JP2009220927A - Storage place determination system and determination method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a storage place determination system which can efficiently use a storage place without requiring daily relocation work, and automatically preparing a location in the storage space for products without requiring special know-how and skill, and a storage place determination method. <P>SOLUTION: The storage place determination system is equipped with a device 5 for storing production plan information, a device 4 for storing a content of a contract when receiving an order of production, and a device 8 for determining the location in the storage place of a storage object produced based on the production plan information and the content of the contract. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a technique for automatically determining a place where an object such as a steel product is stored.

FIG. 49 shows a procedure (process) from ordering to shipment of a steel material in a steel product (for example, rolled product) manufacturing facility.
In FIG. 49, first, an order (for example, order A, order B, order C) is received from each consumer (or orderer), and the production management department K101 receives the order information received from a plurality of consumers for each product. Summarize by standard and length.

Similarly, the production management department K101 prepares a production plan based on the collected order information.
In the steelmaking factory K102, material (crude steel) production is performed based on the planned production plan. The produced material (crude steel) is sent to the heating furnace K103 and heated. The heated material is sent to the rolling process K104 for each production lot and rolled to form a steel product.

  The rolled steel material is cut to the order length received in the order in the cutting step K105. The cut product is sent to the rating process K106, the product is graded (sorting between regular and defective products), and sent to the packing process K107 for packing (standard packing performed regardless of the orderer) ) Is performed. The packed product is temporarily placed (K110) in a product yard called a stock yard (hereinafter referred to as a finishing yard) by a crane in a crane transportation process K108.

  Here, based on the production planning of the production management department K101, a product storage plan planning (manual operation) K109 is performed, and this product storage planning (manual operation) K109 is transferred to the crane transportation process K108.

In the finishing yard (place), the temporarily placed product (K110) is assigned to each contract (each orderer) (K111). The products assigned to each contract (by orderer) are redistributed (collected by orderer. K112) according to the assignment, and repacked (corresponding to the contents of the order or to the orderer). Then, it is repackaged in a predetermined manner (step K113) and stored (step K114).
The stored steel products are unloaded from the storage location and shipped according to the shipping date (delivery date). When shipped, if necessary, a process of temporarily moving another steel product that hinders the delivery of the shipped steel product to another location, a so-called “replacement” operation is performed.

In the above procedure, the order content is high-mix low-volume production, and production efficiency is low in production lot organization for each contract. Therefore, production lots are organized by combining orders of a plurality of contracts.
As a result, orders with different shipping dates are mixed in the same production lot.
By the way, a finishing yard (place) for temporarily placing the produced product is a limited space, although not shown in FIG. Conventionally, the placement of steel products in the finishing yard after product production has been performed as follows.
(1) Performed by two workers, a crane operator and a slinging worker.
(2) Use a crane to transport the product after production. The crane uses a jig such as a C hook or wire to lift the product. Further, for example, sleepers called mambo are laid between the products so that these jigs can be removed.
(3) The product is piled up, but the height of the mountain arrangement is limited by the transportation of the crane. In addition, in order to prevent product collapse, it is necessary to consider the length and number of steel products at the top and bottom of the mountain arrangement.
(4) Securing the space between the mountains is necessary to ensure that there is no impact on crane transport using jigs such as C hooks (requires space to pull out the C hooks) .
(5) The order of carrying out from the finishing yard should be considered so that so-called “replacement” is reduced.

In the conventional method, the allocation of each product contract is performed by taking the contract information document to the product storage and checking the stacked products each time (the contract number etc. is assigned to the allocated products). Marking).
And the delivery of products from the finishing yard is basically in the order of early delivery. At this time, if a product with an early delivery date is below the mountain where the mountain is placed, as described above, it is necessary to perform “replacement” to move the upper product to another place and carry out the required product. End up.

As described above, in the conventional method, a product storage plan for the finishing yard is prepared based on the production plan. However, the limited storage space for the finishing yard, the delivery date from the finishing yard, the product length In addition, it is necessary to plan in consideration of many constraints such as the number of products and the height of stacked products.
In addition, since it is a manual planning work, there are many parts that depend on some constraints, experience, and intuition, and it is unclear whether this is an optimal product storage plan.

Specifically, there are the following problems.
(1) Since the product storage plan is created manually, it requires a lot of man-hours.
(2) When the product is paid out from the finishing yard, replacement work occurs on a daily basis.
(3) There is a lot of wasted space in the finishing yard after production (the parking lot is not used effectively).
(4) It is one of the occupations where it is difficult to pass on know-how, and it takes a lot of time to train successors.

As another conventional technology, a label indicating the steel material identification information is pasted on the steel material to reduce manual verification work at the time of warehousing, eliminating the need for manual steel material identification work at the time of warehousing. A technique for calculating a location based on operations such as movement of a hoist and load detection has been proposed (Patent Document 1).
However, since the related art does not disclose any specific method for specifying the position of the steel material (placement placement) in the place, it does not solve the above-described problem.
JP 2002-160812 A

  The present invention has been proposed in view of the above-described problems of the prior art, and automatically arranges (placement plan) in a storage place (placement) of a storage object (product) that has been produced in a variety of small quantities. It can be calculated, does not require daily replacement work, can efficiently use the storage location (storage), and without using special know-how and skills, An object of the present invention is to provide a storage location determination system and a storage location determination method capable of creating an arrangement (storage location plan) in a storage location (storage location).

  The storage location determination system (100) according to the present invention includes a device (production planning unit 5) for storing production plan information for executing multi-product small-quantity production of a storage object (product, for example, steel material), and production of the storage object. (Contract information unit 4) for storing the contents of the contract when the order is received (contract information unit 4), and the arrangement of the storage object produced based on the production plan information and the contents of the contract (place YD) ( And a device (placement placement calculation unit 8) for determining the placement (placement plan) in the storage location (placement YD) in the storage place (placement YD). A function for determining an area (empty area Ee) in which a newly produced storage object can be arranged in the above, and a new mountain arrangement is formed only by the produced storage object, or the storage object is already placed. A function for determining whether to pile up in the area (M), a function for determining whether or not it is possible to pile up the storage object produced in the area (M) where the storage object is already placed, When deciding whether to form a new mountain or to pile up, if it is possible to pile up the storage objects produced in the area (M) where the storage objects are already placed, pile up And a function of preferentially selecting the above (Claim 1).

  The storage location determination method of the present invention uses the storage location determination system of the present invention described above (the storage location determination system 100 of claim 1) to determine the storage location of a storage object (product, for example, steel material). In the determination method, a step (S1) of storing production plan information for executing multi-product small-volume production of storage objects, and a step of storing contract contents (contract information) when an order for production of storage objects is received (S2) ) And a step (S11) for determining the placement (placement plan) in the storage place (placement YD) of the storage object produced based on the production plan information and the contents of the contract, and the storage place (placement YD) In the step (S11) of determining the arrangement (placement plan) in the storage area (placement YD), a storage area (empty area Ee) in which a newly produced storage object can be placed is determined and produced. object It is determined whether to form a new mountain arrangement or pile up in the area (M) where the storage object is already placed, and the storage produced in the area (M) where the storage object is already placed The storage produced in the area (M) where the storage object is already placed when determining whether it is possible to stack the object and determining whether to form a new mountain or to stack If it is possible to pile up the object, it is characterized by preferentially selecting to pile up (claim 4).

  In the storage location determination system of the present invention, the device (placement placement calculation unit 8) for determining the placement (placement plan) in the storage place (placement YD) forms a mountain arrangement only with storage objects of the same length (single place) A single function for a certain direction of the storage location (storage YD) (for example, the lateral direction of the storage YD) It is preferable to have a function of determining whether to arrange only a mountain arrangement (single row) or to arrange a plurality of mountain arrangements (double row) (Claim 2).

  In the storage place determination method of the present invention, in the step (S11) of determining the arrangement (placement plan) in the storage place (placement YD), is the mountain arrangement formed only of the same length of storage object (single mountain arrangement)? Or it judges whether it forms with the storage object of different length (mixed distribution mountain), and arranges only a single mountain distribution about a fixed direction (for example, lateral direction of storage YD) of storage place (storage YD) It is preferable to determine whether (single row) or a plurality of mountain arrangements (double row) are arranged (claim 5).

  In the storage location determination system (100) of the present invention, the device (placement placement calculation unit 8) for determining the placement (placement plan) in the storage place (placement YD) is a large number of storage objects (products, for example, steel materials). It is preferable to have a function of linking (linking) production plan information for executing low-volume production and the contents of the contract (contract information) when an order is received for the production of the storage object (claim 3). .

  Alternatively, in the storage location determination method of the present invention, in the step (S11) of determining the placement (placement plan) in the storage location (placement YD), the production for executing the multi-item small-volume production of the storage object (product, for example, steel) It is preferable to link (link) the plan information and the contents of the contract (contract information) when the storage object is ordered (claim 6).

In the present invention, a computer is preferable as the above-described various apparatuses or the means for executing the various processes described above.
Here, the term “computer” is a general term for machines and appliances having an information processing function, and widely includes server machines, client machines, workstations, terminals, personal computers (hereinafter abbreviated as “PC”), chips, and the like. It is a statement of purpose.
Moreover, it is also possible to substitute the function which the means which performs various apparatuses and various processes performs manually by the worker.

According to the present invention having the above-described configuration, it is produced based on the production plan information and contract contents by the device (placement placement calculation unit 8) for determining the placement (placement plan) in the storage place (placement D). Since the placement (placement plan) of the storage object (product, for example, steel product) in the storage place (placement YD) is determined, the storage object is efficiently used in the storage place (placement YD) prior to the production of the storage object. A plan (placement plan) can be automatically determined.
In particular, according to the present invention, it is possible to stack storage objects produced in the area (M) where the storage objects are already placed when deciding whether a new mountain is to be formed or stacked. If so, the stacking is preferentially selected, so that the storage objects are efficiently arranged in the storage place (place YD). As a result, the situation where many useless spaces are found in the storage location (storage YD) is solved.

According to the present invention, since it is possible to automatically create such an arrangement plan (placement plan), the placement plan of the storage object in the storage place (placement YD) as compared with the conventional manual operation. It is possible to drastically reduce the labor and man-hours related to the creation of (placement plan).
At the same time, even if there is no special labor or skilled technicians, it is possible to realize an efficient arrangement of the objects to be stored.

In the present invention, when determining whether or not a newly produced storage object can be stacked in the area (M) where the storage object is already placed, the area where the storage object is already placed (M) Newly produced only when the storage object located at the top of (M) is unloaded from the storage location (YD) (delivery time) is later than the unloading time (delivery time) of the newly produced storage object. If it is determined that the storage objects to be stored can be stacked, the replacement work performed when the storage objects are carried out from the storage location (YD) in the prior art becomes unnecessary.
As a result, the labor expended for carrying out the storage object from the storage location (YD) is greatly reduced.

  In the present invention, when determining the placement (placement plan) in the storage place (placement), the production plan information for executing the high-mix low-volume production of the storage object (product, for example, steel material) and the production of the storage object are accepted. If the contents of the contract (contract information) when linked are linked (linked) (claims 3 and 6), is the number of products produced over and under the order of the contract? It is possible to easily determine whether or not.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
In the illustrated embodiment, an aspect of automatically determining a location for storing a steel material as a product in a steel product (for example, rolled product) manufacturing facility will be described.
In FIG. 1, the storage location determination system denoted as a whole by reference numeral 100 includes a host computer 1, a placement location automatic calculation server 2, and three clients C 1, C 2, and C 3.
In this specification, the term “storage location” (reference numeral YD in FIGS. 13 and 14) or “preparation yard” means “placement”. Therefore, the term “storage location determination system” means a system that determines the placement of the storage location, and the term “storage location determination method” means a method of determining the placement location.
In the illustrated embodiment, the storage location or the finishing yard YD is shown as an indoor storage location (FIGS. 13 and 14), but the storage location determination system and storage location determination method of the present invention is an outdoor storage location. Alternatively, the same can be applied to the storage location.

In FIG. 1, the automatic placement location calculation server 2 includes a master maintenance function for maintaining various masters to be described later, a constraint condition maintenance function for maintaining constraint conditions, and contract information / production plan maintenance for maintaining contract information and production plans. It has a function, a placement location automatic calculation function, a calculation result maintenance function, and a host computer communicator for performing communication between the server 2 and the host computer 1. Note that the automatic placement location calculation function also includes a result confirmation function.
The placement location automatic calculation server 2 is informationally connected to the clients C1 to C3. Here, the client C1 is a department that plans placement placement and a production management department. The client C2 is a factory department, and collects results of product rating and contract allocation. The client C3 is a crane department in the factory department, and browses placement instructions and registers placement results.

FIG. 2 shows a detailed configuration of the placement location automatic calculation server 2.
In FIG. 2, the placement location automatic calculation server 2 includes a constraint condition unit 3, a contract information unit 4, a production planning unit 5, a placement specification unit 6, a product specification unit 7, and a placement placement calculation unit 8. is doing.

The constraint condition unit 3 sets the contents of the constraint condition master, and transmits (provides) the set contents of the constraint condition master to the placement location calculation unit 8.
The contract information unit 4 organizes (collectively) the contents of contracts with a plurality of customers transmitted via the host computer 1 and creates the contract information, and transmits the created contract information to the placement arrangement calculation unit 8 ( provide.
The production planning unit 5 plans and drafts a production plan, and transmits (provides) the contents of the production plan to the storage location calculation unit 8.
The placement specification unit 6 sets the contents of the placement specification master, and transmits (provides) the contents of the set placement specification master to the placement placement calculation unit 8.
The product specification unit 7 sets the content of the product specification master, and transmits (provides) the set content of the product specification master to the placement location calculation unit 8.
The placement location calculation unit 8 creates placement instruction information based on the various contents (information) transmitted (provided), and transmits (provides) placement instruction information to each client (FIG. 1).

FIG. 3 shows the configuration of the constraint condition unit 3.
In FIG. 3, the constraint unit 3 includes a constraint master maintenance block 31, a constraint master creation block 32, and a constraint master output block 33.
When a placement method, placement placement priority information, and reserved placement information (such as designation of an area that is not subject to placement planning) are input to the maintenance block 31 via the input device 30, a constraint condition is added in response to the input. Correct, delete, and maintain the constraint master to the latest contents corresponding to the input information.

The constraint condition master creation block 32 creates a constraint condition master and registers the created constraint condition master.
The constraint condition master output block 33 transmits the constraint condition to the placement location calculation unit 8 as necessary, and acquires information on the constraint condition master from the placement location calculation unit 8.

Here, the constraints include the size of the parking lot (including standard plots), maximum distribution width, standard distribution width, minimum distribution width, maximum distribution height, maximum distribution height, standard distribution height, There are minimum mountain height, mountain spacing, packaging size for each product, cross section size of mambo, length of mambo, etc.
The “mambo” is a spacer interposed so that the steel materials are not in direct contact with each other when the steel materials are stacked and stored (distributed).

FIG. 4 shows the configuration of the contract information unit 4.
In FIG. 4, the contract information unit 4 includes a contract information maintenance block 41, a contract information creation block 42, and a contract information output block 43.
The maintenance block 41 of the contract information is a content of the contract transmitted to the placement location automatic calculation server 2 via the host computer 1 (FIG. 1), for example, contract No. When the product name, standard, length, number of orders, packing status, ordering party, etc. are entered, the contents of the contract are added, corrected and deleted, and the contract transferred to the automatic placement server 2 is transmitted. Always maintain the latest content.

The contract information creation block 42 determines the contract contents based on the contents maintained in the maintenance block 41, and registers or stores the determined contract contents.
The contract information block 43 transmits (provides) the determined contract contents to the placement arrangement calculation unit 8 as necessary, and acquires information on the contract contents from the placement arrangement calculation unit 8.

FIG. 5 shows the configuration of the production planning unit 5.
In FIG. 5, the production plan unit 5 includes a production plan information maintenance block 51, a production plan information creation block 52, and a production plan information output block 53.
The production plan information maintenance block 51 adds, corrects, and deletes the production plan when information about the production plan such as product name, standard, length, and order is input via the host computer 1 (FIG. 1). Based on the information via the host computer 1, the production plan information is maintained to the latest contents.

In the production plan information creation block 52, a production plan is determined based on the information maintained in the maintenance block 51, and the determined production plan is registered (stored).
The production plan information output block 53 transmits the production plan to the placement arrangement calculation unit 8 as necessary, and acquires information related to the production plan from the placement arrangement calculation unit 8.

FIG. 6 shows the configuration of the placement specification unit 6.
In FIG. 6, the placement specification unit 6 includes a placement specification master maintenance block 61, a placement specification master creation block 62, and a placement specification master output block 63.
When the storage size and the usage status are input via the host computer 1 (FIG. 1), the storage specification master maintenance block 61 adds the storage specification master corresponding to the input storage size and the usage status. , Correct, delete, and keep the storage specification master up to date.
In some cases, the mambo size is handled as information on the placement specification master. In this case, the mambo size is also input to the placement specification unit 6 via the host computer 1 (FIG. 1).

In the placement specification master creation block 62, a placement specification master is created and the created placement specification master is registered.
The placement specification master output block 63 transmits the placement specification master to the placement placement calculation unit 8 as necessary, and acquires information regarding the placement specification master from the placement placement calculation unit 8.

FIG. 7 shows the configuration of the product specification unit 7.
In FIG. 7, the placement specification unit 7 has a product specification master maintenance block 71, a product specification master creation block 72, and a product specification master output block 73.
The maintenance block 71 of the product specification master is inputted with the size of the packing, the size of the mountain distribution, the product interval, etc. via the host computer 1 (FIG. 1), and the product specification master is added corresponding to the input information. Correct, delete, and maintain the product specification master in the latest state.

The product specification master creation block 72 creates a product specification master and registers the created product specification master.
The product specification master output block 73 transmits the product specification master to the placement location calculation unit 8 as necessary, and acquires information related to the product specification master from the placement location calculation unit 8.

FIG. 8 shows the configuration of the placement location calculation unit 8.
In FIG. 8, the placement arrangement calculation unit 8 includes an input side interface Ii / F, a constraint condition storage block 81, a production plan storage block 82, a contract information storage block 83, a placement empty area determination block 84, and a production Plan-contract information linking block 85, mountain distribution determination block 86, stacked mountain distribution verification block 87, mountain distribution verification block 88 for each product length, single-row / double-row verification block 89 for placement, and placement It has a decision processing block 90, an arrangement plan confirmation block 91, and an output side interface Io / F.

The constraint condition storage block 81 receives a constraint condition master from the constraint condition unit 3 via the interface Ii / F, and stores the constraint condition master. The stored constraint condition master is transmitted to the mountain distribution determination block 86 and the stacked mountain distribution verification block 87.
The production plan storage block 82 receives a production plan from the production planning unit 5 via the interface Ii / F and stores the production plan. The stored production plan is transmitted to the production plan-contract information linking block 85.
The contract information storage block 83 receives contract information from the contract information unit 4 via the interface Ii / F, and stores the input contract information. The stored contract information is transmitted to the production plan-contract information linking block 85.

The vacant area determination block 84 receives the locating specification master from the locating specification unit 6 via the interface Ii / F, and transmits information on the locating specification master to the mountain allocation determining block 86 and the stacked mountain allocation verification block 87.
The production plan-contract information linking block 85 associates the production plan with the contract information based on the production plan from the production plan storage block 82, the contract information from the contract information storage block 83, and the product specification master (so-called ("Linking work" or "Linking work").
Here, the product specification master is input from the product specification unit 7 to the production plan-contract information linking block 85 via the interface Ii / F.
The production plan associated with the contract information by the linking operation is transmitted to the mountain distribution determination block 86, the stacked mountain distribution verification block 87, the mountain distribution verification block 88 for each product length, and the single-row / double-row verification block 89 for the parking lot. Is done.

Whether the mountain allocation determination block 86 newly allocates a mountain based on the production plan associated with the constraint condition master, the vacant space information of the parking lot, and the contract information (new distribution) or is accumulated on the existing distribution (Stacked mountain distribution) is determined, and the determination result is sent to the stacked mountain distribution verification block 87 and the mountain distribution verification block 88 for each product length.
The stacked mountain allocation verification block 87 can perform the stacked mountain distribution from the constraint condition master, the determination result of new allocation or stacked allocation, the vacant area information of the parking lot, the production plan associated with the contract information, and the product specification master. Verify whether or not.

  The mountain distribution verification block 88 for each product length is associated with the constraint condition master, the determination result of new distribution or stacked distribution, the verification result of whether or not stacked distribution is possible, the product specification master, and contract information. From the production plan, it is verified whether there is an amount that products of the same type and the same length (packaged products) form one mountain arrangement.

The single-row / double-row verification block 89 for the storage site is based on the storage specification master, the verification result of whether or not the product has enough quantity to form one mountain, and the production plan associated with the contract information. Verify whether it is a column or a double column.
Here, “single row” and “double row” are, for example, as shown in FIG. 42, depending on the length of the steel product as the storage object, only one mountain arrangement can be formed in the horizontal direction of the storage site. A row (or a single row) ”, and a case where a plurality (two in FIG. 42) of mountains can be formed is a“ double row (or double row) ”.
The “single row” and “double row” will be described later with reference to FIGS.

The placement determination processing block 90 is arranged based on the various information sent to the placement single-row / double-row verification block 89 and the verification result of the placement single-row / double-row verification block 89 (placement of steel products (placement). Plan).
The arrangement plan confirmation block 91 confirms or verifies the arrangement (placement plan) of the steel product determined by the placement determination processing block 90, and confirms whether or not it is an optimum placement plan. If it is confirmed that it is the optimum placement plan, it is transmitted to each of the clients C1 to C3 (see FIG. 1) via the interface Io / F. When it is confirmed that it is not an optimum placement plan, the placement decision processing block 90 has a function to change the constraint conditions, various masters, calculation conditions, etc., and recalculate the arrangement (placement plan) of steel products. Have.

The various units and blocks described above are preferably configured by a computer.
The term “computer” is a general term for machines and instruments having an information processing function, and includes a wide range of server machines, client machines, workstations, terminals, PCs, chips, and the like.
However, the above-described various functions of various units and blocks can be substituted by manual work by an operator.

The procedure for determining the location of the steel product by the storage location determination system 100 shown in FIGS. 1 to 8 will be described with reference to FIG. 9 and FIG.
FIG. 9 and FIG. 10 show a procedure from receiving an order to shipping the steel product (product) according to the illustrated embodiment, for example, in a steel product manufacturing facility.
Hereinafter, the procedure for ordering and shipping steel products will be described with reference to FIG. In addition, the code | symbol 2 in FIG. 9 has also shown the placement location automatic calculation server similarly to FIG.

  In FIG. 9, first, an order (shown as “order A”, “order B”, “order C” in FIG. 9) is received from an orderer (customer), and production is performed in process K1 in the production management department. A process K1a for grouping lots is performed. In the production management department that performs the process K1a, the order information of orders A to C from a plurality of orderers is organized and summarized for each product, each standard, and each length.

The storage location determination system 100 has a function of determining a storage location by performing a prior simulation before the production of a steel product in order to optimally set a storage location of the steel product, that is, a storage location, and to eliminate a replacement work. Yes. In other words, prior to the production of steel products, by automatically creating an optimal placement plan in advance, it is possible to prevent situations in which replacement work is required when carrying out stored steel products. is there.
In the production management department, after the production lots are arranged and organized in the process K1a, a production plan for the steel product is drawn up based on the arranged production lots (process K1b). The production plan drafted in the process K1b is immediately sent to the automatic placement location calculation server 2, and the product placement plan is automatically drafted in the placement placement automatic calculation server 2 (step K11).

In automatic planning, it is configured to select what is to be prioritized, such as storage efficiency and production efficiency of the storage site. Depending on the conditions, the production order is also changed here. A specific procedure or process executed in the automatic placement arrangement planning process K11 will be described later with reference to FIG.
The steel product placement plan (denoted by reference numeral K12 in FIG. 9) designed in the process K11 is transmitted to a crane transportation department (a department that executes the transportation process K9, details will be described later).

The steel product storage plan K12 automatically planned in the process K11 displays the positions to be stored in the product storage in the detailed units summarized in the production order in the production plan.
In the illustrated embodiment, each detail of the production plan is linked (linked) to the contract, and the packing method, the destination of the product, and the scheduled delivery date are clearly displayed. In addition, the placement state after the end of rolling, that is, the position stored in the placement, the type and number of products, are also displayed in each detail of the production plan.
The placement plan K12 automatically created in the process K11 is recalculated by changing various masters and conditions when it is an operational problem whether it is optimal (placement placement automatic calculation server 2 shown in FIG. 8). The arrangement plan confirmation block 91). If the automatically planned placement plan K12 is optimum, the placement plan K12 is transmitted to a department involved in the storage of steel products, for example, the crane transportation department K9, and stored in a database (not shown).

The storage location determination system 100 has a function of associating (linking) a placement instruction plan with a production plan and transmitting the production plan associated with the placement plan to each department. By having such a function, it is possible to produce steel products in consideration of the storage location and to efficiently use the storage location (storage location). In addition, when there is a defective product in the produced steel product, it is possible to promptly execute compensation measures in each process in the production of the steel product in order to manufacture a steel product that compensates for the defective product. It becomes. In addition, there is a case where defective products should be placed in a storage place (place).
Although illustration is abbreviate | omitted in FIG. 9, the production plan linked | related with the place plan is the information arrange | positioned in the equipment which performs each process of the crane production process K9 in the material production process K2-a product conveyance crane in a steelmaking factory one by one. It is distributed to the terminal via an information network (not shown).

In the steelmaking factory that performs the material production process K2, the material, that is, the crude steel is produced based on the production plan. The produced material (crude steel) is sent to the heating furnace K3 and heated. And after heating, it is sent to rolling process K4 and rolled. The rolled steel material is cut to a required length (corresponding to the contract) with a saw blade or shear blade in the cutting step K5.
Here, in the cutting process K5, it is performed according to a predetermined cutting length and cutting order based on the production plan.

Here, in the cutting step K5, there is a case in which the product of the planned length cannot be obtained due to the rolling extension length of the rolled steel material, and the length of the product is unscheduled (in this case, the product is shorter than the production plan). Become a product. Since it is necessary to store the unscheduled product in the yard, even when an unscheduled product is generated, the production plan and the yard plan are recalculated in consideration of the information.
In addition to this, in the department that performs the cutting process K5, the planned product length and the planned number of products are recorded in a format that can be compared with the actual product length and the actual number of products, and automatically distributed to each process. Has been. This is because it is used as information for securing the length and number of the ordered steel products by comparing the planned numerical values with the actual results.

The product cut in the department of the cutting process K5 is sent to the department that executes the rating process K6. In the product rating process K6, the products cut in the cutting process are inspected, and regular products and defective products are sorted. The distributed product specifications, product length, rating results, and number are automatically distributed to each process.
The inspection for distributing the regular product and the defective product may be performed mechanically by automatic control, or may be performed by an inspector.
The result of the distribution inspection between the regular product and the defective product is sent to the placement location automatic calculation server 2, and the product placement plan automatic planning step K14 is performed based on the inspection result. In the process K14, when the production number of steel products is reduced from the order number determined in the contract due to the occurrence of defective products, and the production plan is changed and the situation is dealt with, the steel production is changed based on the changed production plan. It is executed to optimize the use efficiency of the product.
The placement plan (recalculation result) calculated by the process K14 is indicated by reference numeral K15, and the placement plan K15 is transmitted to the crane transport department K9.
Information on defective products is sent to the production management department via the department that performs the material addition process K13, and used in the production planning process K1b.

For a product that is rated and certified as a regular product, a contract assignment process K7 is performed based on a contract for each orderer. The steel products for which the contract assignment process K7 has been completed are packed under contract conditions that differ for each orderer (process K8). In the packing process K8, packing is performed for each orderer and for each product type and length.
If many defective products are produced in step K6, the defective products may also be packed.

When performing the product packing process K8, there are products produced outside the plan and products that were planned but not produced. Therefore, in the product packaging process K8, at the timing when the steel product to be packed is received, the contract allocation process is performed based on the actual number of steel products determined to be regular products, and the location to be stored at the storage site (location plan) ) Is recalculated. The produced regular products are associated with destinations (contract allocation processing), packing methods, placement plans, and the like.
At this time, the recalculated place plan is automatically distributed to each process.

  Here, “contract allocation processing” means, for example, that there are 3 customers (orderers) who have ordered, the total number of contracts is 30, and 10 of these are defective products. This refers to the process of determining the number of products to be shipped to each customer according to the priority (reserved priority) for the 20 steel products determined to be regular products. In this case, the 10 defective products will be produced again by producing a production plan as a steel product to be allocated to a consumer with low priority.

For the product determined to be defective in the process K6, the destination is not calculated, and is associated with only the placement plan.
Further, the method for packing defective products is determined in advance as a standard method (for example, packing defective products every five pieces).

The finished product is transported to a storage place (preparation yard) and stored in the crane transport process K9 (process K10).
A computer (for example, a PC) that can be wirelessly connected to a network is installed in advance on the crane for carrying out the process K9, and the computer is provided with an operation status browsing function for the cutting process K5 to the packing process K8, so that the operation is not scheduled. Even if it is necessary, even if it is an unplanned (unplanned) product, it can be efficiently transported to the storage site.

Moreover, the computer of the crane for conveyance has a function which can browse the latest placement instruction information in consideration of the operation results of the previous process, and in accordance with the latest placement instruction information, It has a function of registering the results of conveyance to a predetermined position.
Moreover, when the computer of the crane for conveyance is conveyed to a place different from the place determined in the place plan for any reason, it has a function of registering that fact as a record.

The placement location automatic calculation server 2 can recalculate the placement plan at the timing when the above-mentioned various results (placement results) are registered in the computer of the transport crane. Then, the recalculated placement plan can be automatically distributed to the department that executes each process.
In the storage (preparation yard), the steel product is stored according to the storage plan, and when the shipping date arrives, the steel product is unloaded from the storage and shipped (step K10).

FIG. 10 shows the entire automatic planning control of the placement plan by the storage location determination system 100.
In FIG. 10, in step S <b> 1, the constraint condition is registered by the constraint condition unit 3. Specifically, the operator of the input device 30 of the constraint condition unit 3 considers the details of the contract concluded with the orderer, the operating status of the steel product manufacturing facility, etc. The restriction condition master creation block 32 of the restriction condition unit 3 registers the restriction condition master, or corrects the restriction condition master.
Here, the constraint condition is registered as fixed information. As described above, as the constraint conditions, for example, there are those listed below.
(1) Storage size (including standard parcels)
(2) Maximum mountain distribution width, standard mountain distribution width, minimum mountain distribution width (3) Maximum mountain distribution height, standard mountain distribution height, minimum mountain distribution height (4) Mountain distribution interval (5) Packaging for each product Size (6) Mambo cross section size, Mambo length (7) Other

Here, when the constraint condition is fixed information, as the variation information, for example, the contents listed below are input to the units 4 to 8 described above with reference to FIGS.
Fluctuation information (1) Production plan (Product name, standard, length, number, cutting order)
(2) Contract information (customer or orderer, destination, product name, standard, length, number, packaging)
(3) Scheduled withdrawal date for each contract (delivery date)
(4) Allocating priorities (for example, prioritizing production of products to orderers with strict delivery times, and later production of products to orderers with slow delivery dates)
(5) Place usage (information on free space in the place)
(6) Other

In step S <b> 2 of FIG. 10, the production plan is input in the production plan unit 5. For example, the production plan is read in the rolling order and is temporarily stored in a storage means (not shown) (retracted to the work area).
The production plan stored in step S2 is called and processed again in the subsequent steps, but the time for calling the stored production plan at the time of processing is shortened, and the time spent for planning the storage plan is shortened. Therefore, all the production plans are read in step S2 and temporarily stored in a storage means that can be easily accessed. In other words, all the details of the production plan are prefetched in order to reread the production plan in a later step.

In step S3, contract information is input in the contract information unit 4. At the time of input, all the contract information corresponding to the production plan read in step S2 is read and stored (saved in the work area).
This is because, like step S2, the time for calling the contract information in the subsequent various steps is shortened, and the time spent for the planning of the place is shortened.

In step S4, the placement location calculation unit 8 acquires information regarding the free space of the placement. More specifically, it reads the latest (previous) site planning results recorded in the site usage master and information on the actual placement of steel products in the site, and the storage of steel products at each site is performed. Information about possible areas (free areas) is acquired.
Step S4 will be described later with reference to FIGS.

In step S5, processing for associating (linking) the contract information with the production plan is performed. In this specification, such processing may be displayed as “link”.
Specifically, in step S5, the (order) information and the production plan information are read, and the contents of the corresponding contract information, for example, “order No.”, “number of packages”, for each detail of the production plan information, “Orderer”, “Delivery date”, etc. are added.
The “production plan contract linking” process in step S5 will be described later with reference to FIGS.

In step S6, the constraint condition master is read.
The constraint condition master read in step S6 will be described later with reference to FIGS.

In step S7, whether or not a new mountain is allocated only with a steel product (production lot) produced according to the production plan (“new mountain distribution”) or the steel product is already arranged and the production lot concerned It is judged whether the steel products related to can be stacked (“stacked”).
As will be described later, it is preferable to “stack” as much as possible in order to efficiently use the storage place (storage place).
If it is determined in step S7 that steel products are already arranged and steel products related to the production lot are to be stacked (step S7 is “stack”), the process proceeds to step S8. On the other hand, if it is determined in step S7 that new mountain distribution is performed only with the production lot (step S7 is “new mountain distribution”), the process proceeds to step S9.

In step S8, the stacked mountain allocation is verified.
That is, it is verified whether or not the steel product related to the production lot produced this time can be placed on the steel product already placed in the storage area, and if it can be placed, the placement schedule is planned.
Here, there are the following two conditions that the steel product related to the production lot produced this time cannot be placed on the steel product already placed in the storage area.
(1) Steel products whose delivery date is later than the delivery date of the uppermost steel product in the steel products already stacked cannot be placed.
If a steel product with a slow delivery date is stacked on a steel product with a fast delivery date, when the steel product is unloaded from the storage site during the delivery date of the steel product with a fast delivery date, This is because it is necessary to arrange in another place, and so-called “replacement” must be performed.
(2) Products that are longer than the base length of the place (size that can be placed in the place) cannot be placed.
If a long product (for example, 23 m in length) is stacked on the upper stage of an extremely short product (for example, 8 m in length), it will cause a load collapse. Moreover, the edge part side of the long product piled up on the upper stage hangs down, and causes the quality of steel products to deteriorate. For these reasons, products that are longer than the base length cannot be placed.

“Verification of stacked mountain allocation” in step S8 will be described later with reference to FIGS.
If the process of step S8 is completed, the process proceeds to step S9.

In step S9, mountain distribution verification for each product length is performed.
Specifically, in step S9, it is verified whether or not the number of product packages of the same length packed with the same type of steel products is large enough to form a single mountain arrangement.
If there is an amount that the package can form a mountain alone, the mountain alone is formed only by the package.
When there is not enough quantity to distribute alone, the distribution is formed together with other lengths of packaging (mixed loading).
Step S9 will be described later with reference to FIGS.

In the next step S10, verification of the single row and double row of the placement is performed.
In step S10, the product length of the same steel product is checked, and it is verified whether to arrange in a single row or in a double row in order to effectively use the storage space.
The processing method of “single row / double row verification of placement” in step S10 will be described later with reference to FIGS.
If step S10 is completed, the process proceeds to step S11.

In step S11, the storage position (arrangement) of the steel product in the yard is determined based on the information obtained by the processes in steps S10 to S10.
The “placement determination process” in step S11 will be described later with reference to FIGS.
After step S11 is completed, the process proceeds to step S12.

In step S12, the placement plan confirmation block 91 of the placement placement calculation unit 8 confirms the placement placement plan automatically prepared in step S11.
Information to be confirmed in step S12 is the following two points.
(1) Placement of the production lot indicated for each production plan detail.
(2) Product placement schedule for each place and information on steel products already placed in the planned placement area.
As a result of confirmation in step S12, when it is determined that the arrangement plan prepared in step S11 is not optimal (step S12 is NG), the process proceeds to step S13.
On the other hand, as a result of the confirmation in step S12, if it is determined that the arrangement plan prepared in step S11 is optimal (YES in step S12), the process proceeds to step S14.

  In step S13, since it is determined that the arrangement plan prepared in step S11 is not optimal, the calculation conditions such as the constraint condition, various masters, and the production plan are changed, the process returns to step S2, and step S2 and subsequent steps are repeated.

In step S14, it is determined that the arrangement plan prepared in step S11 is optimal, and the arrangement plan is automatically distributed to each of the processes K1 to K10 (FIG. 9) on the production site.
As a mode of automatic distribution, for example, it is transmitted to a computer arranged in a department that executes each of the processes K1 to K10 via a network (not shown).
Thus, the process is completed.

FIG. 11 shows details of step S4 of FIG.
Hereinafter, referring to FIG. 11 and also referring to FIG. 12 to FIG. 17, the information on the plan result of the placement plan in the previous control cycle and the information on the arrangement of the steel products in the actual placement recorded in the placement specification master is read. A description will be given of the control for acquiring information on the free area (placement free area) of each place (control for obtaining information on the free area of the place).
In step S21 of FIG. 11, for example, a constraint condition master as shown in FIG. 12 is read, information on the place use priority (from which place the steel product is placed), and the place placement method / direction (which part of the place) Information on whether or not to proceed with the arrangement of steel products) (see step S6 in FIG. 10).

Here, the constraint condition master illustrated in FIG. 12 is in each place (for example, place 1, place 2, place 3),
Information on which place to place the steel products (in the example of FIG. 12, the steel products are arranged in the order of place 1 → place 3 → place 2),
Information on whether to make a new mountain or pile up (to pile up steel products related to a new production lot at a place where steel products are already located),
Information on placement method and direction (information on where to use the place), information on priority of use of the place (information on what kind of steel products are given priority),
Are shown in table or matrix form.

In the example of FIG. 12, regarding the placement location method and direction, in the placement location 1, the steel product starts to be placed from the north side region, and the placement of the steel product proceeds toward the south side region.
In the yard 2, the arrangement of the steel products starts from the north area, and the arrangement of the steel products proceeds toward the south area.
In the yard 3, the arrangement of the steel products starts from the south area, and the arrangement of the steel products progresses to the north area.

In FIG. 12, the placement of steel products starts from the north side area as in the place 1 and the place 2 and the steel product placement proceeds toward the south side in FIG. Will do.
And when the arrangement of steel products starts from the south area and the arrangement of the steel products progresses to the north area as in the place 3 of FIG. 12, the X direction address is descending in FIG. Become.

FIG. 13 shows a state (plan view) of the steel product storage place (stock yard) YD as viewed from above, and FIG. 14 shows a state (front view) of the storage place YD as viewed from the front.
In FIGS. 13 and 14, a region M indicated by hatching is a region (placement use area) where a new steel product cannot be newly placed, and a region Ee that is not hatched is a placement free area, that is, steel. This is an area where products can be newly placed.
The outline of the X direction, the Y direction, and the Z direction in FIGS. 13 and 14 is expressed in FIG.

In step S22 of FIG. 11, the placement specification master (see FIG. 16) is read one by one. Then, in the next step S23, it is determined whether or not the processing from steps S24 to S26 has been completed for all placements (placement 1 to placement 3) in the placement specification master as shown in FIG.
16 for all the placements (places 1 to 3), the place size, the mambo size, the spacing between the mountains, the place use information (steel products have already been placed, and more are accumulated. The position information or coordinates indicating a region that cannot be used), the shipping date (delivery date) of the steel product at the top of each mountain, etc. are shown.

If it is determined in step S23 in FIG. 11 that the processes from step S24 to S26 have been completed for all the placements (placement 1 to placement 3) (YES in step S23), the placement of the placement in step S4 in FIG. End the free area acquisition process.
On the other hand, if the processing from step S24 to S26 has not been completed for all the placements (placement 1 to placement 3) (step S23 is NO), the process proceeds to step S24.

In step S24, the size (size) of the place is acquired.
In the storage space free area information illustrated in FIG. 17, the storage space size (size) is managed in the vertical, horizontal, and height directions, and the unit is shown in meters in FIG. Here, as shown in FIGS. 13 to 15, the vertical direction is the X direction, the horizontal direction is the Y direction, and the height is the Z direction.

In step S25, the placement usage information of the placement specification master of FIG. 16 is acquired.
Here, the place use information in FIG. 16 is information indicating a situation in which the steel product is actually placed at the place when the process for obtaining the place free area (step S4 in FIG. 10) is performed. Such information is shown in areas of usage area 1 to usage area n in FIG.
The placement usage information in FIG. 16 includes the content (placement plan) determined in the immediately preceding placement plan planning process. Alternatively, the placement utilization information in FIG. 16 reflects information (how steel products are arranged in the placement) when the steel products are actually placed in the placement by actual operation.
Here, in one place, steel products are arranged in a plurality of mountain arrangements. In order to express this, the usage area 1 to the usage area n are displayed in the placement usage information in FIG.

In the illustrated embodiment, in order to display (manage) the position of the placement use area, each address in the X direction, the Y direction, and the Z direction shown in FIGS. (Distance from the starting point Ps in FIGS. 13 and 14) is displayed (managed).
Specifically, in FIG. 16, for example, the storage area where the steel products cannot be stacked any more is indicated by the X-direction address, Y-direction address, and Z-direction address of the start point and end point. Here, the start point is the point Ps in FIG. 15, and the end point is the point Pe in FIG. By displaying the start point and end point expressed in three dimensions, the position of the placement use area is displayed in three dimensions.
The starting point Ps in FIG. 15 is the same position as the starting point Ps in FIG.

In step S26, based on the information acquired up to step S25, that is, information on the size (size) of the place and the place use area (area where the product has already been placed and cannot be placed any more) Find the area that can be placed.
As a basic idea of the process in step S26, the storage area (the area where the product is already placed and the steel product cannot be placed beyond that) is subtracted from the storage size (the size of the entire storage building). Then, an empty space (area where steel products can be placed) is determined.
Here, when subtracting the placement use area from the placement size to obtain a free space for the placement, the X-direction address, the Y-direction address, and the Z-direction address described with reference to FIGS. 13 to 15 are utilized. .

The method for obtaining the empty area (area where the steel product can be arranged) in step S26 will be described in detail according to the procedure. Obtaining an area (empty area) where a steel product can be placed means computing information to be displayed in FIG. 17 and completing FIG. 17.
First, since there may be a plurality of empty areas for one place, the empty areas are represented by numbers (empty area numbers) in FIG.
As described above, in order to express the area of the empty area, the X-direction address, the Y-direction address, and the Z-direction address of the start point and the end point are used (free address information).

In a vacant area, when steel products have already been arranged up to the middle stage in the Z direction (when arrangement has already been made but steel products can be newly stacked above), the uppermost stage Ask for product shipment date.
Then, the size (size) of the empty area is obtained based on the empty address information (X-direction address, Y-direction address, and Z-direction address at the start and end points of the empty area).

Next, “arrangement priority” in FIG. 17, that is, the priority among the empty areas is obtained. In order to obtain the priorities of the vacant areas, “placement specification priority” and “placement placement method / direction” of the constraint condition master illustrated in FIG. 12 are used.
An example of a place (place 1) having a high place place priority order in FIG. 12 is illustrated.
First, in accordance with the “placement placement method / direction” of FIG. 12, the place 1 is searched from the north, that is, in the direction of “north → south” (X direction, see FIG. 13). To do.
As a result of the search in the X direction, the empty area in which the X-direction address of the start point is first found has the highest priority. Hereinafter, the order in which the X-direction address of the start point is found is set as the priority of the empty area.

In a plurality of empty areas, when the X-direction address of the starting point is the same, the smaller Y-direction address of the starting point has priority. In other words, when the X-direction address of the start point is the same, when searching from the start point toward the end point in the Y direction, the order in which the Y-direction address of the start point is found becomes the priority order of the free addresses.
If the priority order (placement priority order) in the empty area is obtained by the procedure described above, a placement placement plan is made according to the obtained priority order.

In this way, when the placement empty area information in the format illustrated in FIG. 17 is obtained, it is stored in a database (not shown) of the placement placement calculation unit 8.
When the process of step S26 is completed for one place, the process returns to step 22 again, and the processes after step S22 are performed.
As described above, the routines of step S22 to step S26 are continued until the vacant area information as shown in FIG. 17 is created for all the yards (place 1 to place 3).

FIG. 18 shows details of step S5 (contract linking process of production plan) in FIG.
Hereinafter, based on the flowchart of FIG. 18, with reference to FIGS. 19 to 22, the contract (order) information and the production plan information are read, the “contract No. (order No.)”, the number of packages, the orderer in the production plan. Processing for adding contract information such as delivery date (production plan contract linking process) will be described.
The number of packing means how many steel products are packed together, and is different for each orderer.

In step S31 of FIG. 18, the contract information temporarily stored in the storage means easily accessible in step S3 of FIG. 10 is rearranged in the order of late delivery. When the produced steel products are stacked in the same empty area, the steel product with the later delivery date is arranged below (first production), and the steel product with the earlier delivery date is arranged above (later production). This is because the labor of replacement is not required when carrying out the steel product.
In the next step S32, the “number of allocations” is provided as a new item. Then, the same value as the number of orders in the contract information is entered in the “number of allocations”. That is, the number of orders in the contract information is copied to obtain the “number of allocations”.
Here, FIG. 19 shows a table of information in which production plans are arranged in the order of production, and FIG. 20 shows contract information in a state where the processing of step S31 has already been completed.

  In step S33, the production plan (FIG. 19) temporarily stored in the storage means in step S2 of FIG. 10 is read one by one (one line at a time) in production order (see the leftmost column in FIG. 19), In step S34, it is determined whether or not the processing in steps S35 to S464 has been completed for all data in the production plan (all data in production order 1 to 18 in FIG. 19).

In step S34, if the processing in steps S35 to S464 has been completed for all data in the production plan (all data in production order 1 to 18 in FIG. 19) (YES in step S34), the processing shown in FIG. (Processing of step S5 in FIG. 10) ends.
On the other hand, if the processing in steps S35 to S464 has not been completed for all data in the production plan (all data in production order 1 to 18 in FIG. 19) (NO in step S34), the process proceeds to step S35. .

In step S35, in the contract information rearranged in order of late delivery (FIG. 20), the contract information is read one by one (one line at a time) for each contract information corresponding to “contract No.”. In the example of FIG. In order from the information B-1 downward, the contract no. One contract information (one line) is read up to A-4. If contract information (FIG. 20) rearranged in order of late delivery date is read one by one (one line at a time), the process proceeds to step S36.
In step S36, the production plan read in S33 (see FIG. 19) and the contract information read in step S35 (see FIG. 20) are compared, and “product name (product type)” and “standard” are compared. , “Product length” (“product name (product type)”, “standard”, and “product length” are collectively referred to as “key”) is determined. If the production plan and the contract information key are the same (YES in step S36), the process proceeds to step S37. If not the same (NO in step S36), steps S35 and S36 are repeated.

  In other words, in step S36, it is determined whether or not the production plan read in step S33 and the contract information read in step S35 correspond to each other, thereby searching for contract information corresponding to the production plan. It is. As will be described later by taking the product a having a length of 13 m as an example, the production plan and the contract information must be performed for a product having the same “key”. For this reason, the production plan for the product a having a length of 13 m in step S33. If one line is read, the contract information on the product a having a length of 13 m (contract information having the same “key” as the production plan line read in step S33) is obtained by a routine in which steps S35 and S36 are NO. It is picked up.

In step S37, it is determined whether or not the provision number of contract information read in step S35 (see the rightmost column in FIG. 20) is zero.
If the number of provisions of the contract information is not zero (NO in step S37), the process proceeds to step S38.
If the number of allocations is zero (YES in step S37), the contract information has already been linked to the production plan, so that the processing after step S38 is unnecessary. Therefore, returning to step S35, new contract information is read.

In step S38,
“Temporary allowance” = “Contract information allowance” − “Production plan production”
The numerical value expressed by the following formula is obtained as the “provisional provision number”.
Here, the “number of contract information allocations” is the numerical value in the rightmost column of FIG. 19, and the “production number of production plan” is the numerical value in the rightmost column of “number” in FIG. 18.
If the number of provisional provisions is obtained in step S38, it is determined whether or not the number of provisional provisions is greater than or equal to zero (the number of provisional provisions ≧ zero) (step S39).
If the provisional allocation number is zero or more (YES in step S38), the process proceeds to step S40. On the other hand, if the provisional allocation number is not greater than or equal to zero (NO in step S38), the process proceeds to step S43.

In step S40, the provisional provision number obtained in step S38 is set as the provision number of the contract condition shown in the rightmost column of FIG.
In the next step S41, information such as “contract No.” in the contract information, the number of packages, the delivery date, the orderer name, etc. is added (set) to each line of the production plan (FIG. 18).
In step S42, based on the set number of packings, the packing size (packing size) is obtained from the product specification master shown in FIG. 21, and added (set) to each line of the production plan (FIG. 18). Then, the process returns to step S33.
As a result of performing steps S41 and S42, the production plan in FIG. 18 is associated with various types of information as shown in FIG.

In step S43 (step S39 is NO), the “production plan remaining number” is obtained according to the following equation.
Production plan remaining number = Production number of production plan−Provision number of contract information Here, the production plan remaining number is related to the contract information and the amount associated with the contract information in the production number or the number in the production plan details. In the case where there is a portion that is not connected, it means a portion that is not associated with the contract information (number of production or number). In other words, it is the number of steel products produced or the number of steel products that are not linked to the contract information within the number or number of steel products produced in a certain production plan.
In step S44, the number of provisions of contract information shown in the rightmost column of FIG. 19 is set as the number of production plans shown in the column near the center of FIG.
In the next step S45, information such as “contract No.” of the contract information, the number of packages, the delivery date, the orderer name, etc. is added to each line of the production plan (FIG. 18).
In step S46, the packing size (packing size) is obtained from the product specification master of FIG. 21 based on the set number of packings.

In the next step S451, in the production plan of FIG. 22, a new detail (row) is added immediately below the detail (row) read in step S33 in the control cycle (the linking process is performed). To do.
In the new details (rows) added, the same contents as the details (rows) of the production plan read in step S33 are set for the product name, standard, length, and number.

In step S452, zero is set to the number of provisions of contract information read in contract information step S35 linked to the production plan at that time.
In step S453, in the contract information rearranged in the order of late delivery (FIG. 20), the contract information is read one by one (one line at a time) for each contract information corresponding to “contract No.”, and the process proceeds to step S454.
In step S454, the production plan read in step S33 (FIG. 19) is compared with the contract information read in step S453 (see FIG. 20) to determine whether or not the “key” is the same. If the “key” is the same (YES in step S454), the process proceeds to step S455. If the “key” is different (NO in step S454), the process returns to step S453 to read one new contract information. Through the steps S453 and S454, the subsequent processing is performed for contract information having the same key as the production plan (FIG. 19) read in S33.

In step S455, it is determined whether or not the number of provisions of contract information read in step S453 (see the rightmost column in FIG. 20) is zero. If the number of provisions of the contract information is not zero (step S455 is NO), the process proceeds to step S456.
If the number of allocations is zero (YES in step S455), the contract information has already been linked to the production plan, and the processing after step S456 is unnecessary, so the process returns to step S453, and a new contract is established. Read information.

In step S456,
“Temporary allowance” = “Contract information allowance” − “Production plan remaining”
The numerical value expressed by the following formula is obtained as the “provisional provision number”.
If the number of provisional provisions is found in step S456, it is determined whether or not the number of provisional provisions is zero or more (temporary provisioning number ≧ zero) (step S457). If the number of provisional provisions is zero or more (step S457). Is YES), the process proceeds to step S458. On the other hand, if the provisional allocation number is not greater than or equal to zero (NO in step S457), the process proceeds to step S461.

In step S458, the provisional allocation number obtained in step S456 is set as the allocation number of the contract information read in step S453.
In the next step S459, information such as “contract No.” of the contract information, the number of packages, the delivery date, the orderer name, etc. is added (set) to each line of the production plan (FIG. 19).
In step S460, a packing size (packing size) is obtained from the product specification master shown in FIG. 21 based on the set number of packings, and added (set) to each line of the production plan (FIG. 19). Then, the process returns to step S33.
As a result of performing steps S459 and S460, the production plan in FIG. 19 is associated with various types of information as shown in FIG.

On the other hand, in step S461 (NO in step S457), the number of production plans read in step S33 is set as the provision number of contract information read in step S453.
In the next step S462, information such as “contract No.” of the contract information, the number of packages, the delivery date, the orderer name, etc. is added to each line of the production plan (FIG. 19).
In step S463, based on the set number of packings, the packing size (packing size) is obtained from the product specification master of FIG.
In step S464, a new detail line is added to the production plan shown in FIG. Then, the process returns to step S452.

As a result of the above-described processing (the processing described in FIGS. 18 to 22), the production plan has the contents associated with various types of information, as shown in FIG.
In other words, the production plan (table) after tying in FIG. 22 is stored in association with the information in FIGS.

The above-described processing will be described in more detail while exemplifying a production plan and contract information regarding a product having a length of 13 m in FIG. 19 to FIG. 22 and a product name “a” and a standard “NA”. .
For such products, the production plan details (line in FIG. 19) whose production order is 8 to 11 in FIG. B-3 and contract no. This corresponds to the contract information (line in FIG. 20) according to A-3.

In step S33, the production plan details in production order 8 are first read from the production plan of FIG.
In step S35, the contract No. in the uppermost row in FIG. A contract relating to a product (length 13 m, product name “a”, standard “NA” product) having the same key as the production plan details of production order 8 read in step S33 but read in order from B-1. Otherwise, NO is determined in step S36. In step S35 and step S36, the contract No., which is the product having the same key as the production plan details in the production order 8 and the latest delivery date, is the contract information. Information of B-3 is read.
The number in production order 8 in FIG. 19 is 3, and the contract No. in FIG. The number of provisions in B-3 is five.
Therefore, the number of provisional provisions obtained in step S38 is 5-3 = 2,
Since 2 ≧ zero, “YES” is determined in the step S39, and the process proceeds to the step S40.

In step S40, the contract No. The number of allocations for B-3 is changed from 5 to 2 for the provisional allocation.
In step S41, the contract No. is added to the production plan details (row) in production order 8. Information in B-3 is added. Further, in step S42, information on the packing size related to the product a is extracted from the product specification master of FIG. 21 and added to the production plan details (row) in the production order 8. Then, the process returns to step S33.

In step S33, the production plan details of the production order 9 in FIG. 19 are read.
In step S35, the contract No. in the uppermost row in FIG. B-1 are read in order, but in step S36, the contract No., which is the product having the same key as the production plan details in the production order 8 and has the latest delivery date, is obtained. Information of B-3 is read.
Here, in step S40 of the previous cycle, the contract No. Since the allocation number of B-3 is two and is not zero, it is determined as NO in Step S37, and the process proceeds to Step S38.
In step S38, contract no. Since the number of allocations for B-3 is 2 and the number of production order 9 is 4, the provisional allocation number is 2-4 = -2, and -2≤zero, so step S39 is NO, Proceed to S43.

In step S43, the remaining number of production plans is obtained in accordance with the above-described formula “the number of remaining production plans = the number of production plans produced—the number of contract information allocated”.
As described with respect to step S38, the number of productions (production number) in the production plan details in the production order 9 is four. Since the number of allocations for B-3 is 2, the remaining number of production plans is 2 (= 4-2).
In step S44, as the number of production plans in production order 9 in FIG. Two are set as the allocation number of B-3.
In step S45, the contract No. Information in B-3 is added. In step S46, the information about the packing size related to the product a is extracted from the product specification master of FIG. 21 and added to the production plan details (row) in the production order 9.
By the processing of steps S44 to S46, the production plan details (row) in the production order 9 in FIG. 19 become the production plan details (row) in the production order 9 in FIG.

In step S451, a new detail (row), that is, a production plan detail (row) of “production order 9.1” is added immediately below the detail (row) of production order 9 in FIG.
For the production plan details (row) in the production order 9.1, the items (product name, standard, length, number) shown in the production plan in FIG. 19 are the details (row) in the production order 9 in FIG. The same number is set.
However, in the production plan details (row) in the production order 9.1, as described later in step S459, the contract No. Corresponding to A-3. Therefore, in the production plan details (row) in the production order 9.1, “A-3” is displayed in the column “Contract No.” in FIG. 22, and other items (packaging) associated with the contract information are displayed. Number, orderer, delivery date, etc.) The contents of the contract information A-3 are set.

In step S452, the contract number read in step S35. The number of provisions for B-3 is set to zero.
In step S453, the contract No. in the uppermost row in FIG. Contract information is read in order from B-1. Here, in step S454, the contract No., which is the product having the same key as the production plan details in the production order 9 read in step S33 and has the latest delivery date. B-3 is selected, but the contract No. In B-3, since the number of allocations is zero in step S452, YES is determined in step S455. The product has the same key as the production plan details in the production order 9, and the contract No. Contract No. which is the contract information with the next delivery date next to B-3. A-3 is read.
Contract No. Since the allocation number of A-3 is “10 (books)”, NO is determined in the step S455, and the process proceeds to the step S457.

In step S457, the provisional allocation number is obtained by the following equation.
Number of provisional provisions = number of provisions of contract information−remaining number of production plans In this example, as described above, contract No. Since the number of allocations of A-3 is “10 (books)” and the remaining number of production plans is 2 in step S43, the provisional number of allocations is 8.
Since “8 ≧ 0”, step S457 is determined to be YES, and the process proceeds to step S458.
In step S458, the contract No. The number of provisions for A-3 is “8 (= 10−2)” as the number of provisional provisions.
In step S459, the contract No. is added to the production plan details (row) in the production order 9.1 added in step S451. A-3 “Contract No.”, “Number of packing”, “Delivery date”, “Orderer”, etc. are set.
In step S460, information on the packing size related to the product a is extracted from the product specification master of FIG. 21 and added to the production plan details (row) in the production order 9.1. Then, the process returns to step S33.

In step S33, the production order in FIG. Ten production plan details are read.
In the cycle immediately before this cycle, the contract No. read in step S35. In the contract information of B-3, since the number of provisions is set to zero in step S452, in steps S35 to S37, no. As the contract information in which the key is the same as the production plan details of 10 and the number of provisions is not zero, the contract No. Contract No. with earlier delivery date than B-3. Select the contract information of A-3.
In step S38, the contract No. The number of allocations of A-3 is 8 (= 10-2) in step S458 in the immediately preceding control cycle. Since the production number of 10 production plan details is 4, the provisional allocation number is “4 (= 8−4)”.
Therefore, step S39 becomes YES and proceeds to step S40.
In step S40, the contract No. The number of provisions for A-3 is four, the number of provisional provisions. The contract No. The content of A-3 is added, and in step S42 No. The packing size is added to the ten production plan details, and the process returns to step S33.

In step S33, the production order is No. 11 production plan details are read, and in steps S35 to S37, the contract no. The contract information A-3 is selected, and steps S38, S39, and S40 to S42 are repeated.
In step S38 of this control cycle, the contract No. The number of allocations of A-3 is 4 (= 8-4) in step S40 in the immediately preceding control cycle. Since the number of production of eleven production plan details is four, the provisional allocation number is “zero (= 4-4)”.
In step S38, the contract No. The number of provisions of A-3 is zero, so the contract information shown in FIG. 20 having the product name a, the standard NA, and the key of 13 m in length has the same key production plan (production order). Are all associated with No. 9 to No. 11).

By associating the contract information with the production contract, there is an advantage that it is possible to easily determine whether the number of products produced is excessive or insufficient with respect to the order by the contract.
Here, if the production plan already exists in the state as shown in FIG. 22, the processing from FIG. 18 to FIG. 22 in the illustrated embodiment (the processing in step S5 in FIG. Contract linking process) is not required.

FIG. 23 shows details of step S8 (verification of stacked mountain arrangement) in FIG.
Hereinafter, with reference to FIG. 24 to FIG. 29 based on FIG. 23, it is verified whether or not the steel products produced by the production plan can be stacked in the empty area (placement empty area). If it is possible to arrange), the process of planning the arrangement schedule, that is, “stacked mountain allocation verification” will be described.

In step S51 of FIG. 23, the constraint condition master (see FIG. 24) is read to acquire the constraint conditions. Here, it is desirable to register reserved storage information as a constraint condition (added to the constraint condition master) when it is desired to secure a storage site in advance due to circumstances such as production schedule until approximately one month ahead. .
The constraint condition master of FIG. 24 has an entry for placement reservation information as compared to the constraint condition master of FIG. Then, in consideration of the case where there are a plurality of placement reservations, only n items of placement reservations can be added in FIG. 24 (“Reservation n” in FIG. 24).

In the next step S52, a place where stacking is possible is extracted.
Since the empty area information shown in FIG. 25 is obtained by the process of acquiring the empty area (place empty area) described with reference to FIGS. 11 to 17, the empty area information is read in step S52. Then, from the read vacant area information, vacant area information in which the shipment date of the steel product arranged at the uppermost stage of the vacant area (“the uppermost product shipment date” in FIG. 25) is extracted.
FIG. 26 shows the free area information extracted in step S52 from the free area information of FIG. 25, that is, the free area information that can be stacked.

Here, when determining whether or not a steel product can be further arranged (used as an empty area) above an area where a steel product has already been arranged, the "top product shipment date" The “shipment date of the product to be placed from now on” is compared, and if the “top product shipment date” is later than the “shipment date of the product to be stacked”, the product is not stacked.
By always placing products with an early shipment date upward, it is not necessary to replace steel products, that is, to move the products on top to another place and take out the steel products below. is there.

In FIG. 25, when a new steel product can be stacked in the vacant area in the previous control cycle, the earliest shipment date among the steel products arranged in the top row is “the top product shipment”. Registered as "day".
As described above, in order to eliminate the need for replacement work when carrying out the steel product, the steel product with the earlier shipment date is placed above the steel product with the later shipment date. This is because the steel product arranged in the upper stage is the steel product with the earliest shipping date in the area.
In FIG. 25, for the areas that cannot be stacked, the “top product shipment date” column is blank.

In step S53, the production plans are rearranged. For example, it can be rearranged in “descending order of delivery date (in order of late delivery date)” or “in ascending order of rolling order (in order of early rolling)”.
FIG. 27 shows a state where the production plans after the processing from FIG. 18 to FIG. 22 (contract linking of production plans) are rearranged in descending order of delivery date in step S53.

In step S54, one production plan detail (one line in FIG. 27) in the production plan rearranged in step S53 (for example, shown in FIG. 27) is read.
In step S55, it is determined whether or not the verification in steps S56 to S60 has been completed for all details (all rows) of the production plan.
If the verification of steps S56 to S60 has been completed for all the details (all rows) of the production plan (YES in step S55), the processing of FIGS. 23 to 29, that is, step S8 of FIG. End the verification method).
If verification of steps S56 to S60 has not been completed for all the details (all rows) of the production plan (NO in step S55), the process proceeds to step S56.

In step S56, the stackable empty area information (FIG. 26) extracted in step S52 is read, and in the next step S57, it is determined whether or not reading of all the empty area information has been completed.
If reading of all free space information has been completed (YES in step S57), free space areas corresponding to the production plan details read in step S54 have been set (or it has been found that they cannot be stacked). Therefore, the process returns to step S54 to associate the free space area information corresponding to the new production plan details, and the steps after step S54 are repeated.
On the other hand, if reading of all the storage space area information has not been completed (NO in step S57), the process proceeds to step S58.

In step S58, the product specification master (FIG. 28) corresponding to the product name in the read production plan details (production plan line) is read, and information regarding the packing size (cross-sectional, vertical and horizontal sizes after packing) is acquired.
In step S59, it is verified whether or not the steel products related to the production plan (product plan details or product plan line) read in step S54 can be stacked.

In step S59, when verifying whether or not steel products can be stacked, there are the following three conditions for stacking.
Condition 1: The product shipment date read in step S54 is compared by comparing the date of product shipment in the uppermost stage in the vacant space with the delivery date in the production plan (product plan details or product plan line) read in step S54. The delivery date is faster.
Condition 2: The arrangement size in the horizontal direction (Y direction in FIG. 13) in the empty space is larger than the length of the steel product in the production plan (product plan details or product plan line) read in step S54 ( long).
Condition 3: The number of packages in the production plan read in step S54 can be stacked in the storage space area.

Here, when examining the condition 3 in the above-mentioned “conditions for enabling stacking”, the following three calculation formulas are used.
Formula 1
(Placeable space available size / vertical) / (Production plan packing size / horizontal) = quotient (rounded down)
Here, the “packaging size of the production plan” is the size of the packaging in the production plan read in step S54. “Vertical” and “Horizontal” will be described later.
The “quotient” in the calculation formula 1 indicates the number of packages in one stage.
Formula 2
(Possible size / height of empty space in the storage area) ÷ (Production plan packing size / vertical) = quotient (rounded down)
The “quotient” in the calculation formula 2 indicates the number of stages of how many stages of packing (packings related to the production plan read in step S54) can be stacked on the arrangementable size of the storage space area.
Formula 3
The number of packages in one stage × the number of packages = the number of packages that can be arranged The “number of packages that can be arranged” obtained by the calculation formula 3 is a package that can be stacked in the vacant space that is the object of verification (read in step S54) This shows the number of packaging) related to the production plan.

If the number of packages that can be arranged determined by the calculation formula 3 is larger than the number of steel products packaged in the production plan (production plan details or production plan line) read in step S54, the production plan The planned steel products can be stacked in the vacant space that is the subject of verification.
In other words, it is determined that stacking is possible when the inequality that the number of packages that can be arranged ≧ the number of packages in the production plan is satisfied.

Here, in the calculation formula 1 and the calculation formula 2, “placeable size / horizontal of the placement empty area information” corresponds to the length direction of the product and is the Y direction in FIG.
The “placeable size / vertical size of storage space area information” corresponds to the width direction of the cross section of the product packaging and is the X direction in FIG.
“Packaging size / horizontal of production plan” means the width of the cross section of the product packaging, and corresponds to the X direction in FIG.
“Placeable size / height of placement empty area information” is the Z direction in FIG. “Production plan packing size / vertical” means the height of the cross section of the product packing state, and corresponds to the Z direction in FIG.

In the next step S60, in the process up to step S59, the steel product related to the production plan (production plan details or production plan line) read in step S54 can be stacked in a certain vacant area. Since it is determined that the placement area is narrowed by the placement of the steel product, it is determined that the placement space area information shown in FIG. 25 is immediately after stacking the steel products related to the production plan. The contents are updated to the contents indicating the arrangementable size and the free address.
Further, information (stacking information) related to the layout available area size and the vacant address determined to be stackable is added to the production plan (production plan details or production plan line) read in step S54. FIG. 29 shows a production plan to which information (determined storage location information) related to the placement available area size and free address is added.

In FIG. 29, in the case where stacking is not possible, the decision place information is blank.
Note that the “arrangeable size” described above is shown as a value subjected to additional processing in the column of determined placement information in FIG.
After step S60 is completed, the process returns to step S56, and step S56 and subsequent steps are repeated.
Then, the verification for the vacant space information is completed (YES in step S57), and the verification as to whether or not all the details (rows) of the production plan can be stacked in the vacant space area is completed ( Step S55 is YES), and step S8 (verification of stacked mountain allocation) in FIG. 10 ends.

FIG. 30 shows details of step S9 (mounting verification for each product length) in FIG.
Hereinafter, with reference to FIG. 31 to FIG. 34 based on FIG. 30, whether or not steel products of the same type and the same length can form one mountain (one mountain), that is, “product length” “Verification of mountain arrangement according to the length” will be described.

In step S61 of FIG. 30, the production plans are rearranged in ascending order (in ascending order) of product names and lengths.
Here, the production plan in step S61 refers to, for example, production plan data that has been allocated as shown in FIG. 31, that is, linked to the contract information in step S5 in FIG. In step S8), the production plan is added with information related to the arrangement in the storage site.
In step S61, for example, the production plans in FIG. 31 are rearranged in ascending order of product name and length as shown in FIG. In FIG. 32, for example, the result of counting for a steel product of 12 m is shown, but such processing is performed in the next step S62.

In step S62, the rearranged production plans are read, and the number of packages for each product and each length is totaled. At this time, the vertical (height, Z direction) of the packing size is the maximum value of the vertical (height, Z direction) of the packing size in the aggregation base (details of the aggregated production plan or each line in the aggregated production plan). Set.
Note that the width (width) of the packing size does not change even if the number of packings is increased due to aggregation.

In step S62, the production plan to which the contract information and the decision place information are already added as shown in FIG. 31 is targeted, but the details (row) of the production plan in FIG. 31 are the same type (same product). And even if the steel products of the same length are counted, even if the steel products are of the same type and the same length, the number of packaging (number of steel products to be one packaging, Or, a numerical value indicating the size of the packaging) may be different.
For the verification of whether steel products can form a pile, the size of the packaging is an important factor, and it is aggregated as a representative value of the “length of packaging size (value in height or Z direction)”. The largest value was adopted in the details of the production plan (aggregation basis).
However, instead of the maximum value, it is also possible to adopt “the vertical (height) of the packing size” of the packing with the largest number of packings in the details (counting base) of the totaled production plan.

Details of the production plan in which the placement is already determined in the stacked distribution verification process (the process described with reference to FIGS. 23 to 29) in “Verification of distribution according to product length” described in FIGS. 30 to 34. ) Is excluded from the processing described in steps S63 to S71.
For example, the production plan details (rows) shown in rolling order 5 in FIG. 31 are not displayed in FIG. 32 because the placement has already been determined and excluded from the processing described in steps S63 to S71.

In step S63, the details of the production plan (FIG. 32) in which the number of packages is totaled are read one by one (one line at a time). In step S84, all the details (all lines) in the production plan (FIG. 32) are read in step S65. It is determined whether or not the verification of S71 is completed.
If verification of steps S65 to S71 is completed for all the details (all lines) of the production plan (FIG. 32) (YES in step S64), step S9 (mounting verification for each product length) in FIG. 10 is performed. finish.
On the other hand, if the verifications in steps S65 to S71 have not been completed for all the details (all lines) of the production plan (FIG. 32), the process proceeds to step S65.

In step S65, the corresponding product master (FIG. 28) is read, and information regarding the size of the mountain distribution is acquired.
In the next step S66, the number of stacks in the height direction of the mountains (the number of mountains) is determined. The number of hills is calculated using the following formula.
“Standard height of product specification master” ÷ “Vertical packing size of production plan”
Here, “mountain height standard of product specification master” is a numerical value shown in the “standard” column of “mountain height” in FIG. 28, for example, and “packaging size vertical of production plan” is, for example, in FIG. It is a numerical value shown in the “Vertical” column of “Packing Size”.
Round off the decimal point of the numerical value of “quotient” in the above formula to determine the number of hills.

In step S67, the number of rows of mountain arrangement is obtained based on the number of mountain arrangement steps obtained in step S66. The number of rows in the mountain arrangement can be obtained by the following formula.
“Number of packings in production plan” ÷ “number of distribution steps determined in step S66”
The number of packages in the production plan is, for example, a numerical value shown in the “number of packages” column in FIG.
Round up the number of the “quotient” in the above formula to determine the number of rows of mountains (number of rows of mountains).

In step S68, the width (length) of the mountain distribution is obtained based on the number of mountain arrangement rows obtained in step S67. The width (length) of the arrangement is calculated by the following formula.
“Next to the packing size of the production plan” × “the number of mountain rows arranged in step S67”
“Production plan packaging size horizontal” is a numerical value shown in the “horizontal” column of “packaging size” in FIG. 32, for example.

In step S69, the value of the mountain distribution width (length) obtained in step S68 is compared with the numerical value shown in the “standard” column of “mountain width” in the product specification master shown in FIG. It is determined whether or not.
If the value of the mountain distribution width (length) obtained in step S68 is less than the “standard” value of the “mountain width” in the product specification master of FIG. 28 (YES in step S69), the process proceeds to step S70.
On the other hand, if the value of the mountain distribution width (length) obtained in step S68 is equal to or greater than the “standard” value of the “mountain width” in the product specification master of FIG. 28 (NO in step S69), the process proceeds to step S71. move on.

In Step S70, the value of the mountain distribution width (length) obtained in Step S68 is smaller (not satisfied) than the value of “Standard” of “Mountain width” in the product specification master of FIG. Therefore, it is determined that it is impossible to form a single mountain arrangement, and the mountain arrangement is made with steel products having different lengths.
That is, it is determined that products of a plurality of lengths are mixedly loaded in one mountain distribution, and so-called “mixed mountain distribution” is performed.

In step S70, the following two points are stored.
(1) The corresponding product (steel product related to the production lot according to the production plan specification read in step S63) is mixed with steel products having different lengths (the same type of steel products) and distributed.
(2) Number of rows of mountain arrangement and number of steps of mountain arrangement.
If step S70 is completed, the process returns to step S63 and repeats step S63 and subsequent steps.

In step S71, since the value of the mountain distribution width (length) obtained in step S68 is equal to or greater than the value of “standard” of “mountain width” in the product specification master of FIG. 28, the product of the corresponding length (step The steel product related to the production lot according to the production plan details read in S63 is distributed alone. That is, it is determined that so-called “single mountain allocation” is performed.
At this time, the following two points are stored.
(1) Place a single mountain for each product and length.
(2) The number of rows of mountains and the number of steps of mountains.
If step S71 is completed, the process returns to step S63 and repeats step S63 and subsequent steps.

FIG. 33 shows the state of the production plan after “mounting verification processing for each product length” in FIG. In FIG. 33, the mountain distribution method column (the central part of the table in FIG. 33) is determined and entered in step S9 in FIG. 10 (mounting verification for each product length).
The details (row) of the “rolling order” 5 in FIG. 33 is the “details (row) of the production plan whose placement has already been determined” described in step S62.
In step S64, for example, for all the details (rows) in the production plan as shown in FIG. 32, items to be entered in the “mounting method” column (mixed or single distribution, number of columns of distribution, If the number of steps of the mountain arrangement) is determined, it is judged that the verification of whether or not steel products of the same type and the same length can form one mountain arrangement (one mountain) has been completed, FIG. Step S9 (mounting verification for each product length) is completed.

FIG. 34 exemplifies determining whether a steel product of the same type and the same length is to be mixedly loaded or to be a single mountain by the processing described in FIGS. 30 to 33. .
In the example of FIG. 34, since the mountain distribution width (length) of the 8 m product exceeds the mountain distribution width standard determined by the product specification master, it is determined as the single mountain distribution.
For all products other than 8m products, the mixed mountain distribution is because the mountain distribution width (length) obtained by the processing described with reference to FIGS. 30 to 33 is less than the standard mountain distribution width determined by the product specification master. It is judged.

The determination result illustrated in FIG. 34 matches the content described in the “mounting method” column in FIG.
Here, the direction indicated by “mounting height / standard” in FIG. 34 indicates the Z direction in FIG. 14. The direction of “mountain width / standard” in FIG. 34 indicates the X direction in FIG. 13. A direction perpendicular to the paper surface in FIG. 34 indicates the Y direction in FIG.

FIG. 35 shows details of step S10 (single row / double row verification of placement) in FIG.
Hereinafter, with reference to FIG. 36 to FIG. 44 based on FIG. 35, verification of whether steel products of the same type and the same length should be arranged in a single row or in a double row in a place ( That is, “single-row double-row verification of placement”) will be described.
Here, “single row” and “double row” are, for example, the case where only one mountain arrangement can be formed in the lateral direction (Y direction in FIG. 13) of the storage place due to the length of the steel product in FIG. Or “single-row placement”), and a case where a plurality (two in FIG. 42) of mountain arrangements can be formed is “double-row (or double row placement)”.

In step S81 of FIG. 35, the placement specification master (FIG. 16) of the place to be verified (placement place) is read, and information on the size (size) in the vertical direction (X direction in FIG. 13) of the place; Information on the size in the horizontal direction (Y direction in FIG. 13) and the maximum number of rows of mountain arrangement (numerical values indicating how many mountain arrangements can be formed, for example, in the horizontal direction or Y direction in the arrangement target storage site) And get information.
In step S <b> 82, it is determined whether or not the maximum number of mountain arrangements for the placement target yard is 1. If the maximum number of mountain arrangements is not 1 (NO in step S82), the process proceeds to step S83. If the maximum number of mountain arrangements is 1 (YES in step S82), the process proceeds to step S87.

Steps S <b> 83 to S <b> 86 are processes performed when it is determined that there are multiple columns because the maximum number of columns for mountain allocation is not one.
In step S83, the data of the steel product to be mixed and distributed is extracted from the production plan (FIG. 36) for which the distribution verification has been completed.
FIG. 37 summarizes the data of the extracted steel products and creates a table.
In addition, the details (row) of the production plan (for example, the production plan details of rolling order 5 in FIG. 29) whose placement has already been determined in the stacked mountain allocation verification processing (the processing described in FIG. 23 to FIG. 29) is step S83. To be excluded from the processing described in S89.

In step S84, the combination which comprises a double row is calculated | required for every kind and length of a product.
Here, it is necessary to satisfy the following calculation formula as a condition for arranging the steel products in a double row.
Length 1 + Length 2+... Length n ≦ placement size / horizontal Here, “placement size / horizontal” means the size of the place in the horizontal direction (Y direction in FIG. 13). The symbol “n” in “length 1 + length 2+... Length n” is the maximum number of rows in the placement specification master.
For example, when the maximum number of columns is 2 (n = 2), the above calculation formula is length 1 + length 2 ≦ placement size / horizontal.

Products with a length that does not satisfy the above formula (length 1 + length 2+... Length n ≦ placement size / width) are not placed in double rows but in single rows.
FIG. 38 shows the result of extracting the combination of the double columns when the maximum number of columns is two (n = 2) as the product length. FIG. 39 shows a steel product (indicated by a length) that is a single-row product and has not entered the double-row combination as shown in FIG.
In the illustrated embodiment, the placement size / horizontal (Y-direction size in FIG. 13) is 23 m. Therefore, the above equation in the illustrated embodiment is
Length 1 + length 2 ≦ 23 m

In step S85, as shown in FIG. 40, an optimal combination (example of a combination of lengths of steel products in FIG. 40) in the case of arranging in a double row is obtained.
In obtaining the optimum combination, first, in the combination obtained in step S84 (for example, the combination shown in FIG. 38), the length 1, length 2,... Sort in the order of things → short ones. That is, the descending order of the length is used as the rearrangement key.
For example, when the maximum number of columns is 2, the sort key (descending order of length) is
Length 1 (the longer length in the combination) → length 2 (the shorter length in the combination).

FIG. 40 shows the result of rearranging combinations satisfying the condition of step S84 (in the figure, the condition of “length 1 + length 2 ≦ 23 m”) using the rearrangement key (descending order of length) in step S85. .
A combination that satisfies the condition of step S84 (in the figure, the condition of “length 1 + length 2 ≦ 23 m”), and the combination having the longest total length is when the length 1 is 15 m and the length 2 is 7 m (Total length = 15 + 7 = 22 m) and such a combination is shown first in FIG. 40 (topmost in FIG. 40). Then, data at the beginning of the data after the rearrangement (descending order) (the combination shown in FIG. 40) (the combination with the length 1 of 15 m and the length 2 of 7 m) is adopted as the optimum double column combination. (Determination of base length).
FIG. 41 shows a steel product that is a single-row product and does not enter the double-row combination as shown in FIG.

In step S86, a mountain distribution method is determined.
In step S86, from the optimal double-row combination obtained in step S85 (in the example shown, the combination of length 1 being 15 m and length 2 being 7 m), the following procedures (1) to (4) are followed. Determine the mountain distribution method.
(1) Length 1 ≧ mountain “1”> length 2
(2) Length 2 ≧ Mounting Mountain “2”> Length 3
(3) Length n ≧ mounting mountain “n”
(4) Products with a single row length When the maximum number of rows is 2 (n = 2) as in the example shown in the above (1) to (4), the following procedure (1 ′) To (3 ′).
(1 ′) Length 1 ≧ Mounting Mountain “1”> Length 2
(2 ') Length 2 ≧ Arrangement “2”
(3 ') Product with single row length

Step S86 will be described by exemplifying numerical values in the illustrated embodiment.
First, the double-row optimum combination obtained in step S85 has a length 1 of 15 m and a length 2 of 7 m, and the total length is 15 m + 7 m = 22 m (≦ the limit size of the placement size / horizontal is 23 m) .
In this combination, the base length is 15 m (determination of the base length).
Referring to the example rearranged in step S85 (FIG. 40), the length of the target steel product (steel product forming the mixed mount) is 6 m, 7 m, 12 m, 15 m, and 20 m.

With reference to the procedure of step S86, the determination of the mountain allocation will be described using the mountain allocation “I”, “RO”, “HA” in FIG. 42 as an example. Here, FIG. 42 shows the arrangement of the mountain arrangements “I”, “B”, and “C”.
The mountain arrangement “I” in FIG. 42 corresponds to the mountain arrangement “1” in step S86, the mountain arrangement “B” in FIG. 42 corresponds to the mountain arrangement “2” in step S86, and the arrangement in FIG. The mountain “ha” corresponds to the mountain arrangement “3” as described in step S86.
In FIG. 42, the placement size (size) / vertical indicates the X direction in FIG. 13, and the placement size (size) / horizontal indicates the Y direction in FIG.

The length (1 ′) of the point (1 ′) in step S86 ≧ the mountain arrangement “I”> the length 2
15m ≧ mountain mountain “I”> 7m
Thus, the mountain arrangement “I” satisfying such a condition is arranged in double rows of 15 m in length and 12 m in length. In such a mountain arrangement “I”, the base length is 15 m.
The length (2 ′) of the point (2 ′) in step S86 ≧ the mountain “ro” is
7m ≧ Arrangement “Ro”
Therefore, the mountain arrangement “B” satisfying such a condition is arranged in double rows of 7 m in length and 6 m in length. In such a mountain arrangement “B”, the base length is 7 m.
And the remaining 20 m steel products constitute a mountain arrangement “C” as a single row. The base length of the mountain arrangement “C” is 20 m.
If the mountain distribution method is determined in step S86, the process proceeds to step S88.

In step S87 (YES in step S82), the processing is performed when the maximum number of mountain arrangements of the placement specification master is one (n = 1).
In step S87, according to the mountain distribution method obtained in the process described in FIG. 30 to FIG. 34 (“mounting verification for each product length” in step S9 in FIG. 10) and whether the mixed mountain distribution or single mountain distribution, Ask for temporary mountains.
In step S87, both the mixed mountain distribution and the single mountain distribution are assumed to be one temporary mountain distribution. In other words, the mixed mountain distribution is one temporary mountain distribution, and the single mountain distribution is also one temporary mountain distribution.
If temporary mountain distribution is obtained in step S87, the process proceeds to step S88.
Note that the term “temporary mountain allocation” means the mountain distribution determined in the process described with reference to FIGS. The mountain arrangement is officially determined after the processing described later in FIGS. 45 to 48 (step S11 in FIG. 10) is completed, and the mountain arrangement is officially determined in the processing described in FIGS. Therefore, in the description of the processing shown in FIGS. 35 to 44, the mountain distribution determined by such processing is described as “temporary mountain distribution”.

In step S88, the number of columns in the first row of the mountain distribution is determined. Specifically, the heights indicated in the “height” column of “placement size” in the place specification master (FIG. 16) are the products with the same mountain placement or temporary placement obtained in steps S86 and S87. Based on the dimensions, the number of rows that can be arranged in the first row is determined according to the following procedures (1) to (4).
Procedure (1) Total number of packaging of products with the same provisional distribution information and distribution (the products with the same distribution or temporary distribution).
Procedure (2) For the packaging of products with the same provisional mountain allocation information and mountain allocation, obtain the maximum value of “Packing Size / Vertical”.
Even when the number of packages is different, the “packing size / length” (packing height) is different, but the packaging with the largest height is adopted.

Procedure (3) Determine how many packs can be placed in the yard (number of steps) using the following formula.
“Height dimension indicated in the“ Height ”column of“ Storage size ”in the storage specification master (FIG. 16)” ÷ “Package size / vertical + mambo size / height obtained in the procedure (2)” = "Number of steps (rounded down)
Information about “mambo size / height” is also acquired from the storage specification master (FIG. 16).
Procedure (4) The number of columns in one stage is obtained by the following formula.
“Total number of packages determined in step (1) (total number of packages for temporary distribution information / packages with the same distribution)” ÷ “Number of steps determined in step (3)”
= "Number of columns per stage (rounded up to the nearest decimal point)"

In step S89, the mountain distribution method obtained in step S88 is added to the production plan as temporary mountain distribution information.
Then, the production plan to which the temporary mountain allocation information is added is stored in a database (not shown) of the storage location calculation unit 8.
Thereby, the process (single-row / double-row verification of placement) in step S10 in FIG. 10 ends.

In other words, the processing of step S10 of FIG. 10 (single-row double-row verification of placement) described in FIGS. 35 to 44 is performed as temporary allocation information, whether mixed loading is possible, allocation (temporary allocation), This is a process for obtaining the number of columns and the base length as a solution.
Here, whether or not mixed loading is possible is to determine whether mixed loading is performed using products of different lengths or whether only the same length is allocated.
“Mountain arrangement” indicates which arrangement is formed by the steel products produced by the production plan.
The number of rows in one row indicates how many rows of packages can be arranged in the first row of the mountain arrangement or the lowest layer of the mountain arrangement.
The base length is the maximum length of the product that can be placed in the target mountain.

43 and 44 show the production plan to which temporary mountain allocation information is added in step S89.
FIG. 43 shows a case where the maximum mountain arrangement row is 2 (n = 2). FIG. 44 shows a case where the maximum mountain arrangement row is 1 (n = 1).
The contents of the column of “temporary mountain distribution information” in the center in FIGS. 43 and 44 are obtained by this processing (the routine described with reference to FIGS. 35 to 42).

In FIG. 43, the mountain distribution method with a length of 20 m in the rolling order 3 has been determined to be mixed loading in the pre-processing “Verification of distribution for each product length (processing of FIGS. 30 to 34)”. , “Single row double row verification of the yard (the process described with reference to FIGS. 35 to 44)” is changed to a single mountain arrangement.
43 and 44, since the 8m mountain distribution method in the rolling order 8 is determined as the single mountain distribution in the pre-process "mounting verification for each product length (process of FIGS. 30 to 34)". The temporary mountain allocation “2” is set as a single mountain allocation. In FIG. 42, the mountain arrangement “2” is not shown.
In the example shown in FIGS. 43 and 44, it is assumed that the placement has already been determined for a steel product having a length of 11 m. Therefore, in FIGS. 43 and 44, “temporary mountain distribution information” is blank for a steel product having a length of 11 m.

FIG. 45 shows details of step S11 (placement determination) in FIG.
Hereinafter, a process for officially determining the placement of the steel product (“determination of placement” in step S11 of FIG. 10) will be described with reference to FIGS. 46 to 48 based on FIG.

45, in step S91, all the restriction condition masters (see FIG. 24) are read, and the restriction conditions for each place are acquired.
In step S92, all the placement specification masters (see FIG. 16) are read, and the specifications of each placement are acquired.
In step S93, all the vacant area information (see FIG. 17) is read, and the vacant area information of each yard is acquired.
In step S94, the details (row) of the production plan (FIGS. 43 and 44) to which the “provisional mountain allocation information” is added are read in a rolling order (one row).
In step S95, the product specification master (FIG. 28) corresponding to the production plan details (row) read in step S94 is read.

In step S96, it is determined whether or not the verification in steps S97 to S107 has been completed for all production plan details (all lines of the production plan).
When the verification of steps S97 to S107 is completed for all production plan details (all lines of the production plan) (YES in step S96), the process proceeds to step 108.
On the other hand, if the verification of steps S97 to S107 has not been completed for all production plan details (all lines of the production plan) (NO in step S96), the process proceeds to step S97.

In step S97, it is determined whether or not the production plan details (production plan line) read in step S94 have already been officially determined for temporary placement.
Here, “a temporary mountain placement has been officially determined” means that the placement has been determined by the processing of FIGS. 23 to 29 (“Verification of Stacked Mountain Distribution” in Step S8 of FIG. 10). Means. 43 and 44, the 11m production plan details in the rolling order 4 correspond to "the temporary storage area has been officially determined".
If the temporary mountain storage has been officially determined (YES in step S97), the process proceeds to step S99.
If the temporary mountain storage has not been officially determined (NO in step S97), the process proceeds to step S98.

In step S98, a placement where the base length of the temporary mountain allocation can be placed is searched from the placement free area information read in step S93 and secured. Here, “the base length of temporary mountain allocation is possible” means that the base length shown in the column of “temporary mountain allocation information” (FIG. 43, FIG. 44) in the production plan details read in step S94. This means that you can install a temporary mountain.
Here, when searching from the storage space information in step S98, the stacked space area is excluded. As described in relation to step S97, the production plan details (for example, FIG. 43, FIG. 43) where the placement is determined in the processing of FIGS. 23 to 29 (“Verification of stacked mountain allocation” in step S8 of FIG. 10). If it is 11m production plan specification of rolling order 4 in 44), step S98 is bypassed (step S97 is YES), and the process proceeds to step S99. In other words, in step S98, the production plan details that have not been officially determined (the row of the production plan details) are targets, and the targets other than the production plan details of rolling order 4 in FIGS. 43 and 44 are targets.

In step S98, when a free space where a temporary mountain can be set up can be secured, it is secured in “place”, “start point”, and “end point” in the “determined place information” column of the production plan details. Set (store) information on the designated free space in the storage area.
If the storage location cannot be secured, it is stored in a storage device (not shown) so that a warning can be given in later processing.
In step S99, the work packing counter is set to “zero”.
In step S100, the value of the work packing counter is incremented by 1 (work packing counter = work packing counter + 1).

  Here, the “Work packing counter” and the “Work column number counter” described later are controls provided to execute the processing in FIGS. 45 to 48 (“determination of placement” in Step S11 of FIG. 10) without omission. It is the above parameter and is not a concept used in an actual rolling process or the like.

In step S101, it is determined whether or not the value of the work packing counter exceeds the number of packings in the production plan details read in step S94.
When the value of the work packing counter exceeds the number of packings in the production plan details read in step S94 (YES in step S101), the storage space for placing the steel product packing related to the production lot of the production plan details It is determined that the area has been determined, the process returns to step S94, the next specification (next line) of the production plan is read, and step S94 and subsequent steps are repeated.
If the value of the work packing counter is equal to or less than the number of packings in the production plan details read in step S94 (NO in step S101), the process proceeds to step S102, and the numerical value of the work column number counter is incremented by 1 (number of work columns) Counter = Work column number counter + 1).

In step S103, it is determined whether or not the value of the work column number counter exceeds the “number of columns in one stage” in the production plan details read in step S94.
If the value of the work column number counter exceeds the “number of columns in one stage” in the production plan details read in step S94 (YES in step S103), the process proceeds to step S104.
On the other hand, if the value of the work column number counter is equal to or less than the “number of columns in one stage” in the production plan details read in step S94 (NO in step S103), the process proceeds to step S106.

In step S104, since the numerical value of the work column number counter exceeds the “number of columns of one stage” in the production plan details read in step S94, the maximum number of columns of one stage in the mountain arrangement has been reached. It is determined that it is necessary to arrange the package in the next stage (upper stage) of that stage (the arrangement of one stage is completed), and the package is stacked on the next stage of the mountain arrangement.
When packing is stacked on the next level of the mountain arrangement, the height direction address of the “next level” is the same as the height direction address of the “level” where the package has been placed until then. The numerical value in the “vertical” column of “packing size” in FIG. 28) and the “numerical value in the“ vertical ”column of“ mambo size ”in the placement specification master (FIG. 16)” can be obtained by addition. . The address in the height direction of the “next stage” is added to the address in the height direction of the “stage” stored so far and stored.

In step S104, the packing is stacked on the next stage, and the packing has not yet formed a line in the next stage. Therefore, in the next step S105, the work line number counter is set to zero.
After step S105, the process proceeds to step S106.
When the value of the work column number counter is equal to or less than the “number of columns in one stage” in the production plan details read in step S94 (NO in step S103), the packaging can still be arranged in the “stage”. It is. In this case, the process bypasses step S105 and proceeds to step S106.

In step S106, one package of product placement is performed. Then, the address in the horizontal direction (X direction shown in FIG. 13) when one package is added is obtained.
The address is the address in the X direction in the immediately preceding control cycle, the numerical value in the “horizontal” column of “packing size” in the product specification master (FIG. 28), and the “product interval” in the product specification master (FIG. 28). It can be obtained by adding the numerical value in the column.
In other words, the numerical value in the “horizontal” column of “packing size” in the product specification master (FIG. 28) and the numerical value in the “product interval” column in the product specification master (FIG. 28) are stored in the immediately preceding control cycle. It is added to the address in the horizontal direction (X direction shown in FIG. 13) and stored.

In step S107, the information on the placement position obtained in steps S104 to S106 is added to the production plan as “determined placement information” as shown in FIG.
And it returns to step S100 and repeats after step S100. Finally, the placement positions are determined for all the packages in the production plan (YES in step S96).

In step S108, the information created by the process described with reference to FIG. 45 is edited into an easy-to-read format. When editing in an easy-to-view format, as shown in FIG. 47, production plans are classified according to product types and lengths, and scheduled locations are displayed.
In addition, as shown in FIG. 48, the placement information will be used as a placement for each placement (in FIG. 48, “product name”, “length”, “number”, “product / packing”, “number of packings”). ”And“ delivery date ”), and information on existing product storage (“ storage ”in FIG. 48) is edited and output.
Further, for the placement specification master, the placement schedule is stored in the placement use information (see FIG. 16).
Step S108 is completed, and all the processes shown in FIGS. 45 to 48 (“determination of placement” in step S11 of FIG. 10) are completed.

According to the illustrated embodiment, the storage object (steel product) produced based on the production plan information and the content of the contract by the storage location calculation unit 8 that determines the location (storage plan) in the storage location YD as a storage location. Therefore, prior to the production of the storage object, a plan (placement plan) for efficiently arranging the storage object in the storage YD can be automatically determined.
In particular, according to the illustrated embodiment, when it is determined whether a new mountain arrangement is to be formed or piled up, it is newly produced in the area where the steel product has already been arranged (reference numeral M in FIGS. 13 and 14). If a steel product to be stacked can be stacked, the stacking is preferentially selected also by forming a new mountain arrangement, so that the storage objects are efficiently arranged in the storage YD. As a result, a situation in which a lot of useless space is seen in the storage YD is solved.

And according to embodiment of illustration, since creation of the arrangement plan (placement plan) which concerns can be performed automatically, compared with the conventional manual work, the arrangement plan (placement plan) of the steel product in the place YD ) Can be drastically reduced in labor and man-hours related to the creation of.
At the same time, even if there is no special labor or skilled technicians, it is possible to realize an efficient arrangement of steel products.

In the illustrated embodiment, in determining whether it is possible to stack a newly produced steel product in the region M where the steel product is already arranged, the region M where the steel product is already placed is determined. Only when the delivery date of the steel product positioned at the top is later than the delivery date of the newly produced steel product, the newly produced steel product can be stacked. Therefore, the work (replacement work) which temporarily arrange | positions the other steel products arrange | positioned to the information in another area | region in the delivery date of steel products becomes unnecessary.
As a result, the labor consumed for carrying out the steel product from the storage YD is drastically reduced.

  It should be noted that the illustrated embodiment is merely an example, and is not a description to limit the technical scope of the present invention.

The block diagram which shows the outline | summary of embodiment of this invention. The block diagram of the placement automatic calculation server in embodiment of this invention. The block diagram of the constraint condition unit in embodiment of this invention. The block diagram of the contract information unit in embodiment of this invention. The block diagram of the production plan unit in embodiment of this invention. The block diagram of the placement specification unit in the embodiment of the present invention. The block diagram of the product specification unit in embodiment of this invention. The block diagram of the placement arrangement | positioning arithmetic unit in embodiment of this invention. FIG. 3 is a process chart of ordering to shipping at a steel mill to which an embodiment of the present invention is applied. The flowchart which shows the control in embodiment of this invention. The flowchart of FIG.10 S4. The figure which shows the restrictions master in embodiment of this invention. The top view explaining the view of the place in the embodiment of the present invention. The side view of the place corresponding to FIG. The figure explaining management of the place use area in the embodiment of the present invention. The figure which shows the placement specification master in embodiment of this invention. The figure which shows the storage space | gap area information in embodiment of this invention. Flowchart of step S5 in FIG. The figure which shows the production plan in embodiment of this invention. The figure which shows the contract information in embodiment of this invention. The figure which shows the product specification master in embodiment of this invention. The figure which shows the production plan after the stringing in embodiment of this invention. The flowchart of step S8 in FIG. The figure which shows the constraint condition master in embodiment of this invention. The figure which shows the storage space | gap area information in embodiment of this invention. The figure which shows the storage space free area information which can be piled up in embodiment of this invention. The figure which shows the production plan after the stringing in embodiment of this invention. The figure which is the product specification master in embodiment of this invention, Comprising: The product specification master which filled in the standard and the product space | interval of mountain allocation. The figure which shows the state of the production plan which added the accumulation plan in embodiment of this invention. The flowchart of step S9 in FIG. The figure which shows the allocation production plan in embodiment of this invention. The figure which shows the production plan which rearranged in ascending order of a product name and length, and totaled the number of packings in embodiment of this invention. The figure which shows the production plan after the mountain distribution verification process for every product length in embodiment of this invention. The figure which shows the example of a judgment in the embodiment of this invention whether the mountain arrangement of a product and a length unit is mixed loading or independent. The flowchart of step S10 in FIG. The figure which shows the production plan of the contract provision after the mountain allocation verification process for every product length in embodiment of this invention. The figure which shows the table | surface which extracted the data of the length mixedly loaded from the production plan in embodiment of this invention. The figure which is a combination extraction result of the double column in embodiment of this invention, Comprising: The figure which shows the table | surface in case the maximum number of columns is 2. FIG. The figure which shows the product of every other row which did not enter into the combination of FIG. The figure which shows the table | surface which concerns on the combination of the double column after the combination rearrangement (descending order) of the double column in embodiment of this invention. The figure which shows the product of every other row which did not enter into the combination of FIG. The layout which showed the mountain arrangement image to the storage place in embodiment of this invention. The figure which shows the production plan memorize | stored the temporary storage place after the arithmetic processing in the embodiment of this invention in case the maximum number of arrangements of a placement specification master is 2. FIG. The figure which shows the production plan memorize | stored the temporary storage place after the arithmetic processing in the embodiment of this invention in case the maximum number of arrangements of a placement specification master is 1. FIG. The flowchart of step S11 in FIG. The figure which shows the production plan after the placement determination in embodiment of this invention. The figure which shows the production plan which edited the schedule place according to the product length in embodiment of this invention. The figure which shows the place information which edited the schedule place and the existing product place for every place in embodiment of this invention. The process figure which shows the flow of order-shipment of the steelworks in a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Host computer 2 ... Placement placement automatic calculation server 3 ... Restriction condition unit 4 ... Contract information unit 5 ... Production planning unit 6 ... Placement specification unit 7 ... Product specification unit 8: Arrangement calculation unit

Claims (6)

  A device (5) for storing production plan information for executing multi-product small-quantity production of storage objects, a device (4) for storing contract contents when an order for production of storage objects is received, production plan information and contracts And an apparatus (8) for determining the arrangement of the storage object produced on the basis of the contents in the storage place (YD), and the apparatus (8) for determining the arrangement in the storage place (YD) ) A function for determining an area (Ee) in which a newly produced storage object can be placed, and a new mountain arrangement is formed only by the produced storage object, or the storage object is already placed. A function for determining whether to pile up in the area (M), a function for determining whether or not it is possible to pile up the storage object produced in the area (M) where the storage object is already placed, Decide whether to form a new mountain or pile up If the storage object produced in the area (M) where the storage object is already placed can be stacked, it has a function of preferentially selecting the stacking. Storage location determination system characterized by   The device (8) for determining the arrangement in the storage location (YD) has a function of determining whether the mountain arrangement is formed only by the storage object having the same length or the storage object having a different length, and the storage The storage location determination system according to claim 1, which has a function of determining whether to arrange only a single mountain arrangement or a plurality of mountain arrangements in a certain direction of the place (YD).   The apparatus (8) for determining the arrangement in the storage location (YD) is a function for linking production plan information for executing multi-product small-quantity production of the storage object and the contents of the contract when the storage object is ordered. The storage location determination system according to any one of claims 1 and 2.   A process (S1) for storing production plan information for executing multi-product small-volume production of storage objects, a process (S2) for storing contract contents when an order for production of storage objects is received, production plan information and contracts The step (S11) of determining the arrangement of the storage object produced based on the content of the storage location (YD) in the storage location (YD). In the step (S11) of determining the arrangement of the storage location (YD), the storage location ( YD) determines an area (Ee) in which a newly produced storage object can be placed, and a new mountain is formed only by the produced storage object, or the storage object is already placed. Decide whether to pile up in the area (M), determine whether it is possible to pile up the storage object produced in the area (M) where the storage object is already placed, When deciding whether to form or pile up , If it is possible to stack already stored objects produced in the region (M) for storing the object is placed, storage location determination method and selects that stacking preferentially.   In the step (S11) of determining the arrangement in the storage location (YD), it is determined whether the mountain arrangement is formed only with the storage object having the same length or the storage object with a different length. The storage location determination method according to claim 4, wherein it is determined whether to arrange only a single mountain arrangement or a plurality of mountain arrangements in a certain direction of YD).   In the step (S11) of determining the arrangement in the storage location (YD), a request for linking the production plan information for executing the high-mix low-volume production of the storage object and the contents of the contract when the storage object is ordered. Item 4. The storage location determination method according to any one of Items 4 and 5.

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