WO2004092855A1 - 情報処理装置、情報処理システム、情報処理方法およびその記録媒体 - Google Patents
情報処理装置、情報処理システム、情報処理方法およびその記録媒体 Download PDFInfo
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- WO2004092855A1 WO2004092855A1 PCT/JP2004/005049 JP2004005049W WO2004092855A1 WO 2004092855 A1 WO2004092855 A1 WO 2004092855A1 JP 2004005049 W JP2004005049 W JP 2004005049W WO 2004092855 A1 WO2004092855 A1 WO 2004092855A1
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- virtual
- information
- order
- base material
- actual product
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- 230000010365 information processing Effects 0.000 title claims description 95
- 238000003672 processing method Methods 0.000 title claims description 10
- 238000012545 processing Methods 0.000 claims abstract description 81
- 230000004931 aggregating effect Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 103
- 238000000034 method Methods 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 24
- 238000005520 cutting process Methods 0.000 claims description 13
- 230000037303 wrinkles Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 description 77
- 238000010586 diagram Methods 0.000 description 22
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 230000007547 defect Effects 0.000 description 14
- 238000004364 calculation method Methods 0.000 description 11
- 230000005484 gravity Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 241000255925 Diptera Species 0.000 description 1
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/40—Minimising material used in manufacturing processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- Information processing apparatus information processing system, information processing method and recording medium thereof
- the present invention relates to an information processing apparatus, an information processing system, an information processing method, and an information processing apparatus for performing solution search for efficiently cutting a product coil (ordered product) from an actual steel product (base material) in the steel industry, for example.
- the present invention relates to the recording medium. Background art
- product coils iron coils manufactured according to orders
- the actual product parent coil
- the optimal solution for assigning the actual product to the product coil at this time and dividing and cutting the assigned actual product hereinafter referred to as “cuttering”.
- a method of generating a set that becomes a virtual order that is formed by combining multiple orders and assigning this set to the actual product By combining multiple orders into one set, it is possible to cut the board more efficiently than assigning each order to the actual product.
- a set is a virtual order that combines a plurality of types of width orders in accordance with the type of actual product width to minimize the remainder in the width direction.
- Figure 11 shows the relationship between multiple orders, sets, and the actual product (parent coil). As shown in Fig. 11, suppose there are orders a, b, and c with different widths and lengths. In Fig. 11, orders a, b, and c show the difference in width and do not show the difference in length. Set A, set B, and set C are generated using part or all of orders a, b, and c.
- Set A in Fig. 1 consists of 2 division areas a A according to order a, 1 division area b A according to order b, and 1 division area c A according to order c.
- a set of configurations that includes set B has a configuration that includes three divided areas c B according to order c. It is.
- Set C is a set including two divided areas a C corresponding to order a and two divided areas b C corresponding to order b.
- set A, B, and C are assigned to actual products X, Y, and ⁇ .
- product coils corresponding to orders a, b, and c are assigned to actual products X, Y, and ⁇ .
- planing method Other methods for assigning steel plate products include the following methods. First, steel slabs (product materials) are grouped on the basis of characteristics such as composition, quality, standard, and plate thickness. Next, the ordered product is rubbed based on the same characteristics as the billet. Next, a process for assigning the ordered product to the billet is performed on a group basis based on the above characteristics (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 6-1 4 9 8 5 0
- Patent Document 2 Japanese Patent Application Laid-Open No. 2 0 0 2-2 6 9 1 6 1
- Patent Document 3 Japanese Patent Laid-Open No. 6-1 4 2 7 2 4
- the optimal solution can be obtained in a certain amount of time by computer calculation if the order number: set number: current product number combination is up to about 10 and the actual product number. Although it can be obtained, there is a problem that if the number of orders and the number of actual products exceed this, the amount of calculations will increase dramatically, making it difficult to solve in a realistic time.
- the present invention has been made in consideration of the above-described circumstances, and is an information processing apparatus that can calculate an optimum solution for cutting a board that allocates a product coil according to an order to an actual product with a smaller amount of calculation.
- System, information processing method and recording medium thereof The porpose is to do.
- the present invention is preferably an information processing apparatus capable of calculating an optimum solution for cutting a board that allocates a product coil according to an order to an actual product with less calculation amount in consideration of information related to product coil defects.
- An information processing system, an information processing method, and a recording medium therefor are provided. Disclosure of the invention
- the present invention has been made to solve the above-described problems.
- a process of assigning an order product which is a product according to a plurality of orders, to any of a plurality of types of base materials.
- An information processing apparatus that performs information processing based on order information that is information on multiple orders and virtual base material information that is information on virtual base materials generated by aggregating multiple types of base materials.
- Virtual order generation means that generates a virtual order that combines some or all of multiple orders so as to be optimal, and allocation information that allocates the virtual order generated by the virtual order generation means to the optimal base material And assigning means.
- the virtual order generation means generates a plurality of virtual orders, assigns a plurality of patterns of virtual orders to each virtual base material, and evaluates them optimally. It is characterized by generating a virtual order by specifying a pattern.
- the virtual order generation means allocates a plurality of patterns of virtual orders to each virtual base material for at least the width yield of the virtual base material of the virtual order. It is characterized by evaluating.
- the assigning means assigns a virtual order to the base material with a plurality of assignment patterns and evaluates it to identify an optimum assignment pattern and generate assignment information. It is characterized by doing. In one embodiment of the information processing apparatus according to the present invention, the assigning means assigns virtual orders to the base material in a plurality of assignment patterns, and evaluates whether or not at least the base material is used at least. It is characterized by that.
- the base material has a width and a width. It is a plate-shaped or strip-shaped metal base material having a length, and the allocation information is information for specifying a width and a length for cutting out the ordered product from the base material.
- the base material information that is information on the plurality of types of base materials includes the heel information that is information on the heel of the base material
- virtual base material generation means for generating virtual base material information, which is information related to the virtual base material obtained by collecting the parts that do not include wrinkles based on the wrinkle information.
- the information processing system is an information processing system in which a plurality of devices are communicably connected to each other, and at least one of the plurality of devices is one of a plurality of types of base materials.
- This is an information processing device that performs the process of allocating ordered products that are products in response to multiple orders.
- the information processing device aggregates order information that is information related to multiple orders and multiple types of base materials.
- Virtual order that generates a virtual order that combines some or all of multiple orders so that it is optimal for the virtual base material based on the virtual base material information that is information about the virtual base material generated A generating means; and an assigning means for generating assignment information for assigning the virtual order generated by the virtual order generating means to the optimum base material.
- an information processing method using an information processing apparatus that performs processing for assigning an ordered product that is a product corresponding to a plurality of orders to any of a plurality of types of base materials.
- order information which is information related to multiple orders
- virtual base material information which is information related to virtual base materials generated by aggregating multiple types of base materials
- multiple orders can be optimized for virtual base materials. Having a first step of generating a virtual order in which a part or all of the virtual order is collected and a second step of generating allocation information for assigning the virtual order generated in the first step to the optimal base material. It is a feature.
- the recording medium is a recording medium that records a program for an information processing apparatus that performs processing for assigning an ordered product that is a product according to a plurality of orders to any of a plurality of types of base materials. Based on order information, which is information related to multiple orders, and virtual base material information, which is information related to virtual base material generated by aggregating multiple types of base materials, Virtual note that summarizes part or all of an order
- order information which is information related to multiple orders
- virtual base material information which is information related to virtual base material generated by aggregating multiple types of base materials
- FIG. 1 is a diagram showing a schematic configuration of an information processing apparatus according to the first embodiment of the present invention.
- FIG. 3 is a diagram illustrating an operation of the information processing apparatus 10 illustrated in FIG.
- FIG. 4A is a diagram showing a standard example common to a plurality of actual products in the present embodiment.
- FIG. 4B is a diagram showing a specific example of an order for the actual product having the standard shown in FIG. 4A.
- FIG. 4C is a diagram showing a specific example of the virtual actual product generated by the virtual actual product generation unit 24 in the present embodiment.
- FIG. 5 is a diagram showing sets 1 to 5 of a plurality of patterns generated by the set generation processing unit 25.
- FIG. 6 is a diagram showing evaluation values when assigning sets 1 to 5 in FIG.
- FIG. 7 is a diagram showing the evaluation values when assigning the sets 1 to 5 in FIG.
- FIG. 8 is a diagram showing a plurality of allocation patterns (cases A to E) generated by the allocation processing unit 26.
- FIG. 9 is a diagram showing evaluation values for each allocation pattern shown in FIG.
- FIG. 10 is a diagram illustrating an operation of the information processing apparatus 10 according to the second embodiment.
- Figure 11 shows the relationship between multiple orders, sets, and the actual product (parent coil).
- the information processing apparatus of the present embodiment is an ordered product (product coil) that is a product corresponding to a plurality of orders for any of the actual products (parent coils) that are strip-shaped steel products having a plurality of types of widths and lengths. ) Is assigned.
- FIG. 1 is a diagram showing a schematic configuration of an information processing apparatus according to the first embodiment of the present invention.
- reference numeral 10 denotes an information processing apparatus, which performs a process of assigning a plurality of ordered products (product coils) to any one of a plurality of types of actual products (parent coils) according to an order.
- the information processing apparatus 10 generates a set (virtual order) of a part or all of a plurality of orders according to the virtual actual product, and generates a set for the set.
- the process of assigning the ordered product to the actual product is performed as a result.
- the virtual actual product will be described in detail later.
- the 11 is an external terminal, which is a computer terminal that can communicate with the information processing apparatus 10 via the network 12.
- the network 12 is a public network such as the Internet or a dedicated line.
- the external terminal 11 may be an ordering terminal that transmits new order information, or a terminal for manufacturing information that transmits information on a newly manufactured item. Is preferred. That is, the external terminal 11 is a terminal that provides the information processing apparatus 10 with information that needs to be input / updated from the outside.
- the information processing apparatus 10 and the external terminal 11 described above include an input device such as a mouse or a keyboard, and a display device such as a cathode ray tube (CRT) or a liquid crystal display (not shown). May be.
- the information processing device 10 may directly input various information such as the order information described above from the input device.
- the information processing device 10 has a recording medium reading function, the information processing device 10 acquires the order information by reading the information from the recording medium on which the order information is recorded. Also good.
- Control. 2 1 is a transmission / reception processing unit that communicates with the external terminal 1 1 via the network 1 2.
- Reference numeral 2 2 denotes a database, which includes an order information database 2 2 a, an actual product information database 2 2 b, and a virtual actual product information database 2 2 c as information necessary for the process of assigning the product coil to the actual product described above.
- the order information database 2 2 a stores the order width (mm) and the order weight (kg) as order information.
- the thickness, specific gravity, material, and characteristics of the steel strip, which is the actual product for which an order is received are constant in order to simplify the explanation.
- the thickness, specific gravity, material and characteristics of the steel strip are not limited, and may be a treatment for steel strips having various thicknesses, specific gravity, materials and characteristics. Information specifying them is included in the order information.
- the virtual actual product information database 2 2 c stores information on the virtual actual product generated by the virtual actual product generation unit 24 described later as virtual actual product information. Specifically, it stores information about the width and length of the virtual actual product. Details of the virtual actual product information will be described later.
- the order management unit 23 is an order management unit, which manages the order information stored in the order information database 2 2 a. Specifically, the order management unit 23 selects order information to be collectively processed from the order information database 2 2 a. Further, the order management unit 23 manages whether or not the order information stored in the order information database 2 2a is the above-described assigned order information. In addition, when the transmission / reception processing unit 21 receives new order information, the order management unit 23 3 also performs processing to store the received new order information in the database 2 2 a.
- each virtual actual product is a value obtained by accumulating the length of the actual product that exceeds the width of each virtual actual product (hereinafter referred to as the total extension). This is assigned to the virtual product of the smallest width.
- the fact that a product coil can be assigned to a larger virtual actual product is used. In other words, it is possible to assign a virtual actual product longer to a product coil with a small width.
- Figures 2A and 2B show the relationship between the total length of the actual product and the length of the virtual actual product by width.
- the four types of products with widths of 900 mm, 9500 mm, 1 OOO mm, and 1500 mm have total lengths of 1 0 0 0m, 1 2 0 0 0m, It is assumed that there are 1 4 0 0 0 m and 1 3 0 0 0 m.
- the length of each virtual actual product (hereinafter referred to as the virtual actual product length) is as follows. become that way.
- Virtual actual product A has a width of 150 mm
- virtual actual product B has a width of 100 mm
- virtual actual product C has a width of 95 mm
- virtual product D has a width of 90 mm. is there.
- the virtual actual product generation unit 24 In the case of virtual actual product A, it is the maximum width, so the total extension of the actual product having a width of 10 5 Omm, 1 3 0 0 Om, is the virtual actual product length.
- Fig. 2B shows the relationship between the above-mentioned virtual actual product A (width 10 5 Omm) and virtual actual product B (width 10 00 Omm).
- virtual product B is
- the virtual actual product generated by the virtual actual product generation unit 24 The product information is stored in the virtual actual product information database 2 2 c.
- the 2 5 is a set generation processing unit, which includes order information which is information related to a plurality of orders referred to from the order information database 2 2 a and a virtual actual product generation unit 24 referred to from the virtual actual product information database 2 2 c. Based on the generated virtual actual product information, a set which is virtual order information in which some or all of a plurality of orders are aggregated so as to be optimal for the virtual actual product is generated.
- the set in the present embodiment is specified by a set width corresponding to the width of the virtual actual product and a set length corresponding to the length of the virtual actual product.
- the allocation processing unit 26 is an allocation processing unit that performs processing for allocating the set generated by the set generation processing unit 25 to the optimal actual product. Specifically, the allocation processing unit 26 identifies the optimal allocation pattern and generates allocation information by assigning and evaluating the set generated by the set generation processing unit 25 with multiple allocation patterns to the actual product. To do.
- the hoop length is the length of each product coil cut out from the actual product according to the order. This hoop length should meet the single weight constraints (maximum weight, minimum weight) and outer diameter criteria (maximum outer diameter of product coils) that limit the weight of individual product coils as specified by the customer. The range of length is determined for each order depending on the width, thickness and specific gravity of the product coil. In the following description, the maximum hoop length for each order is the maximum hoop length, and the minimum hoop length is the minimum hoop length.
- the information processing apparatus 10 can efficiently generate allocation information in which product coils corresponding to orders are allocated to a plurality of actual products based on a plurality of orders.
- Each processing unit of the information processing apparatus 10 shown in FIG. 1 may be realized by dedicated hardware, and each processing unit is configured by a memory and a CPU (central processing unit). It may be configured to implement a function by reading a program for realizing the function of each processing unit into a memory and executing it.
- the above memory is a non-volatile memory such as a hard disk device, a magneto-optical disk device, a flash memory, a recording medium that can only read CD-ROM, and a RAM (R andom Access Memory). Volatile memory It shall consist of memory or a computer readable / writable recording medium.
- FIG. 3 is a diagram illustrating an operation of the information processing apparatus 10 illustrated in FIG.
- the virtual actual product generation unit 24 of the information processing device 10 generates virtual actual products that are aggregated into a predetermined plurality of types of widths based on the actual product information referenced from the actual product information database 2 2 b (step S 1 )
- the virtual actual product information generated by the virtual actual product generation unit 24 is stored in the virtual actual product information database 2.
- the set generation processing unit 25 is optimal for the virtual actual product based on the order information referenced from the order information database 22a and the virtual actual product information referenced from the virtual actual product information database 22c.
- a set is generated by organizing some or all of the orders (step S 2). Specifically, the set generation processing unit 25 generates a set of multiple patterns and calculates an evaluation value using evaluation items such as “set width yield”, “order remaining”, and “excess area”. Then, the optimal set for the virtual actual product is generated based on the evaluation value.
- the “set width yield” is the ratio of the set width to the width of the virtual actual product.
- the “order remaining” is the remaining amount of the order after the set organization (for example, the remaining amount of the order area).
- the “excess area” is the excess of the total area of the generated set with respect to the total area of all orders organized in the set. A specific example of calculating the evaluation value will be described later.
- the set generation processing unit 25 generates a set so as to satisfy the following restrictions.
- Orders organized in the same set as the priority specified order shall have a width equal to or less than the “maximum virtual actual product width minus the priority specified order width”.
- a single order may be divided into multiple sets.
- the hoop length should satisfy the order outside diameter standard and the single weight constraint.
- an expression for obtaining the hoop length A and the hoop length B is shown.
- Hoop length ⁇ ⁇ ⁇ [(outer diameter ⁇ 2) 2 — (inner diameter / 2) 2 ] thickness
- Hoop length ⁇ single weight X 1 0 0 0 ⁇ (width X thickness X specific gravity)
- outer diameter is a value in a range satisfying the above-described outer diameter standard
- single weight is a value in a range satisfying the above-described single weight constraint.
- the hoop length ⁇ and the hoop length ⁇ are also in a range that satisfies the above constraints.
- the maximum value of the overlapping portion in the range of the hoop length A and the hoop length B is the maximum hoop length
- the minimum value of the overlapping portion is the minimum hoop length.
- the set length shall be at least as long as the minimum hoop length of all orders organized in the set.
- the excess area of the set with respect to the order is limited to a certain percentage of the order area (for example, 20%).
- the set generation processing unit 25 can organize a set having a hoop length according to each order.
- efficient set knitting can be performed in consideration of the yield in both the length direction and the width direction.
- the trim allowance is the width to be discarded (not used as a product) at the end of the steel strip, and is a value that can be specified by the orderer or the user of the information processing device 10.
- a restriction is added to place orders with a small trim margin at both ends of the steel strip.
- the number of strips is the number of divisions in the width direction within one set.
- the number of threads can be limited according to the factory equipment (for example, the number of equipment for scraping product coils).
- the allocation processing unit 26 performs processing for allocating the set generated by the set generation processing unit 25 to the optimum actual product (step S 3). Specifically, the allocation processing unit 26 generates allocations of multiple patterns to the actual product, and evaluates the evaluation values using the “actual product remaining”, “actual product used area”, “actual product width yield”, etc. as evaluation items. Calculate and generate an optimal set for the virtual product based on the evaluation value. A specific example of calculating the evaluation value will be described later.
- the “number of actual items” is the number of items that remained largely unused after allocation.
- “Actual product area” is the total area of product coils allocated to the actual product.
- “Product width yield” is the ratio of the width of the unused portion to the width of the actual product after allocation.
- the allocation processing unit 26 performs allocation processing so as to satisfy the following restrictions.
- a set can be assigned to multiple items.
- the total length of the assigned item is not less than the set length.
- the unused part (remaining length) of the actual product after allocation shall be greater than the minimum value of the actual product.
- the actual product remaining minimum value is a value that can be arbitrarily set by the user.
- the allocation processing unit 26 can allocate the set to the actual product so as to have a loop length corresponding to each order. In addition, the allocation processing unit 26 can allocate the set to the actual product so that no half-cut piece is left in the length direction.
- the allocation processing unit 26 for products with the same width and length, allocation is performed in order of date of manufacture so that the products with the oldest date of manufacture are used. Can be assigned.
- the storage location of the actual product may be considered in addition to the date of manufacture, so that the actual product stored closer to the slit work site can be allocated.
- the hoop length / division determination unit 27 determines the hoop length and the division position in the width direction for the actual product according to the set assigned to each actual product (step S 4).
- the order management unit 23 determines whether or not the set generation processing unit 25 has finished organizing all orders as a set (step S 5).
- step S5 when all orders have been organized as a set (NO in step S5), the process of assigning the product coil to the actual product is completed. If all orders have not been organized as a set and there is a purchase order remaining (Y e s in step S5), the process returns to step S1.
- the information processing apparatus 10 repeats the operations from step S1 to step S4 until there is no remaining order or remaining product.
- the minimum yield may be set in the yield in the width direction of the virtual actual product (hereinafter referred to as the width yield).
- the set generation processing unit 25 lowers the minimum yield by a predetermined percentage and generates a set again. This shortens the time required for processing to find a combination that satisfies the minimum yield, thereby improving the speed of generating a set. At this time, set the lower limit of the minimum yield. Also, if the number of orders remains, ignore the set minimum yield constraint To generate a set.
- the processing in the set generation processing unit 25 and the allocation processing unit 26 is suitable with various restrictions depending on the type of order and the slit work equipment.
- the combination of constraints when the set generation processing unit 25 in the information processing apparatus 10 described above performs set generation is not limited to the above, and the set generation processing unit 25 has an arbitrary restriction on the above-described constraints. It is preferable to use a combination of
- the combination of constraints when the allocation processing unit 26 performs the allocation process is not limited to the above, and the allocation processing unit 26 is preferable to use any combination of the above-described constraints.
- FIG. 4A is a diagram showing a standard example common to a plurality of actual products in the present embodiment.
- the actual product in this specific example has a thickness of 0.5 mm, a specific gravity of 7.5 g / cm 3 , and a trim margin of 25 mm.
- FIG. 4B is a diagram showing a specific example of an order for the actual product having the standard shown in FIG. 4A.
- Order a is ordered width 2 5 0 mm, ordered by weight 6 0 0 0 kg, is an order area 1 6 0 O m 2.
- Order b are ordered width 3 0 0 mm, ordered by weight 3 OOO kg, is an order area 8 0 0 m 2.
- Order c is ordered width 6 0 0 mm, ordered by weight 3 3 0 0 kg, is an order area 8 8 0 m 2.
- the order area is obtained by the following formula using the order weight, the specific gravity and the plate thickness.
- Order area order weight (specific gravity x plate thickness)
- orders a to c have the above-mentioned unit weight constraint and outer diameter standard, respectively.
- FIG. 4C is a diagram illustrating a specific example of the virtual actual product generated by the virtual actual product generation unit 24.
- virtual goods X and Y shown in Fig. 4C are Actual product r (actual product width 10 500 mm, actual product length 24 00 m), actual product s (actual product width 1 100 mm, actual product length 3 200 m), actual product t (actual product width 1 1 500 mm, 8 0 0 m), the virtual actual product generation unit 24 generates the virtual actual product generation process.
- the information on the virtual actual product generated by the virtual actual product generation unit 24 is stored in the virtual actual product information database 22c.
- the virtual actual product X has a virtual actual product width of 1 500 mm, a virtual actual product length of 10 400 mm, and a virtual effective width of 100 mm.
- the virtual actual product Y has a virtual actual product width of 1 1 500 mm, a virtual actual product length of 4800 mm, and a virtual effective width of 1 100 mm.
- the virtual effective width is a value obtained by subtracting the trim allowance X 2 (both ends) from the virtual actual product width.
- the virtual actual product length of the virtual actual product X is the sum of the actual product lengths of the actual product having a width of the virtual actual product width of 150 mm or more]: s, t.
- the set generation processing unit 25 when performing the set generation processing for the orders and virtual actual products shown in FIG. 4B and FIG. 4C, sets a plurality of patterns as shown in FIG. Generate.
- FIG. 5 is a diagram showing sets 1 to 5 of a plurality of patterns generated by the set generation processing unit 25.
- set 1 is a set that organizes only order a.
- the number of divisions in the width direction corresponding to order a is 4, the number of provisional divisions in the length direction is 2, and the number of provisional hoops obtained from the number of items X provisional division 8.
- the temporary hoop length which is the temporary hoop length, is 800 m.
- the set generation processing unit 25 determines the temporary hoop length according to the constraints at the time of generating the set described above.
- the acquisition area (m 2 ) is determined by the order width (m) X number of temporary hoops X temporary hoop length (m).
- the excess area can be obtained from the acquired area and the order area.
- the excess area is obtained only when the excess of the acquired area is 3% or more of the order area.
- the remaining order area is obtained from the order area minus the acquisition area. The remaining order area is calculated when the order area is larger than the acquired area.
- order! For c, we did not organize it into set 1, so order!
- Set 2 is a set of only order b.
- the number of items corresponding to order b is 3
- the number of provisional divisions is 1
- the number of provisional hoops is 3
- the provisional hoop length is 890 m.
- acquisition area 8 0 1 m 2 the excess area 0 m 2 against the order b, orders a orders remaining area 1 6 0 0 m 2, ordering the remaining area of the order c
- Set 3 is a set of order b and order c.
- the number of items corresponding to order b is 1, the number of provisional divisions is 2, the number of provisional hoops is 2, and the provisional hoop length is 7 3 4 m.
- the number of articles corresponding to order c is 1, the number of provisional divisions is 2, the number of provisional hoops is 2, and the provisional hoop length is 7 3 4 m.
- the remaining order area of order a is 1600 m 2
- the acquired area corresponding to order b is 440 m 2
- the excess area for order b is 0 m 2
- the order Order remaining area for b 3 60 m 2 is acquired area corresponding to order c 8 8 1 m 2
- excess area for order c 0 m 2 order remaining area for order c
- Set 4 is a set of order a and order c.
- the number of articles corresponding to order a is 2, the number of provisional divisions is 2, the number of provisional hoops is 4, and the provisional hoop length is 7 3 4m.
- the number of articles corresponding to order c is 1, the number of provisional divisions is 2, the number of provisional hoops is 2, and the provisional hoop length is 7 3 4 m.
- ordering orders remaining area 8 0 0 m 2 of b the order corresponding to a Juru acquisition area 7 3 4 m 2, orders exceeded for a area 0 m 2 , orders remaining area 8 6 6 m 2 orders a, acquisition area 8 8 1 m 2 that corresponds to the order c, the excess area 0 m 2 for the order c, apply the remaining area 0 m 2 orders c, obtained mosquitoes.
- Set 5 is a set of order a and order b.
- the number of items corresponding to order a is 2, the number of provisional divisions is 2, the number of provisional hoops is 4, and the provisional hoop length is 800m.
- the number of items corresponding to order b is 2, the number of provisional divisions is 2, the number of provisional hoops is 4, and the provisional hoop length is 800 m.
- the same calculation as set 1 described above is used.
- the set generation processing unit 25 generates a set of a plurality of patterns based on the temporary set length and the number of temporary divisions that satisfy the constraints.
- FIG. 6 is a diagram showing evaluation values when assigning sets 1 to 5 in FIG.
- FIG. 7 is a diagram showing evaluation values when assigning sets 1 to 5 in FIG.
- Table 61 is a table showing evaluation values related to Set 1 and virtual actual product X and values related to the evaluation values. Specifically, Table 61 shows the set length and set width of set 1, and the values of the evaluation items necessary for calculating the evaluation value when set 1 is assigned to virtual actual product X. is there. Similarly, Tables 6 2 to 6 5 are tables showing evaluation values related to sets 2 to 5 and virtual actual product X and values related to the evaluation values.
- the weighting coefficient 66 is a coefficient for performing weighting of 1 time, 100 times, and 1000 times for each evaluation item of the sets 1 to 5 and the virtual actual product X. In other words, the larger the weighting factor 66, the more important the evaluation item. Details of the weighting coefficient 66 will be described later.
- set 1 ⁇ virtual actual product X when set 1 is assigned to virtual actual product X (hereinafter simply referred to as “set 1 ⁇ virtual actual product X”), set length of set 1 1 6 0 0 m is within the virtual actual product length of virtual actual product X. Since the set width of set 1 is 100 mm, the remaining effective width is O mm. Here, the remaining effective width is obtained from the effective width of virtual product X as one set width. As described above, the effective width of the virtual actual product X is 100 mm. In the case of set 1 and virtual product X, the excess area meter is O m 2 . Here, the excess area meter in the case of set 1 ⁇ virtual actual product X is the sum of excess areas for orders a to c in set 1.
- the total remaining order area is 1 6680 m 2 .
- the total remaining order area for set 1 'virtual item X' is the total remaining order area for orders a to c in set 1.
- the evaluation value for set 1 ⁇ virtual product X is 1680. Note that the set generation processing unit 25 in the present embodiment determines that the evaluation is lower as the evaluation value is larger.
- the evaluation value is obtained by using the remaining effective width X 1 0 0 0 + the excess area total X 1 0 0 + the total remaining order area using the weighting coefficient 66 shown in FIG. That is, as shown by the weighting coefficient 66 in FIG.
- the remaining effective width is multiplied by 100 as the most important evaluation item.
- the excess area meter is multiplied by 100 as an important evaluation item.
- the total remaining order area is 1 time as a normal evaluation item.
- the weighting factor 6 6 can increase the impact of changes in values in important evaluation items on evaluation values. That is, the set generation processing unit 25 can calculate an evaluation value in consideration of the priority for each evaluation item, and can adopt an optimal set based on the evaluation value.
- Table 65 of FIG. 6 when set 5 is assigned to virtual actual product X, the set length 16 60 m of set 5 is within the virtual actual product length of virtual actual product X. Also, since the set width of set 5 is 110 mm, the remaining effective width is 110 mm, which is a violation of the width constraint. Therefore, Set 5 cannot be adopted.
- Table 71 shows the evaluation values for Set 1 and virtual product Y and the values related to the evaluation values. Specifically, Table 71 shows the set length and set width of Set 1, and the values of the evaluation items necessary for calculating the evaluation value when Set 1 is assigned to virtual actual product Y.
- Tables 72 to 75 are tables showing evaluation values related to sets 2 to 5 and virtual product Y and values related to the evaluation values.
- the weighting coefficient 76 is a coefficient for performing weighting of 1 time, 100 times, and 1000 times for each evaluation item of the sets 1 to 5 and the virtual actual product Y.
- set length 890 m of set 2 is within the virtual actual product length of virtual actual product Y.
- the remaining effective width is 200 mm
- the total excess area is 0 m 2
- the total remaining area is 2480 m 2
- the evaluation value is 2 0248 0.
- the set generation processing unit 25 adopts a combination of the set 4 and the virtual actual product Y.
- the actual product to be allocated is the actual product r (actual product width 1 0 50 mm, actual product length 2 4 0 0 m), actual product s (actual product width 1 1 0 0 mm, actual product length 3 2 0 0 m), actual product t (actual product width 1 1 500 mm, actual product length 4 80 0 m).
- FIG. 8 is a diagram showing a plurality of allocation patterns (Case A to Case E) generated by the allocation processing unit 26.
- 1/3), 6 (1/2), 8 (2/3), 9 (3/4), and 12 (1) are defined.
- the allocation processing unit 26 is limited. Specifically, the allocation processing unit 26 generates combinations of actual product usage patterns within a range that satisfies the constraints for a plurality of actual products.
- Fig. 9 is a diagram showing the evaluation values for each allocation pattern shown in Fig. 8.
- Table 91 shows the actual product] :, s, t, and multiple sets G (cases A to E). It is a table
- Table 91 shows the evaluation values in case A allocation and the values of the evaluation items necessary to obtain the evaluation values.
- Tables 9 2 to 95 are tables showing the evaluation values and the values related to the evaluation values in the assignment of Cases B to E.
- the set length constraint 96 indicates that it is checked whether the total used length of the actual product is greater than or equal to the set length.
- the weighting coefficient 97 is a coefficient for performing weighting of 1 time and 100 times for each evaluation item of the assignment process. In other words, the higher the weighting factor 97, the more important the evaluation item.
- the total used length is the sum of the used lengths of all actual products in cases A to E shown in Fig. 8.
- the total area acquired is the sum of the total area used in each case A to E shown in Figure 8.
- the allocation processing unit 26 in the present embodiment determines that the allocation is lower in evaluation as the evaluation value is larger.
- the evaluation value is obtained by using the weighting coefficient 97 shown in FIG. 9 and the total acquired area + the number of in-use items X 1 0 0 not used up.
- the weighting coefficient 96 can increase the influence of the change in the value of the important evaluation item on the evaluation value. That is, the allocation processing unit 26 can calculate an evaluation value considering the priority for each evaluation item, and can adopt an optimal allocation based on the evaluation value.
- the total area acquired 1 1 5 60 m 2
- the total acquisition area 5 1 60 m 2
- the number of items that have not been used up 1
- the evaluation value 5 2 60.
- the total acquisition area 5 2 80 m 2
- the number of items that have not been used up 1
- the evaluation value 5 3 80.
- the total acquisition area 5 3 60 m 2
- the number of items that have not been used up 1
- the evaluation value 5 4 6 0.
- an information processing apparatus according to the second embodiment of the present invention that can perform assignment processing in consideration of defects when the actual product has defects.
- the functional configuration of the information processing apparatus according to the second embodiment is the same as that of the information processing apparatus 10 according to the first embodiment shown in FIG. 1, and detailed description thereof is omitted.
- the difference between the information processing apparatus 10 of the first embodiment and the information processing apparatus 10 of the second embodiment is that the actual product information stored in the actual product information database 2 2 b is the same as the actual product information.
- the virtual actual product generation unit 24 performs the effective part cutting based on the defect information included in the actual product information before generating the virtual actual product. The point is to create a virtual actual product based on the part.
- the wrinkle information further included in the above-mentioned actual product information is specifically information on the position of the wrinkle and the size of the wrinkle.
- information on the size of the cocoon it is preferable to give a score according to the size of the cocoon (the length of the cocoon).
- the effective part planing process based on the defect information performed by the virtual actual product generation unit 24 is based on the defect information described above, and the effective part obtained by removing the defective part (rectangle including defect) from the actual product. This is a process of extracting up to two in descending order of area.
- the order information database 2 2 a may further include an allowable range of defects as order information.
- the permissible range of the heel may be specified by, for example, the length of the heel, or may be specified by the above-described score.
- the virtual actual product generation unit 24 refers to the allowable range of the defect in the order information and sets the defect exceeding the allowable range as a defective part.
- FIG. 10 is a diagram illustrating an operation of the information processing apparatus 10 according to the second embodiment.
- processing steps given the same reference numerals as those in FIG. 3 are the same as the processings in FIG. 3, and will be described briefly.
- the virtual actual product generation unit 2 4 of the information processing apparatus 10 Based on the defect information included in the actual product information referenced from the information database 2 2 b, the effective part of the actual product is chamfered (step SO).
- the virtual actual product generation unit 24 generates a virtual actual product in which the effective parts cut out in step S 0 are aggregated into a predetermined plurality of widths (step S la).
- the virtual actual product information generated by the virtual actual product generation unit 24 is stored in the virtual actual product information database 22c.
- the set generation processing unit 25 is optimal for the virtual actual product based on the order information referenced from the order information database 22a and the virtual actual product information referenced from the virtual actual product information database 22c.
- a set is generated by organizing some or all of the orders (step S 2).
- the set generation processing unit 25 generates a set that satisfies the following constraints.
- the set length is not more than the virtual actual product length so that the actual product is not short.
- the hoop length shall be the length that satisfies the outside diameter standard and unit weight constraint of the order.
- the set length shall be at least larger than the minimum hoop length of all orders organized in the set.
- the excess area of the set with respect to the order is limited to a certain percentage of the order area (for example, 20%).
- the set generation processing unit 25 can organize a set having a hoop length according to each order. It should be noted that the above-described constraints are examples, and other constraint examples shown in the first embodiment may be used.
- the allocation processing unit 26 optimizes the set generated by the set generation processing unit 25. Process to assign to the actual product (step S3). At this time, the allocation process 26 performs the allocation process so as to satisfy the following restrictions.
- the following constraints are examples, and other constraint examples shown in the first embodiment may be used.
- the total length of the assigned item is not less than the set length.
- the length that can be used from each actual product shall be less than the length of the effective part.
- the unused part (remaining length) of the actual product after allocation shall be greater than the minimum value of the actual product.
- the remaining length shall be less than the minimum effective part length.
- the hoop length / division determination unit 27 determines the hoop length and the division position in the width direction for the actual product according to the set assigned to each actual product (step S 4).
- the order management unit 23 determines whether or not the set generation processing unit 25 has finished organizing all orders as a set (step S 5). Here, when all orders have been organized as a set (NO in step S5), the process of assigning the product coil to the actual product is completed.
- step S5 If all the orders have not been organized as a set and there is a purchase order remaining (Yes in step S5), the process proceeds to step S6, and the information processing apparatus 10 stores the actual product information database 2 In 2b, the actual product information used for allocation in step S3 (information on the active part used if only a part of the actual product is used) is deleted or updated as invalid information (step S6).
- step S 6 the process returns to step SO, and the virtual actual product generation unit 24 4 refers to the defect information included in the actual product information from the updated actual product information database 2 2 b and cuts off the effective part. Process.
- the information processing apparatus 10 repeats the operations from Step S 0 to Step S 6 until there is no remaining order or remaining product. This allows information processing The device 10 can perform processing for assigning orders to actual products in consideration of actual product defects.
- the information processing apparatus 10 includes the order information database 2 2 a and the actual product information database 2 2 b.
- each database It may be an information processing system that is connected to a database server that manages the network via a network 12.
- a database server that manages the network via a network 12.
- at least one of the plurality of devices and terminals is equivalent to the information processing device 10 described above. The structure which has these functions may be sufficient.
- each processing unit of the information processing apparatus 10 in the first and second embodiments shown in FIG. 1 can be realized by a computer executing a program.
- means for supplying a program to a computer for example, a computer-readable recording medium in which such a program is recorded or a transmission medium for transmitting such a program can also be applied as an embodiment of the present invention.
- a program product such as a computer-readable recording medium in which the above program is recorded can also be applied as an embodiment of the present invention.
- the above program, recording medium, transmission medium, and program product are included in the scope of the present invention.
- the “computer-readable recording medium” refers to a storage device such as a flexible disk, a magneto-optical disk, a portable medium such as ROM, CD-ROM, and a hard disk incorporated in a computer system. Furthermore, “computer-readable recording medium” refers to the volatile memory (RAM) in the computer system that serves as a server or client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. Thus, it shall include those that hold the program for a certain period of time.
- RAM volatile memory
- the program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium.
- a “transmission medium” for transmitting a program is a medium having a function of transmitting information such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line.
- the program may be for realizing a part of the above-described functions.
- a difference file difference file (difference program) may be used.
- the order information that is information about a plurality of orders and the information about the virtual base material that is generated by aggregating a plurality of types of base materials Based on the virtual base material information, a virtual order that combines some or all of multiple orders so as to be optimal for the virtual base material is generated, and the generated virtual order is assigned to the optimal base material. Since allocation information is generated, orders can be aggregated into virtual orders, and actual products can be aggregated into virtual base materials to find the optimal allocation to base materials. As a result, it is possible to calculate an optimum solution for the plate cutting that allocates the product coil according to the order to the base material with a smaller amount of calculation.
- the base material information that is information on a plurality of types of base materials includes the base information that is information on the base material, the base material information and the base material information Based on the information, it is possible to generate virtual base material information that is information about the virtual base material that aggregates the parts that do not contain defects. It is possible to calculate the optimal solution for the planing that allocates to the actual product with a smaller amount of calculation.
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Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CA002522473A CA2522473C (en) | 2003-04-15 | 2004-04-07 | Information processing apparatus, information processing system, information processing method and recording medium of the same |
MXPA05011048A MXPA05011048A (es) | 2003-04-15 | 2004-04-07 | Dispositivo de procesamiento de informacion, sistema de procesamiento de informacion, metodo de procesamiento de informacion y medio de registro. |
EP04726290A EP1615092A4 (en) | 2003-04-15 | 2004-04-07 | INFORMATION PROCESSING DEVICE, SYSTEM AND METHOD, AND RECORDING MEDIUM |
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JP2003110817 | 2003-04-15 | ||
JP2003-110817 | 2003-04-15 | ||
JP2003-289982 | 2003-08-08 | ||
JP2003289982A JP4360864B2 (ja) | 2003-04-15 | 2003-08-08 | 情報処理装置、情報処理システム、情報処理方法およびそのプログラム |
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EP (1) | EP1615092A4 (ja) |
JP (1) | JP4360864B2 (ja) |
CA (1) | CA2522473C (ja) |
MX (1) | MXPA05011048A (ja) |
MY (1) | MY149827A (ja) |
WO (1) | WO2004092855A1 (ja) |
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JP5471660B2 (ja) * | 2010-03-18 | 2014-04-16 | 富士通株式会社 | 在庫引当シミュレーション装置および在庫引当シミュレーション方法 |
JP5593947B2 (ja) * | 2010-08-11 | 2014-09-24 | Jfeスチール株式会社 | 板状製品の取り合わせ方法及び取り合わせ装置 |
DE112011103259T5 (de) | 2010-09-28 | 2013-08-08 | International Business Machines Corporation | Verfahren, Programm und Vorrichtung zum Gruppieren einer Vielzahl von Elementen |
IN2014DN07781A (ja) * | 2012-03-23 | 2015-05-15 | Hitachi Ltd | |
JP6647966B2 (ja) * | 2016-05-20 | 2020-02-14 | 株式会社神戸製鋼所 | 在庫引当装置及び在庫引当方法 |
JP7011381B2 (ja) * | 2016-08-25 | 2022-01-26 | 日本製鉄株式会社 | スラブ巾決定方法 |
JP6409990B1 (ja) * | 2018-02-01 | 2018-10-24 | オムロン株式会社 | 情報処理装置およびプログラム |
CN113538078B (zh) * | 2020-04-16 | 2024-06-18 | 北京沃东天骏信息技术有限公司 | 信息处理方法和装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06142724A (ja) | 1992-10-29 | 1994-05-24 | Kobe Steel Ltd | 板取り方法 |
JPH06149850A (ja) | 1992-11-05 | 1994-05-31 | Nippon Steel Corp | 製品素材と注文の引当方法およびシステム |
JPH10156621A (ja) | 1996-12-03 | 1998-06-16 | Toray Ind Inc | スリット計画方法及び装置 |
JPH11245142A (ja) * | 1998-02-27 | 1999-09-14 | Sumitomo Metal Ind Ltd | 生産計画作成方法及びその装置 |
JP2002269161A (ja) | 2001-03-07 | 2002-09-20 | Nkk Corp | 板の取合せ方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US5983195A (en) * | 1997-06-06 | 1999-11-09 | Electronic Data Systems Corporation | Method and system for scheduling product orders in a manufacturing facility |
US7107233B2 (en) * | 2001-05-25 | 2006-09-12 | Des Champs Nicholas H | Scrap reduction by combining operations of different manufacturers |
-
2003
- 2003-08-08 JP JP2003289982A patent/JP4360864B2/ja not_active Expired - Fee Related
-
2004
- 2004-04-07 WO PCT/JP2004/005049 patent/WO2004092855A1/ja active Search and Examination
- 2004-04-07 CA CA002522473A patent/CA2522473C/en not_active Expired - Fee Related
- 2004-04-07 MX MXPA05011048A patent/MXPA05011048A/es active IP Right Grant
- 2004-04-07 EP EP04726290A patent/EP1615092A4/en not_active Withdrawn
- 2004-04-13 MY MYPI20041353A patent/MY149827A/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06142724A (ja) | 1992-10-29 | 1994-05-24 | Kobe Steel Ltd | 板取り方法 |
JPH06149850A (ja) | 1992-11-05 | 1994-05-31 | Nippon Steel Corp | 製品素材と注文の引当方法およびシステム |
JPH10156621A (ja) | 1996-12-03 | 1998-06-16 | Toray Ind Inc | スリット計画方法及び装置 |
JPH11245142A (ja) * | 1998-02-27 | 1999-09-14 | Sumitomo Metal Ind Ltd | 生産計画作成方法及びその装置 |
JP2002269161A (ja) | 2001-03-07 | 2002-09-20 | Nkk Corp | 板の取合せ方法 |
Non-Patent Citations (1)
Title |
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Also Published As
Publication number | Publication date |
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JP4360864B2 (ja) | 2009-11-11 |
CA2522473C (en) | 2008-06-17 |
MXPA05011048A (es) | 2005-12-12 |
CA2522473A1 (en) | 2004-10-28 |
EP1615092A1 (en) | 2006-01-11 |
MY149827A (en) | 2013-10-14 |
JP2004334831A (ja) | 2004-11-25 |
EP1615092A4 (en) | 2009-11-25 |
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