CN111754085A - Method for scheduling production plan - Google Patents
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- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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Abstract
The invention relates to a method for scheduling production plans, which is used for numbering the production plans of various orders, setting the numbers of the same production plans to be the same, and uniformly scheduling the production plans with the same numbers so as to execute the orders with the same production plans at the same time. When a plurality of orders are received, the production plan of each order is designed and numbered, when the produced products are the same and the delivery dates of the orders are close, the orders can be subjected to the production processing of the same batch, and the method improves the execution efficiency of the production plan of each order by carrying out the production processing on the production plans needing the same production processing by the same number and the same number at the same time.
Description
Technical Field
The invention belongs to the technical field of industrial production control, and particularly relates to a method for scheduling a production plan.
Background
Production planning and scheduling are always the core content of enterprise production management optimization. With the development of the society and the change of market demands, the order-oriented production of various products and small batches becomes the main production mode of most machining enterprises, the dynamic property and the uncertainty of a production system are greatly improved, and the difficulty of production planning and scheduling is further increased. In the prior art, production planning and scheduling are performed in a hierarchical manner, that is, a planning layer gives a plan, and a scheduling layer performs production scheduling according to the plan. In order to meet scheduling constraints or possible random variations, a production plan needs to include a certain capacity buffer or lead buffer, and optimization of a manufacturing process is difficult to realize; once abnormal events such as order change, machine failure, material transaction and the like occur, the production plan cannot be corrected in time. The integrated integration of production planning and scheduling is one of the main approaches to solving the above problems.
In the Chinese invention patent with the publication number of 'CN 108009739A' and the name of 'an intelligent machining workshop production planning and scheduling integrated method', an intelligent machining workshop production planning and scheduling integrated method is disclosed, and belongs to the field of automation technology application. The method comprises the following steps of modeling a system; preparing data; preparing an order; production planning and scheduling; virtual machining; dynamic monitoring; dynamic scheduling; scheduling changes; and (4) optimizing rolling. The production planning and scheduling integrated under the support of an intelligent workshop network physical system realizes the closed loop of 'production planning-production scheduling-production state information' in a workshop dynamic environment, and solves the problems that the existing production planning and scheduling method is difficult to respond to environmental (market) changes and various dynamic events in a workshop field in time.
In the above patent, the problem that the existing production plan and scheduling method is difficult to respond to environmental (market) changes and various dynamic events in a workshop field in time is solved through "production plan-production scheduling-production state information", but the scheduling of the production plan in this way still has an efficiency problem, and how to reasonably schedule the production plan to improve the execution efficiency of the production plan is a technical problem which needs to be solved urgently in the production process at present.
Disclosure of Invention
In order to solve the above problems, a primary object of the present invention is to provide a method for scheduling production plans, in which production plans of respective orders are numbered, numbers of the same production plans are set to be the same, and the production plans of the same numbers are scheduled in a unified manner, thereby improving execution efficiency of the production plans.
Another objective of the present invention is to provide a method for scheduling a production plan, which binds a production plan with production equipment, and after the production plan is scheduled, the associated equipment is scheduled to perform production operations.
In order to achieve the above object, the technical solution of the present invention is as follows.
A method for scheduling production plans is characterized in that the method numbers production plans of orders, sets the numbers of the same production plans to be the same, and performs unified scheduling on the production plans with the same numbers so as to execute the orders with the same production plans at the same time. When a plurality of orders are received, the production plan of each order is designed and numbered, when the produced products are the same and the delivery dates of the orders are close, the orders can be subjected to the production processing of the same batch, and the method improves the execution efficiency of the production plan of each order by carrying out the production processing on the production plans needing the same production processing by the same number and the same number at the same time.
Further, the scheduling process of the production plan is as follows:
s21: acquiring a production plan of each order and a number corresponding to the production plan;
s22: extracting a process path and a production flow of each order in the production process in the production plan;
s23: 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;
s24: 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;
s25: 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. The method has the advantages that the process paths and the production flows of the production plans are obtained, and the associated equipment is called to complete the production of the orders, so that the production plans are more smoothly scheduled, the execution efficiency is higher, and meanwhile, the production accuracy in the scheduling process is ensured according to the pre-designed production flows and the equipment which is well bound with the production flows in the scheduling process.
Further, the process of making the production plan is specifically as follows:
s31: acquiring a bill of materials of each order according to development data of the order, and making a production process path of each product according to the bill of materials;
s32: the production flow of each product is formulated according to the process path of each product, and the production flow is bound with the control program of the equipment;
s33: making a production plan of each order according to the control program of each production flow and the associated equipment;
s34: the production plans of the orders are numbered, and the numbers of the production plans of the same production flow are set to be the same. Through the binding of the process path and the production flow of the production process and the equipment participating in the production control in the production flow in each production plan, the comprehensive and accurate production control is provided for the production and execution of products, and when the production plan is scheduled, the production of each order can be accurately and efficiently completed according to the production flow planned in each production plan. The production plan is stored in a database of the background control center after being formulated, and is displayed in a visual interface of the computer, so that the subsequent scheduling of the production plan in the computer is facilitated.
And further, configuring a processing program file for the equipment according to the production flow, and enabling a control program of the equipment to execute processing operation according to the processing program file in the process of scheduling the production plan.
Further, the machining program file includes a change instruction of the variable name in the control program. The processing program file contains the operating instructions of the equipment in the processing process of the equipment, and the control program of the equipment completes the production and processing operation according to the processing program file.
Further, in the step S25, in the process of scheduling the production plan, the associated device is called to implement execution of the production plan according to the process path and the corresponding production flow.
Further, the end of the production flow is determined by the control program of the corresponding device, and in the process of scheduling the production plan, when the variable name of the control program meets the condition, the production flow is finished and executed. And when the variable name meets the flow ending condition, ending the flow execution, and acquiring a flow ending value corresponding to the variable name from the processing program file by the control program.
The production process path and the production flow of the product in each order are obtained by obtaining and analyzing the production plan in the process of scheduling the production plan, the equipment which needs to participate in control in the process of executing the flow is obtained, and after the production plan is scheduled, the production of the product is executed according to the process flow and the production flow of the product order strictly.
Drawings
FIG. 1 is a flow chart of scheduling production plans of the present invention.
FIG. 2 is a flow chart of the production planning 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.
In order to achieve the above object, the technical solution of the present invention is as follows.
Referring to fig. 1-2, a method of scheduling production plans numbers production plans for respective orders and sets the numbers of the same production plans to be the same, uniformly schedules the production plans of the same numbers to perform simultaneous execution of the orders of the same production plans. When a plurality of orders are received, the production plan of each order is designed and numbered, when the produced products are the same and the delivery dates of the orders are close, the orders can be subjected to the production processing of the same batch, and the method improves the execution efficiency of the production plan of each order by carrying out the production processing on the production plans needing the same production processing by the same number and the same number at the same time.
Referring to fig. 1, in this embodiment, the scheduling process of the production plan is as follows:
s21: acquiring a production plan of each order and a number corresponding to the production plan;
s22: extracting a process path and a production flow of each order in the production process in the production plan;
s23: 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;
s24: 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;
s25: 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. The method has the advantages that the process paths and the production flows of the production plans are obtained, and the associated equipment is called to complete the production of the orders, so that the production plans are more smoothly scheduled, the execution efficiency is higher, and meanwhile, the production accuracy in the scheduling process is ensured according to the pre-designed production flows and the equipment which is well bound with the production flows in the scheduling process.
Referring to fig. 2, in this embodiment, the process of making the production plan specifically includes the following steps:
s31: acquiring a bill of materials of each order according to development data of the order, and making a production process path of each product according to the bill of materials;
s32: the production flow of each product is formulated according to the process path of each product, and the production flow is bound with the control program of the equipment;
s33: making a production plan of each order according to the control program of each production flow and the associated equipment;
s34: the production plans of the orders are numbered, and the numbers of the production plans of the same production flow are set to be the same. Through the binding of the process path and the production flow of the production process and the equipment participating in the production control in the production flow in each production plan, the comprehensive and accurate production control is provided for the production and execution of products, and when the production plan is scheduled, the production of each order can be accurately and efficiently completed according to the production flow planned in each production plan.
In this embodiment, a machining program file is configured for the equipment according to the production flow, and in scheduling the production plan, the control program of the equipment is caused to execute the machining operation according to the machining program file.
In this embodiment, the machining program file includes a change instruction of the variable name in the control program. The processing program file contains the operating instructions of the equipment in the processing process of the equipment, and the control program of the equipment completes the production and processing operation according to the processing program file.
In this embodiment, in the step S25, in the process of scheduling the production plan, the associated equipment is called to implement the execution of the production plan according to the process path and the corresponding production flow.
In this embodiment, the end of the production flow is determined by the control program of the corresponding device, and in the scheduling production plan process, when the variable name of the control program satisfies the condition, the production flow is finished. And when the variable name meets the flow ending condition, ending the flow execution, and acquiring a flow ending value corresponding to the variable name from the processing program file by the control program.
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 (7)
1. A method for scheduling production plans is characterized in that the method numbers production plans of orders, sets the numbers of the same production plans to be the same, and performs unified scheduling on the production plans with the same numbers so as to execute the orders with the same production plans at the same time.
2. The method of scheduling a production plan of claim 1, wherein the scheduling of the production plan is as follows:
s21: acquiring a production plan of each order and a number corresponding to the production plan;
s22: extracting a process path and a production flow of each order in the production process in the production plan;
s23: 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;
s24: 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;
s25: 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.
3. The method for scheduling a production plan according to claim 2, wherein the production plan is formulated as follows:
s31: acquiring a bill of materials of each order according to development data of the order, and making a production process path of each product according to the bill of materials;
s32: the production flow of each product is formulated according to the process path of each product, and the production flow is bound with the control program of the equipment;
s33: making a production plan of each order according to the control program of each production flow and the associated equipment;
s34: the production plans of the orders are numbered, and the numbers of the production plans of the same production flow are set to be the same.
4. A method of scheduling a production plan as claimed in claim 3, wherein the facility is provided with a processing program file on the basis of the production flow, and the control program of the facility is caused to perform the processing operation in accordance with the processing program file in scheduling the production plan.
5. The method of scheduling a production plan according to claim 4, wherein the machining program file contains a change instruction of a variable name in the control program.
6. The method for scheduling a production plan as claimed in claim 3, wherein in the step S25, in the scheduling the production plan, the associated equipment is called to implement the execution of the production plan according to the process path and the corresponding production flow.
7. The method of scheduling a production plan according to claim 6, wherein the end of the production flow is determined by a control program of the corresponding equipment, and the production flow is ended when a variable name of the control program satisfies a condition during the scheduling of the production plan.
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| CN202010495934.2A CN111754085B (en) | 2020-06-03 | 2020-06-03 | Method for scheduling production plan |
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| CN102682353A (en) * | 2011-03-16 | 2012-09-19 | 西门子（中国）有限公司 | Method and system for scheduling production of small-scale steel mill |
| CN104461747A (en) * | 2014-12-31 | 2015-03-25 | 合一网络技术(北京)有限公司 | Distributed type task scheduling system |
| US20160091320A1 (en) * | 2014-09-30 | 2016-03-31 | General Electric Company | System and method for displaying planned speed values |
| CN106022620A (en) * | 2016-05-25 | 2016-10-12 | 东莞晶苑毛织制衣有限公司 | Production plan making method and system |
| US20180121507A1 (en) * | 2016-10-27 | 2018-05-03 | International Business Machines Corporation | Generation of query execution plans |
| CN109460931A (en) * | 2018-11-15 | 2019-03-12 | 广州市酷匠信息科技有限公司 | A kind of board-like have furniture made to order based on MES rubs single production algorithm |
| CN111126748A (en) * | 2019-10-30 | 2020-05-08 | 江山雷钧智能制造技术有限公司 | Dynamic production plan scheduling method for discrete manufacturing industry |
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- 2020-06-03 CN CN202010495934.2A patent/CN111754085B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682353A (en) * | 2011-03-16 | 2012-09-19 | 西门子（中国）有限公司 | Method and system for scheduling production of small-scale steel mill |
| US20160091320A1 (en) * | 2014-09-30 | 2016-03-31 | General Electric Company | System and method for displaying planned speed values |
| CN104461747A (en) * | 2014-12-31 | 2015-03-25 | 合一网络技术(北京)有限公司 | Distributed type task scheduling system |
| CN106022620A (en) * | 2016-05-25 | 2016-10-12 | 东莞晶苑毛织制衣有限公司 | Production plan making method and system |
| US20180121507A1 (en) * | 2016-10-27 | 2018-05-03 | International Business Machines Corporation | Generation of query execution plans |
| CN109460931A (en) * | 2018-11-15 | 2019-03-12 | 广州市酷匠信息科技有限公司 | A kind of board-like have furniture made to order based on MES rubs single production algorithm |
| CN111126748A (en) * | 2019-10-30 | 2020-05-08 | 江山雷钧智能制造技术有限公司 | Dynamic production plan scheduling method for discrete manufacturing industry |
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