PRIORITY CALCULATION DEVICE, PROGRAM, PRIORITY CALCULATION SYSTEM, AND PRIORITY CALCULATION METHOD
First Claim
1. A priority calculation device, which calculates a priority of each of lots to be introduced into a manufacturing stage, comprising:
- a storage unit which stores;
demand information which determines a product type and a demand ratio of the product type during a predetermined period; and
process stand-by state information which determines, for each of manufacturing stages, the lot waiting for a processing in the manufacturing stage, a product for which the lot is used, and a quantity of parts included in the lot; and
a control unit,wherein the control unit is configured to perform, for each of the manufacturing stages, a processing for determining, from the process stand-by state information, the lot waiting for the processing in the manufacturing stage, the product type for which the lot is used, and the quantity of the parts included in the lot, and assigning the priority to each of the lots so that the lot for which a product-type-basis ratio of the parts included in the lot pending in the processing of the manufacturing stage and processings subsequent thereto, the product-type-basis ratio being obtained when the determined lot is introduced into the manufacturing stage, becomes closer to the product-type-basis demand ratio determined by the demand information is preferentially introduced into the manufacturing stage.
1 Assignment
0 Petitions
Accused Products
Abstract
Priority can be calculated for works-in-process which are not in demand. A priority calculation device (110) comprises a priority calculation unit (124) which specifies a queue of lots in each production stage, a product category wherein the lot is to be used, and the number of components included in the lot, on the basis of information stored in a queue information storage area (115), and allocates priority for each lot so that when the specified lot is supplied to the production stage, a lot, by which a ratio of a component, in each product category, contained in a lot which is in a process subsequent to the process of the production stage is made closer to the ratio of demand in each product category specified by the information stored in a demand information storage area (113), is supplied into the production stage with higher priority.
-
Citations
19 Claims
-
1. A priority calculation device, which calculates a priority of each of lots to be introduced into a manufacturing stage, comprising:
-
a storage unit which stores; demand information which determines a product type and a demand ratio of the product type during a predetermined period; and process stand-by state information which determines, for each of manufacturing stages, the lot waiting for a processing in the manufacturing stage, a product for which the lot is used, and a quantity of parts included in the lot; and a control unit, wherein the control unit is configured to perform, for each of the manufacturing stages, a processing for determining, from the process stand-by state information, the lot waiting for the processing in the manufacturing stage, the product type for which the lot is used, and the quantity of the parts included in the lot, and assigning the priority to each of the lots so that the lot for which a product-type-basis ratio of the parts included in the lot pending in the processing of the manufacturing stage and processings subsequent thereto, the product-type-basis ratio being obtained when the determined lot is introduced into the manufacturing stage, becomes closer to the product-type-basis demand ratio determined by the demand information is preferentially introduced into the manufacturing stage. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A program for causing a computer to function as a priority calculation device, which calculates a priority of each of lots to be introduced into a manufacturing stage,
the program causing the computer to function as: -
storage means which stores; demand information which determines a product type and a demand ratio of the product type during a predetermined period; and process stand-by state information which determines, for each of manufacturing stages, the lot waiting for a processing in the manufacturing stage, a product for which the lot is used, and a quantity of parts included in the lot; and control means, the program causing the control means to perform, for each of the manufacturing stages, a processing for determining, from the process stand-by state information, the lot waiting for the processing in the manufacturing stage, the product type for which the lot is used, and the quantity of the parts included in the lot, and assigning the priority to each of the lots so that the lot for which a product-type-basis ratio of the parts included in the lot pending in the processing of the manufacturing stage and processings subsequent thereto, the product-type-basis ratio being obtained when the determined lot is introduced into the manufacturing stage, becomes closer to the product-type-basis demand ratio determined by the demand information is preferentially introduced into the manufacturing stage. - View Dependent Claims (8, 9, 10, 11, 12)
-
-
13. A priority calculation system, comprising:
-
a shipment management device; a manufacturing information providing device; and a priority calculation device, wherein; the shipment management device performs a processing for outputting, to the priority calculation device, supply information which determines a product type and a demanded quantity of the product type during a predetermined period; the manufacturing information providing device is configured to perform, for each of manufacturing stages, a processing for outputting, to the priority calculation device, carry-in information which determines a lot waiting for a processing in the manufacturing stage, a product for which the lot is used, and a quantity of parts included in the lot; and a control unit of the priority calculation device is configured to; perform a processing for generating, from the supply information acquired from the shipment management device, demand information which determines the product type and a demand ratio of the product type during the predetermined period, and storing the demand information in a storage unit; perform a processing for generating, from the carry-in information acquired from the manufacturing information providing device, process stand-by state information which determines, for each of the manufacturing stages, the lot, the product for which the lot is used, and the quantity of the parts included in the lot, and storing the process stand-by state information in the storage unit; and perform, for each of the manufacturing stages, a processing for determining, from the process stand-by state information, the lot waiting for the processing in the manufacturing stage, the product type for which the lot is used, and the quantity of the parts included in the lot, and assigning the priority to each of lots so that the lot for which a product-type-basis ratio of the parts included in the lot pending in the processing of the manufacturing stage and processings subsequent thereto, the product-type-basis ratio being obtained when the determined lot is introduced into the manufacturing stage, becomes closer to the product-type-basis demand ratio determined by the demand information is preferentially introduced into the manufacturing stage. - View Dependent Claims (14, 15, 16, 17, 18)
-
-
19. A priority calculation method of calculating a priority of each of lots to be introduced into a manufacturing stage, which is performed by a priority calculation device comprising:
-
a storage unit which stores; demand information which determines a product type and a demand ratio of the product type during a predetermined period; and process stand-by state information which determines, for each of manufacturing stages, the lot waiting for a processing in the manufacturing stage, a product for which the lot is used, and a quantity of parts included in the lot; and a control unit, the priority calculation method comprising a step of performing, by the control unit, for each of the manufacturing stages, a processing for determining, from the process stand-by state information, the lot waiting for the processing in the manufacturing stage, the product type for which the lot is used, and the quantity of the parts included in the lot, and assigning the priority to each of the lots so that the lot for which a product-type-basis ratio of the parts included in the lot pending in the processing of the manufacturing stage and processings subsequent thereto, the product-type-basis ratio being obtained when the determined lot is introduced into the manufacturing stage, becomes closer to the product-type-basis demand ratio determined by the demand information is preferentially introduced into the manufacturing stage.
-
Specification