JP2007133671A - Production management system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To change a production schedule while responding to orders of an orderer appropriately when decreasing delay of delivery of products which are ordered by the orderer in a production management system based on ordering and acceptance of order between the orderer placing an order and a producer producing products. <P>SOLUTION: Reservation processing for reserving orders by orderers C1 to C8 for the products of specified models K1 to K4 on a specified production date in the production schedule is performed. Change processing for changing the specified production date of the products in the production schedule and the specified models K1 to K4 is performed. While the reservation processing is performed, the products of the specified models K1 to K4 on the specified production date are excluded from the change processing when the reservation processing is performed. While the change processing is performed, the products of the specified models K1 to K4 on the specified production date excluded from the reservation processing when the change processing is performed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a production management system based on ordering and ordering between an orderer who places an order and a producer who produces a product.

  In production of a product, in general, a producer often drafts a production plan for producing a plurality of types of products based on a demand forecast according to a market trend or a situation of an order. In this case, each time the orderer's order is entered, the orderer's order is assigned to the product of the specified type on the specified production date in the production plan, and the delivery date based on the specified production date is returned to the orderer. (See Patent Document 1).

JP 2004-29874 A

For example, if all products of a given type on a given production date have been allocated to the orderer's order, even if there is an order from the next orderer for this particular type of product, the order of the next orderer will be given. Since it cannot be assigned to a product of a given type on the date of production, the next orderer's order will be assigned to a product of the given type on a date after the given date of production, and the product for the next orderer's order will be assigned. Delivery will be delayed a little.
Therefore, in such a state, the producer needs to change the production plan to reduce the delay in delivery of the product with respect to the next orderer's order (for example, on a predetermined production day, different from the predetermined model). For example, the production of a product of a model is changed to a product of a predetermined model).

  In the production management system based on the ordering and ordering between the orderer who places the order and the producer who produces the product, the present invention can reduce the delay in delivery of the product with respect to the orderer's order. The purpose is to allow production plans to be changed while responding appropriately.

(Constitution)
A first feature of the present invention resides in the following configuration in a production management system based on orders and orders received between an orderer who places an order and a producer who produces a product.
In a production plan for producing multiple types of products, an allocation process is performed in which a purchaser's order is allocated to a predetermined type of product on a predetermined production date in the production plan, and the predetermined production date or predetermined type of the product in the production plan is determined. The change process to change is performed. While the allocation process is being performed, a change blocking process is performed to block the predetermined type of product for which the allocation process is being performed from the change process, and while the change process is being performed, the change process is performed. An allocation blocking process is performed to block a predetermined type of product from the allocation process.

A second feature of the present invention resides in the following configuration in a production management system based on ordering and ordering between an orderer who places an order and a producer who produces a product.
In a production plan for producing multiple types of products, an allocation process is performed in which a purchaser's order is allocated to a predetermined type of product on a predetermined production date in the production plan, and the predetermined production date or predetermined type of the product in the production plan is determined. The change process to change is performed. While the allocation process is being performed, the change blocking process is performed to block the predetermined production date for which the allocation process is being performed from the change process, and while the change process is being performed, the change process is being performed. An allocation blocking process for blocking the predetermined production date from the allocation process is performed.

A third feature of the present invention resides in the following configuration in a production management system based on an order and an order received between an orderer who places an order and a producer who produces a product.
In a production plan for producing multiple types of products, an allocation process is performed in which a purchaser's order is allocated to a predetermined type of product on a predetermined production date in the production plan, and the predetermined production date or predetermined type of the product in the production plan is determined. The change process to change is performed. While the allocation process is being performed, the change blocking process is performed to block the product of the specified type on the specified production date on which the allocation process is being performed from the change process. An allocation blocking process is performed to block a predetermined type of product on the predetermined production date on which the process is being performed from the allocation process.

(Function)
[I]
For example, as shown in FIG. 3, in a production plan for producing a plurality of types of products (models K1, K2, K3, K4), the orders of the orderers C1 to C7 are predetermined production dates (N month 1 day) in the production plan. Suppose that the allocation process assigned to the products of the predetermined model (models K1, K2, K3, K4) at ˜4 days) is performed.
In this state, for example, when all the products produced on January 1 (models K1 to K4) are allocated to the orders of the orderers C1 to C4, the next orderer C8 orders the products (model K1). Even so, the order of the orderer C8 cannot be assigned to the product (model K1) produced on the 1st of January, so the order of the orderer C8 is assigned to the product produced on the 3rd of May (type K1). .

  According to the first feature (second feature) (third feature) of the present invention, for example, as shown in FIG. 3, the producer pays attention to a product (model K4) produced on N. Then, as shown in FIG. 4, a change process for changing a product produced on N / 2 (model K4) to a product produced on N / 2 (model K1) can be performed (change process). Thereby, the order of the orderer C8 is assigned to the product (model K1) produced on the 2nd of January, and the delay in delivery of the product with respect to the order of the orderer C8 can be reduced.

[II]
For example, as shown in the preceding item [I] and FIG. 3, the orders of the orderers C1 to C7 are predetermined types (types K1, K2, K3, K4) on a predetermined production date (N month 1st to 4th) in the production plan. Suppose that the allocation process to be allocated to the product is performed.
According to the first feature of the present invention, for example, as shown in FIG. 3, while the allocation process is being performed on the product (model K1) produced on the 1st of Nth of the order of the orderer C1, the producer Even if an attempt is made to change the model K1) (for example, a change process that changes a product produced on the 4th of May (model K1) to a product produced on the 4th of January (model K2)), the change process is blocked. And rejected (change blocking process). In this case, the producer can change the product (model K2, K3, K4) other than the product (model K1), and the product produced on the first day of the month of the orderer C1 (model K1). When the allocation process is completed, the producer can perform a process for changing the product (model K1).

  According to the first feature of the present invention, for example, as shown in FIG. 4, the producer performs a change process for changing a product produced on N. 2 (model K2) to a product produced on N. 4 (model K2). Meanwhile, the allocation process for the orderer's ordered product (type K2) is blocked and rejected (allocation block process). In this case, for products other than the product (model K2) (models K1, K3, K4), it is possible to perform an allocation process for the products ordered by the orderer (models K1, K3, K4).

  As described above, according to the first feature of the present invention, when the allocation process for a predetermined type of product is performed, the change process for the predetermined type of product is blocked and rejected, and the change process for the predetermined type of product is performed. If this is done, the allocation process for the predetermined type of product is blocked and rejected, so that the allocation process and the change process are not simultaneously performed for the predetermined type of product. This prevents confusion and damage to the production plan, which is a database, due to the simultaneous execution of the allocation process and the change process for a predetermined type of product.

In this case, for example, while the allocation process for a predetermined type of product is being performed, it may be possible to protect the entire production plan and prevent the production plan from being changed at all. The change process unrelated to the current allocation process cannot be performed, which is not efficient.
On the other hand, according to the first feature of the present invention, the change process can be performed in a predetermined type other than the predetermined type of the allocation process currently performed, and the predetermined type other than the predetermined type of the currently performed change process. The allocation process can be performed at

[III]
For example, as shown in the preceding item [I] and FIG. 3, the orders of the orderers C1 to C7 are predetermined types (types K1, K2, K3, K4) on a predetermined production date (N month 1st to 4th) in the production plan. Suppose that the allocation process to be allocated to the product is performed.
According to the second feature of the present invention, for example, as shown in FIG. 3, while the allocation process is being performed for the product (model K1) produced on the 1st of Nth of the order of the orderer C1, Even if you try to change the daily production (for example, changing the product manufactured on January 1st (model K2) to the product manufactured on January 2nd (model K2)), this change processing will be blocked. And rejected (change blocking process). In this case, the producer can perform a process for changing production on the second, third and fourth days of N month other than the production on the first day of N month, and the product (model K1) produced on the first day of the month of ordering by the orderer C1. When the allocation process is completed, the producer can perform a process for changing production on the first of N month.

  According to the second feature of the present invention, for example, as shown in FIG. 4, the producer performs a change process for changing a product produced on N. 2 (model K4) to a product produced on N. 2 (model K1). During this period, the allocation process for the orderer's order for the N / 2 production is blocked and rejected (allocation block process). In this case, for N month 1, 3 and 4 day production other than N month 2 production, it is possible to perform an allocation process for the orderer's order to N month 1, 3 and 4 day production.

  As described above, according to the second feature of the present invention, if the allocation process for the predetermined production date is being performed, the predetermined production date changing process is blocked and rejected, and the predetermined production date changing process is performed. In this case, the provisioning process and the changing process are not simultaneously performed on the predetermined production date so that the provisioning process on the predetermined production date is blocked and rejected. This prevents confusion due to simultaneous execution of the allocation process and the change process for a predetermined production date, and damage to the production plan as a database.

In this case, for example, while the allocation process for a predetermined production date is being performed, it may be possible to protect the entire production plan and prevent the production plan from being changed at all. The change process unrelated to the reserved process is not performed, which is not efficient.
On the other hand, according to the second feature of the present invention, the change process can be performed on a predetermined production date other than the predetermined production date of the allocation process currently being performed, and other than the predetermined production date of the current change process. The provisioning process can be performed on the predetermined production date.

[IV]
For example, as shown in the preceding item [I] and FIG. 3, the orders of the orderers C1 to C7 are predetermined types (types K1, K2, K3, K4) on a predetermined production date (N month 1st to 4th) in the production plan. Suppose that the allocation process to be allocated to the product is performed.
According to the third feature of the present invention, for example, as shown in FIG. 3, while the allocation process for the product (model K1) produced on the 1st of Nth of the order of the orderer C1 is being performed, the producer Even if an attempt is made to change a product (model K1) produced on the 1st (for example, a change process that changes a product produced on the 1st of May (model K1) to a product produced on the 4th of May (model K2)). The change process is blocked and rejected (change block process). In this case, the producer can perform the change process other than the product (model K1) produced on the first day of Nth (for example, the change process of the product (model K2) produced on the first day of Nth can be performed). When the allocation process for the product (model K1) produced on the 1st of Nth month of the order of the orderer C1 is completed, the producer can change the product (model K1) produced on the 1st of Nth month.

  According to the third feature of the present invention, for example, as shown in FIG. 4, the producer performs a change process for changing a product produced on N. 2 (model K4) to a product produced on N. 2 (model K1). In the meantime, the allocation process of the orderer's order to the product produced on N / 2 (model K4) and the allocation process of the orderer's order to the product produced on N / 2 (model K1) are blocked. (Reservation blocking process). In this case, the allocation process can be performed for the products (models K1 to K4) on the 1st to 4th of N month other than the models (K1 and K4) produced on 2nd of N month (for example, products manufactured on the 2nd of N (Allocation processing to model K2 can be performed).

  As described above, according to the third feature of the present invention, if the allocation process for the predetermined type product on the predetermined production date is performed, the change process for the predetermined type product on the predetermined production date is blocked and rejected. In addition, if the change process of the product of the predetermined type on the predetermined production date is performed, the provision process for the predetermined type of product on the predetermined production date is cut off and rejected. This prevents a situation where the allocation process and the change process are simultaneously performed on the product. This prevents confusion and damage to the production plan, which is a database, due to simultaneous execution of the allocation process and the change process for a predetermined type of product on a predetermined production date.

In this case, for example, while the allocation process for a predetermined type of product on a predetermined production date is being performed, it is conceivable to protect the entire production plan and prevent the production plan from being changed at all. This makes it impossible to perform a change process unrelated to the currently allocated process, which is not efficient.
On the other hand, according to the third feature of the present invention, a change process in a predetermined type other than the predetermined type of the allocation process currently being performed, or a predetermined production date other than the predetermined production date of the allocation process currently being performed Change processing that is currently being performed, provision processing in a predetermined type other than the predetermined type of change processing, and provision processing in a predetermined production date other than the predetermined production date of the current change processing It can be carried out.

(The invention's effect)
According to the first feature (second feature) (third feature) of the present invention, in a production management system based on ordering and ordering between an orderer who places an order and a producer who produces a product, The delay in product delivery can be reduced, and the customer satisfaction of the production management system has been improved.

According to the first feature (second feature) (third feature) of the present invention, the production management system is prevented by preventing confusion due to simultaneous execution of the allocation process and the change process and the breakage of the production plan as a database. We were able to improve the reliability.
According to the first feature (second feature) (third feature) of the present invention, a change process unrelated to the currently performed allocation process can be performed, and an allocation process currently performed and unrelated to the change process can be performed. As a result, the work efficiency of the production management system was improved.

  For example, based on orders and orders between sellers (orderers) such as sales companies that sell products such as agricultural machinery such as agricultural tractors and combines to customers and producers such as manufacturers that produce products The production management system will be described as follows.

[1]
The first, second and third reservation orders A1, A2, A3 and the current order B1 will be described.
Agricultural machinery such as agricultural tractors and combines are not said to sell throughout the year, but have seasonality that they can sell relatively concentrated in a specific time of the year. The time when a product can be sold varies depending on the type of product.

  Sellers (orderers) that handle such products always use a mathematical statistical method based on customer information, etc., or a computer etc. based on empirical rules to predict demand. Before the seller (orderer) places an order for a predetermined product from the producer based on the demand forecast made by the seller in advance, the seller (orderer) can select the predetermined product when the product is sold. It is necessary to secure it without excess or deficiency (if there are few secured products, sales will be missed, and if there are many secured products, the products will remain in stock).

  As shown in FIG. 1, there are three types of a first reservation order A1, a second reservation order A2, and a third order that have different lengths of time until the delivery of the product between the seller (orderer) and the producer. The reservation order A3 is set, and the current order B1 is set separately from the first, second, and third reservation orders A1, A2, and A3.

  The period until product delivery and the discount rate of the fee paid by the seller (orderer) to the producer are, for example, about 1 month and 5% for the first reservation order A1, and about 2 months for the second reservation order A2. And 10%. In the first reservation order A1, the product is delivered to the seller (orderer) by the end of the shipment month in the shipment month corresponding to the month one month after the order date (for example, the order date is May 9) If there is, the shipment month will be June, and the product will be delivered to the seller (orderer) by the end of June). In the second reservation order A2, the month two months after the order date is the shipping month, and the product is delivered to the seller (orderer) by the end of the shipping month, as in the first reservation order A1.

  For example, the third reservation order A3 is set to about 3 months and 15% for the period until product delivery and the discount rate of the fee paid by the seller (orderer) to the producer. In the third reservation order A3, in the shipment month corresponding to the month three months after the order date, the product is delivered to the seller (orderer) in the first half of the shipment month (for example, the order date is May 9). The shipment month is August, and the product is delivered to the seller (orderer) in the first half of August). The current order B1 is mainly made based on an order from the customer to the seller (orderer), and the period until delivery of the product is set within, for example, about 10 days. The delivery date to the orderer) can be specified, whereas the discount rate of the fee paid by the seller (orderer) to the producer is set to 0%.

[2]
Next, the risks and benefits of the first, second and third reservation orders A1, A2, A3 and the current order B1 will be described.
As shown in FIG. 1, since the seller (orderer) is in contact with the customer on a daily basis to obtain highly accurate customer information, it is relatively easy to make a highly accurate demand forecast. Yes. However, depending on the quality and quantity of customer information held by the seller (orderer) and the competence of the seller (orderer) among many sellers (orderers), the seller (orderer) is the seller (orderer). There is a difference in accuracy in demand forecasting.

  Thus, when placing an order for a predetermined product, a seller (orderer) who can perform demand prediction with high accuracy places a large number of second and third reservation orders A2 and A3, and the first reservation order A1 and The current order B1 tends to be less frequently placed, and the second and third reservation orders A2 and A3 tend to be placed long before the time when a predetermined product is sold. Conversely, a seller (orderer) who cannot perform demand prediction with high accuracy issues a large number of first reservation orders A1 and commercial orders B1, and says that the second and third reservation orders A2 and A3 are not so many. There is a tendency to place the first reservation order A1 and the current order B1 immediately before the time when a predetermined product is sold.

  As described above, the seller (orderer) makes a demand forecast based on customer information, etc., and the seller (orderer) makes the first, second, and third reservation orders to the producer based on the demand forecast made by himself. Since A1, A2, A3 and the current order B1 are issued, the risk that the demand forecast deviates from the actual demand is borne by the seller (orderer) (the seller (orderer) is burdened). Become). Conversely, producers are not at risk from the demand forecast being out of actual demand.

  In this case, the seller (orderer) who can perform demand prediction with high accuracy places a large number of second and third reservation orders A2 and A3, so that there is a large risk that the demand forecast will deviate from the actual demand. Although it becomes a thing, the profit that the discount rate of the charge paid to a producer can be made large can be acquired. Conversely, a seller (orderer) who cannot perform demand prediction with high accuracy issues a large amount of the first reservation order A1 and the current order B1, so that the risk due to the demand forecast deviating from the actual demand is small. However, it is impossible to obtain a profit that the discount rate of the fee paid to the producer can be increased.

[3]
Next, production planning and allocation processing will be described.
As shown in FIG. 1 and FIG. 2, each of a large number of sellers (orderers) makes a demand prediction as described above, and the seller (orderer) is a producer based on the demand prediction made by himself / herself. The first, second, and third reservation orders A1, A2, and A3 are placed using a computer network or the like, and the current order B1 is placed to the producer using the computer network or the like based on an order from a customer. . The producer receives orders for the first, second and third reservation orders A1, A2 and A3 and the current order B1 as needed, and the orders are closed on a predetermined date (for example, the 10th day of every month). The first, second and third reservation orders A1, A2 and A3 are collected.

  As shown in FIG. 1 and FIG. 2, the producer uses a computer or the like based on the first, second, and third reservation orders A1, A2, and A3 received by a predetermined date to create a production plan that is a database. Revise the plan and production plan (review the next month production plan and create a new production plan for the next month based on the monthly plan, schedule plan, and final plan). During this time, the current order B1 is received as needed.

  In this case, for example, as shown in FIG. 3, in a product of a plurality of types (predetermined types (types K1, K2, K3, K4...)), N months (N month 1st to 4th... (Predetermined production) If the production plan for the first, second and third reservation orders A1, A2, A3 and the current order B1 is received, the product (model K1) produced on the first day of N The seller (orderer) C1's order is automatically assigned, and the seller (orderer) C2's order is automatically assigned to the product (model K2) produced on January 1st. (Orderer) Orders of C1 to C7 are automatically allocated (allocation process).

  As a result, the producer places an order with a parts manufacturer or the like, and uses a computer network or the like to reply to the seller (orderer) the confirmed delivery date for the first reservation order A1 for which the allocation process has been performed ( For example, on the 20th day of every month, the final delivery date of the second reservation order A2 that has been accepted and processed in the previous month, and the final delivery date of the third reservation order A3 that has been accepted and processed in the previous month Reply to the seller (orderer) using the network.

  The confirmed delivery date for the current order B1 for which the allocation process has been performed is immediately answered to the seller (orderer) using a computer network or the like. When the producer receives an order for the current order B1, if the provisioning process for the current order B1 is not performed, the producer uses a computer network or the like to provide a provisional response regarding the delivery date for the current order B1. A few days later, the final delivery date for the current order B1 is returned to the seller (orderer) using a computer network or the like.

[4]
Next, the production plan and the change process will be described.
In the production plan for N month as shown in FIG. 3, when all the products (models K1 to K4) produced on N1 are allocated to the orders of sellers (orderers) C1 to C4, the product (model K1) ) Even if there is an order from the next seller (orderer) C8, the order from the seller (orderer) C8 cannot be assigned to a product (model K1) produced on January 1st. (Orderer) Assume that the order of C8 is automatically assigned to a product (model K1) produced on January 3rd.

  In this case, as shown in FIG. 3, the producer makes a judgment by looking at the entire N month production plan, and pays attention to the fact that the product (model K4) produced on N. As shown in FIG. 2, one of the products produced on N. 2 (model K4) is changed to a product produced on N. 2 (model K1) (changing process). As a result, the assignment of the order of the seller (orderer) C8 to the product (model K1) produced on January 3 is automatically canceled, and the order of the seller (orderer) C8 is produced on January 2 Product (model K1) is automatically allocated, and the confirmed delivery date of the order of the seller (orderer) C8 is returned to the seller (orderer) C8. In this way, the confirmed delivery date of the order of the seller (orderer) C8 is advanced.

  As shown in FIG. 3, in the production plan for N month, the order of the seller (orderer) C7 is assigned to the product (model K3) produced on N. When the product (model K2) has not been allocated, the producer makes a judgment by looking at the entire N month production plan, and as shown in FIG. Change to a daily production product (model K3) (change process). As a result, the allocation of the order of the seller (orderer) C7 to the product (model K3) produced on January 4 is automatically canceled, and the order of the seller (orderer) C7 is canceled on January 2nd. The product (model K3) is automatically assigned, and the confirmed delivery date of the order of the seller (orderer) C7 is returned to the seller (orderer) C7. In this way, the confirmed delivery date of the order of the seller (orderer) C7 is advanced.

  In this case, as shown in FIG. 3 and FIG. 4, since the production on N.N. 2 increases and becomes busy, the producer makes a judgment by looking at the entire N-month production plan, and the product ( Focusing on the fact that model K2) has not been allocated and that there is no product produced on N.4 (model K2), N2 produced (model K2) is N4 produced (model). Change to K2).

[5]
Next, the production plan, the change blocking process, and the allocation blocking process will be described.
As shown in the preceding paragraph [3] and FIG. 3, when orders of sellers (orderers) C1 to C7 are automatically allocated (allocation processing), for example, N months of orders of sellers (orderers) C1 While the allocation process for the product (model K1) produced on the 1st is being performed, the producer can change the product (model K1) produced on the 1st of Nth (as shown in [4] in the previous section and FIG. Even if an attempt is made to change a product manufactured on N. 2 (model K2) to a product manufactured on N. 4 (model K2), this change is blocked and rejected (change blocking) processing).

However, as shown in FIG. 3, the producer can perform, for example, a change process for a product (model K4) produced on N.N. When the allocation process for the product (model K1) produced on the 1st of January of the order of the seller (orderer) C1 is completed, the producer may change the product (model K1) produced on the 1st of N month. it can.
In this case, for example, while the order of the seller (orderer) C1 is automatically assigned to the product (model K1) produced on the 1st of Nth (during the allocation process), all products produced on the 1st of Nth The change process of (models K1 to K4...) Is blocked and rejected, or the change process of a product (model K1) for a predetermined number of days (for example, 10 days) from January 1 is blocked and rejected. You may make it (change interruption | blocking process).

  As shown in the previous item [4] and FIG. 4, for example, while the producer is performing a change process for changing a product produced on N. 2 (model K2) to a product produced on N. 4 (model K2), Allocation process for N / 2 product produced by seller (orderer) order (model K2) and allocation for N4 production product (model K2) by seller (orderer) order Processing is blocked and rejected (reservation blocking processing).

However, as shown in FIG. 4, the seller (orderer) for products manufactured on N. 3 (model K4) and products manufactured on N. 4 (model K1) that have not been changed. The process of allocating to the product (model K4) produced on N.N. 3 of the order and the process of allocating to the product (model K1) produced on N.4 on the order of the seller (orderer) is performed.
In this case, for example, while the producer is changing the product (model K2) produced on January 2nd to the product (model K2) produced on January 4th, all of the 2nd and 4th of January The allocation process for the products (models K1 to K4...) Is blocked and rejected, or the allocation process for products (model K2) for a predetermined number of days (for example, 10 days) is blocked May be rejected (reservation blocking process).

[6]
As described in the preceding paragraphs [3], [4] and [5], when the producer performs the production planning, the allocation process and the change process (modification of the production plan), the production Production management is optimized, including leveling, compression and optimization of inventory, and shortening of delivery time.
In this case, the producer receives not only the first reservation order A1 and the current order B1 but also the second and third reservation orders A2 and A3, which have a long period until delivery of the product. Since the third reservation orders A2 and A3 can flexibly make a production plan and modify the production plan, it is possible to reduce the constraints imposed on the production plan of the producer and the burden on the production operation.

  As shown in FIGS. 1 and 2, for example, the producer produces based on the first, second, and third reservation orders A1, A2, and A3 received from the predetermined day of (N-1) month to the predetermined day of N month. Make a plan and modify the production plan (by revising the (N + 1) month production plan and creating a new (N + 2) month production plan based on the monthly plan, schedule plan and final plan) The seller (orderer) is replied using a computer network or the like to the confirmed delivery date for A1, the confirmed delivery date of the second reservation order A2 received in the previous month, and the confirmed delivery date of the third reservation order A3 received in the previous month. Review of the (N + 1) month production plan includes a review of production of products shipped in the (N + 1) month, a review of pre-production of products shipped in the (N + 2) month, and a review of production for the current order B1. included.

  As described above, the risk that the demand forecast deviates from the actual demand is not borne by the producer (the seller bears the risk that the demand forecast deviates from the actual demand), but the fixed delivery date for the first reservation order A1, When the producer answers the seller (orderer) the final delivery date of the second reservation order A2 received in the previous month, the final delivery date of the third reservation order A3 received in the previous month, and the final delivery date for the current order B1. Producers will provide guarantees to sellers (orderers).

  As described above, the fixed delivery date for the first reservation order A1, the final delivery date for the second reservation order A2 received in the previous month, the final delivery date for the third reservation order A3 received in the previous month, and the final delivery date for the working order B1 are sold. When the seller (orderer) receives it, the seller (orderer) confirms with the producer that he / she will receive the products for the first, second, third reservation orders A1, A2 and A3 and the product for the current order B1. Reply is made using a computer network or the like, and the seller (orderer) guarantees the producer's production plan. In this way, the seller (orderer) receives the product from the producer and sells it to the customer.

Diagram showing relationship between seller (orderer) and producer The figure which shows the state of the production plan drafting and the modification of the production plan in the producer A diagram showing the state in which orders from sellers (orderers) are assigned to the planned production plan Diagram showing the state where the change process is performed on the production plan

Explanation of symbols

C1-C8 Ordering party K1-K4 Predetermined model

Claims (3)

A production management system based on an order and an order between an orderer who places an order and a producer who produces a product,
In the production plan to produce multiple types of products,
An allocation process is performed in which the orderer's order is allocated to a product of a predetermined type on a predetermined production date in the production plan, and a change process is performed to change the predetermined production date and the predetermined model of the product in the production plan.
While the allocation process is being performed, a change blocking process for blocking a predetermined type of product for which the allocation process is being performed from the change process is performed,
While the change process is being performed, an allocation blocking process is performed in which a predetermined type of product for which the change process is being performed is blocked from the allocation process. A production management system based on an order and an order between an orderer who places an order and a producer who produces a product,
In the production plan to produce multiple types of products,
An allocation process is performed in which the orderer's order is allocated to a product of a predetermined type on a predetermined production date in the production plan, and a change process is performed to change the predetermined production date and the predetermined model of the product in the production plan.
While the allocation process is being performed, a change blocking process for blocking the predetermined production date for which the allocation process is being performed from the change process is performed,
While the change process is being performed, an allocation blocking process is performed in which a predetermined production date on which the change process is being performed is blocked from the allocation process. A production management system based on an order and an order between an orderer who places an order and a producer who produces a product,
In the production plan to produce multiple types of products,
An allocation process is performed in which the orderer's order is allocated to a product of a predetermined type on a predetermined production date in the production plan, and a change process is performed to change the predetermined production date and the predetermined model of the product in the production plan.
While the allocation process is being performed, a change blocking process for blocking a predetermined type of product on the predetermined production date on which the allocation process is being performed from the change process is performed,
While the change process is being performed, an allocation blocking process is performed in which a predetermined type of product on the predetermined production date on which the change process is being performed is blocked from the allocation process.

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