetic coupled.
Rotary transformer, as a kind of measurement apparatus, is often wanted and system under test (SUT), as motor drives
Device connection measures, and every its parameter of rotary transformer is fixing, it is impossible to change, only
The system under test (SUT) matched with it can be measured.Therefore, when facing the tested of different parameters
During system, it is sometimes necessary to the rotary transformer of number of different types realizes, in other words,
When system under test (SUT) has polytype, a rotary transformer cannot complete whole systems under test (SUT)
Measurement.It addition, traditional rotary transformer can only realize the measurement to system under test (SUT), it is impossible to
Whether detection system under test (SUT) breaks down.In sum, existing rotary transformer function is inadequate
Abundant, measure high cost and serious waste of resources.
As can be seen here, how to improve and measure the rich of systemic-function, and reduction cost is ability
Field technique personnel ground urgently to be resolved hurrily problem.
Summary of the invention
It is an object of the invention to provide analog and the motor driver of a kind of rotary transformer
Measurement system, for improve measure systemic-function rich, and reduce cost.
For solving above-mentioned technical problem, the present invention provides the analog of a kind of rotary transformer,
Including: single-chip microcomputer and rotary transformer analog module,
Described rotary transformer analog module includes that the pumping signal output with motor driver connects
The input that mouth connects controls interface, is connected with the control signal receiving interface of described motor driver
Output control interface, with described input control interface is connected pumping signal reception and fault sentence
Deenergizing；
Described single-chip microcomputer includes controlling interface with described input and described output controls interface and all connects
General purpose I/O Interface connect, with the control command that host computer is connected to identify described host computer
Processor, the SPI communication interface being connected with described processor；
Described rotary transformer analog module also includes the digital-to-analogue being connected with described SPI communication interface
The modulation wave signal that conversion chip is corresponding to export described control command, with described digital-to-analogue conversion core
The multiplier of sheet connection and midpoint biasing circuit, described multiplier also receives with described pumping signal
And fault judging circuit and described output control interface and connect, so that described pumping signal is received and
Carrier signal and the described modulation wave signal of fault judging circuit output generate control signal, and lead to
Cross described output and control interface output to described motor driver.
Preferably, described input control interface includes that positive energize signaling switch and negative energize signal are opened
Close, and the switch matrix that is connected with described positive energize signaling switch and with described negative energize signal
The switch matrix that switch connects.
Preferably, described analog-digital chip is 16 analog-digital chips.
Preferably, described rotary transformer analog module also includes: communication module and control command
Input interface, described host computer by described control command input interface and described communication module with
Described processor connects.
Preferably, described control command input interface include CAN interface, USB interface,
RS232/485 EBI and/or Ethernet interface.
Preferably, described single-chip microcomputer also includes analog-digital converter, and described analog-digital converter is with described
Pumping signal receives and fault judging circuit connects.
Preferably, described multiplier is four-quadrant multiplier.
Preferably, described output control interface include the first switch, second switch, the 3rd switch,
4th switch, and the switch matrix being connected and the described 3rd company of switch is switched with described first
The switch matrix connect switchs, with the described 4th, the switch matrix being connected.
Preferably, the power module being connected with described rotary transformer analog module is also included.
The measurement system of a kind of motor driver, including host computer, motor driver and described
The analog of rotary transformer.
The analog of rotary transformer provided by the present invention and the measurement system of motor driver
System, can realize sentencing pumping signal by increasing pumping signal reception and fault judging circuit
It is disconnected, so that it is determined that whether motor driver breaks down.It addition, can be received by single-chip microcomputer
The control instruction that host computer is different, utilizes multiplier that carrier signal and modulation wave signal are generated control
Signal processed, and exported to motor driver by output control interface, it is thereby achieved that right
The analog functuion of different types of motor driver.In sum, this analog not only improves
Measure the rich of systemic-function, and cost can be reduced.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention, will use required in embodiment below
Accompanying drawing do simple introduction, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, do not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
The structure chart of the analog of a kind of rotary transformer that Fig. 1 provides for the present invention；
The pumping signal that Fig. 2 provides for the present invention receives and fault judging circuit figure；
The structure chart of a kind of switch matrix that Fig. 3 provides for the present invention；
The electricity that a kind of midpoint biasing circuit that Fig. 4 provides for the present invention is corresponding with analog-digital chip
Lu Tu；
The circuit diagram that a kind of analog-digital chip that Fig. 5 provides for the present invention is corresponding；
The structure chart of the analog of the another kind of rotary transformer that Fig. 6 provides for the present invention；
The structure chart of the measurement system of a kind of motor driver that Fig. 7 provides for the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment rather than whole embodiment.Based on the embodiment in the present invention, this area is common
Technical staff under not making creative work premise, the every other embodiment obtained,
Broadly fall into scope.
The core of the present invention is to provide analog and the motor driver of a kind of rotary transformer
Measurement system.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings
The present invention is described in further detail with detailed description of the invention.
The structure chart of the analog of a kind of rotary transformer that Fig. 1 provides for the present invention.Such as figure
Shown in 1, the analog 1 of rotary transformer includes: single-chip microcomputer 10 and rotary transformer simulation
Module 20,
Rotary transformer analog module 20 includes that the pumping signal output with motor driver 3 connects
The input that mouth connects controls interface 200, connects with the control signal receiving interface of motor driver 3
The output that connects controls interface 201, control with input pumping signal reception that interface 200 is connected and
Fault judging circuit 202；
Single-chip microcomputer 10 includes controlling interface 200 with input and output controls interface 201 and is all connected with
General purpose I/O Interface 100, with host computer 1 be connected to identify host computer 1 control command
Processor 101, the SPI communication interface 102 being connected with processor 101；
Rotary transformer analog module 1 also includes that the digital-to-analogue being connected with SPI communication interface 102 turns
Change the modulation wave signal that chip 203 is corresponding to export control command, with analog-digital chip 203
The multiplier 204 connected and midpoint biasing circuit 205, multiplier 204 also connects with pumping signal
Receive and fault judging circuit 202 controls interface 201 with output and connects, pumping signal to be received
And the carrier signal of fault judging circuit 202 output and modulation wave signal generate control signal, and
Control interface 201 by output to export to motor driver 3.
In being embodied as, single-chip microcomputer 10 is mainly used in receiving switch command and the control of host computer
Order processed etc., the general purpose I/O Interface 100 in single-chip microcomputer 10 is used for when receiving switch command,
Control input control interface 200 and output controls interface 201 and opens, to ensure pumping signal energy
Enough inputs and control signal can export.The side of Control can be used in actual applications
Formula, owing to unlatching and the disconnection of relay control switch are controls familiar to those skilled in the art
Mode processed, the present invention repeats no more.When input controls interface 200 and output control interface 201
After unlatching, it is possible to received by pumping signal and fault judging circuit 202 receives pumping signal.
In the present invention, pumping signal receives and fault judging circuit 202 can not only receive pumping signal and incite somebody to action
Pumping signal transmission is to multiplier 204, and can interpolate that the pumping signal of input is the most normal,
I.e. may determine that whether motor driver 3 breaks down.The excitation letter that Fig. 2 provides for the present invention
Number receive and fault judging circuit figure.By after the voltage of detection EXC+ and EXC-being whether
Direct current, if judge that within normal voltage range pumping signal is the most normal.
Processor 101, after receiving the control command of host computer or other external equipments, resolves
This control command, and the result after being resolved by SPI communication interface 102 sent to digital-to-analogue and turns
Changing chip 203, analog-digital chip 203 converts digital signals into analogue signal to export control
The modulation wave signal that system order is corresponding, and send to multiplier 204, meanwhile, midpoint biased electrical
The midpoint of road 205 output signal, such as, when signal is sinusoidal signal, export sinusoidal signal
Mid-point voltage signal.Multiplier 204 is receiving pumping signal reception and fault judging circuit
The modulation wave signal that 202 carrier signals sent and analog-digital chip 203 send carries out computing
Generate control signal, and send control signals to output control interface 201.Due in reality
In application, it is often necessary to simulate Sin, SinLow (in the present invention, Sin, Cos refer to simultaneously
Sinusoidal signal and cosine signal, Sin and SinLow is one group of contrary signal, Cos and Coslow
It is one group of contrary signal) Cos, CosLow tetra-tunnel output signal, for ensureing every road signal
Independence, this invention uses the four-quadrant multiplier of 4 tunnel independences.It is to be understood that now,
Digital to analog converter, biasing circuit be also required to increase, in other words, multiplier, digital to analog converter,
Biasing circuit is the hardware device that 4 sets repeat.When 4 kinds of signals simulated by needs, then export
Control interface 201 to include the first switch K1, second switch K2, the 3rd switch K3, the 4th open
Close K4, and the switch matrix 300 and the second switch K2 that are connected with the first switch K1 connect
The switch matrix 300 connect, the switch matrix 300 being connected with the 3rd switch K3 and the 4th switch
The switch matrix 300 connected.It is understood that first switch K1, second switch K2,
3rd switch K3, the 4th switch K4 are separate, are used for exporting different types of signal.Open
Close K1～K4 and coordinate corresponding switch matrix 300, the on/off to this road signal, over the ground can be realized
/ power supply short circuit, coil short fault etc. are simulated.A kind of switch matrix that Fig. 3 provides for the present invention
Structure chart.A kind of midpoint biasing circuit that Fig. 4 provides for the present invention and analog-digital chip pair
The circuit diagram answered.By the circuit diagram of Fig. 4, it is possible to midpoint electricity corresponding for output Sin with Cos
Pressure value.The circuit diagram that a kind of analog-digital chip that Fig. 5 provides for the present invention is corresponding.By figure
5, it is possible to output Sin and Cos signal.
The analog of rotary transformer that the present invention provides, receive by increasing pumping signal and
Fault judging circuit can realize the judgement to pumping signal, so that it is determined that whether motor driver
Break down.It addition, can receive, by single-chip microcomputer, the control instruction that host computer is different, utilize
Carrier signal and modulation wave signal are generated control signal by multiplier, and control interface by output
Output is to motor driver, it is thereby achieved that the simulation to different types of motor driver
Function.
The structure chart of the analog of the another kind of rotary transformer that Fig. 6 provides for the present invention.As
Shown in Fig. 6, on the basis of above-described embodiment, it is preferably carried out mode as one, input
Control interface 200 and include positive energize signaling switch K5 and negative energize signal K6 switch, Yi Jiyu
Positive energize signaling switch K5 connect switch matrix 300 and be connected with negative energize signaling switch K6
Switch matrix 300.
On the basis of above-described embodiment, it is preferably carried out mode, digital-to-analogue conversion core as one
Sheet 203 is 16 analog-digital chips.Can not only be improved by 16 analog-digital chips
The speed of conversion, and the precision of conversion can also be improved.
On the basis of above-described embodiment, it is preferably carried out mode, rotary transformer as one
Analog module 20 also includes: communication module 206 and control command input interface 207, host computer
1 is connected with processor 101 by control command input interface 207 and communication module 206.Control
Command input interface 207 processed includes CAN interface, USB interface, RS232/485 bus
Interface and/or Ethernet interface.
On the basis of above-described embodiment, being preferably carried out mode as one, single-chip microcomputer 1 is also
Including analog-digital converter 103, analog-digital converter 103 receives with pumping signal and breakdown judge electricity
Road 202 connects.Pumping signal receives and the judged result of fault judging circuit 202 output is mould
Analog quantity, analog quantity is converted to digital quantity by analog-digital converter 103.
On the basis of above-described embodiment, it is preferably carried out mode as one, also includes and rotation
Change the power module 208 that depressor analog module 20 connects.Power module 208 is for for rotating
Other hardware in transformer analog module 20 provides electric energy.
The structure chart of the measurement system of a kind of motor driver that Fig. 7 provides for the present invention.Motor
The measurement system of driver includes host computer 1, motor driver 3 and the mould of rotary transformer
Intend device 2.
The work of the analog 2 of rotary transformer is described in detail due to above-described embodiment
Principle, the present embodiment repeats no more.
The measurement system of the motor driver that the present embodiment provides, including the simulation of rotary transformer
Device, can realize pumping signal by increasing pumping signal reception and fault judging circuit
Judge, so that it is determined that whether motor driver breaks down.It addition, can be connect by single-chip microcomputer
Receive the control instruction that host computer is different, utilize multiplier carrier signal and modulation wave signal to be generated
Control signal, and exported to motor driver by output control interface, it is thereby achieved that
Analog functuion to different types of motor driver.
Above to the analog of rotary transformer provided by the present invention and motor driver
Measurement system is described in detail.In description, each embodiment uses the mode gone forward one by one to describe,
What each embodiment stressed is the difference with other embodiments, each embodiment it
Between identical similar portion see mutually.For device disclosed in embodiment, due to it
Correspond to the method disclosed in Example, so describe is fairly simple, the relevant part side of seeing
Method part illustrates.It should be pointed out that, for those skilled in the art,
Under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification,
These improve and modify in the protection domain also falling into the claims in the present invention.
Professional further appreciates that, describes in conjunction with the embodiments described herein
The unit of each example and algorithm steps, it is possible to electronic hardware, computer software or the two
Be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, in described above
In generally described composition and the step of each example according to function.These functions are actually
Perform with hardware or software mode, depend on application-specific and the design constraint of technical scheme
Condition.Each specifically should being used for can be used different methods to realize institute by professional and technical personnel
The function described, but this realization is it is not considered that beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can be direct
Implement with hardware, the software module of processor execution, or the combination of the two.Software module
Random access memory (RAM), internal memory, read only memory (ROM), electrically programmable can be placed in
ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM,
Or in any other form of storage medium well known in technical field.
Claims (10)
1. the analog of a rotary transformer, it is characterised in that including: single-chip microcomputer and
Rotary transformer analog module,
Described rotary transformer analog module includes that the pumping signal output with motor driver connects
The input that mouth connects controls interface, is connected with the control signal receiving interface of described motor driver
Output control interface, with described input control interface is connected pumping signal reception and fault sentence
Deenergizing；
Described single-chip microcomputer includes controlling interface with described input and described output controls interface and all connects
General purpose I/O Interface connect, with the control command that host computer is connected to identify described host computer
Processor, the SPI communication interface being connected with described processor；
Described rotary transformer analog module also includes the digital-to-analogue being connected with described SPI communication interface
The modulation wave signal that conversion chip is corresponding to export described control command, with described digital-to-analogue conversion core
The multiplier of sheet connection and midpoint biasing circuit, described multiplier also receives with described pumping signal
And fault judging circuit and described output control interface and connect, so that described pumping signal is received and
Carrier signal and the described modulation wave signal of fault judging circuit output generate control signal, and lead to
Cross described output and control interface output to described motor driver.
The analog of rotary transformer the most according to claim 1, it is characterised in that
Described input controls interface and includes positive energize signaling switch and negative energize signaling switch, and with institute
State positive energize signaling switch connect switch matrix and with opening that described negative energize signaling switch is connected
Close matrix.
The analog of rotary transformer the most according to claim 1, it is characterised in that
Described analog-digital chip is 16 analog-digital chips.
The analog of rotary transformer the most according to claim 1, it is characterised in that
Described rotary transformer analog module also includes: communication module and control command input interface, institute
State host computer to be connected with described processor by described control command input interface and described communication module
Connect.
The analog of rotary transformer the most according to claim 4, it is characterised in that
Described control command input interface includes CAN interface, USB interface, RS232/485
EBI and/or Ethernet interface.
The analog of rotary transformer the most according to claim 1, it is characterised in that
Described single-chip microcomputer also includes that analog-digital converter, described analog-digital converter receive with described pumping signal
And fault judging circuit connects.
The analog of rotary transformer the most according to claim 1, it is characterised in that
Described multiplier is four-quadrant multiplier.
The analog of rotary transformer the most according to claim 7, it is characterised in that
Described output controls interface and includes the first switch, second switch, the 3rd switch, the 4th switch,
And the cubicle switchboard that the switch matrix being connected is connected is switched with described 3rd switch with described first
Battle array switchs, with the described 4th, the switch matrix being connected.
The analog of rotary transformer the most according to claim 1, it is characterised in that
Also include the power module being connected with described rotary transformer analog module.
10. the measurement system of a motor driver, it is characterised in that include upper mechanical, electrical
The analog of the rotary transformer described in machine driver and claim 1-9 any one.
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| CN106326608A (en) * | 2016-10-28 | 2017-01-11 | 中国电子科技集团公司第五十八研究所 | Sine and cosine modulating signal model for simulating rotary transformation motor |
| CN106353681A (en) * | 2016-11-14 | 2017-01-25 | 重庆青山工业有限责任公司 | Detecting device for automobile motor and transmission sensor |
| CN107769630A (en) * | 2017-11-13 | 2018-03-06 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of permagnetic synchronous motor position decoding monitoring system |
| CN108007328A (en) * | 2017-11-08 | 2018-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of method of simulation data variable differential transformer class sensor signal |
| CN109444622A (en) * | 2018-10-12 | 2019-03-08 | 中国人民解放军海军工程大学 | A kind of shaft angle sends system failure automatic testing method, system and device |
| CN113985860A (en) * | 2021-12-27 | 2022-01-28 | 苏州英特模汽车科技有限公司 | Rotary transformer simulation equipment and test system containing multiple working modes |
| CN114039459A (en) * | 2021-10-25 | 2022-02-11 | 智新控制系统有限公司 | Rotary transformer simulation detection method and rotary transformer simulator |
| CN117666446A (en) * | 2024-01-30 | 2024-03-08 | 湖南高至科技有限公司 | Servo control driver test system |
| CN117666446B (en) * | 2024-01-30 | 2024-04-19 | 湖南高至科技有限公司 | Servo control driver test system |
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| CN106353681B (en) * | 2016-11-14 | 2023-07-21 | 重庆青山工业有限责任公司 | Automobile motor and speed changer sensor detection equipment |
| CN108007328A (en) * | 2017-11-08 | 2018-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of method of simulation data variable differential transformer class sensor signal |
| CN107769630A (en) * | 2017-11-13 | 2018-03-06 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of permagnetic synchronous motor position decoding monitoring system |
| CN107769630B (en) * | 2017-11-13 | 2020-09-22 | 中国航空工业集团公司西安航空计算技术研究所 | Permanent magnet synchronous motor position decoding monitoring system |
| CN109444622B (en) * | 2018-10-12 | 2020-11-24 | 中国人民解放军海军工程大学 | Automatic fault detection method, system and device for shaft angle sending system |
| CN109444622A (en) * | 2018-10-12 | 2019-03-08 | 中国人民解放军海军工程大学 | A kind of shaft angle sends system failure automatic testing method, system and device |
| CN114039459A (en) * | 2021-10-25 | 2022-02-11 | 智新控制系统有限公司 | Rotary transformer simulation detection method and rotary transformer simulator |
| CN114039459B (en) * | 2021-10-25 | 2023-05-30 | 智新控制系统有限公司 | Rotation simulation detection method and rotation simulator |
| CN113985860A (en) * | 2021-12-27 | 2022-01-28 | 苏州英特模汽车科技有限公司 | Rotary transformer simulation equipment and test system containing multiple working modes |
| CN117666446A (en) * | 2024-01-30 | 2024-03-08 | 湖南高至科技有限公司 | Servo control driver test system |
| CN117666446B (en) * | 2024-01-30 | 2024-04-19 | 湖南高至科技有限公司 | Servo control driver test system |
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