CN108459556B - Flexible automobile assembly line control system based on information physical system - Google Patents
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- 239000000047 product Substances 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 2
- 239000012467 final product Substances 0.000 abstract description 2
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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Abstract
The invention relates to the field of automobile manufacturing, in particular to a flexible automobile assembly line control system based on an information physical system, and aims to improve the production efficiency. By utilizing the flexible automobile assembly line control system based on the information physical system, a user can place an order through a user terminal, an administrator can remotely operate and control the assembly process and process at a client, and a server sends an action instruction to equipment on the automobile assembly line through a PLC (programmable logic controller) and collects process data in real time; in addition, the logistics subsystem transports the final product to a place designated by the user, and the user can feed back the product quality to the server after receiving the product. By the control system, personalized customization and general assembly process remote control of products can be realized, a manager can conveniently master the production progress and problems in the production progress at any time, and the production efficiency is greatly improved. Meanwhile, the user is allowed to inquire the order progress at any time, and the user experience is improved.
Description
Technical Field
The invention relates to the field of automobile manufacturing, in particular to a flexible automobile assembly line control system based on an information physical system.
Background
With the increasing requirements on process, efficiency and quality in the industrial field production process and the increasing rapid development of automation and informatization technology, the whole system of the automobile manufacturing industry needs to be improved, the automobile production line needs to complete automobile models with different models and specifications every year at present, and the production line becomes a problem which needs to be solved urgently in the automation process of the automobile manufacturing industry for improving the production efficiency, lightening the burden of personnel, improving the production quality and the like.
In the production process of the existing automobile production line, the quick switching of automobile types cannot be realized; when most parts of the automobile are integrally installed, manual pushing is needed to be carried out manually, repeated positioning errors are large, and dynamic control cannot be achieved; in the process of integrally assembling the automobile, the on-line monitoring is realized by depending on a field operation panel in the prior stage, and a manager cannot know the production condition in time and make correct response in an office and cannot realize real-time perception; at present, a workshop cannot completely monitor a production process, including information such as vehicle positions, states and faults, process data cannot be filed in time and inquired afterwards, equipment process data cannot be output in forms such as reports and interfaces, and equipment operation does not have log recording and authority management functions. Once the automobile is completely assembled, once problems occur, the problems can be found out.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a flexible automobile assembly line control system based on an information physical system, and the production efficiency is improved.
The invention provides a flexible automobile general assembly line control system based on an information physical system, which comprises the following components: a server, one or more clients;
the server configured to: controlling an automobile assembly line through a PLC (programmable logic controller) controller on the automobile assembly line; receiving process data acquired by the PLC, analyzing, compressing, storing and archiving;
the client is configured to: communicating with the server, calling the process data, remotely monitoring the operation process of the automobile assembly line, and issuing remote scheduling and management commands through the server;
preferably, the client communicates with the server through an industrial network.
Preferably, the server is further configured to: recording and inquiring the operation log of the equipment to generate a log report;
accordingly, the client is further configured to: and calling the log report, and making a decision according to the log report.
Preferably, the flexible automobile assembly line control system further comprises: a user terminal;
the user terminal is configured to: sending a personalized order to the server;
accordingly, the server is further configured to: receiving the personalized orders, classifying and summarizing the orders, and generating an order report; the client is further configured to: and calling the order report form from the server, inquiring the process requirements and the accessory requirements of each order, and remotely controlling the automobile assembly line to carry out batch or single product assembly.
Preferably, the user terminal is a mobile terminal or a computer.
Preferably, the flexible automobile assembly line control system further comprises: a logistics subsystem;
the logistics subsystem is configured to: and according to the order information, conveying the final assembled product to a receiving place specified by the order corresponding to the product.
Preferably, the user terminal is further configured to: inquiring the order progress through the server;
accordingly, the logistics subsystem is further configured to: sending logistics information to the server;
the server is further configured to: and providing order progress inquiry service for the user terminal according to the process information and the logistics information.
Preferably, the user terminal is further configured to: and feeding back the product quality to the server.
The automobile assembly line comprises:
a sliding plate line circulation module, an EMS (electric monomer system) aerial trolley module, an RGV (Railguide vehicle) self-propelled trolley module and an RFID (radio Frequency identification) radio Frequency identification module;
the sliding plate line circulating module comprises a plurality of stations, the sliding plate line adopts a circulating line structure and is distributed in a rectangular shape, and rotating tables are arranged at four corners and are used for providing circulating lines for the EMS aerial trolley, and the circulating lines, the RGV self-propelled trolley and the stations form a combined assembly and chassis assembly line;
the EMS aerial trolley module is used for hoisting or unloading automobile accessories, is distributed above the sliding plate in a rectangular shape, and is provided with two layers of platforms and a maintenance station;
the RGV self-propelled trolley module is used for being matched with a platform for placing parts and an EMS (energy management system) to assemble a vehicle;
the RFID module identifies the electronic tag, reads information in the electronic tag, and then controls process equipment to assemble the whole vehicle.
The invention has the beneficial effects that:
by utilizing the flexible automobile assembly line control system based on the information physical system, a user can place an order through a user terminal, an administrator can remotely operate and control the assembly process and process at a client, and a server sends an action instruction to equipment on the automobile assembly line through a PLC (programmable logic controller) and collects process data in real time; in addition, the logistics subsystem transports the final product to a place designated by the user, and the user can feed back the product quality to the server after receiving the product. By the control system, personalized customization and general assembly process remote control of products can be realized, an administrator can conveniently master the production progress and the problems in the production progress at any time, and the production efficiency is greatly improved. Meanwhile, the user is allowed to inquire the order progress at any time, and the user experience is improved.
The invention can realize the following aims through dynamic control, real-time perception and information service flexible service based on an information physical system:
1) visualization of production orders: providing order progress inquiry service for a user terminal through process information and logistics information on a general assembly line;
2) visualization of the device operation log: controlling an automobile assembly line through a PLC (programmable logic controller); receiving process data acquired by a PLC controller, compressing, storing and archiving; recording and inquiring the operation log of the equipment to generate a log report;
3) real-time control of process equipment: the electronic tag is identified, and the information in the electronic tag is read, so that the process equipment is controlled in real time to assemble the whole vehicle;
4) remote fault diagnosis: remote fault diagnosis can be realized through a network, so that the fault processing time is shortened;
5) the production operation is flexible: by the process driving production concept, the rapid switching of the vehicle types of the final assembly vehicle can be realized;
6) remote state monitoring: and the final assembly workshop remote monitoring can be realized through an IE browser or a client.
Drawings
FIG. 1 is a schematic diagram showing the construction of an embodiment of a flexible automobile assembly line control system based on an cyber-physical system according to the present invention;
FIG. 2 is a schematic structural diagram of an assembly line in an embodiment of the present invention;
fig. 3 is a schematic view of a modular assembly line structure in an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The information physical system is a popular development in the present society as a unified body of a computing process and a physical process, and is an intelligent system integrating computing, communication and control. The information physical system realizes interaction with a physical process through a man-machine interaction interface, so that the whole production line controls a physical entity in a reliable, real-time, safe and cooperative mode. Therefore, the invention provides a flexible automobile production system based on an information physical system, so as to realize real-time perception, dynamic control and individuation of information service of a large automobile production engineering system, realize seamless integrated communication with industrial equipment rapidly, and have the advantages of convenient operation, flexible realization and high reliability.
Fig. 1 is a schematic configuration diagram of an embodiment of a flexible automobile assembly line control system based on an cyber-physical system according to the present invention. As shown in fig. 1, the flexible automobile assembly line control system 100 of the present embodiment includes: server 110, client 120, user terminal 130, logistics subsystem 140;
wherein:
the server 110 is used for realizing real-time acquisition, processing, calculation, summarization and storage of the production process data of the general assembly line, and the plurality of clients 120 can indirectly access the production process data through the server 110. In this embodiment, the server 110 is configured to: controlling the automobile assembly line 200 through a plurality of PLC controllers on the automobile assembly line 200; receiving process data acquired by a PLC controller, analyzing, compressing, storing and archiving; recording and inquiring the operation log of the equipment to generate a log report; receiving personalized orders, classifying and summarizing the orders to generate an order report; and providing the user terminal 130 with order progress inquiry service according to the process information and the logistics information on the assembly line.
The client 120 is configured to: communicating with the server 110, calling an order report form from the server 110, inquiring process requirements and accessory requirements of each order, and remotely controlling the automobile assembly line 200 to carry out assembly of batches or single products; the process data and the log report on the general assembly line 200 are called, the operation process of the automobile general assembly line 200 is remotely monitored in real time, and a remote scheduling and management command is issued through the server 110. Of course, the above functions of the client 120 can also be performed by the webServer of the browser login server 110.
The user terminal 130 is a mobile terminal or a computer configured to: sending the personalized order to the server 110; querying, via server 110, for order progress; the product quality is fed back to the server 110.
The logistics subsystem 140 is configured to: according to the order information, the final-assembled product is conveyed to a receiving place specified by the order corresponding to the product, and the logistics information is sent to the server 110 in real time; the user terminal 130 is convenient to inquire the logistics transportation progress.
In this embodiment, the client 120 and the server 110 communicate with each other through an industrial network, which facilitates remote diagnosis of the assembly line to find and solve problems in time, thereby shortening the time for processing faults and improving the use efficiency of the device.
Fig. 2 is a schematic structural diagram of an assembly line in an embodiment of the present invention. As shown in fig. 2, the automobile assembly line in this embodiment is divided into a main line of the skateboard cycle and 14 working positions. The slide plate line adopts a circulating line structure, is in rectangular distribution, is provided with rotating tables at four corners and is used for providing a circulating line for the EMS aerial trolley, and is assembled with the RGV self-propelled trolley and 8 stations to form a chassis assembly line. And (3) finishing tracking of assembly data such as vehicle types and the like, and counting yield and production information through information interaction of an RFID (radio frequency identification) and an MES (Manufacturing Execution System).
EMS is distributed in a rectangular shape, the total number of the lifting appliances is 23, the numbers are from 01 to 23, the rightmost area is a cache area and is positioned above the sliding plate, two layers of platforms and a maintenance station are arranged, and a skid is arranged on the platforms; two sliding tracks are arranged below the RGV self-propelled trolley, the RGV trolley supports lifting, when the trolley is lifted to the same height as the part placing platform, parts on the part placing platform are moved to the RGV trolley, and the parts required by vehicle production are loaded on the part placing platform. After the part to be placed is moved to the RGV trolley and is stably stopped, the trolley is driven by a motor to move to the production line to be in place, the part on the RGV trolley is moved to the part placing platform by the RGV trolley, and the part can be assembled after the vehicle to be assembled on the EMS descends. After the assembly is finished, the RGV is transported to the lower platform again to assemble the automobile parts, the processes are circulated again to realize the production period, and the dynamic control individuation of the information physical system is highlighted.
Fig. 3 is a schematic view of a modular assembly line structure in an embodiment of the present invention. As shown in fig. 3, the automobile assembly line 200 is divided into modules, and includes the following modules: a sliding plate line circulation module 210, an EMS air trolley module 220, an RGV self-propelled trolley module 230 and an RFID module 240.
The sliding plate line circulating module 210 is used for providing a circulating line for the EMS aerial trolley, and is combined with the RGV self-propelled trolley and a plurality of stations to form a combined and chassis assembly line; the EMS aerial vehicle module 220 is used for hoisting or unloading automobile accessories; the RGV self-propelled trolley module 230 is used for matching with a platform for placing parts and an EMS to assemble a vehicle; the RFID radio frequency identification module 240 reads information in the electronic tag by identifying the electronic tag, and further controls process equipment to assemble the whole vehicle; the RFID module 240 can sense the electronic tag through the radio frequency antenna, so that multi-byte data reading of the electronic tag is realized, and an anti-collision algorithm is adopted, so that the anti-interference capability is strong, and the reading and writing distance is long. Compared with bar code identification, the method has many advantages such as no need of manual focusing and the like. The above-mentioned slide plate line circulation module 210, EMS aerial trolley module 220, RGV self-propelled trolley module 230, and RFID radio frequency identification module 240 all contain PLC controllers, can collect and upload process data on the assembly line to the server, and accept control instructions issued by the server at the same time.
The service is flexibly controlled, sensed in real time and served by the information based on the information physical system. The following objectives can be achieved:
1) visualization of production orders: providing order progress inquiry service for a user terminal through process information and logistics information on a general assembly line;
2) visualization of the device operation log: controlling an automobile assembly line through a PLC (programmable logic controller); receiving process data acquired by a PLC controller, compressing, storing and archiving; recording and inquiring the operation log of the equipment to generate a log report;
3) real-time control of process equipment: the electronic tag is identified, and the information in the electronic tag is read, so that the process equipment is controlled in real time to assemble the whole vehicle;
4) remote fault diagnosis: remote fault diagnosis can be realized through a network, so that the fault processing time is shortened;
5) the production operation is flexible: by the process driving production concept, the rapid switching of the vehicle types of the final assembly vehicle can be realized;
6) remote state monitoring: and the final assembly workshop remote monitoring can be realized through an IE browser or a client.
Those of skill in the art will appreciate that the method steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described above generally in terms of their functionality in order to clearly illustrate the interchangeability of electronic hardware and software. Whether such functionality is implemented as electronic hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (7)
1. The utility model provides a flexible car assembly line control system based on information physics system which characterized in that includes: a server, one or more clients, and a user terminal;
the server configured to: controlling the automobile assembly line through a PLC (programmable logic controller) on the automobile assembly line; receiving process data acquired by the PLC, analyzing, compressing, storing and archiving;
the client is configured to: communicating with the server, calling the process data, remotely monitoring the operation process of the automobile assembly line, and issuing remote scheduling and management commands through the server;
wherein the server is further configured to: recording and inquiring the operation log of the equipment to generate a log report;
accordingly, the client is further configured to: calling the log report and making a decision according to the log report;
wherein the user terminal is configured to: sending a personalized order to the server;
accordingly, the server is further configured to: receiving the personalized orders, classifying and summarizing the orders, and generating an order report; the client is further configured to: and calling the order report form from the server, inquiring the process requirements and the accessory requirements of each order, and remotely controlling the automobile assembly line to carry out batch or single product assembly.
2. The flexible automobile assembly line control system according to claim 1, wherein the client communicates with the server through an industrial network.
3. The flexible automobile assembly line control system according to claim 1, wherein the user terminal is a mobile terminal or a computer.
4. The flexible automotive assembly line control system of claim 1, further comprising: a logistics subsystem;
the logistics subsystem is configured to: and according to the order information, conveying the final assembled product to a receiving place specified by the order corresponding to the product.
5. The flexible automotive assembly line control system of claim 4, wherein the user terminal is further configured to: inquiring the order progress through the server;
accordingly, the logistics subsystem is further configured to: sending logistics information to the server;
the server is further configured to: and providing order progress inquiry service for the user terminal according to the process data and the logistics information.
6. The flexible automotive assembly line control system of claim 5, wherein the user terminal is further configured to: and feeding back the product quality to the server.
7. The flexible automotive assembly line control system according to any one of claims 1 to 6, wherein the automotive assembly line includes:
the system comprises a sliding plate line circulation module, an EMS aerial trolley module, an RGV self-propelled trolley module and an RFID module;
the sliding plate line circulating module comprises a plurality of stations, the sliding plate line adopts a circulating line structure and is distributed in a rectangular shape, and rotating tables are arranged at four corners and are used for providing circulating lines for the EMS aerial trolley, and the circulating lines, the RGV self-propelled trolley and the stations form a combined assembly and chassis assembly line;
the EMS aerial trolley module is used for hoisting or unloading automobile accessories, is distributed above the sliding plate in a rectangular manner, and is provided with two layers of platforms and a maintenance station;
the RGV self-propelled trolley module is used for being matched with a platform for placing parts and an EMS (energy management system) to assemble a vehicle;
the RFID module identifies the electronic tag, reads information in the electronic tag, and then controls process equipment to assemble the whole vehicle.
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| CN109263762B (en) * | 2018-10-15 | 2020-04-21 | 宁波吉利汽车研究开发有限公司 | Assembly flexible production system and method |
| CN109552451B (en) * | 2018-11-29 | 2021-01-29 | 中国科学院自动化研究所 | Vehicle assembly assembling line |
| KR102217922B1 (en) * | 2019-01-08 | 2021-02-19 | 주식회사 럭스로보 | A system for providing assembly information and a module assembly |
| CN110045701A (en) * | 2019-04-20 | 2019-07-23 | 平湖弘欣热电有限公司 | Steam power plant's information integral integrated system |
| CN112363470A (en) * | 2020-11-05 | 2021-02-12 | 苏州工业园区卡鲁生产技术研究院 | User-cooperative robot control system |
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| SI3012695T1 (en) * | 2014-10-23 | 2018-01-31 | Comau S.P.A. | System for monitoring and controlling an industrial plant |
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