CN111752240A - Construction method of automatic production control framework - Google Patents
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Abstract
The invention relates to a method for constructing an automatic production control framework, which maps equipment participating in production control and a production process flow of a product into a database of a background control center, the background control center binds the production process flow with the equipment, and after the background control center is connected with the equipment, the background control center calls related equipment to realize the production control of the product according to the production process flow of the product. In the production control process, the control of the equipment can be realized by modifying the variables of the control program of the equipment mapped in the database, so that the automatic execution process of the whole process is realized. The whole framework formed by associating and integrating all links of product production can realize the automatic production of the product according to the framework.
Description
Technical Field
The invention belongs to the technical field of industrial production control, and particularly relates to a construction method of an automatic production control framework.
Background
The production process of the product usually needs a longer production line, all devices on the production line are controlled by production control software, so that all the devices cooperate with each other to realize the production of the product, the traditional production control software is presented in a pyramid structure form, such as ERP < - >, APS < - >, MES < - >, SCADA < - >, a bottom layer control system (PLC or DCS), and the traditional production control software has the defects of easy generation of an information island, difficult integration and high use cost of a user.
In chinese patent No. CN107767015A entitled "an MES-based production system", an MES-based production system is disclosed, which automatically issues a main production plan by pushing a service order of an ERP system to the MES system, comprising: the system comprises a data center, an MES management subsystem, an MES operation subsystem and an MES monitoring subsystem; the MES management subsystem is used for calling an execution process of the CAPP/PDM system according to the main production plan, evaluating the capacity by combining PM system data and forming a node plan and an operation plan of production scheduling; the MES operation subsystem is used for receiving the node plan and the operation plan formed by the MES management subsystem through the station all-in-one machine, calling a process drawing with an NC processing code and sending an NC processing instruction to processing equipment of each workshop; and the MES monitoring subsystem is used for monitoring the planned progress information, the equipment state information, the quality analysis information and the capacity dynamic information of each production workshop in the operation process and feeding back the planned progress information, the equipment state information, the quality analysis information and the capacity dynamic information to the data center in real time. The system can effectively integrate scattered production data information and realize production linkage cooperation.
In the above patent, the MES system is further developed, and the MES system is combined with the ERP system, but the development process is still limited to the original basis, and for the product production, a complete life process flow is required, the production process flow is flexibly bound with the equipment, and the management of the equipment participating in the production control is also an important and urgently needed solution in the product production.
Based on this, it is urgent to realize advanced scheduling system (APS), Manufacturing Execution System (MES), monitoring and data acquisition (SCADA) in a software, and simplify the pyramid-type complex system into flat production control software, thereby eliminating information isolated island, realizing flexible production, and reducing the use cost of users.
Disclosure of Invention
In order to solve the above problems, a primary object of the present invention is to provide a method for constructing an architecture for automated production control, the method associates and integrates various links of product production, implements construction of the entire process of product production control, maps equipment information and production process flows into a database of a background control center, associates each production process flow with equipment information, and invokes associated equipment to perform production operations during automated production.
The invention further aims to provide a method for constructing an automatic production control framework, which can realize the operation control of equipment by modifying variable information in a control program of the equipment through a background control center.
The invention further aims to provide a construction method of the framework of the automatic production control, which refines the production process flow, refines each specific production step in the production process flow into a specific control instruction, binds the control instruction with the equipment, and realizes the control of the production process flow process by the control instruction.
In order to achieve the above object, the technical solution of the present invention is as follows.
A method for constructing a framework of automatic production control is characterized in that equipment participating in production control and production process flows of products are mapped into a database of a background control center, the background control center binds the production process flows with the equipment and establishes connection between the background control center and the equipment, the background control center calls related equipment according to the production process flows of the products to realize production control of the products in a production control process, the control of the equipment can be realized by modifying variables of control programs of the equipment mapped in the database, and further an automatic execution process of the whole process is realized.
Further, the specific steps of the architecture construction are as follows:
s1: establishing mapping of a physical space and an information space between equipment information participating in production control and a database of a background control center, and storing a control program and the equipment information of each equipment in a database in a partitioning manner; the process models the equipment, maps the equipment information into a database of a background control center, is convenient for counting the equipment and is also convenient for binding the equipment with a specific production process flow;
s2: formulating a production process flow of the product according to the production requirement of the product, and archiving the production process flow; the step formulates different production process flows aiming at different products, so that the formulation of the production process flows of different products can be flexibly realized, and the mode of archiving the production process flows of the products is convenient for editing and modifying the production process flows.
S3: the production process flows of the same process path are numbered identically so as to carry out uniform scheduling; when the process paths in the production process flows of different products are the same, the production process flows can be executed simultaneously.
S4: a production scheduling plan is made according to the process paths under each production process flow, so that the condition that equipment is occupied when the production process flows with the same process paths are executed at the same time is avoided;
s5: binding the production process flow of the product with the equipment information in the database;
s6: establishing a special equipment interface, packaging a dynamic link library file of the equipment and the equipment interface, and establishing the connection between the equipment and a control center through the equipment interface so as to realize the connection between a computer of the control center and the equipment; the method can lead the dynamic link library file of the equipment participating in production control into a computer or a server for storage in advance, and the computer or the server directly reads the dynamic link library file of the equipment and packages the dynamic link library file with an equipment interface, so that the computer is connected with the equipment through the equipment interface in project engineering; the dynamic link library file of the equipment comprises an interface for connecting a control program of the equipment, and the interface realizes the editing of variable information of the control program of the equipment;
s7: and the background control center analyzes the archived file, and invokes equipment associated with each production process flow to execute production operation according to the production process flow of the product.
Further, in the step S5, the production process flow is subdivided into a plurality of process paths, the process paths are sequentially ordered according to the production order, each process path corresponds to a plurality of production steps, each production step is subdivided into specific control instructions, and each control instruction is associated with the equipment. Subdividing the production process flow into the minimum execution unit in the production and processing process: the control instructions subdivide the production steps in each production process into sets of the control instructions, and then sequence and link a plurality of control instructions to form the whole production flow of the product, so that the product can be sequentially executed according to the control instructions in the production process, the whole production process flow is connected in series, equipment can complete the production operation of the production steps according to the control instructions, and the execution of the whole production flow is further realized.
Further, the method determines the data items to be acquired according to actual requirements, acquires the corresponding data items from the change server records in the data change process of the equipment, and finishes the acquisition of the equipment information. When the value of the variable name of the control program of the equipment is changed, a change record is added in the corresponding server, and the change record in the corresponding server is traversed aiming at the variable name to be collected to obtain the change value corresponding to the variable name. According to the data acquisition requirement, the data items required to be acquired are flexibly selected, the traditional complex situation that all data of the equipment are acquired is avoided by the mode, only necessary data are acquired, the complexity of data processing is reduced, the acquisition working efficiency is improved, data redundancy is avoided, in addition, the change data is acquired from the changed server record, the data acquisition mode is completed, the traditional situation that the data are required to be acquired from a change database is avoided, and the traditional change data acquisition is as follows: whether data of corresponding data items in the database change successively or not is judged, and when the data of corresponding data items change successively, the data items are recorded and registered, and the data information of the changed data items is acquired in the server record, so that the database is prevented from being accessed for many times, and the working efficiency of data acquisition is improved.
Further, the data item includes variable names of control programs of the devices, each device possesses an independent control program, and the variable name of each control program corresponds to a specific operation of the device. The variable name of the control program of the equipment needing to be acquired is determined according to the requirement, and the current production execution condition of the equipment can be observed in real time through the acquired variable name.
Further, the method divides the warehouse into more than one stereoscopic warehouse, each stereoscopic warehouse distributes more than one warehouse location, associates the control command and the warehouse location information in the production process of the product, synchronizes the control command and the warehouse location information in real time, and realizes the management of the warehouse. The control instruction or action in the production process of the product is associated with the inventory information, when the control instruction related to warehouse entry and warehouse exit occurs, the inventory information is synchronously modified, and the management of inventory is realized, specifically, when the control instruction or action comprises the warehouse entry action of a warehouse, the warehouse entry control instruction or action is executed, and then the warehouse entry record of the executed action is contained in the inventory information; when the control command or action summary includes the warehouse-out action, the warehouse-out control command or action is executed, and the warehouse information center has a warehouse-out record of the executed action.
The method comprises the steps of firstly carrying out data mapping on equipment participating in production control and a background control center, realizing connection between the background control center and the equipment by establishing a special interface and packaging a dynamic link library file of the equipment in the interface, formulating a production process flow of a product aiming at different products, and binding the production process flow with the equipment, so that the product can call associated equipment to execute production operation in the execution process according to the production process flow; in addition, the production process flow of the product is subdivided, and the subdivision specifically comprises the following steps: the production process flow is subdivided into a plurality of process paths, each process path is sequenced and is subdivided into production steps, each production step corresponds to a specific control instruction, the control instruction for product production is bound with equipment to realize the control of the production process of the product, and the bound equipment is driven by the control instruction to complete corresponding production operation in each production step.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic diagram of a variable name modification process in the control program of the present invention.
FIG. 3 is a schematic diagram of the production process flow and the corresponding process path of the present invention.
Fig. 4 is a schematic diagram of a control program of the apparatus of the present invention and a corresponding processing program file.
FIG. 5 is a schematic representation of the product production after scheduling of the present invention.
FIG. 6 is a schematic illustration of the process control of the present invention.
FIG. 7 is a flow chart of the production process control of the present invention.
FIG. 8 is a flow chart of the device data collection of the present invention.
Fig. 9 is a schematic diagram illustrating the establishment of the number of entrances and exits.
FIG. 10 is a schematic diagram of the library sites and process path flow bindings of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-10, the method for constructing an architecture for automated production control implemented by the present invention mainly maps equipment participating in production control and production process flows of products into a database of a background control center, the background control center binds the production process flows with the equipment, and after establishing connection between the background control center and the equipment, the background control center calls associated equipment to implement production control of the products in a production control process according to the production process flows of the products, and control of the equipment can be implemented by modifying variables of control programs of the equipment mapped in the database, thereby implementing an automated execution process of the whole process. According to the method, all links of product production are associated and integrated to form an integral framework for product production control, and automatic production of products can be realized according to the framework.
Specifically, referring to fig. 1-10, the method of the present invention comprises the following steps:
s1: establishing mapping of a physical space and an information space between equipment information participating in production control and a database of a background control center, and storing a control program and the equipment information of each equipment in a database in a partitioning manner; the process models the equipment, maps the equipment information into a database of a background control center, is convenient for counting the equipment and is also convenient for binding the equipment with a specific production process flow;
s2: formulating a production process flow of the product according to the production requirement of the product, and archiving the production process flow; the step formulates different production process flows aiming at different products, so that the formulation of the production process flows of different products can be flexibly realized, and the mode of archiving the production process flows of the products is convenient for editing and modifying the production process flows.
S3: the production process flows of the same process path are numbered identically so as to carry out uniform scheduling; when the process paths in the production process flows of different products are the same, the production process flows can be executed simultaneously.
S4: a production scheduling plan is made according to the process paths under each production process flow, so that the condition that equipment is occupied when the production process flows with the same process paths are executed at the same time is avoided;
s5: binding the production process flow of the product with the equipment information in the database;
s6: establishing a special equipment interface, packaging a dynamic link library file of the equipment and the equipment interface, and establishing the connection between the equipment and a control center through the equipment interface so as to realize the connection between a computer of the control center and the equipment; the method can lead the dynamic link library file of the equipment participating in production control into a computer or a server for storage in advance, and the computer or the server directly reads the dynamic link library file of the equipment and packages the dynamic link library file with an equipment interface, so that the computer is connected with the equipment through the equipment interface in project engineering; the dynamic link library file of the equipment comprises an interface for connecting a control program of the equipment, and the interface realizes the editing of variable information of the control program of the equipment;
s7: and the background control center analyzes the archived file, and invokes equipment associated with each production process flow to execute production operation according to the production process flow of the product.
The data mapping established between the equipment and the database of the background control center is specifically as follows: the background control center establishes network connection with the equipment to acquire equipment information and a control program of the equipment; mapping the equipment information and the control program of the equipment into a database; registering and registering a control program of the equipment, and classifying and storing the control program; the database establishes a classification index according to the equipment information and associates the equipment information with a control program of the equipment; the background control center displays the associated equipment information and the control program of the equipment in a visual interface of the computer; and editing the variable names in the control program of the equipment through a visual interface of the computer, thereby realizing the control of the operation executed by the equipment.
The production process is characterized by comprising the following specific steps: determining a production process path according to the product, adding a process path name, and numbering the process path name; determining a bill of materials of each path according to each process path, and binding the process path of the product with the bill of materials; aiming at each process path, determining a control program of equipment for product production, and realizing the binding of the process path and the control program of the equipment; aiming at each device participating in production control, determining a processing program file of a control program of the device, and binding the control program with the processing program file; determining the name, warehousing information and ex-warehouse information of the production steps, and numbering the production steps; selecting corresponding production steps according to the process paths to enable each process path to form a complete production flow; the production process flow of the product is constructed in a visual interface of a computer and is filed, so that the production process flow can be conveniently called by a background control center in the production process.
The specific calling of the production process flow is as follows: acquiring a production plan of each order and a number corresponding to the production plan; extracting a process path and a production step of each order in the production process in the production plan; uniformly scheduling the production plans with the same numbers to enable the production plans to execute production according to corresponding process paths and production flows; in the process of scheduling production execution, scheduling equipment associated with each production flow, and executing production operation by the equipment under the control of the bound control program to complete the production of each order; and in the process of controlling the equipment to execute production operation by the control program, realizing real-time change of variable information of the control program according to the processing program file bound by the control program, and further ensuring that each equipment finishes the specified production flow. Wherein the same process paths and production plan numbers for the production steps are set to be the same.
The computer is connected with the equipment specifically as follows: creating an equipment interface class, wherein a method for executing a command and a method for uploading a program file are declared in the equipment interface class; the method comprises the steps of realizing an equipment interface class, classifying the equipment interface class according to the type of a control program of the equipment, respectively establishing the equipment interface class realization class, and realizing a method for executing a command and a method for uploading a program file which are declared in the equipment interface class, wherein dynamic link library files of the equipment are packaged in the method for executing the command and the method for uploading the program file; and the device is connected, the implementation class examples are respectively created according to the type of the control program of the device, and the execution command method and the program file uploading method which are implemented in the implementation class are called to complete the connection of the computer and different devices.
Referring to fig. 7, in step S5, the production process flow is subdivided into a plurality of process paths, the process paths are sequentially ordered according to the production order, each process path corresponds to a plurality of production steps, each production step is subdivided into specific control instructions, and each control instruction is associated with a device. Subdividing the production process flow into the minimum execution unit in the production and processing process: the control instructions subdivide the production steps in each production process into sets of the control instructions, and then sequence and link a plurality of control instructions to form the whole production flow of the product, so that the product can be sequentially executed according to the control instructions in the production process, the whole production process flow is connected in series, equipment can complete the production operation of the production steps according to the control instructions, and the execution of the whole production flow is further realized.
Referring to fig. 8, the method determines a data item to be acquired according to actual requirements, acquires a corresponding data item from a change server record in the process of data change of the device, and finishes acquisition of device information. When the value of the variable name of the control program of the equipment is changed, a change record is added in the corresponding server, and the change record in the corresponding server is traversed aiming at the variable name to be collected to obtain the change value corresponding to the variable name. According to the data acquisition requirement, the data items required to be acquired are flexibly selected, the traditional complex situation that all data of the equipment are acquired is avoided by the mode, only necessary data are acquired, the complexity of data processing is reduced, the acquisition working efficiency is improved, data redundancy is avoided, in addition, the change data is acquired from the changed server record, the data acquisition mode is completed, the traditional situation that the data are required to be acquired from a change database is avoided, and the traditional change data acquisition is as follows: whether data of corresponding data items in the database change successively or not is judged, and when the data of corresponding data items change successively, the data items are recorded and registered, and the data information of the changed data items is acquired in the server record, so that the database is prevented from being accessed for many times, and the working efficiency of data acquisition is improved.
Referring to fig. 2, further, the data item includes variable names of control programs of the devices, each device possesses an independent control program, and the variable name of each control program corresponds to a specific operation of the device. The variable name of the control program of the equipment needing to be acquired is determined according to the requirement, and the current production execution condition of the equipment can be observed in real time through the acquired variable name.
The method divides the warehouse into more than one stereoscopic warehouse, each stereoscopic warehouse distributes more than one warehouse location, associates the control command and the warehouse location information in the production process of the product, synchronizes the control command and the warehouse location information in real time, and realizes the management of the warehouse. The control instruction or action in the production process of the product is associated with the inventory information, when the control instruction related to warehouse entry and warehouse exit occurs, the inventory information is synchronously modified, and the management of inventory is realized, specifically, when the control instruction or action comprises the warehouse entry action of a warehouse, the warehouse entry control instruction or action is executed, and then the warehouse entry record of the executed action is contained in the inventory information; when the control command or action summary includes the warehouse-out action, the warehouse-out control command or action is executed, and the warehouse information center has a warehouse-out record of the executed action.
The inventory management specifically comprises the following steps: counting warehouse information, dividing a warehouse into more than one stereoscopic warehouse, and distributing warehouse positions for each stereoscopic warehouse; binding the process path flow of the production process of the product with each stereoscopic warehouse and the warehouse location thereof; after each process path flow is bound with the library position, associating the control instruction of each process path for entering and exiting the library with the library position information; and in the process of executing production control, synchronously modifying the library bit information according to a control instruction in the production process of the product.
Referring to fig. 9 and 10, in the present embodiment, the specific steps of synchronizing the production process control command with the number of in and out warehouses include: in the process of executing production control, calling an in-out and in-out quantity setting window, setting the total quantity of the in-out and in-out material pieces, the quantity of material discs contained in each stack and the quantity of material pieces in each material disc, and automatically calculating the number of material disc stacks by the system. And writing back corresponding library position information in the library position table according to the process path flow ID associated with the production control action in the warehouse, wherein the process path flow ID specifically comprises dispatching assignment detail process path flow ID, material tray number and material piece number.
In a word, the invention firstly maps data of the equipment participating in production control with the background control center, realizes the connection between the background control center and the equipment by establishing a special interface and packaging a dynamic link library file of the equipment in the interface, establishes the production process flow of products aiming at different products and binds the production process flow with the equipment, so that the products can call the associated equipment to execute production operation in the execution process according to the production process flow; in addition, the production process flow of the product is subdivided, and the subdivision specifically comprises the following steps: the production process flow is subdivided into a plurality of process paths, each process path is sequenced and is subdivided into production steps, each production step corresponds to a specific control instruction, the control instruction for product production is bound with equipment to realize the control of the production process of the product, and the bound equipment is driven by the control instruction to complete corresponding production operation in each production step.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A method for constructing an automatic production control architecture is characterized in that equipment participating in production control and production process flows of products are mapped into a database of a background control center, the background control center binds the production process flows with the equipment, after connection between the background control center and the equipment is established, the background control center calls related equipment to realize production control of the products according to the production process flows of the products.
2. The method for building the architecture of automated production control according to claim 1, wherein the specific steps of building the architecture are as follows:
s1: establishing mapping of a physical space and an information space between equipment information participating in production control and a database of a background control center, and storing a control program and the equipment information of each equipment in a database in a partitioning manner;
s2: formulating a production process flow of the product according to the production requirement of the product, and archiving the production process flow;
s3: the production process flows of the same process path are numbered identically so as to carry out uniform scheduling;
s4: a production scheduling plan is made according to the process paths under each production process flow, so that the condition that equipment is occupied when the production process flows with the same process paths are executed at the same time is avoided;
s5: binding the production process flow of the product with the equipment information in the database;
s6: establishing a special equipment interface, packaging a dynamic link library file of the equipment and the equipment interface, and establishing the connection between the equipment and a control center through the equipment interface so as to realize the connection between a computer of the control center and the equipment;
s7: and the background control center analyzes the archived file, and invokes equipment associated with each production process flow to execute production operation according to the production process flow of the product.
3. The method for constructing an architecture for automated production control according to claim 2, wherein in step S5, the production process flow is subdivided into a plurality of process paths, the plurality of process paths are sequentially ordered according to the production order, each process path corresponds to a plurality of production steps, each production step is subdivided into specific control commands, and each control command is associated with a device.
4. The method according to claim 3, wherein the method determines the data items to be collected according to actual requirements, and acquires the corresponding data items from the change server record in the process of data change of the equipment to complete the collection of the equipment information.
5. The method of claim 4, wherein the data items include variable names of control programs of the devices, each device has an independent control program, and the variable name of each control program corresponds to a specific operation of the device.
6. The method according to claim 5, wherein the method divides the warehouse into more than one stereoscopic warehouse, each stereoscopic warehouse allocates more than one warehouse location, associates the control command with the warehouse location information in the production process of the product, synchronizes the control command with the inventory information in real time, and manages the inventory.
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| CN114553703A (en) * | 2022-04-24 | 2022-05-27 | 佛山技研智联科技有限公司 | Deployment method, device, equipment and storage medium of industrial equipment control strategy |
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| WO2024092921A1 (en) * | 2022-11-04 | 2024-05-10 | 北京镁伽机器人科技有限公司 | Test process analysis method and apparatus, electronic device, and storage medium |
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