CN104392296A - Information exchange method for rolling mill multi-agent model system - Google Patents
Information exchange method for rolling mill multi-agent model system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 80
- 238000005096 rolling process Methods 0.000 title abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 75
- 238000003801 milling Methods 0.000 claims description 59
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000013523 data management Methods 0.000 claims description 17
- 238000007726 management method Methods 0.000 claims description 13
- 238000013439 planning Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000004886 process control Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 description 73
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- General Factory Administration (AREA)
Abstract
The invention provides an information exchange method for a rolling mill multi-agent model system, which comprises steps: an information providing agent and an information requiring agent of the rolling mill multi-agent model system carry out information exchange via a database; the information providing agent and the information requiring agent of the rolling mill multi-agent model system carry out information exchange via a real-time information exchange server; and the information providing agent and the information requiring agent of the rolling mill multi-agent model system carry out communication triggering via the real-time information exchange server and then carry out information exchange via the database. The database and the real-time information exchange server in real-time communication are used for exchanging information between multi-agents, a database mode, a real-time information exchange server mode and a database and the real-time information exchange server combination use information exchange mode are adopted according to different information types, and information exchange of the rolling mill multi-agent model system is realized.
Description
Technical field
The invention belongs to metallurgical automation technology field, be specifically related to a kind of information switching method of milling train multiple agent model system.
Background technology
The rolling model of milling train realizes the basis that milling train accurately controls.In order to adapt to current rolling process and appointed condition development, the present situation that product is constantly updated, the precision that various intelligent optimization method starts to be applied to mill model improves.But artificial intelligence application at present remains for a certain special object in the research work of rolling mill practice model, and the process modeling of the operation of rolling is the entirety of organic connections, although can integral level be improved by individual improvement, but if entirety can be considered as a whole, just can obtain better effect.
Multiple agent is one of forward position research direction of artificial intelligence, is an important branch of distributed artificial intelligence research.Intelligent body is that a class in certain circumstances can perception environment, and autonomously can run to represent computational entity or program that its deviser or user realize a series of target, the set that multiple agent is made up of multiple intelligent body.Current multiple agent has been applied to the various aspects such as intelligent robot, traffic control, communication management, product design, commercial management, software development, also start to rise in the applied research of rolling association area, concentrate on the management and running of production line, production schedule arrangement, rolling rhythm optimal control aspect, and tandem strip mill control system builds and Based Intelligent Control aspect, but the research being applied to rolling mill practice model aspect have not been reported.Based on multi-agent Technology, set up intelligentized rolling mill practice model system, significant with progress to the technical development in rolling field.
The technical advantage of multiple agent is the cooperation between intelligent body, and the message exchange between each intelligent body is the core of milling train multiple agent model system.In milling train multiple agent model system, the different information content has different requirement to information exchange system, the multiple agent information switching method of current application is not suitable for milling train multiple agent model system, and therefore needing provides a kind of information switching method for milling train multiple agent model system specially.
Summary of the invention
For prior art Problems existing, the invention provides a kind of information switching method of milling train multiple agent model system.
Technical scheme of the present invention is:
A kind of information switching method of milling train multiple agent model system, described milling train multiple agent model system is used for the production schedule of milling train process control and management, process tracking, model specification and device data management, comprises milling train setting intelligent body, follows the tracks of intelligent body, device data management intelligent body, the production schedule receive intelligent body, production planning management intelligent body, the real-time information swap server storing for information and exchange and database; When carrying out message exchange between multiple agent, provide the intelligent body of exchange information to be called that information provides intelligent body, the intelligent body receiving exchange information is called information requirement intelligent body;
The method comprises:
(1) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out the method for message exchange by database;
(2) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out the method for message exchange by real-time information swap server;
(3) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out communication triggering by real-time information swap server, then carries out the method for message exchange by database.
Described method (1) is when multiple agent carries out exchanges data by database, set up information data table and communication data table, communication is set and triggers flag bit field, information provides intelligent body by after the information written information tables of data that provides, the set that communication triggers flag bit field is carried out in communication data table, information requirement intelligent body periodically retrieves communication data table, when communication triggers after flag bit field to become from no signal and have signal, information requirement intelligent body reads the information in information data table, and reading successfully, communication is triggered flag bit field and is again set to no signal condition.
Described method (1) is carried out as follows:
(1.1) define multiple agent the carries out communication information content by database, and set up information data table;
(1.2) define multiple agent and trigger zone bit information by the communication of database communication, and set up communication data table;
(1.3), in milling train multiple agent model system operational process, information provides intelligent body to be used for the information written information tables of data of communication;
(1.4) information provides intelligent body to carry out set to the communication triggering zone bit in communication data table;
(1.5) communication in information requirement intelligent body retrieval communication data table triggers zone bit;
(1.6) information requirement intelligent body is after determining that communication triggering flag bit field has signal, reads information data table content;
(1.7) information requirement intelligent body is after digital independent success, and it is no signal that communication in communication data table is triggered mark position;
(1.8) (1.3) ~ (1.7) are repeated out of service to milling train multiple agent model system.
Described method (2) be to multiple agent between message exchange content define, and identified by unique No. ID, information requirement intelligent body submits information requirement inventory to real-time information swap server, information provides intelligent body that information is sent to real-time information swap server, according to information requirement inventory, real-time information is sent to information requirement intelligent body by real-time information swap server.
Described method (2) is carried out as follows:
(2.1) define multiple agent message exchange content, by unique ID number, message exchange content is identified;
(2.2), in milling train multiple agent model system operational process, information requirement intelligent body submits to demand information inventory to real-time information swap server;
(2.3) real-time information swap server record and manage all information requirement intelligent bodies submit to information inventory;
(2.4) information provides intelligent body to submit to real-time information to real-time information swap server;
(2.5) real-time information swap server information inventory according to demand, the information that sends is to information requirement intelligent body;
(2.6) repeat (2.4) ~ (2.5) out of service to milling train multiple agent model system, remove demand information inventory;
(2.7) real-time information swap server quits work.
Described method (3) defines the trigger message carrying out message exchange between multiple agent, and identified by unique ID number, information requirement intelligent body submits the list of requirements of trigger message to real-time information swap server, information provides intelligent body by exchange information write into Databasce, and submit to trigger message to real-time information swap server, trigger message is passed to information requirement intelligent body according to the list of requirements of trigger message by real-time information swap server, and information requirement intelligent body is according to reading information in the trigger pip received to database.
Described method (3) is carried out as follows:
(3.1) define multiple agent trigger message, identified by unique ID number;
(3.2) define multiple agent the carries out communication information content by database, and set up information data table;
(3.3) information requirement intelligent body submits to the demand inventory of trigger message to real-time information swap server;
(3.4) real-time information swap server record and manage all information requirement intelligent bodies submit to trigger message demand inventory;
(3.5) information provides intelligent body by the information data table in information write into Databasce;
(3.6) information provides intelligent body to submit to trigger message to real-time information swap server;
(3.7) real-time information swap server is according to trigger message demand inventory, trigger message is sent to information requirement intelligent body;
(3.8), after information requirement intelligent body receives trigger message, in database, information is read;
(3.9) multiple agent runs, and repetition (3.5) ~ (3.8) are out of service to milling train multiple agent model system, removes trigger message demand inventory;
(3.10) real-time information swap server quits work.
Beneficial effect:
The present invention be directed to a kind of information switching method that milling train multiple agent model system provides, the real-time information swap server of database and real-time communication is utilized to exchange the information between multiple agent, according to the message exchange path that different information types adopts database mode, real-time information swap server mode and database and real-time information swap server to be combined, realize the message exchange of milling train multiple agent model system.
Accompanying drawing explanation
Fig. 1 is the milling train multiple agent model system structured flowchart of the specific embodiment of the invention;
Fig. 2 is the schematic diagram being carried out message exchange by database of the specific embodiment of the invention;
Fig. 3 is the schematic diagram being carried out message exchange by real-time information swap server of the specific embodiment of the invention;
Fig. 4 is carrying out communication by real-time information swap server and triggering and carried out the schematic diagram of message exchange again by database of the specific embodiment of the invention;
Fig. 5 is the heavy and medium plate mill multiple agent model system structural representation of the specific embodiment of the invention;
Fig. 6 is method (1) process flow diagram of the specific embodiment of the invention;
Fig. 7 is method (2) process flow diagram of the specific embodiment of the invention;
Fig. 8 is method (3) process flow diagram of the specific embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is elaborated.
Milling train multiple agent model system is used for the production schedule of milling train process control and management, process tracking, model specification and data management, as shown in Figure 1, comprise milling train setting intelligent body, follow the tracks of intelligent body, device data management intelligent body, the production schedule receive intelligent body, production planning management intelligent body, for information store and exchange real-time information swap server and database; When carrying out message exchange between multiple agent, provide the agent model of exchange information to be called that information provides intelligent body, the agent model receiving exchange information is called information requirement intelligent body.
Present embodiment, for the message exchange of heavy and medium plate mill multiple agent model system, is applied to milling train multiple agent model system as shown in Figure 1, elaborates respectively to three kinds of information switching methods.
Fig. 5 is heavy and medium plate mill multiple agent model system, except database and real-time information swap server, also comprise the multiple intelligent bodies in order to realize mill model setup algorithm and nonproductive task, comprise milling train setting intelligent body, tracking intelligent body, device data management intelligent body, the production schedule reception intelligent body, production planning management intelligent body, also comprise real data process intelligent body, Process data management intelligent body, code intelligent computing agent, Model Self-Learning intelligent body and interface data management intelligent body; Need between these intelligent bodies to carry out message exchange.Below respectively for three kinds of message exchange paths (method), an example is selected to be described.
(1) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out the method for message exchange by database, as shown in Figure 2;
Method (1) is when multiple agent carries out exchanges data by database, set up information data table and communication data table, communication is set and triggers flag bit field, information provides intelligent body by after the information written information tables of data that provides, the set that communication triggers flag bit field is carried out in communication data table, information requirement intelligent body periodically retrieves communication data table, when communication triggers after flag bit field to become from no signal and have signal, information requirement intelligent body reads the information in information data table, and reading successfully, communication is triggered flag bit field and is again set to no signal condition.
As shown in Figure 6, method (1) is carried out as follows:
(1.1) define multiple agent the carries out communication information content by database, and set up information data table;
(1.2) define multiple agent and trigger zone bit information by the communication of database communication, and set up communication data table;
(1.3), in milling train multiple agent model system operational process, information provides intelligent body to be used for the information written information tables of data of communication;
(1.4) information provides intelligent body to carry out set to the communication triggering zone bit in communication data table;
(1.5) communication in information requirement intelligent body retrieval communication data table triggers zone bit;
(1.6) information requirement intelligent body is after determining that communication triggering flag bit field has signal, reads information data table content;
(1.7) information requirement intelligent body is after digital independent success, and it is no signal that communication in communication data table is triggered mark position;
(1.8) (1.3) ~ (1.7) are repeated out of service to milling train multiple agent model system.
Message exchange between intelligent body is received for production planning management intelligent body and the production schedule, because the data volume received is very large, and not high to the requirement of real-time of time, employing method (1), database adopts SQL Server 2005.Production planning management intelligent body passes to the production schedule and receives the information content definition of intelligent body in table 1, and sets up the information data table that table name is PDI_DATA_TAB in a database.The communication being defined by database communication triggers zone bit information in table 2, and sets up the communication data table that table name is TRIGGER_DATA_TAB in a database.After multiple agent model system starts, when production planning management intelligent body needs production schedule PDI (Primary Data Information) data to be passed to production schedule reception intelligent body, by in PDI data message write PDI_DATA_TAB information data table, one group of PDI data is in table 3.And the TRI_PDI_RECEIVE field in communication data table TRIGGER_DATA_TAB is set to 1 by 0.The production schedule receives intelligent body as information requirement intelligent body, the TRI_PDI_RECEIVE field in a communication data table TRIGGER_DATA_TAB is retrieved every 1s, when judging that TRI_PDI_RECEIVE is 1, read the data in information data table PDI_DATA_TAB, after reading completes, TRI_PDI_RECEIVE field in communication data table TRIGGER_DATA_TAB is set to 0 again by 1, and message exchange completes.
Table 1 PDI_DATA_TAB information data table
| Sequence number | Data item | Field name | Data type | Unit |
| 1 | Steel plate number | PLT_ID | char(12) | - |
| 2 | Slab thickness | SLB_THK | DEC(5,2) | mm |
| 3 | Width of plate slab | SLB_WID | DEC(5) | mm |
| 4 | Slab length | SLB_LEN | DEC(5) | mm |
| 5 | Slab weight | SLB_WEI | DEC(5) | KG |
| 6 | Steel grade | STEEL_GRD | char(20) | - |
| 7 | Finish rolling final thickness | TAR_THK | DEC(6,3) | mm |
| 8 | The final width of finish rolling | TAR_WID | DEC(6,1) | mm |
| 9 | Finish rolling final lengths | TAR_LEN | DEC(6,1) | mm |
| 10 | Trimming amount | SIDE_CUT | DEC(5,1) | mm |
| 11 | Secondary start rolling temperature | T_TCR | DEC(5,1) | ℃ |
| 12 | Finishing temperature | T_FIN | DEC(5,1) | ℃ |
| 13 | Workpiece thickness | THK_TCR | DEC(5,1) | mm |
| 14 | Carbon | C | DEC(6,3) | ％ |
| 15 | Silicon | SI | DEC(6,3) | ％ |
| 16 | Manganese | MN | DEC(6,3) | ％ |
| 17 | Phosphorus | P | DEC(6,3) | ％ |
| 18 | Sulphur | S | DEC(6,3) | ％ |
| 19 | Aluminium | AL | DEC(6,3) | ％ |
| 20 | Nickel | NI | DEC(6,3) | ％ |
| 21 | Chromium | CR | DEC(6,3) | ％ |
| 22 | Copper | CU | DEC(6,3) | ％ |
| 23 | Molybdenum | MO | DEC(6,3) | ％ |
| 24 | Vanadium | V | DEC(6,3) | ％ |
| 25 | Titanium | TI | DEC(6,3) | ％ |
| 26 | Niobium | NB | DEC(6,3) | ％ |
| 27 | Tungsten | W | DEC(6,3) | ％ |
| 28 | Plumbous | PB | DEC(6,3) | ％ |
| 29 | Tin | SN | DEC(6,3) | ％ |
| 30 | Arsenic | AS1 | DEC(6,3) | ％ |
| 31 | Tellurium | TE | DEC(6,3) | ％ |
| 32 | Bismuth | BI | DEC(6,3) | ％ |
| 33 | Boron | B | DEC(6,3) | ％ |
| 34 | BS | BS | DEC(6,3) | ％ |
| 35 | Calcium | CA | DEC(6,3) | ％ |
| 36 | Magnesium | MG | DEC(6,3) | ％ |
| 37 | Oxygen | O | DEC(6,3) | ％ |
| 38 | Hydrogen | H | DEC(6,3) | ％ |
| 39 | Nitrogen | N | DEC(6,3) | ％ |
| 40 | Rare earth | RE | DEC(6,3) | ％ |
| 41 | PCM | PCM | DEC(6,3) | ％ |
| 42 | Carbon equivalent 1 | CEQ4 | DEC(6,3) | ％ |
| 43 | Carbon equivalent 2 | CEQ6 | DEC(6,3) | ％ |
Table 2 TRIGGER_DATA_TAB communication data table
| Sequence number | Data item | Field name | Data type | Unit |
| 1 | Numbering | TRI_NUM | DEC(3,0) | - |
| 2 | PDI data receiver triggers | TRI_PDI_RECEIVE | DEC(1,0) | - |
Table 3 PDI_DATA_TAB tables of data
| Sequence number | Data item | Field name | Data value |
| 1 | Steel plate number | PLT_ID | B23353830503 |
| 2 | Slab thickness | SLB_THK | 230.00 |
| 3 | Width of plate slab | SLB_WID | 1550 |
| 4 | Slab length | SLB_LEN | 2900 |
| 5 | Slab weight | SLB_WEI | 7990 |
| 6 | Steel grade | STEEL_GRD | Q345B |
| 7 | Finish rolling final thickness | TAR_THK | 50.000 |
| 8 | The final width of finish rolling | TAR_WID | 2000.0 |
| 9 | Finish rolling final lengths | TAR_LEN | 10338.5 |
| 10 | Trimming amount | SIDE_CUT | 60.0 |
| 11 | Secondary start rolling temperature | T_TCR | 930.0 |
| 12 | Finishing temperature | T_FIN | 855.0 |
| 13 | Workpiece thickness | THK_TCR | 99.0 |
| 14 | Carbon | C | 0.161 |
| 15 | Silicon | SI | 0.296 |
| 16 | Manganese | MN | 1.549 |
| 17 | Phosphorus | P | 0.021 |
| 18 | Sulphur | S | 0.013 |
| 19 | Aluminium | AL | 0.023 |
| 20 | Nickel | NI | 0.013 |
| 21 | Chromium | CR | 0.038 |
| 22 | Copper | CU | 0.043 |
| 23 | Molybdenum | MO | 0.004 |
| 24 | Vanadium | V | 0.001 |
| 25 | Titanium | TI | 0.001 |
| 26 | Niobium | NB | 0.005 |
| 27 | Tungsten | W | 0.000 |
| 28 | Plumbous | PB | 0.000 |
| 29 | Tin | SN | 0.000 |
| 30 | Arsenic | AS1 | 0.000 |
| 31 | Tellurium | TE | 0.000 |
| 32 | Bismuth | BI | 0.000 |
| 33 | Boron | B | 0.000 |
| 34 | BS | BS | 0.000 |
| 35 | Calcium | CA | 0.000 |
| 36 | Magnesium | MG | 0.000 |
| 37 | Oxygen | O | 0.000 |
| 38 | Hydrogen | H | 0.000 |
| 39 | Nitrogen | N | 0.000 |
| 40 | Rare earth | RE | 0.000 |
| 41 | PCM | PCM | 0.000 |
| 42 | Carbon equivalent 1 | CEQ4 | 0.000 |
| 43 | Carbon equivalent 2 | CEQ6 | 0.000 |
(2) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out the method for message exchange by real-time information swap server, as shown in Figure 3;
Method (2) be to multiple agent between message exchange content define, and identified by unique No. ID, information requirement intelligent body submits information requirement inventory to real-time information swap server, information provides intelligent body that information is sent to real-time information swap server, according to information requirement inventory, real-time information is sent to information requirement intelligent body by real-time information swap server.
As shown in Figure 7, method (2) is carried out as follows:
(2.1) define multiple agent message exchange content, by unique ID number, message exchange content is identified;
(2.2), in milling train multiple agent model system operational process, information requirement intelligent body submits to demand information inventory to real-time information swap server;
(2.3) real-time information swap server record and manage all information requirement intelligent bodies submit to information inventory;
(2.4) information provides intelligent body to submit to real-time information to real-time information swap server;
(2.5) real-time information swap server information inventory according to demand, the information that sends is to information requirement intelligent body;
(2.6) repeat (2.4) ~ (2.5) out of service to milling train multiple agent model system, remove demand information inventory;
(2.7) real-time information swap server quits work.
Message exchange between real data process multiple agent and Model Self-Learning intelligent body, the information completed due to real data process needs to pass to Model Self-Learning intelligent body fast, has higher requirement to real-time, adopts real-time information swap server path.Between real data process multiple agent and Model Self-Learning intelligent body, message exchange is content-defined in table 4, and unique ID is designated: ID_DATA_TREATE_TO_MODEL_LEARN.Real-time information swap server and multi-agent system start, and Model Self-Learning intelligent body is as information requirement side, and when starting, demand information inventory ID being designated ID_DATA_TREATE_TO_MODEL_LEARN sends to real-time information swap server; Real-time information swap server carries out record; The passage real data processed is sent to real-time information swap server by real data process multiple agent; Information is sent to Model Self-Learning intelligent body according to Information ID number by real-time information swap server, and one group of passage real data of transmission is in table 5.Multiple agent runs, and repeats said process.After multiple agent stops, removing demand information inventory, and stop real-time information swap server.
Table 4 information exchange list
| Sequence number | Item of information | Unit |
| 1 | Information ID number | - |
| 2 | Current pass number | - |
| 3 | Fore side roll-force | kN |
| 4 | Transmission side roll-force | kN |
| 5 | Fore side roll gap | mm |
| 6 | Transmission side roll gap | mm |
| 7 | Top roll rotating speed | r/min |
| 8 | Lower roll rotating speed | r/min |
| 9 | Top roll Main motor current | A |
| 10 | Lower roll Main motor current | A |
| 11 | Rolled piece is in inlet of rolling mill temperature | ℃ |
| 12 | Rolled piece is in milling train outlet temperature | ℃ |
| 13 | Inlet of rolling mill manipulator opening degree | mm |
| 14 | Milling train outlet manipulator opening degree | mm |
| 15 | Thicknessmeter actual measurement thickness | mm |
Table 5 passage real data table
| Sequence number | Item of information | Numerical value |
| 1 | Information ID number | ID_DATA_TREATE_TO_MODEL_LEARN |
| 2 | Current pass number | 1 |
| 3 | Fore side roll-force | 7582.2 |
| 4 | Transmission side roll-force | 7704.6 |
| 5 | Fore side roll gap | 215.18 |
| 6 | Transmission side roll gap | 215.12 |
| 7 | Top roll rotating speed | 30.3 |
| 8 | Lower roll rotating speed | 31.2 |
| 9 | Top roll Main motor current | 185.6 |
| 10 | Lower roll Main motor current | 325.7 |
| 11 | Rolled piece is in inlet of rolling mill temperature | 1099.7 |
| 12 | Rolled piece is in milling train outlet temperature | 1094.2 |
| 13 | Inlet of rolling mill manipulator opening degree | 2912 |
| 14 | Milling train outlet manipulator opening degree | 2953 |
| 15 | Thicknessmeter actual measurement thickness | 0.0 |
(3) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out communication triggering by real-time information swap server, then carries out the method for message exchange by database, as shown in Figure 4.
Method (3) defines the trigger message carrying out message exchange between multiple agent, and identified by unique ID number, information requirement intelligent body submits the list of requirements of trigger message to real-time information swap server, information provides intelligent body by exchange information write into Databasce, and submit to trigger message to real-time information swap server, trigger message is passed to information requirement intelligent body according to the list of requirements of trigger message by real-time information swap server, and information requirement intelligent body is according to reading information in the trigger pip received to database.
As shown in Figure 8, method (3) is carried out as follows:
(3.1) define multiple agent trigger message, identified by unique ID number;
(3.2) define multiple agent the carries out communication information content by database, and set up information data table;
(3.3) information requirement intelligent body submits to the demand inventory of trigger message to real-time information swap server;
(3.4) real-time information swap server record and manage all information requirement intelligent bodies submit to trigger message demand inventory;
(3.5) information provides intelligent body by the information data table in information write into Databasce;
(3.6) information provides intelligent body to submit to trigger message to real-time information swap server;
(3.7) real-time information swap server is according to trigger message demand inventory, trigger message is sent to information requirement intelligent body;
(3.8), after information requirement intelligent body receives trigger message, in database, information is read;
(3.9) multiple agent runs, and repetition (3.5) ~ (3.8) are out of service to milling train multiple agent model system, removes trigger message demand inventory;
(3.10) real-time information swap server quits work.
Follow the tracks of the data management of intelligent body after rolled piece rolling completes and between Process data management intelligent body and exchange, because data amount information is comparatively large, and real-time be there are certain requirements, adopt the message exchange path of real-time information swap server and database combination.Tracking intelligent body passes to the rolling of Process data management intelligent body rolled piece and completes the definition of trigger message in table 6, and is identified by unique ID:ID_TRK_TO_PROCESS_MANAGE_TRIGGER.Follow the tracks of intelligent body and pass to the information content definition of Process data management intelligent body in table 7 by database, and set up information data table: TRK_TO_PROCESS_MANAGE_DATA_TAB; Real-time information swap server starts; Multiple agent starts, and the trigger message demand inventory that ID is ID_TRK_TO_PROCESS_MANAGE_TRIGGER as information requirement side by Process data management intelligent body sends to real-time information swap server, and real-time information swap server record also manages; Follow the tracks of intelligent body as information providing, after rolled piece rolling completes, the information data table by rolled piece data write into Databasce: TRK_TO_PROCESS_MANAGE_DATA_TAB, data are in table 8, again trigger message is sent to real-time information swap server, trigger message data are in table 9; Trigger message, according to the demand inventory of trigger message, is sent to Process data management intelligent body by real-time information swap server; After Process data management intelligent body receives trigger message, in database, read the information in information data table TRK_TO_PROCESS_MANAGE_DATA_TAB.In multiple agent operational process, repeat above-mentioned data management and exchange process, until multiple agent stops.Remove trigger message demand inventory, stop real-time information swap server.
Table 6 trigger message swap table
| Sequence number | Item of information | Unit |
| 1 | Information ID number | - |
| 2 | Steel plate number | - |
Table 7 TRK_TO_PROCESS_MANAGE_DATA_TAB information data table
| Sequence number | Data item | Field name | Data type | Unit |
| 1 | Steel plate number | PLT_ID | char(12) | - |
| 2 | Passage | PASS_NUM | DEC(2,0) | - |
| 3 | Exit thickness | THICK | DEC(5,2) | mm |
| 4 | Roll gap | GAP | DEC(5,2) | mm |
| 5 | Roll-force | FORCE | DEC(6,1) | kN |
| 6 | Moment | TORQUE | DEC(6,1) | kN.m |
| 7 | Mill speed | SPEED | DEC(3,1) | r/min |
Table 8 TRK_TO_PROCESS_MANAGE_DATA_TAB tables of data
Table 9 trigger message tables of data
| Sequence number | Item of information | Numerical value |
| 1 | Information ID number | ID_TRK_TO_PROCESS_MANAGE_TRIGGER |
| 2 | Steel plate number | B23353830503 |
Claims (7)
1. the information switching method of a milling train multiple agent model system, described milling train multiple agent model system is used for the production schedule of milling train process control and management, process tracking, model specification and device data management, comprises milling train setting intelligent body, follows the tracks of intelligent body, device data management intelligent body, the production schedule receive intelligent body, production planning management intelligent body, the real-time information swap server storing for information and exchange and database; When carrying out message exchange between multiple agent, provide the intelligent body of exchange information to be called that information provides intelligent body, the intelligent body receiving exchange information is called information requirement intelligent body, it is characterized in that: the method comprises:
(1) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out the method for message exchange by database;
(2) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out the method for message exchange by real-time information swap server;
(3) information of milling train multiple agent model system provides intelligent body and information requirement intelligent body to carry out communication triggering by real-time information swap server, then carries out the method for message exchange by database.
2. the information switching method of milling train multiple agent model system according to claim 1, be characterised in that: described method (1) is when multiple agent carries out exchanges data by database, set up information data table and communication data table, communication is set and triggers flag bit field, information provides intelligent body by after the information written information tables of data that provides, the set that communication triggers flag bit field is carried out in communication data table, information requirement intelligent body periodically retrieves communication data table, when communication triggers after flag bit field to become from no signal and have signal, information requirement intelligent body reads the information in information data table, and reading successfully, communication is triggered flag bit field and is again set to no signal condition.
3. the information switching method of milling train multiple agent model system according to claim 1, is characterised in that: described method (1) is carried out as follows:
(1.1) define multiple agent the carries out communication information content by database, and set up information data table;
(1.2) define multiple agent and trigger zone bit information by the communication of database communication, and set up communication data table;
(1.3), in milling train multiple agent model system operational process, information provides intelligent body to be used for the information written information tables of data of communication;
(1.4) information provides intelligent body to carry out set to the communication triggering zone bit in communication data table;
(1.5) communication in information requirement intelligent body retrieval communication data table triggers zone bit;
(1.6) information requirement intelligent body is after determining that communication triggering flag bit field has signal, reads information data table content;
(1.7) information requirement intelligent body is after digital independent success, and it is no signal that communication in communication data table is triggered mark position;
(1.8) (1.3) ~ (1.7) are repeated out of service to milling train multiple agent model system.
4. the information switching method of milling train multiple agent model system according to claim 1, be characterised in that: described method (2) be to multiple agent between message exchange content define, and identified by unique No. ID, information requirement intelligent body submits information requirement inventory to real-time information swap server, information provides intelligent body that information is sent to real-time information swap server, according to information requirement inventory, real-time information is sent to information requirement intelligent body by real-time information swap server.
5. the information switching method of milling train multiple agent model system according to claim 1, is characterised in that: described method (2) is carried out as follows:
(2.1) define multiple agent message exchange content, by unique ID number, message exchange content is identified;
(2.2), in milling train multiple agent model system operational process, information requirement intelligent body submits to demand information inventory to real-time information swap server;
(2.3) real-time information swap server record and manage all information requirement intelligent bodies submit to information inventory;
(2.4) information provides intelligent body to submit to real-time information to real-time information swap server;
(2.5) real-time information swap server information inventory according to demand, the information that sends is to information requirement intelligent body;
(2.6) repeat (2.4) ~ (2.5) out of service to milling train multiple agent model system, remove demand information inventory;
(2.7) real-time information swap server quits work.
6. the information switching method of milling train multiple agent model system according to claim 1, be characterised in that: described method (3) defines the trigger message carrying out message exchange between multiple agent, and identified by unique ID number, information requirement intelligent body submits the list of requirements of trigger message to real-time information swap server, information provides intelligent body by exchange information write into Databasce, and submit to trigger message to real-time information swap server, trigger message is passed to information requirement intelligent body according to the list of requirements of trigger message by real-time information swap server, information requirement intelligent body is according to reading information in the trigger pip received to database.
7. the information switching method of milling train multiple agent model system according to claim 1, is characterised in that: described method (3) is carried out as follows:
(3.1) define multiple agent trigger message, identified by unique ID number;
(3.2) define multiple agent the carries out communication information content by database, and set up information data table;
(3.3) information requirement intelligent body submits to the demand inventory of trigger message to real-time information swap server;
(3.4) real-time information swap server record and manage all information requirement intelligent bodies submit to trigger message demand inventory;
(3.5) information provides intelligent body by the information data table in information write into Databasce;
(3.6) information provides intelligent body to submit to trigger message to real-time information swap server;
(3.7) real-time information swap server is according to trigger message demand inventory, trigger message is sent to information requirement intelligent body;
(3.8), after information requirement intelligent body receives trigger message, in database, information is read;
(3.9) multiple agent runs, and repetition (3.5) ~ (3.8) are out of service to milling train multiple agent model system, removes trigger message demand inventory;
(3.10) real-time information swap server quits work.
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