CN106094763B - A kind of restructural polycarboxylate water-reducer automated production controller based on FPGA - Google Patents
A kind of restructural polycarboxylate water-reducer automated production controller based on FPGA Download PDFInfo
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- CN106094763B CN106094763B CN201610622722.XA CN201610622722A CN106094763B CN 106094763 B CN106094763 B CN 106094763B CN 201610622722 A CN201610622722 A CN 201610622722A CN 106094763 B CN106094763 B CN 106094763B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a kind of restructural polycarboxylate water-reducer automated production controller based on FPGA, after serial data receiving module, instruction check module, instruction dissection process module are mutually contacted successively, instruction dissection process module connect with register and carries out data inputting；After register is handled, register is connect the data of typing with response instruction framing module, and response instruction framing module, response instruction cache module, serial data sending module are sequentially connected in series, and carry out data output.Switch process module, sensor data acquisition module, dropwise addition control module, charging control module, discharging control module are connected in parallel on register.Register has three groups of control and regulation, data processing, status display module compositions.After Flash drive modules are connected with SD card module for reading and writing, Flash drive modules are connect with register；The present invention can realize seamless switching, and easily extension, more flexible update.
Description
Technical field
The present invention relates to industrial control fields, more particularly, to a kind of restructural polycarboxylate water-reducer automated production
Controller.The seamless switching of industrial control unit (ICU) communications protocol is realized using FPGA dynamic restructuring technologies.
Background technology
Polycarboxylate water-reducer be cement concrete use in a kind of cement dispersants, and cement mixed mud be building in most
Basic substance, therefore it is required that polycarboxylate water-reducer has very high product quality, this requires the productions of polycarboxylate water-reducer
Process must be stable, efficient, high-quality and safe.
The production process of polycarboxylate water-reducer is controlled by automated production controller, it, which has been connected up, operates in industrial personal computer
On industrial control software, receive the order that is sent by industrial control software of user；It is connected to various industrial instruments downwards, in real time acquisition life
Produce the Various types of data, such as temperature of reaction kettle, quality of material, material pH value etc. at scene.
Automated production controller is communicated by specific communications protocol and industrial control software and all kinds of instrument.It uses
Communications protocol is different with the type of industrial control software and all kinds of instrument, the difference of producer, and field bus protocol is up at present
Hundreds of.
The control core of polycarboxylate water-reducer automated production is the control to chemical reaction process, influences product quality
Factor includes the temperature etc. in the type of material for participating in chemical reaction, quality, adding speed, chemical reaction process.These
Factor is all related with the data that the control command content and controller of user acquire in real time.Therefore, controller uses correct
It is the key that obtain correct data that communications protocol carries out communication with industrial control software and industrial instrument.The type of communications protocol is increasingly
It is more, in order to ensure that production process is correct and uninterrupted, it has to which the communications protocol that will likely be used as far as possible is all being controlled simultaneously
It is realized on device processed, to realize the online switching of agreement.And in single production work, may there was only the participation of a portion agreement
Real work.The power consumption, cost and complexity of controller system are considerably increased in this way, while reducing the collection of controller system
Cheng Du and resource utilization.
Invention content
The present invention is directed to the defect of existing design, it is proposed that a kind of restructural polycarboxylate water-reducer automation based on FPGA
Production Controller.
The controller includes serial data receiving module, instruction check module, instruction dissection process module, response instruction group
Frame module, serial data sending module, switch process module, sensor data acquisition module, is added dropwise response instruction cache module
Control module, charging control module, discharging control module, Flash drive modules and SD card module for reading and writing.
After serial data receiving module, instruction check module, instruction dissection process module are mutually contacted successively, instruct at parsing
Reason module connect with register and carries out data inputting；After register is handled, register instructs the data of typing with response
Framing module connects, and response instruction framing module, response instruction cache module, serial data sending module are sequentially connected in series, and are carried out
Data export.
Control module, charging control module, discharging control mould is added dropwise in switch process module, sensor data acquisition module
Block is connected in parallel on register.
Register has three groups of control and regulation, data processing, status display module compositions.Flash drive modules and SD card
After module for reading and writing connection, Flash drive modules are connect with register.
Restructural polycarboxylate water-reducer automated production controller and industrial personal computer based on FPGA are logical by RS-232 buses
Letter, serial ports director data receiving module are responsible for receiving serial ports instruction；Instruction check module judges current communication protocol type, right
Dissection process module and response instruction framing module is instructed to carry out dynamic restructuring；Dissection process module is instructed to be responsible for carrying out instruction
Parsing, to trigger corresponding task execution；Response instruction framing module is responsible for according to communications protocol and current all devices
The execution state assembly response of state and task instructs；Response instruction cache module caches assembled response instruction；Serial ports number
Response instruction will be read from response instruction cache module according to sending module to send one by one；Switch process module is responsible for control and is connected
The switch and reading equipment feedback states of valve arrangement；Sensor data acquisition module is responsible for what the connected sensor of identification used
Communication protocol type and automatic dynamic reconstruct agreement and the correct acquisition for completing various kinds of sensors data；Control module, which is added dropwise, includes
PID regulatory functions are responsible for requiring completion material to be added dropwise by fixing speed and time according to instruction；Charging control module is responsible for
The charging of the material of completion definite quality is required according to instruction；Discharging control module is responsible for completing the object of definite quality according to instruction
The discharging of material；Flash drive modules are responsible for realizing that the read-write of Flash, SD card module for reading and writing are read from SD card for reconstruct
Configuration file is written by the way that Flash drive modules are written in Flash so that FPGA can load configuration when reconstructing from Flash
File.
The beneficial effects of the invention are as follows：(1) reconfigurable function：Make all communications protocol using FPGA Reconfiguration Technologies
It may not necessarily all be realized in single chip simultaneously, but need which kind of agreement to be just reconstructed into the function of replanting agreement using.
(2) seamless switching：Using FPGA partial reconfiguration technologies, power-off restoration, while non-reconstruct mould are not necessarily to when communications protocol switches
Block is unaffected, and can keep non-stop run.(3) easily extension：When needing newly-increased communications protocol, it is only necessary to realize new communication
Protocol section and the configuration file for generating the part, without considering program integration etc..(4) flexibly update：It is deposited using SD card
Configuration file is stored up, system loads automatically when reconstruct, therefore user is without learning using complicated download software, it is only necessary to will update text
Part copies into SD card.
Description of the drawings
Fig. 1 is the system the general frame of the present invention.
Fig. 2 is the temperature of reaction kettle curve graph using common power-down mode update director demon.
Fig. 3 is the temperature of reaction kettle curve graph that director demon is updated using dynamic restructuring mode.
Specific implementation mode
The present invention is described in further details with specific implementation mode below in conjunction with attached drawing.
As shown in Figure 1, the present invention is a kind of restructural polycarboxylate water-reducer automated production controller based on FPGA, packet
It includes serial data receiving module, instruction check module, instruct dissection process module, response instruction framing module, response instruction slow
Serial data sending module, switch process module, sensor data acquisition module, control module, charging control is added dropwise in storing module
Module, discharging control module, Flash drive modules and SD card module for reading and writing.
User operates on industrial personal computer software, and instruction by agreements such as RS232 is issued to controller, by GPIO interface into
Enter FPGA.Instruction is received by serial data receiving module, is identified the type of present instruction by instruction check module and is verified content
Legitimacy, then generate reconstruction signal if necessary to handoff protocol.Command analysis module is responsible for analysis instruction content, and triggering is corresponding
Task, including controlled valve, execution or terminate dropwise addition task, execution or terminate charging task, execution or terminate discharging task, look into
Ask valve state, inquiry sensor values, inquiry dropwise addition task status, inquiry charging task status, inquiry discharging task status.
Respective acknowledgement instruction is assembled for inquiry instruction type by response instruction framing module, is put into response instruction buffer, serial ports number
Instruction is read according to sending module from response buffering to be sent.The soft cores of Microblaze realized inside FPGA are as dynamic weight
The controller that structure is realized, is connected by PLB buses with other modules.The software program write on it will read reconstruction signal,
Corresponding configuration file in Flash will be read when needing to be reconstructed completes reconstruct.SD card module for reading and writing is responsible for reading in SD
The configuration file that is stored in card is simultaneously loaded into Flash for being used when reconstruct.
Fig. 2,3 are to update controller journey using traditional common power-down mode during the dropwise addition of a material respectively
The temperature of reaction kettle curve graph of sequence and the temperature of reaction kettle curve graph that director demon is updated using dynamic restructuring mode.
A common reaction kettle unit is generally made of A measuring tanks, B measuring tanks, alkali measuring tank, reaction kettle；It was added dropwise
Journey refers to the material in A measuring tanks and B measuring tanks and is instilled in reaction kettle by presetting speed, and alkali measures during primary be added dropwise
Tank has no participation work, temperature of the temperature sensor on reaction kettle for acquiring chemical reaction in real time, and by artificial or industry control
For software into the control and regulation of trip temperature, the temperature chemically reacted in the process, which is added dropwise, will directly influence product quality.
If the title for needing the weighing sensor that alkali measuring tank is used to be changed to other producers during primary be added dropwise
Retransmit sensor, it is necessary to update the communications protocol that corresponding portion in director demon uses.Alkali measuring tank does not participate in being added dropwise
Process, therefore modification alkali measuring tank should not influence the normal work being added dropwise.
When using traditional program update mode, need to carry out power-off restoration to controller when downloading program, then just
It can cause it that the interruption of process is added dropwise.As shown in Fig. 2, interlude is temperature represents corresponding period director demon power-off along drop
Reseting procedure is likely to cause this section of time response kettle temperature control, influences product quality at this time.
Power-off restoration is not needed to using the update of mode into the line program of dynamic restructuring, therefore dropwise addition process will not be caused
Interruption, realize the seamless switching of communications protocol, as shown in Figure 3.
Claims (1)
1. a kind of restructural polycarboxylate water-reducer automated production controller based on FPGA, it is characterised in that：
The controller includes serial data receiving module, instruction check module, instruction dissection process module, response instruction framing mould
Response instruction cache module, serial data sending module, switch process module, sensor data acquisition module, control is added dropwise in block
Module, charging control module, discharging control module, Flash drive modules and SD card module for reading and writing；
After serial data receiving module, instruction check module, instruction dissection process module are mutually contacted successively, dissection process mould is instructed
Block connect with register and carries out data inputting；For the data of typing after register is handled, register instructs framing with response
Module connects, and response instruction framing module, response instruction cache module, serial data sending module are sequentially connected in series, and carry out data
Output；
Control module, charging control module, discharging control module is added dropwise simultaneously in switch process module, sensor data acquisition module
It is associated on register；
Register has three groups of control and regulation, data processing, status display module compositions；Flash drive modules and SD card read-write
After module connection, Flash drive modules are connect with register；
Restructural polycarboxylate water-reducer automated production controller based on FPGA passes through RS-232 bus communications, string with industrial personal computer
Mouth director data receiving module is responsible for receiving serial ports instruction；Instruction check module judges current communication protocol type, to instruction
Dissection process module and response instruction framing module carry out dynamic restructuring；Instruction dissection process module is responsible for solving instruction
Analysis, to trigger corresponding task execution；Response instruction framing module is responsible for according to communications protocol and current all device shapes
The execution state assembly response of state and task instructs；Response instruction cache module caches assembled response instruction；Serial data
Sending module will read response instruction from response instruction cache module and send one by one；Switch process module is responsible for controlling associated valve
The switch and reading equipment feedback states of door equipment；Sensor data acquisition module is responsible for identifying that connected sensor uses logical
News protocol type and automatic dynamic reconstruct agreement and the correct acquisition for completing various kinds of sensors data；Control module, which is added dropwise, includes
PID regulatory functions are responsible for requiring completion material to be added dropwise by fixing speed and time according to instruction；Charging control module is responsible for
The charging of the material of completion definite quality is required according to instruction；Discharging control module is responsible for completing the object of definite quality according to instruction
The discharging of material；Flash drive modules are responsible for realizing that the read-write of Flash, SD card module for reading and writing are read from SD card for reconstruct
Configuration file is written by the way that Flash drive modules are written in Flash so that FPGA can load configuration when reconstructing from Flash
File.
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| CN201610622722.XA CN106094763B (en) | 2016-08-01 | 2016-08-01 | A kind of restructural polycarboxylate water-reducer automated production controller based on FPGA |
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| CN201610622722.XA CN106094763B (en) | 2016-08-01 | 2016-08-01 | A kind of restructural polycarboxylate water-reducer automated production controller based on FPGA |
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| CN106094763A CN106094763A (en) | 2016-11-09 |
| CN106094763B true CN106094763B (en) | 2018-11-09 |
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| US7607005B1 (en) * | 2004-12-22 | 2009-10-20 | Rmt, Inc. | Virtual hardware system with universal ports using FPGA |
| CN204302727U (en) * | 2014-12-22 | 2015-04-29 | 苏州浩克系统检测科技有限公司 | A kind of real-time control system based on ARM and FPGA |
| CN104865915A (en) * | 2015-03-19 | 2015-08-26 | 北京工业大学 | Polycarboxylate superplasticizer automatic production line intelligent controller |
| CN204989875U (en) * | 2015-07-24 | 2016-01-20 | 山东女子学院 | Restructural test instrument based on FPGA |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010035102A1 (en) * | 2010-08-23 | 2012-04-19 | Bürkert Werke GmbH | Control unit for fluidic systems |
-
2016
- 2016-08-01 CN CN201610622722.XA patent/CN106094763B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7607005B1 (en) * | 2004-12-22 | 2009-10-20 | Rmt, Inc. | Virtual hardware system with universal ports using FPGA |
| CN204302727U (en) * | 2014-12-22 | 2015-04-29 | 苏州浩克系统检测科技有限公司 | A kind of real-time control system based on ARM and FPGA |
| CN104865915A (en) * | 2015-03-19 | 2015-08-26 | 北京工业大学 | Polycarboxylate superplasticizer automatic production line intelligent controller |
| CN204989875U (en) * | 2015-07-24 | 2016-01-20 | 山东女子学院 | Restructural test instrument based on FPGA |
Non-Patent Citations (2)
| Title |
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| FPGA的AP模式及在可重构仪器中的应用;张文泉 等;《计算技术与自动化》;20110930;第30卷(第03期);第33-37页 * |
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