CN202453686U - Control system for veneer reeling machine - Google Patents
Control system for veneer reeling machine Download PDFInfo
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- CN202453686U CN202453686U CN2012200214083U CN201220021408U CN202453686U CN 202453686 U CN202453686 U CN 202453686U CN 2012200214083 U CN2012200214083 U CN 2012200214083U CN 201220021408 U CN201220021408 U CN 201220021408U CN 202453686 U CN202453686 U CN 202453686U
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- 230000003993 interaction Effects 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000015654 memory Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 49
- 230000006870 function Effects 0.000 description 18
- 239000000463 material Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 9
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- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000012792 core layer Substances 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a control system for a veneer reeling machine. The control system comprises a human-computer interaction subsystem and a real-time control subsystem. The human-computer interaction subsystem and the real-time control subsystem communicate in real time through a dual-port random access memory (DPRAM). The control subsystem adopts a digital signal processor (DSP) chip as a processor. The human-computer interaction subsystem and the real-time control subsystem are respectively used for finishing a display function and a control function of the control system, so that the running real-time performance of the control system for the veneer reeling machine is ensured to realize high-accuracy control over a moving part of the veneer reeling machine, and a multiple safety protection mechanism is realized to realize real-time motion control and display at high response speed. The DSP chip is adopted as the processor of the control subsystem, so that high-speed real-time motion control capability can be used for finishing accurate control over the automatic prebending of a veneer by matching an automatic prebending algorithm and finishing accurate control over the automatic rounding of the veneer by matching an automatic rounding algorithm.
Description
Technical field
The utility model relates to plate bending rolls, is a kind of plate bending rolls control system.
Background technology
Plate bending rolls is the lathe that is used to roll the different shape plate product, is important branch in the metal forming machinery.Domestic common employing single-chip microcomputer or PLC controller make up the plate bending rolls control system at present.Wherein the control system function of single-chip microcomputer structure is simple, and the control system that PLC makes up adopts the mode of " playing with building blocks " to constitute, and is loosely organized.Therefore all to have response speed slow for above-mentioned control system, and control accuracy is low, can't accomplish shortcomings such as the automatic pre-bending in sheet material end, automatic round as a ball function.
Summary of the invention
The problem that the utility model will solve is: the control response speed of existing plate bending rolls is slow, and precision can not satisfy the demands.
The technical scheme of the utility model is: a kind of plate bending rolls control system; Comprise man-machine interaction subsystem and real-time RACS; Wherein the man-machine interaction subsystem is with RACS is through dual port memories DPRAM real-time communication in real time, and it is processor that RACS adopts dsp chip.
It is processor that said man-machine interaction subsystem adopts the AT91SAM9261 chip, and it is processor that said real-time RACS adopts the TMS320F28335 chip.
The utility model man-machine interaction subsystem and real-time RACS are used for accomplishing the Presentation Function and the control function of control system respectively; Guaranteed plate bending rolls control system operation real-time; Not only can reach High Accuracy Control to the plate bending rolls moving component, and possess the maltilevel security protection mechanism, can carry out real-time motion control and demonstration with high response speed; Adopting dsp chip is the processor of RACS; Can utilize real time kinematics control ability at a high speed, cooperate automatic pre-bending algorithm to accomplish the accurate control of the automatic pre-bending of sheet material, cooperate automatic round as a ball algorithm to accomplish sheet material round as a ball accurate control automatically.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the utility model man-machine interaction subsystem structure figure.
Fig. 3 is the real-time RACS structural drawing of the utility model.
Embodiment
The utility model plate bending rolls control system is based on the DSP technique construction, and like Fig. 1, this control system comprises man-machine interaction subsystem and real-time RACS, the display part and the control section of process control system respectively.This control system also is provided with hardware platform, and this hardware platform comprises peripheral interface circuit, signal processing circuit, power circuit, the input of 40 way words, the output of 24 way words, the input of 8 tunnel analog quantitys and the output of 4 tunnel analog quantitys.Wherein the man-machine interaction subsystem passes through the real-time communication of dual port memories DPRAM technology with real-time RACS.
It is processor that said man-machine interaction subsystem adopts the AT91SAM9261 chip, accomplishes functions such as keyboard input, state indication, the demonstration of LCD screen, and realizes and RACS real-time communication in real time.The maximum processing speed of this AT91SAM9261 processor reaches 200MIPS, inner 160kByte SRAM, external 4M byte DataFlash, 64M byte SDRAM, 64M byte N andFlash.
It is processor that said real-time RACS adopts the TMS320F28335 chip, accomplishes functions such as scrambler, DI input, DO output, design peripheral circuit, and its inside also comprises functions such as service logic control and safeguard protection.The maximum operation frequency of this TMS320F28335 processor is 150MHz, supports floating-point operation, and internal resource comprises 256k X16bit FLASH, 34kX16bit RAM, outside 256KX16bitSRAM etc.
The utility model man-machine interaction subsystem makes up through hierarchy, like Fig. 2, comprises hardware driving layer, hardware abstraction layer, logic control and protocol layer and application layer.Wherein, the hardware driving layer is accomplished circuit design and software design according to each hardware capability, comprises the hardware driving function of the keyboard and the liquid crystal display of the bottom; Hardware abstraction layer is the middle layer of being responsible for coordination software and hardware, and it is accomplished based on above-mentioned software design, and this layer is designed corresponding interface between software and hardware, calls for upper-layer functionality; Logic control and protocol layer can respond to concrete function and realize that this layer is the pure software layer that is independent of hardware circuit; Application layer response user's operation, and provide output information to the user.
The major function of man-machine interaction subsystem is following:
The l man-machine interface shows;
L receives user key-press and handles;
L real-time display system state;
The l system control parameters transmits to real-time RACS;
The storage of l parameter.
RACS makes up through hierarchy in real time, like Fig. 3, comprises hardware driving layer, hardware interface layer, logic control layer and application layer.Wherein, the hardware driving layer carries out circuit design and software design according to each hardware capability, accomplishes the hardware driving function of the bottom, makes subsystem and each circuit unit real-time communication; Hardware abstraction layer is the middle layer of coherent system software and hardware, and it is accomplished based on software design, and this layer is designed corresponding interface between software and hardware, calls for the upper strata control function; Logic control and protocol layer are the core layers of plate bending rolls control system, also are the pure software layers that is independent of hardware circuit simultaneously, are used for product demand is responded and realizes; Application layer is controlled lathe in real time, comprises that the state to each parts of lathe carries out real-time follow-up and reaction, to accomplish lathe function, safety precautions is provided simultaneously.
The major function of RACS is following in real time:
The real-time control of l machine tool component;
The indication of l system state;
L provides data to carry out real-time response to the man-machine interaction subsystem;
When l has power down, the storage of real time parameter function.
The various piece of the utility model plate bending rolls control system realizes that function is following:
(1) automatic controlled variable is set
This plate bending rolls control system is obtained user's the parameter that is provided with through the application layer of real-time RACS; In logic control and protocol layer, make up automatic controlled variable variable; The user can manually set up and revise automatic controlled variable; Foundation or amended automatic controlled variable are used for the automatic operation of automatic mode, and operate interim editor's parameter automatically, can save as historical data.
(2) assurance of real-time
The hardware driving layer of RACS can produce the timing interruption of 1ms in real time; Dsp chip is operated under the situation of 100MHz; The lines of code that 1mS handles is about 100000 row monocycle assembly codes; About 30000 row C codes can let the logic control layer 23 of subsystem 2 accomplishes that system state detects, operation logic is controlled in when 1mS, interrupting, output state setting and control algolithm calculating, can reach the High Accuracy Control effect to the plate bending rolls moving component.
(3) the controlling object algorithm is arranged
The application layer of RACS receives the various automatic controlled variable variable of real-time RACS in real time; The logic control layer that is embedded into real-time RACS constitutes various algorithms; Make the control system of the utility model can take into account the plate bending rolls of different driving type, can directly control motor, hydraulic pump equal power device.
(4) system makes mistakes to report to the police and designs
Error message:
The working condition of control system, through the hardware driving layer driving pilot lamp demonstration of real-time RACS, simultaneously by the application layer control display interface of man-machine interface subsystem, making also has the corresponding information demonstration on the liquid crystal display.Control system is provided with SR; The user can press SR; Reset signal is introduced through the hardware interface layer of real-time RACS, judged by the logic control layer of real-time RACS again, whether control system is reverted to not alarm condition with decision.
Report to the police and design:
The integrated test code of each hardware module in the control system in the logic control layer of the real-time RACS of the utility model plate bending rolls control system; Can the hardware interface layer of test instruction through real-time RACS be passed to the hardware driving layer and carry out the system hardware diagnosis, if find hardware anomalies then the processing of reporting to the police.
(5) system maintenance design
Be built with the system diagnostics page on the application layer of the man-machine interaction subsystem of the utility model plate bending rolls control system, supply the working condition of professional's detection system parts, whether control hardware is damaged or make unusually detection.
(6) system performance design
Be built with bar graph position display interface on the application layer of the man-machine interaction subsystem of the utility model plate bending rolls control system, show plate bending rolls top roll translational displacement, overturning side and fixation side displacement through bar graph, real-time change is accurate and directly perceived.
(7) the automatic pre-bending design of sheet material
In the real-time RACS of the utility model plate bending rolls control system; Its hardware driving layer can produce timing at a high speed and interrupt calculating; Can let the logic control layer of real-time RACS feed back the coordinate data of top roll in real time according to the hardware driving layer; Utilize the automatic pre-bending algorithm that comprises in the logic control layer; Calculate the required various controlled variable of sheet material pre-bending in real time, through hardware interface layer controlled variable is passed to the hardware driving layer again, accomplish the automatic pre-bending function of sheet material end with high-precision control effect.
(8) the automatic round as a ball design of sheet material
In the real-time RACS of the utility model plate bending rolls control system; Its hardware driving layer can produce timing at a high speed and interrupt calculating; Can let the logic control layer feed back the coordinate data of top roll in real time, utilize the automatic round as a ball algorithm that comprises in the logic control layer, calculate the round as a ball required various controlled variable of sheet material in real time according to the hardware driving layer; Through hardware interface layer controlled variable is passed to the hardware driving layer again, accomplish the automatic round as a ball function of sheet material with high-precision control effect.
The utility model plate bending rolls control system is utilized the DSP technique construction; Guaranteed plate bending rolls control system operation real-time; Not only can reach High Accuracy Control to the plate bending rolls moving component; And possess the maltilevel security protection mechanism, and can carry out real-time motion control and demonstration with high response speed, particularly can utilize real time kinematics control ability at a high speed; Cooperate automatic pre-bending algorithm to accomplish the accurate control of the automatic pre-bending of sheet material, cooperate automatic round as a ball algorithm to accomplish sheet material round as a ball accurate control automatically.
Claims (2)
1. a plate bending rolls control system is characterized in that comprising man-machine interaction subsystem and real-time RACS, and wherein the man-machine interaction subsystem is with RACS is through dual port memories DPRAM real-time communication in real time, and it is processor that RACS adopts dsp chip.
2. a kind of plate bending rolls control system according to claim 1 is characterized in that it is processor that said man-machine interaction subsystem adopts the AT91SAM9261 chip, and it is processor that said real-time RACS adopts the TMS320F28335 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200214083U CN202453686U (en) | 2012-01-18 | 2012-01-18 | Control system for veneer reeling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200214083U CN202453686U (en) | 2012-01-18 | 2012-01-18 | Control system for veneer reeling machine |
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| Publication Number | Publication Date |
|---|---|
| CN202453686U true CN202453686U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200214083U Expired - Lifetime CN202453686U (en) | 2012-01-18 | 2012-01-18 | Control system for veneer reeling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187114A (en) * | 2020-09-28 | 2021-01-05 | 中国电子科技集团公司第五十四研究所 | Dual-motor anti-backlash drive control method and system |
-
2012
- 2012-01-18 CN CN2012200214083U patent/CN202453686U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187114A (en) * | 2020-09-28 | 2021-01-05 | 中国电子科技集团公司第五十四研究所 | Dual-motor anti-backlash drive control method and system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151021 Address after: 211100, No. 155, general road, Jiangning Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Estun Automation Co., Ltd. Address before: 211100, No. 155, general road, Jiangning Development Zone, Nanjing, Jiangsu Patentee before: Nanjing Estun Automation Co., Ltd. Patentee before: Aierfa Electrohydraulic Technology Co., Ltd., Nanjing City |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |