CN103558825A - Distributed computing quick response real-time control system - Google Patents
Distributed computing quick response real-time control system Download PDFInfo
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- CN103558825A CN103558825A CN201310545270.6A CN201310545270A CN103558825A CN 103558825 A CN103558825 A CN 103558825A CN 201310545270 A CN201310545270 A CN 201310545270A CN 103558825 A CN103558825 A CN 103558825A
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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
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- 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 distributed computing quick response real-time control system. The distributed computing quick response real-time control system comprises a displaying and operating unit, an industrial Ethernet, a distributed computing unit, an equipment network, a spot I/O device and a network switch. A double-layer network structure composed of the industrial Ethernet and the equipment network is adopted, the spot I/O device is connected with the distributed computing unit through the equipment network, and the displaying and operating unit is connected with the distributed computing unit through the Ethernet. The network double-redundancy structure is adopted, and therefore the reliability of the control system is improved. A fault network is automatically reorganized, and the response speed of the system is improved. A computer server is not needed, and the complexity of the system network structure is lowered. The distributed bottom layer computing is adopted, independent control is achieved, and the system response time is shortened.
Description
Technical field
The present invention relates to a kind of real-time control system, relate in particular to a kind of Distributed Calculation and respond fast real-time control system, belong to industrial control equipment technical field.
Background technology
Development along with computing machine and electronic technology, the automation level in the fields such as modern industrial and agricultural production, boats and ships and marine engineering equipment, national defence, Aeronautics and Astronautics improves constantly, and computer distributed control system has replaced the local control system of controlling based on scene comprehensively.The Distributed Control System (DCS) of prior art, adopts three-layer network framework, i.e. facility network, control net and Information Network.Information and the state of reflection industry spot are detected by checkout equipment and send to bottom controller by facility network, a plurality of bottom controllers are delivered to server by above-mentioned data through controlling net again, by server centered, processed and issuing command, the active station of being affiliated in Information Network can carry out manual intervention and adjustment to the processing of server.This three-layer network framework is well arranged, and the each several part division of labor is clear and definite, but also exists system huge, the problem that cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of Distributed Calculation to respond fast real-time control system, be intended to, by changing the network architecture of control system, reduce input and the maintenance of equipment, increase the capability of fast response of system, improve control system safety and reliability.
A kind of Distributed Calculation responds real-time control system fast, comprise and show and control unit 1, Industrial Ethernet 2, Distributed Calculation unit 3, facility network 4, on-the-spot I/O equipment 5, the network switch 6, adopt two layer network architecture, by Industrial Ethernet 2 and facility network 4, formed, on-the-spot I/O equipment 5 is connected with Distributed Calculation unit 3 by facility network 4, shows and controls unit 1 and be connected with Distributed Calculation unit 3 by Ethernet 2.
Object of the present invention can also further realize by following technical measures:
Aforementioned Distributed Calculation responds real-time control system fast, wherein with Industrial Ethernet 2, adopts two-circuit redundancy structure.
Aforementioned Distributed Calculation responds real-time control system fast, and wherein Distributed Calculation unit 3, for having the programmable logic controller (PLC) PLC of data-handling capacity, carries out collection, arrangement, the calculating of field data, and external issuing command.
Aforementioned Distributed Calculation responds real-time control system fast, wherein shows and controls unit 1 for single computer or touch-screen, shows and configuration software is installed with controlling on unit, according to control object displaying scene information, and carries out relevant command operating.
Aforementioned Distributed Calculation responds real-time control system fast, and wherein Distributed Calculation unit 3 is provided with Dual-Ethernet PORT COM, and program delivery port.
Aforementioned Distributed Calculation responds real-time control system fast, wherein shows and controls unit 1 and be provided with Dual-Ethernet PORT COM.
Aforementioned Distributed Calculation responds real-time control system fast, and wherein on-the-spot I/O equipment 5 is communicated by letter with Distributed Calculation unit 3 by RS232, RS485, modbus agreement, Profibus agreement.
Aforementioned Distributed Calculation responds real-time control system fast, and historical data private server is set in Industrial Ethernet 2.
Aforementioned Distributed Calculation responds real-time control system fast, and Industrial Ethernet 2 is set up gateway device and expanded the quantity that shows and control unit 1.
Compared with prior art, the invention has the beneficial effects as follows: 1) the two redundancy structures of Adoption Network, the reliability of raising control system.2) fault network is recombinated automatically, improves system response time.3), without computer server, reduce system network architecture complicacy.4) distributed bottom calculates, and realizes independent control, shortens system response time.
Accompanying drawing explanation
Fig. 1 is schematic network structure of the present invention;
Fig. 2 adopts a kind of typical Distributed Calculation of the present invention to respond fast real-time control system connection layout.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, the invention provides a kind of Distributed Calculation responds fast real-time control system and comprises Distributed Calculation unit 3, shows and control unit 1, on-the-spot I/O equipment 5, Industrial Ethernet 2, facility network 4, the network switch 6 and printer 7.The control system of inventing adopts two layer network architecture, comprise Industrial Ethernet 2 and facility network 4, on-the-spot I/O equipment 5 is connected with Distributed Calculation unit 3 by facility network 4, demonstration with control unit 3 and be connected with Distributed Calculation unit 3 by Ethernet 2, field data is transmitted between system by two-tier network and exchange.
The on-the-spot I/O equipment 5 of described real-time control system can comprise that valve, pump, sensor carry out and pick-up unit, as required and actual conditions select the transmission form of field data, comprise that wire connects and two types of data communications.Communications protocol can be RS232, RS485, modbus agreement and Profibus agreement etc.
PLC or other processing unit can be selected in the Distributed Calculation unit 3 of described real-time control system, it mainly realizes collection, arrangement and the calculating of field data, and the external function such as issuing command, Distributed Calculation unit 3 should have stronger real-time computing, and can carry out communication by Industrial Ethernet between different Distributed Calculation unit, realize the data transmission between different computing units, call and exchange etc. operation.Distributed Calculation unit should have 2 Industrial Ethernet communication interfaces, between different distributions formula computing unit, by IP address, mutually accesses.
The demonstration of described real-time control system can be the man-machine switch type equipment such as business computer, industrial computer and touch-screen with controlling unit 1, and the said equipment should have 2 ethernet communication interfaces.
The demonstration of described real-time control system is provided with general configuration software with controlling on unit 1, as Wincc, KingView, century magnitude, or according to user, independently developed software need to be installed.Utilize the software of installing, showing and controlling production and the control flow that reproduces industry spot on unit, carry out relevant setting and operation, show relevant warning message etc.
The Ethernet of described real-time control system adopts redundancy structure, comprises Lan1 and Lan2 two cover networks, and standby each other between the two, when a set of network breaks down, on-line apparatus can be exchanged visits by another set of automatically.
The ethernet trunking device of described real-time control system is selected commercial Ethernet switch, with expand can tape terminal equipment quantity.
Described real-time control system can be matched miscellaneous equipment as required, and as printer, registering instrument etc., these equipment connections, to Ethernet, can be selected redundancy or nonredundancy structure.
Below in conjunction with accompanying drawing 2, for the network structure of a ship control system, the present invention will be further described.
Grid adopts redundancy structure, and network1 and network2 are standby each other, utilizes as required gateway to carry out extension of network to network1 wherein, has obtained network3.Show and control unit to be jointly comprised of business computer and touch-screen, business computer is as local work station, and touch-screen is connected on the Ethernet network3 expanding.On every computing machine and touch-screen, gather different bottom datas, thereby also have any different in their configuration interface.Computing machine is placed on main control room, and touch-screen is placed on different operation site.
By commercial PLC, form Distributed Calculation unit, wherein main control unit is placed on main control room, control module is placed on operation site on the spot, main control unit and carry out communication by Ethernet according to ICP/IP protocol between control module on the spot, control module is mainly accepted from on-the-spot warning message on the spot, and main control unit is mainly accepted field control instruction.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (9)
1. a Distributed Calculation responds real-time control system fast, it is characterized in that, comprise and show and control unit (1), Industrial Ethernet (2), Distributed Calculation unit (3), facility network (4), on-the-spot I/O equipment (5), the network switch (6), adopt two layer network architecture, by Industrial Ethernet (2) and facility network (4), formed, described on-the-spot I/O equipment (5) is connected with Distributed Calculation unit (3) by facility network (4), described demonstration with control unit (1) and be connected with Distributed Calculation unit (3) by Industrial Ethernet (2).
2. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described Industrial Ethernet (2) adopts two-circuit redundancy structure.
3. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described Distributed Calculation unit (3), for having the programmable logic controller (PLC) PLC of data-handling capacity, carries out collection, arrangement, the calculating of field data, and external issuing command.
4. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described demonstration is single computer or touch-screen with controlling unit (1), and configuration software is installed, according to control object displaying scene information, and carry out relevant command operating.
5. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described on-the-spot I/O equipment (5) is communicated by letter with Distributed Calculation unit (3) by RS232, RS485, modbus agreement, Profibus agreement.
6. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described Industrial Ethernet arranges historical data private server on (2).
7. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described Industrial Ethernet (2) arranges gateway device and expands the quantity that shows and control unit (1).
8. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described Distributed Calculation unit (3) is provided with Dual-Ethernet PORT COM, and program delivery port.
9. Distributed Calculation as claimed in claim 1 responds real-time control system fast, it is characterized in that, described demonstration with control unit (1) and be provided with Dual-Ethernet PORT COM.
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| CN201310545270.6A CN103558825A (en) | 2013-11-07 | 2013-11-07 | Distributed computing quick response real-time control system |
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| CN201310545270.6A CN103558825A (en) | 2013-11-07 | 2013-11-07 | Distributed computing quick response real-time control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357162A (en) * | 2017-06-30 | 2017-11-17 | 镇江赛尔尼柯自动化有限公司 | Universal water inlet detecting and warning system |
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| JP2004151912A (en) * | 2002-10-30 | 2004-05-27 | Hitachi Industrial Equipment Systems Co Ltd | Monitoring system utilizing wireless network |
| EP1916578A1 (en) * | 2006-10-24 | 2008-04-30 | Triphase NV | A system for real-time process control |
| CN202110424U (en) * | 2011-04-11 | 2012-01-11 | 上海板机电气制造有限公司 | Production line control system for medium density fiber boards |
| CN102541034A (en) * | 2012-02-14 | 2012-07-04 | 中国华电工程(集团)有限公司 | Biogas power generation control system |
| CN202461954U (en) * | 2011-12-31 | 2012-10-03 | 大连智云自动化装备股份有限公司 | Device for conveying machine body on engine assembly line |
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- 2013-11-07 CN CN201310545270.6A patent/CN103558825A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004151912A (en) * | 2002-10-30 | 2004-05-27 | Hitachi Industrial Equipment Systems Co Ltd | Monitoring system utilizing wireless network |
| EP1916578A1 (en) * | 2006-10-24 | 2008-04-30 | Triphase NV | A system for real-time process control |
| CN202110424U (en) * | 2011-04-11 | 2012-01-11 | 上海板机电气制造有限公司 | Production line control system for medium density fiber boards |
| CN202461954U (en) * | 2011-12-31 | 2012-10-03 | 大连智云自动化装备股份有限公司 | Device for conveying machine body on engine assembly line |
| CN102541034A (en) * | 2012-02-14 | 2012-07-04 | 中国华电工程(集团)有限公司 | Biogas power generation control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357162A (en) * | 2017-06-30 | 2017-11-17 | 镇江赛尔尼柯自动化有限公司 | Universal water inlet detecting and warning system |
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Application publication date: 20140205 Assignee: Zhenjiang SaierNico Electric & Automation Co., Ltd. Assignor: Zhenjiang SaierNico Automation Co., Ltd. Contract record no.: 2015320000149 Denomination of invention: Distributed computing quick response real-time control system License type: Exclusive License Record date: 20150407 |
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