CN207098977U - A kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system - Google Patents
A kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system Download PDFInfo
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- CN207098977U CN207098977U CN201720636909.5U CN201720636909U CN207098977U CN 207098977 U CN207098977 U CN 207098977U CN 201720636909 U CN201720636909 U CN 201720636909U CN 207098977 U CN207098977 U CN 207098977U
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Abstract
The utility model provides a kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system, includes the host computer based on dSPACE semi-matter simulating systems, based on ARM and FPGA controller, drive system, voltage conversion circuit and data collecting system.This new driving control system, control is driven to servomotor using the closed-loop control of electric current loop and the fit system of closed-loop control of der Geschwindigkeitkreis, makes the control accuracy of servomotor, robustness and reliability；There is high accuracy, high reliability, energy-conservation, it is poor to solve current Digit Control Machine Tool control accuracy, high energy consumption, the problem of signal handling capacity falls behind, it can apply to medium and high classes Digit Control Machine Tool, can meet servomotor high speed, high-precision, high-power, high pulling torque, high rigidity, high reliability and it is multi-shaft interlocked etc. the needs of, realize Machine Tool Industry to medium-to-high grade transition and upgrade, the competitiveness in market is improved, current Chinese market Digit Control Machine Tool is of great significance with the research and development of motor driven systems and popularization tool.
Description
Technical field
The utility model belongs to numerical control machine tool technique field, more particularly to a kind of driving control of Digit Control Machine Tool servomotor
System processed.
Background technology
Digit Control Machine Tool and basic manufacturing equipment are equipment manufacture " machine-tools ", a national machine industry technology
Horizontal and product quality, it is the important symbol for weighing its equipment manufacture development level,《Made in China 2025》By Digit Control Machine Tool
The strategy of Chinese manufacturing is classified as with basic manufacturing equipment industry must strive one of field.Numerical control is not only navigated to Global Auto, aviation
My god, the contour strategic degree industry of high-end equipment manufacture, and for traditional industries such as textile garment, construction material, handicrafts,
All play important influence.
Servo-control system is related to the technical indicator of Digit Control Machine Tool as the core system for being numerically-controlled machine tool system.So
And the key technical index such as the control accuracy of domestic Digit Control Machine Tool, robustness, reliability with external there is huge spread, this
The serious fast development that govern China's machine industry.Therefore, the Digit Control Machine Tool permanent-magnet servo motor of the utility model development
Driving control system is highly desirable.The utility model is intended to break through some servomotors driving key technology, improves servo electricity
The indexs such as the control accuracy of machine, robustness, reliability, integrated innovation go out a collection of servomotor driving with independent intellectual property right
Control system, and the popularization and application on all kinds of Digit Control Machine Tools, the upgrading of Digit Control Machine Tool overall performance, function is realized, and then
Promote the development of the high precision numerical control marketization.
Utility model content
The purpose of this utility model is to provide a kind of control accuracy for improving servomotor, robustness and reliability it is new
The Digit Control Machine Tool of type permanent-magnet servo motor driving control system.
To achieve these goals, the utility model adopts the following technical scheme that：
A kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system, include in kind imitative based on dSPACE half
The host computer of true system, based on ARM and FPGA controller, drive system, voltage conversion circuit and data collecting system；Its
In：
Described host computer is connected to controller, carries out realizing both-way communication by CAN and controller；The control
The input of device is connected to voltage conversion circuit, obtains the voltage of steady operation；The input of the drive system is connected to electricity
Voltage conversion circuit, the voltage of steady operation is obtained, while be also connected to the output end of controller, the PWM control letters stablized
Number；The output end of the drive system is connected to the servomotor of Digit Control Machine Tool；
The data collecting system includes voltage/current sensor, rotary encoder and senser sampling circuit, described
Voltage/current sensor is connected to the power input of Digit Control Machine Tool servomotor, for servo motor of numerical control machine tool voltage,
The collection of electric current, the output end of the voltage/current sensor are connected to the input of the senser sampling circuit, the biography
The output end of sensor sample circuit is connected to the input of controller, and the rotary encoder is arranged on and Digit Control Machine Tool servo electricity
On the input shaft for the load motor that machine is connected, the output end of the rotary encoder is connected to the senser sampling circuit
Input；The voltage conversion circuit is the DC-DC voltage conversion circuits based on boost topology structure, the voltage conversion circuit
Input connection external electrical network three-phase electricity, three-phase alternating current is changed into direct current electricity output.
The drive system includes safety system module, SPM and high efficiency and heat radiation module, described efficient
Radiating module is made up of heat conducting and heat radiating fin and fan, and the SPM is connected to the signal of servo motor of numerical control machine tool
End, the model Mitsubishi PM50RL1A120 of the SPM.
The voltage conversion circuit includes rectification circuit, filter circuit, inverter circuit and DC-DC voltage conversion circuits, institute
The three-phase electricity of the input connection external electrical network of rectification circuit is stated, three-phase electricity becomes high pressure 538V direct current by rectification circuit
Electricity, the filter circuit is connected between the output end of the rectification circuit and the input of DC-DC voltage conversion circuits, described
The output end of DC-DC voltage conversion circuits is connected to inverter circuit, and the DC-DC voltage conversion circuits become for inverse-excitation type DC-DC
Parallel operation.
After such scheme, the utility model Digit Control Machine Tool permanent-magnet servo motor driving control system, during work, electricity
Pressure/current sensor samples to electric current, the voltage of servomotor input, and the signal of sampling enters through senser sampling circuit
Controller is conveyed to after the conversion of row signal, meanwhile, rotary encoder collects the position of servomotor output and the pulse of speed
The pulse signal of signal, this position and speed is conveyed to controller, controller after senser sampling circuit carries out signal conversion
The sampled signal for receiving voltage/current sensor and rotary encoder is analyzed and processed, while is sent to host computer, upper
Machine in software Matlab/Simulink development environments by dSPACE semi-matter simulating systems carry out servomotor model and
Emulation, debugging and the test of control strategy, and the C and HDL code run by controller is converted to based on Controlling model, afterwards,
Controller sends control signal and drives servomotor again to drive system, drive system, completes electric current loop to servomotor and closes
Ring controls and the closed-loop control of der Geschwindigkeitkreis.Driving control system of the present utility model, based on dSPACE and MATLAB/Simulink
Design method be that the model that will be adjusted is deployed to scene, realize from scene and be transferred to desktop, change working method, can
Effectively to reduce damaged risk, acceleration system integrates, and reduces the dependence to equipment supply；And be converted to by Controlling model by controlling
The C and HDL code of system operation processed, save the time, avoid artificial misprogrammed, it is ensured that the quality of whole development process, can
Mistake is found in time, reduces the cost of amendment mistake.
Compared with prior art, this new driving control system, using the closed-loop control of electric current loop and closing for der Geschwindigkeitkreis
The fit system of ring control is driven control to servomotor, makes the control accuracy of servomotor, robustness and reliability；Tool
There are high accuracy, high reliability, energy-conservation, it is poor to solve current Digit Control Machine Tool control accuracy, high energy consumption, signal handling capacity
The problem of falling behind, can apply to medium and high classes Digit Control Machine Tool, can meet servomotor high speed, high-precision, high-power, high pulling torque, height
Rigidity, high reliability and multi-shaft interlocked etc. demand, realize that Machine Tool Industry to medium-to-high grade transition and upgrade, improves market
Competitiveness, current Chinese market Digit Control Machine Tool is of great significance with the research and development of motor driven systems and popularization tool.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model；
Fig. 2 is the schematic block circuit diagram of voltage conversion circuit in the utility model.
Embodiment
Below in conjunction with the accompanying drawings to a kind of new Digit Control Machine Tool permanent-magnet servo motor drive control system of the present utility model
The embodiment of system is described in detail.
A kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system of the present utility model, as shown in figure 1, bag
The host computer based on dSPACE semi-matter simulating systems is included, based on ARM and FPGA controller, drive system, voltage conversion
Circuit and data collecting system；Wherein：
Described host computer is connected to controller, carries out realizing both-way communication by CAN and controller；Host computer leads to
Cross in software Matlab/Simulink development environments and carry out emulation, debugging, the test of servomotor model and control strategy,
And C and HDL code while download online, the debugging by control system operation are converted to based on Controlling model.The utility model
In, the Matlab/Simulink exploitation software systems and dSPACE semi-matter simulating systems of host computer are known conventional imitate
True system.
The controller can carry out the control strategy calculating and control system management of complexity, this control based on ARM and FPGA
The system of device is the control system based on ARM and FPGA, is the system commonly used known in one.The input of the controller is connected to
Voltage conversion circuit, obtain the voltage of steady operation；The input of the drive system is connected to voltage conversion circuit, obtains steady
Surely the voltage to work, while the output end of controller is also connected to, the pwm control signal stablized.
Described drive system includes safety system module, SPM and high efficiency and heat radiation module, the safety
System module is protected mainly by detecting DC bus-bar voltage, three-phase voltage and system temperature, when the system failure is for example over-pressed, deficient
Safety system can automatically cut off power supply and protection is made to system when pressure, excessively stream and too high temperature；The high efficiency and heat radiation
Module is made up of heat conducting and heat radiating fin and fan, and its radiating mode is air blast cooling, is customized and is radiated according to actual circuit system layout
Piece and system architecture reasonable selection fan size and location so that high efficiency and heat radiation is realized under optimal space layout, is ensured
System normal table works；The SPM is connected to the signal end of servo motor of numerical control machine tool, the intelligent power
The model Mitsubishi PM50RL1A120 of module, maximum rated voltage 1200V, maximum rated current 50A；It includes isolation drive
Circuit and direct current are converted to the inverter of alternating current；With the defencive function such as overvoltage, excessively stream, under-voltage, temperature, for servo electricity
The critical operational parameters of machine control system such as output current, DC bus-bar voltage, switching frequency, PCB temperature, power device and two
Pole pipe temperature etc. communicates to connect with controller；The output end of the drive system is connected to the servomotor of Digit Control Machine Tool, that is, drives
The SPM of dynamic system is connected to the servomotor of Digit Control Machine Tool.
The data collecting system includes voltage/current sensor, rotary encoder and senser sampling circuit, described
Voltage/current sensor is connected to the power input of Digit Control Machine Tool servomotor, for servo motor of numerical control machine tool voltage,
The collection of electric current, the output end of the voltage/current sensor are connected to the input of the senser sampling circuit, the biography
The output end of sensor sample circuit is connected to the input of controller, and the rotary encoder is arranged on and Digit Control Machine Tool servo electricity
On the input shaft for the load motor that machine is connected, the output end of the rotary encoder is connected to the senser sampling circuit
Input；The controller controls drive system to act by collecting and surveying the signal that is sent using circuit of processing sensor,
And synchronizing information is transferred to host computer, synchronization simulation and program.
The voltage conversion circuit is the DC-DC voltage conversion circuits based on boost topology structure, as shown in Fig. 2 described
The three-phase electricity of the input connection external electrical network of voltage conversion circuit, is changed into direct current electricity output by three-phase alternating current；Particularly：
The voltage conversion circuit includes rectification circuit, filter circuit, inverter circuit and DC-DC voltage conversion circuits, wherein,
The three-phase electricity of the input connection external electrical network of the rectification circuit, three-phase electricity become high pressure by rectification circuit
538V direct current, for the rectification circuit using its model Mitsubishi RM50TC-2H rectification module come what is realized, it exports direct current
Electric current can reach 100A and disclosure satisfy that needed for whole driving control system；
The filter circuit be connected to the rectification circuit output end and DC-DC voltage conversion circuits input it
Between, it reduces the alternating component in the DC voltage after the rectification of pulsation as far as possible, retains its flip-flop, makes output voltage line
Wave system number reduces, and waveform becomes smoother；The filter circuit mainly inductance by two 2mH that connect respectively while and access two
Individual 32uf/68V electrochemical capacitor is formed, and it meets that input maximum rated voltage 1200V and power input regulation are less than 5%
Demand；
The output end of the DC-DC voltage conversion circuits is connected to inverter circuit, and the inverter circuit is responsible for direct current to become
Worked into three-phase alternating current electric drive servomotor, the effect of the inverter circuit is mainly realized by SPM；The DC-DC
Voltage conversion circuit is inverse-excitation type DC-DC converter, and this inverse-excitation type DC-DC converter includes signal detection protection circuit, flyback
Formula control chip and voltage stabilizing chip, total nominal voltage can be made to reach 1800V using inverse-excitation type control chip, meet a wide range of voltage
It is required that access voltage stabilizing chip enables DC-DC voltage conversion circuits to provide stable 24V, 15V, 5V supply voltage afterwards.
Driving control system of the present utility model, the servomotor and load motor applied are that three-phase permanent is synchronously watched
Take motor.
The utility model Digit Control Machine Tool permanent-magnet servo motor driving control system, during work, voltage/current sensor pair
Electric current, the voltage of servomotor input are sampled, and the signal of sampling is defeated after senser sampling circuit carries out signal conversion
Controller is given, meanwhile, rotary encoder collects the position of servomotor output and the pulse signal of speed, this position and speed
The pulse signal of degree is conveyed to controller after senser sampling circuit carries out signal conversion, and controller receives voltage/current
The sampled signal of sensor and rotary encoder is analyzed and processed, while is sent to host computer, and host computer is in software Matlab/
In Simulink development environments by dSPACE semi-matter simulating systems carry out servomotor model and control strategy emulation,
Debugging and test, and the C and HDL code run by controller is converted to based on Controlling model, afterwards, controller sends control letter
Number drive system is given, drive system drives servomotor again, completes to servomotor closed-loop control and the der Geschwindigkeitkreis of electric current loop
Closed-loop control.Driving control system of the present utility model, the design method based on dSPACE and MATLAB/Simulink are to adjust
Whole good model is deployed to scene, realizes from scene and is transferred to desktop, changes working method, can effectively reduce impaired wind
Danger, acceleration system integrate, and reduce the dependence to equipment supply；And by Controlling model be converted to by control system run C and
HDL code, the time is saved, avoid artificial misprogrammed, it is ensured that the quality of whole development process, mistake can found in time, dropped
The cost of low amendment mistake.
This new driving control system, using electric current loop closed-loop control and der Geschwindigkeitkreis closed-loop control fit system
Control is driven to servomotor, makes the control accuracy of servomotor, robustness and reliability；With high-precision, highly reliable
Property, energy-conservation the advantages that, the problem of it is poor to solve current Digit Control Machine Tool control accuracy, high energy consumption, and signal handling capacity falls behind, can answer
For medium and high classes Digit Control Machine Tool, can meet servomotor high speed, high-precision, high-power, high pulling torque, high rigidity, high reliability with
And multi-shaft interlocked etc. demand, accelerate China's Machine Tool Enterprises structural adjustment, realize Machine Tool Industry to medium-to-high grade transition and upgrade,
The competitiveness in market is improved, the research and development and popularization to current Chinese market Digit Control Machine Tool motor driven systems have particularly significant
Meaning.
Embodiment of the present utility model is further described embodiment described above, it is impossible to assert this practicality
New embodiment is confined to these explanations.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the concept of the premise utility, various modifications and improvements can be made, and property or purposes are identical, this
A little protection domains for belonging to utility model patent.Therefore, the protection domain of the utility model patent should be with appended claims
It is defined.
Claims (3)
- A kind of 1. new Digit Control Machine Tool permanent-magnet servo motor driving control system, it is characterised in that：Include and be based on The host computer of dSPACE semi-matter simulating systems, based on ARM and FPGA controller, drive system, voltage conversion circuit sum According to acquisition system；Wherein：Described host computer is connected to controller, carries out realizing both-way communication by CAN and controller；The controller Input is connected to voltage conversion circuit, obtains the voltage of steady operation；The input of the drive system is connected to voltage and turned Circuit is changed, obtains the voltage of steady operation, while is also connected to the output end of controller, the pwm control signal stablized；Institute The output end for stating drive system is connected to the servomotor of Digit Control Machine Tool；The data collecting system includes voltage/current sensor, rotary encoder and senser sampling circuit, described electricity Pressure/current sensor is connected to the power input of Digit Control Machine Tool servomotor, for servo motor of numerical control machine tool voltage, electricity The collection of stream, the output end of the voltage/current sensor are connected to the input of the senser sampling circuit, the sensing The output end of device sample circuit is connected to the input of controller, and the rotary encoder is arranged on and servo motor of numerical control machine tool On the input shaft for the load motor being connected, the output end of the rotary encoder is connected to the defeated of the senser sampling circuit Enter end；The voltage conversion circuit is the DC-DC voltage conversion circuits based on boost topology structure, the voltage conversion circuit Input connects the three-phase electricity of external electrical network, and three-phase alternating current is changed into direct current electricity output.
- 2. a kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system according to claim 1, its feature It is：The drive system includes safety system module, SPM and high efficiency and heat radiation module, the high efficiency and heat radiation Module is made up of heat conducting and heat radiating fin and fan, and the SPM is connected to the signal end of servo motor of numerical control machine tool, institute State the model Mitsubishi PM50RL1A120 of SPM.
- 3. a kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system according to claim 1, its feature It is：The voltage conversion circuit includes rectification circuit, filter circuit, inverter circuit and DC-DC voltage conversion circuits, described whole The three-phase electricity of the input connection external electrical network of current circuit, three-phase electricity become high pressure 538V direct current, institute by rectification circuit State filter circuit to be connected between the output end of the rectification circuit and the input of DC-DC voltage conversion circuits, the DC-DC The output end of voltage conversion circuit is connected to inverter circuit, and the DC-DC voltage conversion circuits are inverse-excitation type DC-DC converter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720636909.5U CN207098977U (en) | 2017-06-02 | 2017-06-02 | A kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system |
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| CN201720636909.5U CN207098977U (en) | 2017-06-02 | 2017-06-02 | A kind of new Digit Control Machine Tool permanent-magnet servo motor driving control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100977A (en) * | 2018-09-14 | 2018-12-28 | 安徽创弘精密机械有限公司 | A kind of spindle motor control system for numerically-controlled machine tool |
| CN110784128A (en) * | 2019-11-06 | 2020-02-11 | 重庆长安工业(集团)有限责任公司 | Universal multi-path permanent magnet synchronous alternating current servo motor controller |
-
2017
- 2017-06-02 CN CN201720636909.5U patent/CN207098977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100977A (en) * | 2018-09-14 | 2018-12-28 | 安徽创弘精密机械有限公司 | A kind of spindle motor control system for numerically-controlled machine tool |
| CN110784128A (en) * | 2019-11-06 | 2020-02-11 | 重庆长安工业(集团)有限责任公司 | Universal multi-path permanent magnet synchronous alternating current servo motor controller |
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