CN117522057A - Scheduling method - Google Patents
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- CN117522057A CN117522057A CN202311559652.4A CN202311559652A CN117522057A CN 117522057 A CN117522057 A CN 117522057A CN 202311559652 A CN202311559652 A CN 202311559652A CN 117522057 A CN117522057 A CN 117522057A
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Abstract
A scheduling method belongs to the technical field of industrial information and is used for solving the problem of waste of residual capacity on a production site, and comprises the steps of acquiring order data and classifying acquired orders; determining the stage of the order; and (5) carrying out scheduling by adopting a prediction algorithm according to the set scheduling rules. According to the technical scheme, the order scheduling efficiency and the utilization rate of the production site or the saturation of the capacity of the production site are improved, the residual capacity can be effectively utilized, and the advanced production is realized.
Description
Technical Field
The invention relates to the technical field of industrial information, in particular to a scheduling method.
Background
In conventional factory production scheduling, a static scheduling plan is generally adopted, and the scheduling is based on historical data and experience, so that accurate prediction for future demand change is lacking, and over-production occurs in the production process or the customer demand cannot be met. The static scheduling method is fragile in dealing with market fluctuation and customer order change, and causes resource waste and inefficient utilization of productivity.
Disclosure of Invention
In view of the above problem that static production cannot be adapted to future production variability, it is necessary to propose a production scheduling method that achieves effective utilization of the remaining capacity, improves production efficiency, and reduces production split costs.
A method for scheduling production, comprising the steps of,
acquiring order data, and classifying the acquired orders;
determining the stage of the order;
and (5) carrying out scheduling by adopting a prediction algorithm according to the set scheduling rules.
Further, in the step of acquiring order data and classifying the acquired order, the order includes an intention order and a sales order; the intention order is a possible order predicted by historical production data and market demand trend; the sales order is an order which is signed by a customer and can be practically arranged for production; by sorting orders, a first sorting and grading of orders is achieved, such that sales orders are prioritized.
Further, in the step of determining the stage of the order, the intention order is in the intention stage of the order; before delivery, the sales order is in a sales stage, after delivery, the sales order is in a preparation stage, after warehouse entry, the sales order is in a warehouse stage, and the relevant party can conveniently and rapidly obtain the current state of the order by identifying the stage of the order, so that the monitoring of the order progress is facilitated.
Further, the specific content of the scheduling rules comprises,
according to the production scheduling of the latest start date, the latest start date=the product delivery period-the warehouse entry advance period-the working procedure period, the more recent the latest start date is, the more urgent the production task is, the production scheduling should be preferentially obtained;
the production is carried out according to the similarity of the products, and the same products are produced on the same day, so that the production efficiency can be improved;
according to the sharing scheduling of the tool and the appliance, products produced by the same equipment are scheduled to the same day, so that the equipment replacement rate is reduced, and the production efficiency is improved;
judging whether the current stock materials meet the production requirement according to the material nesting scheduling, and arranging the materials backwards without meeting the production requirement, and meeting the priority scheduling;
judging whether the current product is complete in data according to the complete scheduling of engineering data, and the complete priority scheduling.
When the order is scheduled, the latest start date is considered, the similarity of products or the commonality of tools are considered, the order which is required to be scheduled in the current month is selected through application of various scheduling rules, and a scheduling plan in the current month is formed after summarization, so that the optimization of the scheduling is realized. In addition, the alternative relation among the scheduling rules can be arranged into the current month scheduling plan as long as any one rule is met; if the current order does not meet any scheduling rule, the order is not discharged into the current monthly scheduling plan.
Still further, the predictive algorithm is used to predict the intended order, including,
calculating the average number of each product produced per month by month;
calculating the number of products to be produced, which are actually scheduled in the planned month;
predicting the number of products that each product can also produce = the average number of products produced per month-the number of products to be produced per product that the planned month has actually already scheduled;
analyzing the demand quantity of each product of each customer in each month;
presuming possible intention orders of the intention clients according to the client demands and the quantity of products which can be produced on the production site;
the intent order is listed in a scheduling plan.
The technical scheme can also realize the production scheduling of the residual capacity, and the specific implementation process is as follows:
dividing orders in a scheduling plan into specific months;
calculating the monthly productivity according to the scheduling condition of the production calendar;
calculating the standard productivity of the month personnel, wherein the standard productivity of the month personnel=station standard productivity of the month personnel;
calculating a standard productivity of the lunar device, wherein the standard productivity of the lunar device=standard productivity of the station × productivity coefficient × process equipment starting rate (1-equipment failure rate);
calculating the current month of production capacity, wherein the current month of production capacity is a production task with the planned production time in the current month and the order in the production stage;
calculating the remaining allowable production capacity of each process in the month, wherein the remaining allowable production capacity of each process in the month= (sum of factory calendar scheduling man hour, sum of personnel standard capacity and factory calendar scheduling man hour, sum of equipment standard capacity) -the production capacity of the process in the month;
and the intention orders are scheduled according to the scheduling rules, so that the effective utilization of the capacity of the production site is realized, and the production efficiency of unit time is improved.
The technical scheme of the invention has the beneficial effects that: the efficiency of order scheduling and the utilization rate of the capacity of the production site or the saturation of the capacity of the production site are improved, the residual capacity can be effectively utilized, the advanced production is realized, and the pressure of the emergency order on the production is reduced.
Drawings
FIG. 1 is a schematic flow chart of a sheet metal part production scheduling method.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, it is obvious that the following description is a few exemplary embodiments of the present invention, and other solutions can be obtained according to these embodiments without inventive effort for a person skilled in the art.
The specific implementation of the technical scheme of the invention is described by taking the production of sheet metal parts as an example.
A method for scheduling production, comprising the steps of,
acquiring order data, and classifying the acquired orders;
determining the stage of the order;
and (5) carrying out scheduling by adopting a prediction algorithm according to the set scheduling rules.
As shown in fig. 1, the specific contents of the scheduling method include,
1) Acquiring order data, and classifying the acquired orders;
specifically, in the step of acquiring order data and classifying acquired orders, the orders include an intention order and a sales order; the intention order is a possible order predicted by historical production data and market demand trend; the sales order is an order which is signed by a customer and can be practically arranged for production; by sorting orders, a first sorting and grading of orders is achieved, such that sales orders are prioritized.
2) Determining the stage of the order;
specifically, in the step of determining the stage of the order, the intention order is in the intention stage of the order; before delivery, the sales order is in a sales stage, after delivery, the sales order is in a preparation stage, after warehouse entry, the sales order is in a warehouse stage, and the relevant party can conveniently and rapidly obtain the current state of the order by identifying the stage of the order, so that the monitoring of the order progress is facilitated.
3) A set scheduling rule;
when order scheduling is performed, firstly, the latest start date is considered, then the similarity of products or the commonality of tools and tools are considered, and the optimization of scheduling is realized through the application of various scheduling rules; in particular, the method comprises the steps of,
according to the production scheduling of the latest start date, the latest start date=the product delivery period-the warehouse entry advance period-the working procedure period, the more recent the latest start date is, the more urgent the production task is, the production scheduling should be preferentially obtained;
the production is carried out according to the similarity of the products, and the same products are produced on the same day, so that the production efficiency can be improved;
according to the sharing scheduling of the tool and the appliance, products produced by the same equipment are scheduled to the same day, so that the equipment replacement rate is reduced, and the production efficiency is improved;
judging whether the current stock materials meet the production requirement according to the material nesting scheduling, and arranging the materials backwards without meeting the production requirement, and meeting the priority scheduling;
judging whether the current product is complete in data according to the complete scheduling of engineering data, and the complete priority scheduling.
4) Calculating the remaining capacity of the current month;
in particular, the method comprises the steps of,
dividing orders in a scheduling plan into specific months;
calculating the monthly productivity according to the scheduling condition of the production calendar;
calculating the standard productivity of the month personnel, wherein the standard productivity of the month personnel=station standard productivity of the month personnel;
calculating a standard productivity of the lunar device, wherein the standard productivity of the lunar device=standard productivity of the station × productivity coefficient × process equipment starting rate (1-equipment failure rate);
calculating the current month of production capacity, wherein the current month of production capacity is a production task with the planned production time in the current month and the order in the production stage;
and calculating the remaining allowable production capacity of each process in the month, wherein the remaining allowable production capacity of each process in the month= (sum of factory calendar scheduling man hour, personnel standard production capacity and factory calendar scheduling man hour sum, equipment standard production capacity) -the production capacity of the process in the month.
Through the calculation of the residual capacity, the capacity utilization condition of the production site can be effectively known, the residual capacity is reduced as much as possible, and the capacity utilization rate of the production site is improved.
5) Predicting an intent order;
in particular, the method comprises the steps of,
calculating the average number of each product produced per month by month;
calculating the number of products to be produced, which are actually scheduled in the planned month;
predicting the number of products that each product can also produce = the average number of products produced per month-the number of products to be produced per product that the planned month has actually already scheduled;
analyzing the demand quantity of each product of each customer in each month;
presuming possible intention orders of the intention clients according to the client demands and the quantity of products which can be produced on the production site;
the intent order is listed in a scheduling plan.
6) Summarizing orders meeting the scheduling rules to form a current month scheduling plan, and removing orders not meeting the scheduling rules from the current month scheduling plan;
7) Submitting the current month scheduling plan for auditing;
8) And scheduling all orders (including sales orders and intention orders) in the scheduling plan according to the audit opinion and the scheduling rules.
By arranging the predicted intent order in the remaining capacity, efficient utilization of the remaining capacity is achieved; meanwhile, the predicted intention orders are produced in advance, so that the priority production is provided for customers, and the pressure of possible emergency orders on production is reduced.
The above embodiment is only a description of a typical application of the technical scheme of the present invention, and can be reasonably expanded on the basis of reasonable design and no need of creative labor.
Claims (8)
1. A scheduling method is characterized by comprising the following steps of,
acquiring order data, and classifying the acquired orders;
determining the stage of the order;
and (5) carrying out scheduling by adopting a prediction algorithm according to the set scheduling rules.
2. The scheduling method of claim 1, wherein in the steps of acquiring order data and classifying the acquired order, the order includes an intention order and a sales order; the intention order is a possible order predicted by historical production data and market demand trend; the sales order is an order for realistic scheduling production placed with a customer.
3. The scheduling method of claim 2, wherein in the step of determining the stage of the order, the intentional order is in an intentional stage of the order; before delivery, the sales order is in a sales stage, after delivery, the sales order is in a manufacturing stage, and after warehousing, the sales order is in a warehouse stage.
4. The method for scheduling according to claim 3, wherein the specific contents of the scheduling rules include,
according to the production scheduling of the latest start date, the latest start date=the product delivery period-the warehouse entry advance period-the working procedure period, the more recent the latest start date is, the more urgent the production task is, the production scheduling should be preferentially obtained;
or, according to the product similarity scheduling, the same products are scheduled to the same day, so that the production efficiency can be improved;
or products produced by the same equipment are produced on the same day according to the sharing production of the tool, so that the equipment replacement rate is reduced, and the production efficiency is improved;
or judging whether the current stock materials meet the production requirement according to the material nesting scheduling, and arranging backwards which is not met, and meeting the priority scheduling;
or judging whether the data of the current product is complete or not according to the complete scheduling of the engineering data, and the complete priority scheduling.
5. The scheduling method of claim 4, wherein the predictive algorithm predicts the intended order by including,
calculating the average number of each product produced per month by month;
calculating the number of products to be produced, which are actually scheduled in the planned month;
predicting the number of products that each product can also produce = the average number of products produced per month-the number of products to be produced per product that the planned month has actually already scheduled;
analyzing the demand quantity of each product of each customer in each month;
presuming possible intention orders of the intention clients according to the client demands and the quantity of products which can be produced on the production site;
the intent order is listed in a scheduling plan.
6. The method for producing a plant according to claim 5, further comprising producing the remaining capacity by,
dividing orders in a scheduling plan into specific months;
calculating the monthly productivity according to the scheduling condition of the production calendar;
calculating the standard productivity of the month personnel, wherein the standard productivity of the month personnel=station standard productivity of the month personnel;
calculating a standard productivity of the lunar device, wherein the standard productivity of the lunar device=standard productivity of the station × productivity coefficient × process equipment starting rate (1-equipment failure rate);
calculating the current month of production capacity, wherein the current month of production capacity is a production task with the planned production time in the current month and the order in the production stage;
calculating the remaining allowable production capacity of each process in the month, wherein the remaining allowable production capacity of each process in the month= (sum of factory calendar scheduling man hour, sum of personnel standard capacity and factory calendar scheduling man hour, sum of equipment standard capacity) -the production capacity of the process in the month;
and the intention orders are scheduled according to the scheduling rules, so that the effective utilization of the capacity of the production site is realized, and the production efficiency of unit time is improved.
7. The scheduling method of claim 6, further comprising a summary of the current month scheduling program, specifically,
summarizing orders meeting the scheduling rules to form a current month scheduling plan, and removing orders not meeting the scheduling rules from the current month scheduling plan.
8. The scheduling method of claim 7, further comprising auditing of the current month scheduling program.
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| CN117852837A (en) * | 2024-03-04 | 2024-04-09 | 山东豪泉软件技术有限公司 | Scheduling system, device, method and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117852837A (en) * | 2024-03-04 | 2024-04-09 | 山东豪泉软件技术有限公司 | Scheduling system, device, method and medium |
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