WO2017217310A1 - Simulation device, simulation system, and program - Google Patents

Simulation device, simulation system, and program Download PDF

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Publication number
WO2017217310A1
WO2017217310A1 PCT/JP2017/021268 JP2017021268W WO2017217310A1 WO 2017217310 A1 WO2017217310 A1 WO 2017217310A1 JP 2017021268 W JP2017021268 W JP 2017021268W WO 2017217310 A1 WO2017217310 A1 WO 2017217310A1
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WIPO (PCT)
Prior art keywords
production
demand
base
model
unit
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PCT/JP2017/021268
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French (fr)
Japanese (ja)
Inventor
雅彦 廣川
三宅 伸輔
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三菱電機株式会社
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Priority to JP2018523847A priority Critical patent/JPWO2017217310A1/en
Publication of WO2017217310A1 publication Critical patent/WO2017217310A1/en

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total 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]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/04Manufacturing
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30Computing systems specially adapted for manufacturing

Definitions

  • the present invention relates to a simulation apparatus, a simulation system, and a program for performing a simulation using a supply chain model.
  • Patent Document 1 even if the sales plan fluctuates due to an increase in the number of sales in the entire supply chain, it is possible to prevent a delay in production due to a shortage of materials and a delay in shipment due to a shortage of product inventory.
  • a supply chain optimizing system capable of optimizing the distribution route is disclosed.
  • Patent Document 2 discloses a start management system that centrally manages the production of semiconductor devices manufactured through a plurality of production bases and instructs an appropriate production plan.
  • Patent Document 3 a supply chain model is created and a simulation is performed with a simulator.
  • a simulation can be performed in which there is no divergence with time.
  • Patent Document 4 even if a production fluctuation exceeding the initially assumed production fluctuation occurs, there is no shortage of materials, and the total cost of material inventory costs and material procurement logistics costs can be minimized. A supply chain efficiency support method is disclosed.
  • the present invention has been made in view of the above problems, and an object of the present invention is to enable calculation of inventory and lead time in which a plurality of production bases linked together along a route through which materials are distributed. To do.
  • a simulation apparatus includes a demand information input unit, a base information input unit, a model definition unit, and a simulation execution unit.
  • the demand information input unit inputs demand information related to demand and quantity of demand for the first material.
  • the site information input unit inputs the maximum production quantity of the first material per unit time and the second material of the first production site that produces the first material, and then completes the production of the first material. Lead time, and the maximum production quantity of the second material per unit time of the second production base that produces the second material and supplies it to the first production base and the third material
  • the base information including the lead time until the completion of the production of the second material is input.
  • the model definition unit defines a demand model and a supply model connecting the first production base and the second production base based on the demand information and the base information input to the demand information input unit and the base information input unit, respectively.
  • the simulation execution unit calculates the inventory and production quantity of the first material and the inventory and production quantity of the second material based on the definition data of the demand model and the supply model.
  • a demand model and a supply model are defined in which a first production base that produces a first material and a second production base that produces a second material and supplies the first material to the first production base are connected.
  • the figure which shows an example of the simulation range of the simulation apparatus which concerns on embodiment of this invention The figure which shows the structural example of the simulation system which concerns on embodiment
  • the figure which shows the example of the definition data of the demand model which concerns on embodiment The figure which shows the example of the base item information which concerns on embodiment
  • the figure which shows the example of the product structure information which concerns on embodiment The figure which shows the example of the process information which concerns on embodiment
  • the figure which shows the example of the inventory information which concerns on embodiment The figure which shows the example of the production information which concerns on embodiment
  • FIG. 1 is a diagram showing an example of a simulation range of the simulation apparatus according to the embodiment of the present invention.
  • This embodiment targets a supply chain that produces products or parts at a plurality of production bases that cooperate along the route of distribution of materials according to the manufacturing process of products, and sells products to customers at a plurality of sales bases. Yes.
  • the materials produced at the production base are not limited to products and parts, but may be materials such as paints and metal wires.
  • FIG. 1 shows a supply chain including three production bases A, production bases B, and production bases C that cooperate along a route through which materials are distributed in three processes of parts manufacture, key parts manufacture, and product assembly.
  • Parts produced at parts manufacturing production base A are supplied to key parts manufacturing production base B and product assembly production base C, and key parts produced at key parts manufacturing production base B are produced during product assembly. Supplied to site C.
  • the product assembled at the production base C for product assembly is supplied to three sales bases. Each production base is supplied with necessary parts and materials from a supplier.
  • the production base B is the first production base of the present invention
  • the production base A is the second production base of the present invention.
  • Necessary parts and materials supplied from the supplier to the production site A are the third material of the present invention.
  • the part produced at the production site A is the second material of the present invention.
  • the key parts produced at the production base B are the first material of the present invention.
  • the production base C is the first production base of the present invention
  • the production base B is the second production base of the present invention.
  • the part supplied from the production base A to the production base B is the third material of the present invention.
  • the key parts produced at the production base B are the second material of the present invention.
  • the product produced at the production site C is the first material of the present invention.
  • the first production base cooperates along the route through which the material of the present invention circulates.
  • the present invention can be applied by sequentially applying a set of second production bases.
  • the simulation equipment uses the production base, sales base, and supplier as the simulation scope.
  • the supply chain to be simulated is not limited to the example of FIG. 1, but may include two production bases corresponding to the first production base and the second production base of the present invention.
  • another base such as a distribution base that collects inventory may be included in the simulation range.
  • FIG. 2 is a diagram illustrating a configuration example of the simulation system according to the embodiment.
  • the simulation system 100 includes a simulation apparatus 1, a base system 2, and a terminal 3.
  • the base system 2 is a system that manages information related to the production base.
  • the base system 2 may be one system that collectively manages data of each production base, or may be a distributed system provided for each production base.
  • the terminal 3 is a terminal used by the user and has a function of displaying received data.
  • the simulation apparatus 1 includes a data input unit 11, a data management unit 12, a model definition unit 13, a simulation execution unit 14, and a result output unit 15 as functional configurations.
  • the data input unit 11 receives from the base system 2 demand information regarding the demand and quantity of products at the production base C, the maximum production quantity of products or parts per unit time at the production base B and the production base C, and necessary parts. Alternatively, the base information including the lead time from when the material is input to when the production of the product or part is completed is input.
  • the data input unit 11 is a demand information input unit and a base information input unit of the present invention.
  • the demand information is, for example, a demand plan for products from customers or a sales plan for products at sales bases.
  • the base information includes, for example, BOM (Bill of materials) of the production base, the number of workers, the working time of the workers, the operating time of the equipment, the lead time of the product or part to be produced, the total working days, and the like.
  • the base information is associated with the identification information of each production base.
  • the definition of various parameters of site information is unified at each production site.
  • the data input unit 11 stores the input base information and demand information in the data management unit 12.
  • the data input unit 11 may accept input of base information and demand information.
  • the simulation system 100 may not include the base system 2.
  • the data input unit 11 may input initial inventory information related to an initial inventory of products or parts.
  • the initial stock is a stock of products or parts obtained by subtracting the demand quantity from the lot quantity when the demand quantity is larger than the lot quantity in the previous production.
  • the data input unit 11 is an initial inventory information input unit of the present invention.
  • the data input unit 11 stores the input initial inventory information in the data management unit 12.
  • the model definition unit 13 defines a demand model and a supply model connecting the production base B and the production base C from the base information of the production base B and the production base C stored in the data management section 12 and the demand information of the production base C. .
  • the model definition unit 13 connects the production base B and the production base C from the base information, demand information, and initial stock information stored in the data management unit 12. Define demand and supply models.
  • the model definition unit 13 stores the defined demand model and supply model definition data in the data management unit 12.
  • the simulation execution section 14 stocks and produces products or parts at the production base B and the production base C.
  • the quantity, the demand time and the demand quantity of the product or part at the production site B are calculated.
  • the inventory is an inventory of products or parts to be delivered that have been produced and stored until delivery to the next production site.
  • the simulation execution unit 14 provides the data management unit 12 with result data indicating the calculated inventory and production quantity of the product or part at the production base B and the production base C, and the demand and demand quantity of the product or part at the production base B.
  • the unit time is set as the production period of the production base, and the demand quantity at the production base is the production base.
  • the production amount per unit time is exceeded, a value obtained by dividing the demand quantity by the production amount per unit time and rounding it up is multiplied by the unit time as the production period of the production base.
  • the data input unit 11 includes the maximum production quantity of a product or part per unit time of the production base A from the base system 2 and the lead time from when a necessary part or material is input until the production of the product or part is completed. Enter site information.
  • the data input unit 11 inputs, from the simulation execution unit 14, result data indicating the demand and quantity of products or parts at the production site B as demand information regarding the demand and quantity of the production site B.
  • the data input unit 11 stores the input base information and demand data in the data management unit 12.
  • the model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base B from the base information of the production bases A and B and the demand information of the production base B stored in the data management unit 12.
  • the model definition unit 13 connects the production base A and the production base B from the base information, demand information, and initial stock information stored in the data management unit 12. Define demand and supply models.
  • the model definition unit 13 stores the defined demand model and supply model definition data in the data management unit 12.
  • the simulation execution section 14 stocks and produces products or parts at the production base A and the production base B.
  • the quantity, the demand time and the demand quantity of the product or part at the production site A are calculated.
  • the simulation execution unit 14 provides the data management unit 12 with result data indicating the calculated inventory and production quantity of the product or part at the production base A and production base B, and the demand and demand quantity of the product or part at the production base A.
  • the production base A and the production base B, and the production base B and the production base C are respectively connected.
  • the present invention can be applied by considering it as a set of a first production base and a second production base that cooperate along the route through which the material of the invention circulates.
  • the data input unit 11, the model definition unit 13, and the simulation execution unit 14 perform the same processing for the combination of the production base A and the production base C.
  • the data input unit 11 receives from the base system 2 demand information regarding the demand and quantity of products of the production base C, the maximum production quantity of products or parts per unit time of the production base A and the production base C, and necessary parts. Alternatively, the base information including the lead time from when the material is input to when the production of the product or part is completed is input.
  • the data input unit 11 stores the input base information and demand information in the data management unit 12. If the data input unit 11 has already input such information, it may not be input. Further, the data input unit 11 may input the base information of the production bases A to C at the first time or may input them periodically.
  • the model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base C from the base information of the production bases A and C and the demand information of the production base C stored in the data management section 12.
  • the model definition unit 13 connects the production base A and the production base C from the base information, demand information, and initial stock information stored in the data management unit 12. Define demand and supply models.
  • the model definition unit 13 stores the defined demand model and supply model definition data in the data management unit 12.
  • the simulation execution section 14 stocks and produces products or parts at the production base A and the production base C.
  • the quantity, the demand time and the demand quantity of the product or part at the production site A are calculated.
  • the simulation execution unit 14 provides the data management unit 12 with result data indicating the calculated inventory and production quantity of the product or part at the production base A and the production base C, and the demand and quantity of the product or part at the production base A.
  • production base A and production base B production bases
  • production base C production base A and production base C
  • production base A and production base C production base A and production base C
  • production base B and the production base C are set of a first production base and a second production base that cooperate with each other along the route through which the material of the present invention circulates.
  • the result output unit 15 generates presentation data that visualizes the result data stored in the data management unit 12 and transmits the presentation data to the terminal 3.
  • the result output unit 15 obtains inventory and leads at a plurality of production bases connected from the inventory and production quantity of the product or parts at each production base indicated by the result data and the demand and demand quantity of the product or part at each production base. Time can be calculated.
  • the result output unit 15 may calculate the stock and lead time of the entire plurality of connected production bases, or may calculate the stock and lead time for each type of product or part.
  • the result output unit 15 may calculate the stock and lead time for each base, or may calculate the stock and lead time for each process.
  • Visualization of the result data includes, for example, a graph of the transition of the result data over time, a graph of comparison of the result data by demand model and supply model, a graph of comparison of the result data by product or part type, and a graph by site
  • a graph of comparison of result data, a graph of comparison of result data for each process may be displayed, or the result data may be displayed in a list.
  • the terminal 3 displays the presentation data received from the simulation device 1.
  • the result output unit 15 may display the generated presentation data. In this case, the simulation system 100 may not include the terminal 3.
  • the demand model and supply model definition data stored in the data management unit 12 will be described with reference to FIG.
  • FIG. 3 is a diagram illustrating an example of definition data of the demand model according to the embodiment.
  • the demand plan information includes a “demand model ID” for identifying a demand model, a “product item ID” for identifying a product item, a “sales base ID” for identifying a sales base for selling the product, and the product. It consists of items of “production base ID” for identifying a production base to be supplied to the sales base, “delivery date” for the delivery date of the product, and “sales quantity” for the quantity for selling the product.
  • the site item information in FIG. 4A includes a “supply model ID” that identifies a supply model, a “location ID” that identifies a production site, and a “item ID” that identifies a product or part item that can be produced at the production site. And “lead time” relating to the lead time of the item at the production base, “initial stock quantity” relating to the initial stock quantity of the item at the production base, and total working days per month of the production base It consists of the item “Total working days”.
  • the product configuration information in FIG. 4B is an integrated BOM that connects BOMs of a plurality of production bases.
  • the child parts are supplied from the production base that produces the child parts to the production base that produces the parent parts.
  • the process information of FIG. 4C performs the process with “supply model ID” for identifying the supply model, “base ID” for identifying the production base, and “process ID” for identifying the process performed at the production base.
  • “Number of workers” regarding the number of workers that can be used
  • “Worker possession ability” regarding the workable hours of workers per day
  • “Equipment possession capacity” concerning the operation hours of equipment per day It consists of items.
  • the base item cost information in FIG. 4D includes a “supply model ID” that identifies a supply model, a “base ID” that identifies a production base, and a “item ID” that identifies a product or part item that can be produced at the production base.
  • “ Working time ” relating to the working time of the worker when producing the product or part of the item at the production base, and the operating time of the facility when producing the product or part of the item at the production base It consists of the item “Operating hours”.
  • the simulation execution unit 14 stocks products or parts at each production site, and demands for products or parts at each production site. Calculate hours and demand quantities.
  • the demand model and supply model shown in FIGS. 3 and 4A to 4D are examples, and are not limited thereto.
  • the result data stored in the data management unit 12 will be described with reference to FIGS. 5A and 5B.
  • the inventory information in FIG. 5A includes a “supply model ID” that identifies a supply model, a “demand model ID” that identifies a demand model, and a “base” that identifies a production base that produces products or parts for the demand model.
  • the production information in FIG. 5B includes a “supply model ID” that identifies a supply model, a “demand model ID” that identifies a demand model, and a “base” that identifies a production base that produces products or parts for the demand model.
  • Delivery quantity relating to the quantity of products or parts delivered to the next production base on the delivery date.
  • the result data of FIG. 5A and FIG. 5B are examples, and are not limited thereto.
  • the present invention is applied by sequentially applying the set of the first production base and the second production base of the present invention to the three production bases A, B, and C that are linked. If the sales base has a lead time from receiving the product from the production base C to shipping, the sales base may be handled in the same manner as the production base. In this case, the sales base is the first production base of the present invention, and the production base C is the second production base of the present invention.
  • the data input unit 11 of the simulation apparatus 1 receives from the base system 2 demand information regarding the shipment and quantity of products of the sales base, the maximum production quantity of the product or parts per unit time of the production base C, and the necessary parts or Enter the base information including the lead time from the input of materials until the completion of production of the product or part, and the base information including the lead time from receiving the product from the production base C of the sales base to shipping. And stored in the data management unit 12.
  • the model definition unit 13 defines a demand model and a supply model connecting the production base C and the sales base from the base information of the sales base and the production base C stored in the data management section 12 and the demand information of the sales base.
  • the simulation execution unit 14 stores the product inventory at the production base C and the sales base, the product at the production base C based on the definition data of the demand model and the supply model connecting the production base C and the sales base stored in the data management unit 12. Calculate the production quantity, demand time and demand quantity.
  • the simulation execution unit 14 stores, in the data management unit 12, result data indicating the calculated product inventory at the production base C and the sales base, the product production quantity at the production base C, the demand time, and the demand quantity.
  • FIG. 6 is a flowchart showing an example of the operation of the simulation apparatus according to the embodiment. The following processing starts when the simulation apparatus 1 is activated.
  • FIG. 6 shows an example in which the sales base is handled in the same manner as the production base.
  • the data input unit 11 of the simulation apparatus 1 inputs the demand information of the sales base from the base system 2 (Step S11), and inputs the base information of the sales base and the production bases A to C (Step S12).
  • the data input unit 11 stores the input base information and demand information in the data management unit 12.
  • the model definition unit 13 and the simulation execution unit 14 perform a simulation execution process for calculating the inventory and production quantity for each production site based on the site information and demand information stored in the data management unit 12 (step S13).
  • the simulation execution unit 14 stores the result data indicating the simulation result as shown in FIG. 5 in the data management unit 12.
  • the result output unit 15 generates presentation data that visualizes the result data stored in the data management unit 12 (step S14).
  • the result output unit 15 transmits the generated presentation data to the terminal 3 (step S15), and ends the process. Subsequently, the simulation execution process defined in step S13 will be described with reference to FIG.
  • FIG. 7 is a flowchart showing an example of the operation of the simulation execution process according to the embodiment.
  • the model definition unit 13 defines a demand model and a supply model connecting the sales base and the production base C from the base information on the sales base and the production base C and the demand information on the sales base stored in the data management section 12 (step S21). ).
  • the model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12.
  • the simulation execution unit 14 executes a production simulation based on the definition data of the demand model and the supply model connecting the sales base and the production base C stored in the data management section 12 (step S22), and the sales base and the production base.
  • Product inventory at C, product production quantity at production base C, demand time and demand quantity are calculated.
  • the data input unit 11 inputs the demand information of the production site C from the simulation execution unit 14 (step S23).
  • the data input unit 11 stores the input demand information of the production site C in the data management unit 12.
  • the model definition unit 13 defines a demand model and a supply model connecting the production base B and the production base C from the base information of the production base B and the production base C stored in the data management section 12 and the demand information of the production base C. (Step S24).
  • the model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12.
  • the simulation execution unit 14 executes production simulation based on the definition data of the demand model and the supply model connecting the production base B and the production base C stored in the data management unit 12 (step S25).
  • the inventory and production quantity of the product or part at the production base C, and the demand time and demand quantity of the product or part at the production base B are calculated.
  • the data input unit 11 inputs the demand information of the production site B from the simulation execution unit 14 (step S26).
  • the data input unit 11 stores the input demand information of the production base B in the data management unit 12.
  • the model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base B from the base information of the production base A and the production base B stored in the data management unit 12 and the demand information of the production base B. (Step S27).
  • the model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12.
  • the simulation execution unit 14 executes production simulation based on the definition data of the demand model and the supply model connecting the production base A and the production base B stored in the data management unit 12 (step S28).
  • the inventory and production quantity of the product or part at the production base B, and the demand and quantity of the product or part at the production base B are calculated.
  • the model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base C from the base information of the production base A and the production base C stored in the data management section 12 and the demand information of the production base C. (Step S29).
  • the model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12.
  • the simulation execution unit 14 executes a production simulation based on the definition data of the demand model and the supply model connecting the production base A and the production base C stored in the data management unit 12 (step S30). The process ends after calculating the inventory and production quantity of the product or part at the production site C and the demand and quantity of the product or part at the production site A.
  • the first production base that produces the first material from the second material and the second material from the third material produce the first material.
  • a demand model and a supply model in which a plurality of production bases that are combinations of second production bases to be supplied to the production base are defined, it is possible to calculate inventory and lead time at the plurality of connected production bases. Since the demand information and the base information are input to the simulation apparatus 1, it is possible to perform a dynamic simulation considering demand fluctuation and a simulation when a sales plan or a production plan is reviewed. Further, by displaying the presentation data obtained by visualizing the result data and presenting it to the user, the simulation result can be easily analyzed.
  • the PSI plan for each site can be used as a judgment material for guiding the optimization of the inventory and lead time of the entire supply chain model.
  • the presented data can be used as material for improving the production scale, making investment plans, reviewing sales plans and production plans, securing personnel plans, securing long-term parts securing plans, and reviewing production facility enhancement plans.
  • FIG. 8 is a diagram illustrating an example of a hardware configuration of the simulation apparatus according to the embodiment.
  • the simulation apparatus 1 includes a temporary storage unit 101, a storage unit 102, a calculation unit 103, an input unit 104, an external output unit 105, and a display unit 106.
  • Temporary storage unit 101, storage unit 102, input unit 104, external output unit 105, and display unit 106 are all connected to calculation unit 103 via a BUS.
  • the calculation unit 103 includes a CPU (Central Processing Unit) and the like, and performs each process of the model definition unit 13, the simulation execution unit 14, and the result output unit 15 of the simulation apparatus 1 according to a control program stored in the storage unit 102. Execute.
  • CPU Central Processing Unit
  • the temporary storage unit 101 includes a RAM (Random-Access Memory) or the like, loads a control program stored in the storage unit 102, and is used as a work area of the calculation unit 103.
  • RAM Random-Access Memory
  • the storage unit 102 includes a nonvolatile memory such as a flash memory, a hard disk, a DVD-RAM, and a DVD-RW, and stores in advance a program for causing the calculation unit 103 to perform processing of the simulation apparatus 1. In accordance with the instruction 103, the data stored by this program is supplied to the calculation unit 103, and the data supplied from the calculation unit 103 is stored.
  • the data management unit 12 is configured in the storage unit 102.
  • the input unit 104 includes a pointing device such as a keyboard and a mouse, and an interface device that connects the keyboard and the pointing device to the BUS.
  • a pointing device such as a keyboard and a mouse
  • an interface device that connects the keyboard and the pointing device to the BUS.
  • the external output unit 105 includes a network termination device or a wireless communication device connected to the network, and a serial interface or a LAN (Local Area Network) interface connected to them.
  • the external output unit 105 functions as the result output unit 15.
  • the display unit 106 includes a CRT (Cathode Ray Tube) or an LCD (Liquid Crystal Display).
  • the display unit 106 displays an operation screen when the user inputs information to the simulation apparatus 1.
  • the simulation unit 15 displays the packing plan information on the screen
  • the packing plan information is displayed on the display unit 106.
  • the result output unit 15 displays the presentation data
  • the presentation data is displayed on the display unit 106.
  • the processing of the data input unit 11, data management unit 12, model definition unit 13, simulation execution unit 14 and result output unit 15 of the simulation apparatus 1 shown in FIG. The processing is executed by using the unit 102, the input unit 104, the external output unit 105, the display unit 106, and the like as resources.
  • the central part that performs processing of the simulation apparatus 1 including the calculation unit 103, the temporary storage unit 101, the storage unit 102, the input unit 104, the external output unit 105, the display unit 106, and the like is not based on a dedicated system. It can be realized using a normal computer system.
  • a computer program for executing the above operation is stored and distributed in a computer-readable recording medium (flexible disk, CD-ROM, DVD-ROM, etc.), and the computer program is installed in the computer.
  • the simulation apparatus 1 that executes the above-described processing may be configured.
  • the computer program may be stored in a storage device included in a server device on a communication network such as the Internet, and the simulation device 1 may be configured by being downloaded by a normal computer system.
  • the functions of the simulation apparatus 1 are realized by sharing an OS (operating system) and an application program, or by cooperation between the OS and the application program, only the application program part is stored in a recording medium or a storage device. May be.
  • the computer program may be posted on a bulletin board (BBS, Bulletin Board System) on a communication network, and the computer program may be provided via the network.
  • BSS bulletin Board System
  • the computer program may be started and executed in the same manner as other application programs under the control of the OS, so that the above-described processing may be executed.
  • the hierarchical structure of the three production bases that produce each of the first material, the second material, and the third material is taken as an example, but the hierarchy of the production bases is not limited to the embodiment.
  • a hierarchical structure of a four-level production base including a production base for the fourth material supplied to the production base that produces the third material, and so on, with N as an arbitrary natural number, sequentially for the N-level production base Apply and apply model definitions and simulations to calculate inventory and lead times for the entire supply chain.
  • 1 simulation device 1 simulation device, 2 site system, 3 terminal, 11 data input unit, 12 data management unit, 13 model definition unit, 14 simulation execution unit, 15 result output unit, 100 simulation system, 101 temporary storage unit, 102 storage unit, 103 Calculation unit, 104 input unit, 105 external output unit, 106 display unit.

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Abstract

The data input unit (11) of a simulation device (1) accepts as input thereto demand information pertaining to the demand time and demand quantity of a product, and base information including necessary components and a maximum production quantity of the product or component per unit time at each production base or a lead time from when materials are introduced to when production of the product or component is completed. A model definition unit (13) defines a demand model and supply model linking a plurality of production bases from the base information and demand information stored in a data management unit (12). A simulation execution unit (14) calculates the stock and production quantity of the product or component at each production base and the demand time and demand quantity of the component at each production base on the basis of the definition data for the demand model and supply model stored in the data management unit (12).

Description

シミュレーション装置、シミュレーションシステムおよびプログラムSimulation apparatus, simulation system, and program
 本発明は、サプライチェーンモデルを用いたシミュレーションを行うシミュレーション装置、シミュレーションシステムおよびプログラムに関する。 The present invention relates to a simulation apparatus, a simulation system, and a program for performing a simulation using a supply chain model.
 近年、製造業のグローバル化が進んでいる。これに伴い、供給リードタイムが長期化し、総在庫が増大化傾向になっており経営的な課題となるケースが増えている。しかしながら、単純に在庫を減らすと欠品など顧客満足度の低下の恐れが出る。このような背景のもと、事業に適した需要に対する供給の最適化設計が求められている。 In recent years, the globalization of the manufacturing industry has progressed. Along with this, the supply lead time has become longer, and the total inventory has been increasing, which is becoming a management issue. However, simply reducing inventory can lead to a drop in customer satisfaction, such as missing items. Against this background, there is a need for an optimized supply design for demand that is suitable for the business.
 特許文献1には、サプライチェーン全体として販売数増加の販売計画変動が生じても、資材の欠品による生産遅延および製品在庫の不足による出荷遅延を防止でき、且つ製品および資材の在庫および製品供給の物流ルートの最適化を図ることのできるサプライチェーン最適化システムが開示されている。 According to Patent Document 1, even if the sales plan fluctuates due to an increase in the number of sales in the entire supply chain, it is possible to prevent a delay in production due to a shortage of materials and a delay in shipment due to a shortage of product inventory. A supply chain optimizing system capable of optimizing the distribution route is disclosed.
 特許文献2には、複数の生産拠点を経て製造される半導体装置の生産を一元的に管理し、適切な生産計画を指示する着工管理システムが開示されている。 Patent Document 2 discloses a start management system that centrally manages the production of semiconductor devices manufactured through a plurality of production bases and instructs an appropriate production plan.
 特許文献3には、サプライチェーンモデルを作成しシミュレーターでシミュレーションを行い、その結果を基に行うサプライチェーンの設計に際し、シミュレーションの最適化結果に時間の経過にともなう乖離が生じることのないシミュレーションを可能とし、これにより時間による誤差因子が少ないサプライチェーンの設計を可能とする設計支援方法が開示されている。 In Patent Document 3, a supply chain model is created and a simulation is performed with a simulator. When a supply chain is designed based on the result, a simulation can be performed in which there is no divergence with time. Thus, there is disclosed a design support method that enables the design of a supply chain with a small error factor due to time.
 特許文献4には、当初想定した生産変動を上回る生産変動が生じても、資材の欠品を生ずることがなく、資材の在庫費用及び資材調達の物流費用の合計費用を最小とすることができるサプライチェーンの効率化支援方法が開示されている。 In Patent Document 4, even if a production fluctuation exceeding the initially assumed production fluctuation occurs, there is no shortage of materials, and the total cost of material inventory costs and material procurement logistics costs can be minimized. A supply chain efficiency support method is disclosed.
国際公開第2010/010788号International Publication No. 2010/010788 特開2003-228410号公報JP 2003-228410 A 特開2007-193561号公報JP 2007-193561 A 特開2009-42810号公報JP 2009-42810 A
 グローバルな製造業において、1つの製品を工程別に複数の生産拠点で連携して生産するケースが多くなっている。しかしながら、特許文献1~4に記載の技術では、1つの生産拠点で第3の材から生産した第2の材を次の生産拠点に供給し、次の生産拠点で第2材から第1の材を生産するような、材の流通する経路に沿って連携する複数の生産拠点を連結した在庫およびリードタイムを算出することができない。 In the global manufacturing industry, there are many cases where one product is produced in cooperation with multiple production bases for each process. However, in the techniques described in Patent Documents 1 to 4, the second material produced from the third material at one production base is supplied to the next production base, and the second material from the second material is produced at the next production base. It is not possible to calculate the inventory and lead time in which a plurality of production bases linked together along the route through which the material is distributed, such as producing the material.
 本発明は、上記のような問題点に鑑みてなされたものであり、材の流通する経路に沿って連携する複数の生産拠点を連結した在庫およびリードタイムの算出を可能にすることを目的とする。 The present invention has been made in view of the above problems, and an object of the present invention is to enable calculation of inventory and lead time in which a plurality of production bases linked together along a route through which materials are distributed. To do.
 上記目的を達成するため、本発明に係るシミュレーション装置は、需要情報入力部と、拠点情報入力部と、モデル定義部と、シミュレーション実行部とを備える。需要情報入力部は、第1の材の需要時および需要数量に関する需要情報を入力する。拠点情報入力部は、第1の材を生産する第1の生産拠点の単位時間あたりの第1の材の最大生産数量および第2の材を投入してから第1の材の生産を完了するまでのリードタイム、ならびに、第2の材を生産して第1の生産拠点に供給する第2の生産拠点の単位時間あたりの第2の材の最大生産数量および第3の材を投入してから第2の材の生産を完了するまでのリードタイムを含む拠点情報を入力する。モデル定義部は、需要情報入力部および拠点情報入力部にそれぞれ入力した需要情報および拠点情報に基づいて、第1の生産拠点および第2の生産拠点を連結した需要モデルおよび供給モデルを定義する。シミュレーション実行部は、需要モデルおよび供給モデルの定義データに基づいて、第1の材の在庫および生産数量、ならびに、第2の材の在庫および生産数量を算出する。 To achieve the above object, a simulation apparatus according to the present invention includes a demand information input unit, a base information input unit, a model definition unit, and a simulation execution unit. The demand information input unit inputs demand information related to demand and quantity of demand for the first material. The site information input unit inputs the maximum production quantity of the first material per unit time and the second material of the first production site that produces the first material, and then completes the production of the first material. Lead time, and the maximum production quantity of the second material per unit time of the second production base that produces the second material and supplies it to the first production base and the third material The base information including the lead time until the completion of the production of the second material is input. The model definition unit defines a demand model and a supply model connecting the first production base and the second production base based on the demand information and the base information input to the demand information input unit and the base information input unit, respectively. The simulation execution unit calculates the inventory and production quantity of the first material and the inventory and production quantity of the second material based on the definition data of the demand model and the supply model.
 本発明によれば、第1の材を生産する第1の生産拠点と第2の材を生産して第1の生産拠点に供給する第2の生産拠点を連結した需要モデルおよび供給モデルを定義することで、材の流通する経路に沿って連携する複数の生産拠点を連結した在庫およびリードタイムの算出が可能になる。 According to the present invention, a demand model and a supply model are defined in which a first production base that produces a first material and a second production base that produces a second material and supplies the first material to the first production base are connected. By doing so, it is possible to calculate the inventory and lead time in which a plurality of production bases linked together along the route through which the material is distributed.
本発明の実施の形態に係るシミュレーション装置のシミュレーション範囲の一例を示す図The figure which shows an example of the simulation range of the simulation apparatus which concerns on embodiment of this invention 実施の形態に係るシミュレーションシステムの構成例を示す図The figure which shows the structural example of the simulation system which concerns on embodiment 実施の形態に係る需要モデルの定義データの例を示す図The figure which shows the example of the definition data of the demand model which concerns on embodiment 実施の形態に係る拠点品目情報の例を示す図The figure which shows the example of the base item information which concerns on embodiment 実施の形態に係る製品構成情報の例を示す図The figure which shows the example of the product structure information which concerns on embodiment 実施の形態に係る工程情報の例を示す図The figure which shows the example of the process information which concerns on embodiment 実施の形態に係る拠点品目コスト情報の例を示す図The figure which shows the example of the base item cost information which concerns on embodiment 実施の形態に係る在庫情報の例を示す図The figure which shows the example of the inventory information which concerns on embodiment 実施の形態に係る生産情報の例を示す図The figure which shows the example of the production information which concerns on embodiment 実施の形態に係るシミュレーション装置の動作の一例を示すフローチャートThe flowchart which shows an example of operation | movement of the simulation apparatus which concerns on embodiment 実施の形態に係るシミュレーション実行処理の動作の一例を示すフローチャートThe flowchart which shows an example of operation | movement of the simulation execution process which concerns on embodiment 実施の形態に係るシミュレーション装置のハードウェア構成の一例を示す図The figure which shows an example of the hardware constitutions of the simulation apparatus which concerns on embodiment
 以下に、本発明を実施するための形態について図面を参照して詳細に説明する。なお、図中同一または相当する部分には同じ符号を付す。 Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. In addition, the same code | symbol is attached | subjected to the part which is the same or it corresponds in a figure.
 図1は、本発明の実施の形態に係るシミュレーション装置のシミュレーション範囲の一例を示す図である。本実施の形態では、製品の製造の工程別に材の流通する経路に沿って連携する複数の生産拠点で製品または部品を生産し、複数の販売拠点でカスタマに製品を販売するサプライチェーンを対象としている。生産拠点で生産する材は、製品や部品に限らず、塗料や金属線のような資材の場合もある。図1では、部品製造、キーパーツ製造および製品組立の3つの工程別に材の流通する経路に沿って連携する3つの生産拠点A、生産拠点Bおよび生産拠点Cを含むサプライチェーンを示している。部品製造の生産拠点Aで生産された部品は、キーパーツ製造の生産拠点Bおよび製品組立の生産拠点Cに供給され、キーパーツ製造の生産拠点Bで生産されたキーパーツは、製品組立の生産拠点Cに供給される。製品組立の生産拠点Cで組み立てられた製品は、3つの販売拠点に供給される。各生産拠点は、必要な部品や資材をサプライヤから供給される。 FIG. 1 is a diagram showing an example of a simulation range of the simulation apparatus according to the embodiment of the present invention. This embodiment targets a supply chain that produces products or parts at a plurality of production bases that cooperate along the route of distribution of materials according to the manufacturing process of products, and sells products to customers at a plurality of sales bases. Yes. The materials produced at the production base are not limited to products and parts, but may be materials such as paints and metal wires. FIG. 1 shows a supply chain including three production bases A, production bases B, and production bases C that cooperate along a route through which materials are distributed in three processes of parts manufacture, key parts manufacture, and product assembly. Parts produced at parts manufacturing production base A are supplied to key parts manufacturing production base B and product assembly production base C, and key parts produced at key parts manufacturing production base B are produced during product assembly. Supplied to site C. The product assembled at the production base C for product assembly is supplied to three sales bases. Each production base is supplied with necessary parts and materials from a supplier.
 例えば、生産拠点Aおよび生産拠点Bに着目すると、生産拠点Bが、本発明の第1の生産拠点であって、生産拠点Aが、本発明の第2の生産拠点である。サプライヤから生産拠点Aに供給される必要な部品や資材は、本発明の第3の材である。生産拠点Aで生産される部品は、本発明の第2の材である。生産拠点Bで生産されるキーパーツは、本発明の第1の材である。 For example, focusing on the production base A and the production base B, the production base B is the first production base of the present invention, and the production base A is the second production base of the present invention. Necessary parts and materials supplied from the supplier to the production site A are the third material of the present invention. The part produced at the production site A is the second material of the present invention. The key parts produced at the production base B are the first material of the present invention.
 同様に、生産拠点Bおよび生産拠点Cに着目すると、生産拠点Cが、本発明の第1の生産拠点であって、生産拠点Bが、本発明の第2の生産拠点である。生産拠点Aから生産拠点Bに供給される部品は、本発明の第3の材である。生産拠点Bで生産されるキーパーツは、本発明の第2の材である。生産拠点Cで生産される製品は、本発明の第1の材である。このように、サプライチェーンに含まれる複数の生産拠点は、3つ以上であっても、ツリー状に連結していても、本発明の材の流通する経路に沿って連携する第1の生産拠点および第2の生産拠点の組を順次当てはめて、本発明を適用できる。 Similarly, focusing on the production base B and the production base C, the production base C is the first production base of the present invention, and the production base B is the second production base of the present invention. The part supplied from the production base A to the production base B is the third material of the present invention. The key parts produced at the production base B are the second material of the present invention. The product produced at the production site C is the first material of the present invention. As described above, even if there are three or more production bases included in the supply chain, even if they are connected in a tree shape, the first production base cooperates along the route through which the material of the present invention circulates. The present invention can be applied by sequentially applying a set of second production bases.
 シミュレーション装置は、生産拠点、販売拠点およびサプライヤの範囲をシミュレーション範囲とする。なお、シミュレーションの対象となるサプライチェーンは図1の例に限らず、本発明の第1の生産拠点および第2の生産拠点に相当する2つの生産拠点を含んでいればよい。例えば、在庫を集約する物流拠点のような他の拠点をシミュレーション範囲に含んでもよい。 * The simulation equipment uses the production base, sales base, and supplier as the simulation scope. Note that the supply chain to be simulated is not limited to the example of FIG. 1, but may include two production bases corresponding to the first production base and the second production base of the present invention. For example, another base such as a distribution base that collects inventory may be included in the simulation range.
 図2は、実施の形態に係るシミュレーションシステムの構成例を示す図である。シミュレーションシステム100は、シミュレーション装置1と、拠点システム2と、端末3とで構成される。拠点システム2は、生産拠点に関する情報を管理するシステムである。拠点システム2は、各生産拠点のデータをまとめて管理する1つのシステムであってもよいし、生産拠点ごとに備えられる分散システムであってもよい。端末3は、ユーザが使用する端末であって、受信したデータを表示する機能を備える。 FIG. 2 is a diagram illustrating a configuration example of the simulation system according to the embodiment. The simulation system 100 includes a simulation apparatus 1, a base system 2, and a terminal 3. The base system 2 is a system that manages information related to the production base. The base system 2 may be one system that collectively manages data of each production base, or may be a distributed system provided for each production base. The terminal 3 is a terminal used by the user and has a function of displaying received data.
 シミュレーション装置1は、機能構成として、データ入力部11、データ管理部12、モデル定義部13、シミュレーション実行部14および結果出力部15を備える。データ入力部11は、拠点システム2から、生産拠点Cの製品の需要時および需要数量に関する需要情報と、生産拠点Bおよび生産拠点Cの単位時間あたりの製品または部品の最大生産数量および必要な部品または資材を投入してから製品または部品の生産を完了するまでのリードタイムを含む拠点情報とを入力する。データ入力部11は、本発明の需要情報入力部および拠点情報入力部である。需要情報は、例えば、カスタマからの製品の需要計画や販売拠点の製品の販売計画である。拠点情報は、例えば、生産拠点のBOM(Bill of materials)、作業員数、作業員の作業時間、設備の稼働時間、生産する製品または部品のリードタイム、総稼働日数などである。拠点情報には、各生産拠点の識別情報が対応付けられている。拠点情報の各種パラメータの定義は各生産拠点で統一されている。データ入力部11は、入力した拠点情報および需要情報をデータ管理部12に記憶する。 The simulation apparatus 1 includes a data input unit 11, a data management unit 12, a model definition unit 13, a simulation execution unit 14, and a result output unit 15 as functional configurations. The data input unit 11 receives from the base system 2 demand information regarding the demand and quantity of products at the production base C, the maximum production quantity of products or parts per unit time at the production base B and the production base C, and necessary parts. Alternatively, the base information including the lead time from when the material is input to when the production of the product or part is completed is input. The data input unit 11 is a demand information input unit and a base information input unit of the present invention. The demand information is, for example, a demand plan for products from customers or a sales plan for products at sales bases. The base information includes, for example, BOM (Bill of materials) of the production base, the number of workers, the working time of the workers, the operating time of the equipment, the lead time of the product or part to be produced, the total working days, and the like. The base information is associated with the identification information of each production base. The definition of various parameters of site information is unified at each production site. The data input unit 11 stores the input base information and demand information in the data management unit 12.
 データ入力部11は、拠点情報および需要情報の入力を受け付けてもよい。この場合、シミュレーションシステム100は、拠点システム2を備えなくてもよい。また、データ入力部11は、製品または部品の初期在庫に関する初期在庫情報を入力してもよい。初期在庫とは、前回の生産でロット数量よりも需要数量が多かった場合のロット数量から需要数量を減算した製品または部品の在庫である。この場合、データ入力部11は、本発明の初期在庫情報入力部である。データ入力部11は、入力した初期在庫情報をデータ管理部12に記憶する。 The data input unit 11 may accept input of base information and demand information. In this case, the simulation system 100 may not include the base system 2. Further, the data input unit 11 may input initial inventory information related to an initial inventory of products or parts. The initial stock is a stock of products or parts obtained by subtracting the demand quantity from the lot quantity when the demand quantity is larger than the lot quantity in the previous production. In this case, the data input unit 11 is an initial inventory information input unit of the present invention. The data input unit 11 stores the input initial inventory information in the data management unit 12.
 モデル定義部13は、データ管理部12が記憶する生産拠点Bおよび生産拠点Cの拠点情報および生産拠点Cの需要情報から、生産拠点Bおよび生産拠点Cを連結した需要モデルおよび供給モデルを定義する。データ入力部11が、初期在庫情報を入力する場合には、モデル定義部13は、データ管理部12が記憶する拠点情報、需要情報および初期在庫情報から、生産拠点Bおよび生産拠点Cを連結した需要モデルおよび供給モデルを定義する。モデル定義部13は、定義した需要モデルおよび供給モデルの定義データをデータ管理部12に記憶する。 The model definition unit 13 defines a demand model and a supply model connecting the production base B and the production base C from the base information of the production base B and the production base C stored in the data management section 12 and the demand information of the production base C. . When the data input unit 11 inputs initial stock information, the model definition unit 13 connects the production base B and the production base C from the base information, demand information, and initial stock information stored in the data management unit 12. Define demand and supply models. The model definition unit 13 stores the defined demand model and supply model definition data in the data management unit 12.
 シミュレーション実行部14は、データ管理部12が記憶する生産拠点Bおよび生産拠点Cを連結した需要モデルおよび供給モデルの定義データに基づいて、生産拠点Bおよび生産拠点Cにおける製品または部品の在庫および生産数量、ならびに、生産拠点Bにおける製品または部品の需要時および需要数量を算出する。在庫とは、次の生産拠点に納入するまでの間保管される、生産が完了した納入予定の製品または部品の在庫である。シミュレーション実行部14は、算出した生産拠点Bおよび生産拠点Cにおける製品または部品の在庫および生産数量、ならびに、生産拠点Bにおける製品または部品の需要時および需要数量を示す結果データをデータ管理部12に記憶する。生産のシミュレーションでは、例えば、生産拠点における需要数量が該生産拠点の単位時間あたりの生産量を超えない場合には、単位時間を該生産拠点の生産期間とし、生産拠点における需要数量が該生産拠点の単位時間あたりの生産量を超える場合には、需要数量を単位時間あたりの生産量で除算して切り上げた値に単位時間を乗算した値を該生産拠点の生産期間とする。 Based on the demand model and supply model definition data connecting the production base B and the production base C stored in the data management section 12, the simulation execution section 14 stocks and produces products or parts at the production base B and the production base C. The quantity, the demand time and the demand quantity of the product or part at the production site B are calculated. The inventory is an inventory of products or parts to be delivered that have been produced and stored until delivery to the next production site. The simulation execution unit 14 provides the data management unit 12 with result data indicating the calculated inventory and production quantity of the product or part at the production base B and the production base C, and the demand and demand quantity of the product or part at the production base B. Remember. In the production simulation, for example, when the demand quantity at the production base does not exceed the production amount per unit time of the production base, the unit time is set as the production period of the production base, and the demand quantity at the production base is the production base. When the production amount per unit time is exceeded, a value obtained by dividing the demand quantity by the production amount per unit time and rounding it up is multiplied by the unit time as the production period of the production base.
 データ入力部11は、拠点システム2から生産拠点Aの単位時間あたりの製品または部品の最大生産数量および必要な部品または資材を投入してから製品または部品の生産を完了するまでのリードタイムを含む拠点情報を入力する。データ入力部11は、シミュレーション実行部14から生産拠点Bにおける製品または部品の需要時および需要数量を示す結果データを、生産拠点Bの需要時および需要数量に関する需要情報として入力する。データ入力部11は、入力した拠点情報および需要データをデータ管理部12に記憶する。 The data input unit 11 includes the maximum production quantity of a product or part per unit time of the production base A from the base system 2 and the lead time from when a necessary part or material is input until the production of the product or part is completed. Enter site information. The data input unit 11 inputs, from the simulation execution unit 14, result data indicating the demand and quantity of products or parts at the production site B as demand information regarding the demand and quantity of the production site B. The data input unit 11 stores the input base information and demand data in the data management unit 12.
 モデル定義部13は、データ管理部12が記憶する生産拠点AおよびBの拠点情報および生産拠点Bの需要情報から、生産拠点Aおよび生産拠点Bを連結した需要モデルおよび供給モデルを定義する。データ入力部11が、初期在庫情報を入力する場合には、モデル定義部13は、データ管理部12が記憶する拠点情報、需要情報および初期在庫情報から、生産拠点Aおよび生産拠点Bを連結した需要モデルおよび供給モデルを定義する。モデル定義部13は、定義した需要モデルおよび供給モデルの定義データをデータ管理部12に記憶する。 The model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base B from the base information of the production bases A and B and the demand information of the production base B stored in the data management unit 12. When the data input unit 11 inputs initial stock information, the model definition unit 13 connects the production base A and the production base B from the base information, demand information, and initial stock information stored in the data management unit 12. Define demand and supply models. The model definition unit 13 stores the defined demand model and supply model definition data in the data management unit 12.
 シミュレーション実行部14は、データ管理部12が記憶する生産拠点Aおよび生産拠点Bを連結した需要モデルおよび供給モデルの定義データに基づいて、生産拠点Aおよび生産拠点Bにおける製品または部品の在庫および生産数量、ならびに、生産拠点Aにおける製品または部品の需要時および需要数量を算出する。シミュレーション実行部14は、算出した生産拠点Aおよび生産拠点Bにおける製品または部品の在庫および生産数量、ならびに、生産拠点Aにおける製品または部品の需要時および需要数量を示す結果データをデータ管理部12に記憶する。このように、3つ生産拠点(生産拠点A、生産拠点Bおよび生産拠点C)が連結している場合でも、生産拠点Aおよび生産拠点B、ならびに、生産拠点Bおよび生産拠点Cを、それぞれ本発明の材の流通する経路に沿って連携する第1の生産拠点および第2の生産拠点の組と考えることで、本発明を適用できる。データ入力部11、モデル定義部13およびシミュレーション実行部14は、生産拠点Aおよび生産拠点Cの組み合わせに対しても同様の処理を行う。 Based on the demand model and supply model definition data connecting the production base A and the production base B stored in the data management section 12, the simulation execution section 14 stocks and produces products or parts at the production base A and the production base B. The quantity, the demand time and the demand quantity of the product or part at the production site A are calculated. The simulation execution unit 14 provides the data management unit 12 with result data indicating the calculated inventory and production quantity of the product or part at the production base A and production base B, and the demand and demand quantity of the product or part at the production base A. Remember. As described above, even when three production bases (production base A, production base B, and production base C) are connected, the production base A and the production base B, and the production base B and the production base C are respectively The present invention can be applied by considering it as a set of a first production base and a second production base that cooperate along the route through which the material of the invention circulates. The data input unit 11, the model definition unit 13, and the simulation execution unit 14 perform the same processing for the combination of the production base A and the production base C.
 データ入力部11は、拠点システム2から、生産拠点Cの製品の需要時および需要数量に関する需要情報と、生産拠点Aおよび生産拠点Cの単位時間あたりの製品または部品の最大生産数量および必要な部品または資材を投入してから製品または部品の生産を完了するまでのリードタイムを含む拠点情報とを入力する。データ入力部11は、入力した拠点情報および需要情報をデータ管理部12に記憶する。データ入力部11がこれらの情報をすでに入力している場合には入力してなくてもよい。また、データ入力部11は、生産拠点A~生産拠点Cの拠点情報を最初にまとめて入力してもよいし、定期的に入力してもよい。 The data input unit 11 receives from the base system 2 demand information regarding the demand and quantity of products of the production base C, the maximum production quantity of products or parts per unit time of the production base A and the production base C, and necessary parts. Alternatively, the base information including the lead time from when the material is input to when the production of the product or part is completed is input. The data input unit 11 stores the input base information and demand information in the data management unit 12. If the data input unit 11 has already input such information, it may not be input. Further, the data input unit 11 may input the base information of the production bases A to C at the first time or may input them periodically.
 モデル定義部13は、データ管理部12が記憶する生産拠点AおよびCの拠点情報および生産拠点Cの需要情報から、生産拠点Aおよび生産拠点Cを連結した需要モデルおよび供給モデルを定義する。データ入力部11が、初期在庫情報を入力する場合には、モデル定義部13は、データ管理部12が記憶する拠点情報、需要情報および初期在庫情報から、生産拠点Aおよび生産拠点Cを連結した需要モデルおよび供給モデルを定義する。モデル定義部13は、定義した需要モデルおよび供給モデルの定義データをデータ管理部12に記憶する。 The model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base C from the base information of the production bases A and C and the demand information of the production base C stored in the data management section 12. When the data input unit 11 inputs initial stock information, the model definition unit 13 connects the production base A and the production base C from the base information, demand information, and initial stock information stored in the data management unit 12. Define demand and supply models. The model definition unit 13 stores the defined demand model and supply model definition data in the data management unit 12.
 シミュレーション実行部14は、データ管理部12が記憶する生産拠点Aおよび生産拠点Cを連結した需要モデルおよび供給モデルの定義データに基づいて、生産拠点Aおよび生産拠点Cにおける製品または部品の在庫および生産数量、ならびに、生産拠点Aにおける製品または部品の需要時および需要数量を算出する。シミュレーション実行部14は、算出した生産拠点Aおよび生産拠点Cにおける製品または部品の在庫および生産数量、ならびに、生産拠点Aにおける製品または部品の需要時および需要数量を示す結果データをデータ管理部12に記憶する。このように、1つ生産拠点(生産拠点C)に対して、複数の生産拠点(生産拠点Aおよび生産拠点B)から部品が供給される場合でも、生産拠点Aおよび生産拠点C、ならびに、生産拠点Bおよび生産拠点Cを、それぞれ本発明の材の流通する経路に沿って連携する第1の生産拠点および第2の生産拠点の組と考えることで、本発明を適用できる。 Based on the demand model and supply model definition data connecting the production base A and the production base C stored in the data management section 12, the simulation execution section 14 stocks and produces products or parts at the production base A and the production base C. The quantity, the demand time and the demand quantity of the product or part at the production site A are calculated. The simulation execution unit 14 provides the data management unit 12 with result data indicating the calculated inventory and production quantity of the product or part at the production base A and the production base C, and the demand and quantity of the product or part at the production base A. Remember. Thus, even when parts are supplied from one or more production bases (production base A and production base B) to one production base (production base C), production base A and production base C, and production The present invention can be applied by considering the base B and the production base C as a set of a first production base and a second production base that cooperate with each other along the route through which the material of the present invention circulates.
 結果出力部15は、データ管理部12が記憶する結果データを可視化した提示データを生成し、端末3に送信する。結果出力部15は、結果データが示す各生産拠点における製品または部品の在庫および生産数量、ならびに、各生産拠点における製品または部品の需要時および需要数量から、連結した複数の生産拠点における在庫およびリードタイムを算出できる。結果出力部15は、連結した複数の生産拠点全体の在庫およびリードタイムを算出してもよしい、製品または部品の種類別の在庫およびリードタイムを算出してもよい。結果出力部15は、拠点別の在庫およびリードタイムを算出してもよいし、工程別の在庫およびリードタイムを算出してもよい。 The result output unit 15 generates presentation data that visualizes the result data stored in the data management unit 12 and transmits the presentation data to the terminal 3. The result output unit 15 obtains inventory and leads at a plurality of production bases connected from the inventory and production quantity of the product or parts at each production base indicated by the result data and the demand and demand quantity of the product or part at each production base. Time can be calculated. The result output unit 15 may calculate the stock and lead time of the entire plurality of connected production bases, or may calculate the stock and lead time for each type of product or part. The result output unit 15 may calculate the stock and lead time for each base, or may calculate the stock and lead time for each process.
 結果データの可視化は、例えば、結果データの時系列の推移のグラフや、需要モデルおよび供給モデル別の結果データの比較のグラフ、製品または部品の種類別の結果データの比較のグラフ、拠点別の結果データの比較のグラフ、工程別の結果データの比較のグラフを表示させてもよいし、結果データを一覧で表示させてもよい。端末3は、シミュレーション装置1から受信した提示データを表示する。なお、結果出力部15は、生成した提示データを表示してもよい。この場合、シミュレーションシステム100は、端末3を備えなくてもよい。ここで、データ管理部12が記憶する需要モデルおよび供給モデルの定義データについて図3を用いて説明する。 Visualization of the result data includes, for example, a graph of the transition of the result data over time, a graph of comparison of the result data by demand model and supply model, a graph of comparison of the result data by product or part type, and a graph by site A graph of comparison of result data, a graph of comparison of result data for each process may be displayed, or the result data may be displayed in a list. The terminal 3 displays the presentation data received from the simulation device 1. The result output unit 15 may display the generated presentation data. In this case, the simulation system 100 may not include the terminal 3. Here, the demand model and supply model definition data stored in the data management unit 12 will be described with reference to FIG.
 図3は、実施の形態に係る需要モデルの定義データの例を示す図である。需要計画情報は、需要モデルを識別する「需要モデルID」と、製品の品目を識別する「製品品目ID」と、該製品を販売する販売拠点を識別する「販売拠点ID」と、該製品を該販売拠点に供給する生産拠点を識別する「生産拠点ID」と、該製品の納期に関する「納期」と、該製品を販売する数量に関する「販売数量」との項目からなる。 FIG. 3 is a diagram illustrating an example of definition data of the demand model according to the embodiment. The demand plan information includes a “demand model ID” for identifying a demand model, a “product item ID” for identifying a product item, a “sales base ID” for identifying a sales base for selling the product, and the product. It consists of items of “production base ID” for identifying a production base to be supplied to the sales base, “delivery date” for the delivery date of the product, and “sales quantity” for the quantity for selling the product.
 図4Aから図4Dは、実施の形態に係る供給モデルの定義データの例を示す。図4Aの拠点品目情報は、供給モデルを識別する「供給モデルID」と、生産拠点を識別する「拠点ID」と、該生産拠点で生産可能な製品または部品の品目を識別する「品目ID」と、該生産拠点での該品目のリードタイムに関する「リードタイム」と、該生産拠点での該品目の初期在庫の数量に関する「初期在庫数量」と、該生産拠点の月あたりの総稼働日数に関する「総稼働日数」との項目からなる。図4Bの製品構成情報は、複数の生産拠点のBOMを連結した統合BOMであり、供給モデルを識別する「供給モデルID」と、親部品(製品を含む)の品目を識別する「品目ID親」と、該親部品を生産する生産拠点を識別する「拠点ID親」と、子部品の品目を識別する「品目ID子」と、該子部品を生産する生産拠点を識別する「拠点ID子」との項目からなる。子部品を生産する生産拠点から親部品を生産する生産拠点に子部品が供給される。 4A to 4D show examples of supply model definition data according to the embodiment. The site item information in FIG. 4A includes a “supply model ID” that identifies a supply model, a “location ID” that identifies a production site, and a “item ID” that identifies a product or part item that can be produced at the production site. And “lead time” relating to the lead time of the item at the production base, “initial stock quantity” relating to the initial stock quantity of the item at the production base, and total working days per month of the production base It consists of the item “Total working days”. The product configuration information in FIG. 4B is an integrated BOM that connects BOMs of a plurality of production bases. The “supply model ID” that identifies the supply model and the “item ID parent” that identifies the item of the parent part (including the product). , A “site ID parent” that identifies the production site that produces the parent part, a “item ID child” that identifies the item of the child part, and a “base ID child that identifies the production site that produces the child part” ". The child parts are supplied from the production base that produces the child parts to the production base that produces the parent parts.
 図4Cの工程情報は、供給モデルを識別する「供給モデルID」と、生産拠点を識別する「拠点ID」と、該生産拠点で行われる工程を識別する「工程ID」と、該工程を行うことが可能な作業員の数に関する「作業員数」と、1日あたりの作業員の作業可能時間に関する「作業員保有能力」と、1日あたりの設備の稼働可能時間に関する「設備保有能力」との項目からなる。図4Dの拠点品目コスト情報は、供給モデルを識別する「供給モデルID」と、生産拠点を識別する「拠点ID」と、該生産拠点で生産可能な製品または部品の品目を識別する「品目ID」と、該生産拠点で該品目の製品または部品を生産する場合の作業員の作業時間に関する「作業時間」と、該生産拠点で該品目の製品または部品を生産する場合の設備の稼働時間に関する「稼働時間」との項目からなる。 The process information of FIG. 4C performs the process with “supply model ID” for identifying the supply model, “base ID” for identifying the production base, and “process ID” for identifying the process performed at the production base. “Number of workers” regarding the number of workers that can be used, “Worker possession ability” regarding the workable hours of workers per day, and “Equipment possession capacity” concerning the operation hours of equipment per day It consists of items. The base item cost information in FIG. 4D includes a “supply model ID” that identifies a supply model, a “base ID” that identifies a production base, and a “item ID” that identifies a product or part item that can be produced at the production base. ”,“ Working time ”relating to the working time of the worker when producing the product or part of the item at the production base, and the operating time of the facility when producing the product or part of the item at the production base It consists of the item “Operating hours”.
 ミュレーション実行部14は、図3および図4Aから図4Dに示すような需要モデルおよび供給モデルの定義データに基づいて、各生産拠点における製品または部品の在庫、各生産拠点における製品または部品の需要時および需要数量を算出する。図3および図4Aから図4Dの需要モデルおよび供給モデルは例であり、これに限らない。続いて、データ管理部12が記憶する結果データについて図5Aおよび図5Bを用いて説明する。 Based on the demand model and supply model definition data as shown in FIGS. 3 and 4A to 4D, the simulation execution unit 14 stocks products or parts at each production site, and demands for products or parts at each production site. Calculate hours and demand quantities. The demand model and supply model shown in FIGS. 3 and 4A to 4D are examples, and are not limited thereto. Next, the result data stored in the data management unit 12 will be described with reference to FIGS. 5A and 5B.
 図5Aおよび図5Bは、実施の形態に係る結果データの例を示す。図5Aの在庫情報は、供給モデルを識別する「供給モデルID」と、需要モデルを識別する「需要モデルID」と、該需要モデルに対して製品または部品を生産する生産拠点を識別する「拠点ID」と、該需要モデルに対して該生産拠点で生産する製品または部品の品目を識別する「品目ID」と、対象の日に関する「年月日」と、対象の日の該品目の在庫の数量に関する「在庫数量」との項目からなる。 5A and 5B show examples of result data according to the embodiment. The inventory information in FIG. 5A includes a “supply model ID” that identifies a supply model, a “demand model ID” that identifies a demand model, and a “base” that identifies a production base that produces products or parts for the demand model. “ID”, “item ID” for identifying an item of a product or part produced at the production base for the demand model, “year / month / day” regarding the target date, and inventory of the item on the target date It consists of the item “stock quantity” regarding quantity.
 図5Bの生産情報は、供給モデルを識別する「供給モデルID」と、需要モデルを識別する「需要モデルID」と、該需要モデルに対して製品または部品を生産する生産拠点を識別する「拠点ID」と、該需要モデルに対して該生産拠点で生産する製品または部品の品目に関する「品目ID」と、該生産拠点生産拠点で生産する該品目の製品または部品の次の生産拠点への納期に関する「納期」と、該納期に次の生産拠点へ納入する製品または部品の数量に関する「納入数量」との項目からなる。図5Aおよび図5Bの結果データは例であり、これに限らない。 The production information in FIG. 5B includes a “supply model ID” that identifies a supply model, a “demand model ID” that identifies a demand model, and a “base” that identifies a production base that produces products or parts for the demand model. “ID”, “item ID” related to the item of the product or part produced at the production base for the demand model, and the delivery date of the product or part of the item produced at the production base production base to the next production base And “delivery quantity” relating to the quantity of products or parts delivered to the next production base on the delivery date. The result data of FIG. 5A and FIG. 5B are examples, and are not limited thereto.
 上記の説明では、連携する3つの生産拠点A、生産拠点Bおよび生産拠点Cに、本発明の第1の生産拠点および第2の生産拠点の組を順次当てはめて、本発明を適用したが、販売拠点に生産拠点Cから製品を受け取ってから出荷するまでのリードタイムがある場合は、販売拠点を生産拠点と同様に扱ってもよい。この場合、販売拠点を本発明の第1の生産拠点とし、生産拠点Cを本発明の第2の生産拠点とする。シミュレーション装置1のデータ入力部11は、拠点システム2から、販売拠点の製品の出荷時および出荷数量に関する需要情報と、生産拠点Cの単位時間あたりの製品または部品の最大生産数量および必要な部品または資材を投入してから製品または部品の生産を完了するまでのリードタイムを含む拠点情報と、販売拠点の生産拠点Cから製品を受け取ってから出荷するまでのリードタイムを含む拠点情報とを入力し、データ管理部12に記憶する。 In the above description, the present invention is applied by sequentially applying the set of the first production base and the second production base of the present invention to the three production bases A, B, and C that are linked. If the sales base has a lead time from receiving the product from the production base C to shipping, the sales base may be handled in the same manner as the production base. In this case, the sales base is the first production base of the present invention, and the production base C is the second production base of the present invention. The data input unit 11 of the simulation apparatus 1 receives from the base system 2 demand information regarding the shipment and quantity of products of the sales base, the maximum production quantity of the product or parts per unit time of the production base C, and the necessary parts or Enter the base information including the lead time from the input of materials until the completion of production of the product or part, and the base information including the lead time from receiving the product from the production base C of the sales base to shipping. And stored in the data management unit 12.
 モデル定義部13は、データ管理部12が記憶する販売拠点および生産拠点Cの拠点情報および販売拠点の需要情報から、生産拠点Cおよび販売拠点を連結した需要モデルおよび供給モデルを定義し、データ管理部12に記憶する。シミュレーション実行部14は、データ管理部12が記憶する生産拠点Cおよび販売拠点を連結した需要モデルおよび供給モデルの定義データに基づいて、生産拠点Cおよび販売拠点における製品の在庫、生産拠点Cにおける製品の生産数量、需要時および需要数量を算出する。シミュレーション実行部14は、算出した生産拠点Cおよび販売拠点における製品の在庫、生産拠点Cにおける製品の生産数量、需要時および需要数量を示す結果データをデータ管理部12に記憶する。ここで、シミュレーション装置1が行う処理について図6を用いて説明する。 The model definition unit 13 defines a demand model and a supply model connecting the production base C and the sales base from the base information of the sales base and the production base C stored in the data management section 12 and the demand information of the sales base. Store in unit 12. The simulation execution unit 14 stores the product inventory at the production base C and the sales base, the product at the production base C based on the definition data of the demand model and the supply model connecting the production base C and the sales base stored in the data management unit 12. Calculate the production quantity, demand time and demand quantity. The simulation execution unit 14 stores, in the data management unit 12, result data indicating the calculated product inventory at the production base C and the sales base, the product production quantity at the production base C, the demand time, and the demand quantity. Here, processing performed by the simulation apparatus 1 will be described with reference to FIG.
 図6は、実施の形態に係るシミュレーション装置の動作の一例を示すフローチャートである。以下の処理は、シミュレーション装置1が起動すると開始する。図6では、販売拠点も生産拠点と同様に扱う場合の例を示す。シミュレーション装置1のデータ入力部11は、拠点システム2から、販売拠点の需要情報を入力し(ステップS11)、販売拠点および生産拠点A~生産拠点Cの拠点情報を入力する(ステップS12)。データ入力部11は、入力した拠点情報および需要情報をデータ管理部12に記憶する。 FIG. 6 is a flowchart showing an example of the operation of the simulation apparatus according to the embodiment. The following processing starts when the simulation apparatus 1 is activated. FIG. 6 shows an example in which the sales base is handled in the same manner as the production base. The data input unit 11 of the simulation apparatus 1 inputs the demand information of the sales base from the base system 2 (Step S11), and inputs the base information of the sales base and the production bases A to C (Step S12). The data input unit 11 stores the input base information and demand information in the data management unit 12.
 モデル定義部13およびシミュレーション実行部14は、データ管理部12が記憶する拠点情報および需要情報に基づいて、生産拠点ごとの在庫および生産数量を算出するシミュレーション実行処理を行う(ステップS13)。シミュレーション実行部14は、図5のようなシミュレーション結果を示す結果データをデータ管理部12に記憶する。結果出力部15は、データ管理部12が記憶する結果データを可視化した提示データを生成する(ステップS14)。結果出力部15は、生成した提示データを端末3に送信し(ステップS15)、処理を終了する。続いて、ステップS13で定義したシミュレーション実行処理について図7を用いて説明する。 The model definition unit 13 and the simulation execution unit 14 perform a simulation execution process for calculating the inventory and production quantity for each production site based on the site information and demand information stored in the data management unit 12 (step S13). The simulation execution unit 14 stores the result data indicating the simulation result as shown in FIG. 5 in the data management unit 12. The result output unit 15 generates presentation data that visualizes the result data stored in the data management unit 12 (step S14). The result output unit 15 transmits the generated presentation data to the terminal 3 (step S15), and ends the process. Subsequently, the simulation execution process defined in step S13 will be described with reference to FIG.
 図7は、実施の形態に係るシミュレーション実行処理の動作の一例を示すフローチャートである。モデル定義部13は、データ管理部12が記憶する販売拠点および生産拠点Cの拠点情報および販売拠点の需要情報から、販売拠点および生産拠点Cを連結した需要モデルおよび供給モデルを定義する(ステップS21)。モデル定義部13は、図3および図4のような需要モデルおよび供給モデルの定義データをデータ管理部12に記憶する。シミュレーション実行部14は、データ管理部12が記憶する販売拠点および生産拠点Cを連結した需要モデルおよび供給モデルの定義データに基づいて、生産のシミュレーションを実行し(ステップS22)、販売拠点および生産拠点Cにおける製品の在庫、生産拠点Cにおける製品の生産数量、需要時および需要数量を算出する。 FIG. 7 is a flowchart showing an example of the operation of the simulation execution process according to the embodiment. The model definition unit 13 defines a demand model and a supply model connecting the sales base and the production base C from the base information on the sales base and the production base C and the demand information on the sales base stored in the data management section 12 (step S21). ). The model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12. The simulation execution unit 14 executes a production simulation based on the definition data of the demand model and the supply model connecting the sales base and the production base C stored in the data management section 12 (step S22), and the sales base and the production base. Product inventory at C, product production quantity at production base C, demand time and demand quantity are calculated.
 データ入力部11は、シミュレーション実行部14から生産拠点Cの需要情報を入力する(ステップS23)。データ入力部11は、入力した生産拠点Cの需要情報をデータ管理部12に記憶する。モデル定義部13は、データ管理部12が記憶する生産拠点Bおよび生産拠点Cの拠点情報および生産拠点Cの需要情報から、生産拠点Bおよび生産拠点Cを連結した需要モデルおよび供給モデルを定義する(ステップS24)。モデル定義部13は、図3および図4のような需要モデルおよび供給モデルの定義データをデータ管理部12に記憶する。シミュレーション実行部14は、データ管理部12が記憶する生産拠点Bおよび生産拠点Cを連結した需要モデルおよび供給モデルの定義データに基づいて、生産のシミュレーションを実行し(ステップS25)、生産拠点Bおよび生産拠点Cにおける製品または部品の在庫および生産数量、ならびに、生産拠点Bにおける製品または部品の需要時および需要数量を算出する。 The data input unit 11 inputs the demand information of the production site C from the simulation execution unit 14 (step S23). The data input unit 11 stores the input demand information of the production site C in the data management unit 12. The model definition unit 13 defines a demand model and a supply model connecting the production base B and the production base C from the base information of the production base B and the production base C stored in the data management section 12 and the demand information of the production base C. (Step S24). The model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12. The simulation execution unit 14 executes production simulation based on the definition data of the demand model and the supply model connecting the production base B and the production base C stored in the data management unit 12 (step S25). The inventory and production quantity of the product or part at the production base C, and the demand time and demand quantity of the product or part at the production base B are calculated.
 データ入力部11は、シミュレーション実行部14から生産拠点Bの需要情報を入力する(ステップS26)。データ入力部11は、入力した生産拠点Bの需要情報をデータ管理部12に記憶する。モデル定義部13は、データ管理部12が記憶する生産拠点Aおよび生産拠点Bの拠点情報および生産拠点Bの需要情報から、生産拠点Aおよび生産拠点Bを連結した需要モデルおよび供給モデルを定義する(ステップS27)。モデル定義部13は、図3および図4のような需要モデルおよび供給モデルの定義データをデータ管理部12に記憶する。シミュレーション実行部14は、データ管理部12が記憶する生産拠点Aおよび生産拠点Bを連結した需要モデルおよび供給モデルの定義データに基づいて、生産のシミュレーションを実行し(ステップS28)、生産拠点Aおよび生産拠点Bにおける製品または部品の在庫および生産数量、ならびに、生産拠点Bにおける製品または部品の需要時および需要数量を算出する。 The data input unit 11 inputs the demand information of the production site B from the simulation execution unit 14 (step S26). The data input unit 11 stores the input demand information of the production base B in the data management unit 12. The model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base B from the base information of the production base A and the production base B stored in the data management unit 12 and the demand information of the production base B. (Step S27). The model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12. The simulation execution unit 14 executes production simulation based on the definition data of the demand model and the supply model connecting the production base A and the production base B stored in the data management unit 12 (step S28). The inventory and production quantity of the product or part at the production base B, and the demand and quantity of the product or part at the production base B are calculated.
 モデル定義部13は、データ管理部12が記憶する生産拠点Aおよび生産拠点Cの拠点情報および生産拠点Cの需要情報から、生産拠点Aおよび生産拠点Cを連結した需要モデルおよび供給モデルを定義する(ステップS29)。モデル定義部13は、図3および図4のような需要モデルおよび供給モデルの定義データをデータ管理部12に記憶する。シミュレーション実行部14は、データ管理部12が記憶する生産拠点Aおよび生産拠点Cを連結した需要モデルおよび供給モデルの定義データに基づいて、生産のシミュレーションを実行し(ステップS30)、生産拠点Aおよび生産拠点Cにおける製品または部品の在庫および生産数量、ならびに、生産拠点Aにおける製品または部品の需要時および需要数量を算出して処理を終了する。 The model definition unit 13 defines a demand model and a supply model connecting the production base A and the production base C from the base information of the production base A and the production base C stored in the data management section 12 and the demand information of the production base C. (Step S29). The model definition unit 13 stores the definition data of the demand model and the supply model as shown in FIGS. 3 and 4 in the data management unit 12. The simulation execution unit 14 executes a production simulation based on the definition data of the demand model and the supply model connecting the production base A and the production base C stored in the data management unit 12 (step S30). The process ends after calculating the inventory and production quantity of the product or part at the production site C and the demand and quantity of the product or part at the production site A.
 以上説明したように実施の形態のシミュレーション装置1によれば、第2の材から第1の材を生産する第1の生産拠点と第3の材から第2の材を生産して第1の生産拠点に供給する第2の生産拠点の組み合わせである複数の生産拠点を連結した需要モデルおよび供給モデルを定義することで、連結した複数の生産拠点における在庫およびリードタイムの算出が可能になる。シミュレーション装置1に需要情報および拠点情報が入力される構成であるので、需要変動を考慮した動的シミュレーションや、販売計画や生産計画などの見直しを行った場合のシミュレーションが可能である。また、結果データを可視化した提示データを表示してユーザに提示することで、シミュレーション結果の分析が容易になる。 As described above, according to the simulation apparatus 1 of the embodiment, the first production base that produces the first material from the second material and the second material from the third material produce the first material. By defining a demand model and a supply model in which a plurality of production bases that are combinations of second production bases to be supplied to the production base are defined, it is possible to calculate inventory and lead time at the plurality of connected production bases. Since the demand information and the base information are input to the simulation apparatus 1, it is possible to perform a dynamic simulation considering demand fluctuation and a simulation when a sales plan or a production plan is reviewed. Further, by displaying the presentation data obtained by visualizing the result data and presenting it to the user, the simulation result can be easily analyzed.
 例えば拠点別の結果データの比較のグラフを表示する提示データを出力する場合、拠点ごとのPSI計画をサプライチェーンモデル全体の在庫およびリードタイムの最適化に誘導するための判断材料にすることができる。また、提示データを、生産規模の改善や投資計画の立案、販売計画や生産計画の見直し、人員確保計画、長納期部材確保計画、生産設備増強計画の見直しの検討材料にすることができる。 For example, when outputting presentation data that displays a comparison graph of result data for each site, the PSI plan for each site can be used as a judgment material for guiding the optimization of the inventory and lead time of the entire supply chain model. . In addition, the presented data can be used as material for improving the production scale, making investment plans, reviewing sales plans and production plans, securing personnel plans, securing long-term parts securing plans, and reviewing production facility enhancement plans.
 図8は、実施の形態に係るシミュレーション装置のハードウェア構成の一例を示す図である。シミュレーション装置1は、図8に示すように、一時記憶部101、記憶部102、計算部103、入力部104、外部出力部105および表示部106を備える。一時記憶部101、記憶部102、入力部104、外部出力部105および表示部106はいずれもBUSを介して計算部103に接続されている。 FIG. 8 is a diagram illustrating an example of a hardware configuration of the simulation apparatus according to the embodiment. As illustrated in FIG. 8, the simulation apparatus 1 includes a temporary storage unit 101, a storage unit 102, a calculation unit 103, an input unit 104, an external output unit 105, and a display unit 106. Temporary storage unit 101, storage unit 102, input unit 104, external output unit 105, and display unit 106 are all connected to calculation unit 103 via a BUS.
 計算部103、はCPU(Central Processing Unit)などから構成され、記憶部102に記憶されている制御プログラムに従って、シミュレーション装置1のモデル定義部13、シミュレーション実行部14および結果出力部15の各処理を実行する。 The calculation unit 103 includes a CPU (Central Processing Unit) and the like, and performs each process of the model definition unit 13, the simulation execution unit 14, and the result output unit 15 of the simulation apparatus 1 according to a control program stored in the storage unit 102. Execute.
 一時記憶部101はRAM(Random-Access Memory)などから構成され、記憶部102に記憶されている制御プログラムをロードし、計算部103の作業領域として用いられる。 The temporary storage unit 101 includes a RAM (Random-Access Memory) or the like, loads a control program stored in the storage unit 102, and is used as a work area of the calculation unit 103.
 記憶部102は、フラッシュメモリ、ハードディスク、DVD-RAM、DVD-RWなどの不揮発性メモリから構成され、シミュレーション装置1の処理を計算部103に行わせるためのプログラムをあらかじめ記憶し、また、計算部103の指示に従って、このプログラムが記憶するデータを計算部103に供給し、計算部103から供給されたデータを記憶する。データ管理部12は、記憶部102に構成される。 The storage unit 102 includes a nonvolatile memory such as a flash memory, a hard disk, a DVD-RAM, and a DVD-RW, and stores in advance a program for causing the calculation unit 103 to perform processing of the simulation apparatus 1. In accordance with the instruction 103, the data stored by this program is supplied to the calculation unit 103, and the data supplied from the calculation unit 103 is stored. The data management unit 12 is configured in the storage unit 102.
 入力部104は、キーボードおよびマウスなどのポインティングデバイスなどと、キーボードおよびポインティングデバイスなどをBUSに接続するインタフェース装置から構成されている。ユーザがシミュレーション装置1に拠点情報や需要情報を入力する場合は、入力部104を介して、入力された情報が計算部103に供給される。 The input unit 104 includes a pointing device such as a keyboard and a mouse, and an interface device that connects the keyboard and the pointing device to the BUS. When the user inputs base information or demand information to the simulation apparatus 1, the input information is supplied to the calculation unit 103 via the input unit 104.
 外部出力部105は、ネットワークに接続する網終端装置または無線通信装置、およびそれらと接続するシリアルインタフェースまたはLAN(Local Area Network)インタフェースから構成されている。外部出力部105は、結果出力部15として機能する。 The external output unit 105 includes a network termination device or a wireless communication device connected to the network, and a serial interface or a LAN (Local Area Network) interface connected to them. The external output unit 105 functions as the result output unit 15.
 表示部106は、CRT(Cathode Ray Tube)またはLCD(Liquid Crystal Display)などから構成されている。表示部106は、ユーザがシミュレーション装置1に情報を入力する場合は、操作画面を表示する。シミュレーション部15が梱包計画情報を画面表示する場合には、表示部106に梱包計画情報が表示される。結果出力部15が提示データを表示する場合には、表示部106に提示データが表示される。 The display unit 106 includes a CRT (Cathode Ray Tube) or an LCD (Liquid Crystal Display). The display unit 106 displays an operation screen when the user inputs information to the simulation apparatus 1. When the simulation unit 15 displays the packing plan information on the screen, the packing plan information is displayed on the display unit 106. When the result output unit 15 displays the presentation data, the presentation data is displayed on the display unit 106.
 図2に示すシミュレーション装置1のデータ入力部11、データ管理部12、モデル定義部13、シミュレーション実行部14および結果出力部15の処理は、制御プログラムが、一時記憶部101、計算部103、記憶部102、入力部104、外部出力部105および表示部106などを資源として用いて処理することによって実行する。 The processing of the data input unit 11, data management unit 12, model definition unit 13, simulation execution unit 14 and result output unit 15 of the simulation apparatus 1 shown in FIG. The processing is executed by using the unit 102, the input unit 104, the external output unit 105, the display unit 106, and the like as resources.
 その他、前記のハードウェア構成やフローチャートは一例であり、任意に変更および修正が可能である。 In addition, the hardware configuration and flowchart described above are merely examples, and can be arbitrarily changed and modified.
 計算部103、一時記憶部101、記憶部102、入力部104、外部出力部105および表示部106などから構成されるシミュレーション装置1の処理を行う中心となる部分は、専用のシステムによらず、通常のコンピュータシステムを用いて実現可能である。例えば、前記の動作を実行するためのコンピュータプログラムを、コンピュータが読み取り可能な記録媒体(フレキシブルディスク、CD-ROM、DVD-ROMなど)に格納して配布し、当該コンピュータプログラムをコンピュータにインストールすることにより、前記の処理を実行するシミュレーション装置1を構成してもよい。また、インターネットなどの通信ネットワーク上のサーバ装置が有する記憶装置に当該コンピュータプログラムを格納しておき、通常のコンピュータシステムがダウンロードなどすることでシミュレーション装置1を構成してもよい。 The central part that performs processing of the simulation apparatus 1 including the calculation unit 103, the temporary storage unit 101, the storage unit 102, the input unit 104, the external output unit 105, the display unit 106, and the like is not based on a dedicated system. It can be realized using a normal computer system. For example, a computer program for executing the above operation is stored and distributed in a computer-readable recording medium (flexible disk, CD-ROM, DVD-ROM, etc.), and the computer program is installed in the computer. Thus, the simulation apparatus 1 that executes the above-described processing may be configured. Alternatively, the computer program may be stored in a storage device included in a server device on a communication network such as the Internet, and the simulation device 1 may be configured by being downloaded by a normal computer system.
 また、シミュレーション装置1の機能を、OS(オペレーティングシステム)とアプリケーションプログラムの分担、またはOSとアプリケーションプログラムとの協働により実現する場合などには、アプリケーションプログラム部分のみを記録媒体や記憶装置に格納してもよい。 Further, when the functions of the simulation apparatus 1 are realized by sharing an OS (operating system) and an application program, or by cooperation between the OS and the application program, only the application program part is stored in a recording medium or a storage device. May be.
 また、搬送波にコンピュータプログラムを重畳し、通信ネットワークを介して提供することも可能である。例えば、通信ネットワーク上の掲示板(BBS, Bulletin Board System)に前記コンピュータプログラムを掲示し、ネットワークを介して前記コンピュータプログラムを提供してもよい。そして、このコンピュータプログラムを起動し、OSの制御下で、他のアプリケーションプログラムと同様に実行することにより、前記の処理を実行できるように構成してもよい。 It is also possible to superimpose a computer program on a carrier wave and provide it via a communication network. For example, the computer program may be posted on a bulletin board (BBS, Bulletin Board System) on a communication network, and the computer program may be provided via the network. The computer program may be started and executed in the same manner as other application programs under the control of the OS, so that the above-described processing may be executed.
 本実施の形態では、第1の材、第2の材および第3の材のそれぞれを生産する3つの生産拠点の階層構造を例に取り上げたが、生産拠点の階層は実施の形態に限定されない。例えば、第3の材を生産する生産拠点に供給する第4の材の生産拠点を含めた4階層の生産拠点の階層構造など、Nを任意の自然数としてN階層の生産拠点に対しても順次、モデル定義とシミュレーションを当てはめて適用し、サプライチェーン全体の在庫およびリードタイムを算出することができる。 In the present embodiment, the hierarchical structure of the three production bases that produce each of the first material, the second material, and the third material is taken as an example, but the hierarchy of the production bases is not limited to the embodiment. . For example, a hierarchical structure of a four-level production base including a production base for the fourth material supplied to the production base that produces the third material, and so on, with N as an arbitrary natural number, sequentially for the N-level production base Apply and apply model definitions and simulations to calculate inventory and lead times for the entire supply chain.
 本発明は、本発明の広義の精神と範囲を逸脱することなく、様々な実施の形態及び変形が可能とされるものである。また、上述した実施の形態は、この発明を説明するためのものであり、本発明の範囲を限定するものではない。すなわち、本発明の範囲は、実施の形態ではなく、特許請求の範囲によって示される。そして、特許請求の範囲内及びそれと同等の発明の意義の範囲内で施される様々な変形が、この発明の範囲内とみなされる。 The present invention is capable of various embodiments and modifications without departing from the broad spirit and scope of the present invention. The above-described embodiments are for explaining the present invention and do not limit the scope of the present invention. In other words, the scope of the present invention is shown not by the embodiments but by the claims. Various modifications within the scope of the claims and within the scope of the equivalent invention are considered to be within the scope of the present invention.
 本出願は、2016年6月15日に出願された、日本国特許出願特願2016-118481号に基づく。本明細書中に日本国特許出願特願2016-118481号の明細書、特許請求の範囲、図面全体を参照として取り込むものとする。 This application is based on Japanese Patent Application No. 2016-118481 filed on June 15, 2016. The specification, claims, and entire drawings of Japanese Patent Application No. 2016-118481 are incorporated herein by reference.
 1 シミュレーション装置、2 拠点システム、3 端末、11 データ入力部、12 データ管理部、13 モデル定義部、14 シミュレーション実行部、15 結果出力部、100 シミュレーションシステム、101 一時記憶部、102 記憶部、103 計算部、104 入力部、105 外部出力部、106 表示部。 1 simulation device, 2 site system, 3 terminal, 11 data input unit, 12 data management unit, 13 model definition unit, 14 simulation execution unit, 15 result output unit, 100 simulation system, 101 temporary storage unit, 102 storage unit, 103 Calculation unit, 104 input unit, 105 external output unit, 106 display unit.

Claims (6)

  1.  コンピュータを利用したシミュレーション装置において、
     第1の材の需要時および需要数量に関する需要情報を入力する需要情報入力部と、
     前記第1の材を生産する第1の生産拠点の単位時間あたりの前記第1の材の最大生産数量および第2の材を投入してから前記第1の材の生産を完了するまでのリードタイム、ならびに、前記第2の材を生産して前記第1の生産拠点に供給する第2の生産拠点の単位時間あたりの前記第2の材の最大生産数量および第3の材を投入してから前記第2の材の生産を完了するまでのリードタイムを含む拠点情報を入力する拠点情報入力部と、
     前記需要情報入力部および前記拠点情報入力部にそれぞれ入力した前記需要情報および前記拠点情報に基づいて、前記第1の生産拠点および前記第2の生産拠点を連結した需要モデルおよび供給モデルを定義するモデル定義部と、
     前記需要モデルおよび前記供給モデルの定義データに基づいて、前記第1の材の在庫および生産数量、ならびに、前記第2の材の在庫および生産数量を算出するシミュレーション実行部と、
     を備えるシミュレーション装置。
    In a simulation device using a computer,
    A demand information input unit for inputting demand information related to demand and quantity of the first material;
    The lead from the time when the first material is produced and the maximum production quantity of the first material per unit time of the first production base producing the first material to the completion of the production of the first material. Time, the maximum production quantity of the second material per unit time of the second production base that produces the second material and supplies it to the first production base, and the third material A site information input unit for inputting site information including a lead time from the completion of production of the second material to
    Based on the demand information and the base information input to the demand information input unit and the base information input unit, respectively, a demand model and a supply model connecting the first production base and the second production base are defined. A model definition part;
    A simulation execution unit for calculating the inventory and production quantity of the first material and the inventory and production quantity of the second material based on the definition data of the demand model and the supply model;
    A simulation apparatus comprising:
  2.  前記第3の材を生産する第3の生産拠点がある場合、
     前記モデル定義部は、前記第2の材の需要モデルを定義し、
     前記シミュレーション実行部は、前記第2の材の需要モデルに基づいて前記需要情報から前記第2の材の需要時および需要数量を算出し、
     前記需要情報入力部はさらに、前記シミュレーション実行部が算出した前記第2の材の需要時および需要数量を入力し、
     前記拠点情報入力部はさらに、前記第3の材を生産して前記第2の拠点に供給する前記第3の拠点の、単位時間あたりの前記第3の材の最大生産量、および第4の材を投入してから前記第3の材の生産を完了するまでのリードタイムを入力し、
     前記モデル定義部はさらに、前記第2の生産拠点および前記第3の生産拠点を連結した需要モデルおよび供給モデルを定義し、
     前記シミュレーション実行部はさらに、前記第3の材の在庫、ならびに前記第4の材の需要時および需要数量を算出する、
     請求項1に記載のシミュレーション装置。
    When there is a third production base for producing the third material,
    The model defining unit defines a demand model of the second material;
    The simulation execution unit calculates a demand time and a demand quantity of the second material from the demand information based on the demand model of the second material,
    The demand information input unit further inputs a demand time and a demand quantity of the second material calculated by the simulation execution unit,
    The base information input unit further produces the third material and supplies the second base to the second base, the maximum production amount of the third material per unit time, and a fourth Enter the lead time from the introduction of the material to the completion of the production of the third material,
    The model definition unit further defines a demand model and a supply model connecting the second production base and the third production base,
    The simulation execution unit further calculates the inventory of the third material, and the demand time and the demand quantity of the fourth material,
    The simulation apparatus according to claim 1.
  3.  前記第1の材の初期在庫および前記第2の材の初期在庫に関する初期在庫情報を入力する初期在庫情報入力部をさらに備え、
     前記モデル定義部は、前記需要情報入力部、前記拠点情報入力部および前記初期在庫情報入力部にそれぞれ入力した前記需要情報、前記拠点情報および前記初期在庫情報に基づいて、前記第1の生産拠点および前記第2の生産拠点を連結した需要モデルおよび供給モデルを定義する請求項1または2に記載のシミュレーション装置。
    An initial stock information input unit for inputting initial stock information on the initial stock of the first material and the initial stock of the second material;
    The model definition unit includes the first production site based on the demand information, the site information, and the initial inventory information input to the demand information input unit, the site information input unit, and the initial inventory information input unit, respectively. The simulation apparatus according to claim 1, wherein a demand model and a supply model connecting the second production bases are defined.
  4.  前記需要モデルおよび前記供給モデルの定義データと、前記第1の材の在庫、前記第2の材の在庫、ならびに、前記第3の材の需要時および需要数量を示す結果データとを記憶するデータ管理部と、
     前記データ管理部が記憶する前記需要モデルおよび前記供給モデルの定義データに対応する前記結果データを表示する提示データを出力する結果出力部と、
     を備え、
     前記結果出力部は、前記結果データの時系列の推移のグラフ、前記需要モデルおよび前記供給モデル別の前記結果データの比較のグラフ、前記第1の材および前記第2の材の種類別の前記結果データの比較のグラフ、前記第1の生産拠点および前記第2の生産拠点を別けた前記結果データの比較のグラフならびに前記第1の材および前記第2の材の生産の工程別の前記結果データの比較のグラフの少なくともいずれかを表示する前記提示データを生成する請求項1から3のいずれか1項に記載のシミュレーション装置。
    Data for storing the definition data of the demand model and the supply model and the result data indicating the inventory of the first material, the inventory of the second material, and the demand time and the demand quantity of the third material The management department,
    A result output unit for outputting presentation data for displaying the result data corresponding to the definition data of the demand model and the supply model stored in the data management unit;
    With
    The result output unit includes a graph of time-series transition of the result data, a graph of comparison of the result data by the demand model and the supply model, the first material and the second material by type. Graph of comparison of result data, graph of comparison of the result data separating the first production site and the second production site, and the result by production process of the first material and the second material The simulation apparatus according to any one of claims 1 to 3, wherein the presentation data for displaying at least one of data comparison graphs is generated.
  5.  第1の材を生産する第1の生産拠点および第2の材を生産して前記第1の生産拠点に供給する第2の生産拠点に関する情報を管理する拠点システムと、ユーザが使用する端末と、シミュレーション装置とで構成されるシミュレーションシステムであって、
     前記シミュレーション装置は、
     前記第1の材の需要時および需要数量に関する需要情報を入力する需要情報入力部と、
     前記第1の生産拠点の単位時間あたりの前記第1の材の最大生産数量および前記第2の材を投入してから前記第1の材の生産を完了するまでのリードタイム、ならびに、前記第2の生産拠点の単位時間あたりの前記第2の材の最大生産数量および第3の材を投入してから前記第2の材の生産を完了するまでのリードタイムを含む拠点情報を前記拠点システムから入力する拠点情報入力部と、
     前記需要情報入力部および前記拠点情報入力部にそれぞれ入力した前記需要情報および前記拠点情報に基づいて、前記第1の生産拠点および前記第2の生産拠点を連結した需要モデルおよび供給モデルを定義するモデル定義部と、
     前記需要モデルおよび前記供給モデルの定義データに基づいて、前記第1の材の在庫および生産数量、ならびに、前記第2の材の在庫および生産数量を算出するシミュレーション実行部と、
     前記データ管理部が記憶する前記需要モデルおよび前記供給モデルの定義データに対応する前記結果データを表示する提示データを前記端末に出力する結果出力部と、
     を備えるシミュレーションシステム。
    A base system for managing information relating to a first production base for producing the first material and a second production base for producing the second material and supplying the first material to the first production base; and a terminal used by the user A simulation system comprising a simulation device,
    The simulation apparatus includes:
    A demand information input unit for inputting demand information related to demand and quantity of the first material;
    A maximum production quantity of the first material per unit time of the first production base, a lead time from the introduction of the second material to the completion of the production of the first material, and the first The base system includes base information including a maximum production quantity of the second material per unit time of two production bases and a lead time from the introduction of the third material to the completion of the production of the second material. From the base information input section to input from
    Based on the demand information and the base information input to the demand information input unit and the base information input unit, respectively, a demand model and a supply model connecting the first production base and the second production base are defined. A model definition part;
    A simulation execution unit for calculating the inventory and production quantity of the first material and the inventory and production quantity of the second material based on the definition data of the demand model and the supply model;
    A result output unit that outputs presentation data that displays the result data corresponding to the definition data of the demand model and the supply model stored in the data management unit;
    A simulation system comprising:
  6.  コンピュータを、
     第1の材の需要時および需要数量に関する需要情報と、前記第1の材を生産する第1の生産拠点の単位時間あたりの前記第1の材の最大生産数量および第2の材を投入してから前記第1の材の生産を完了するまでのリードタイム、ならびに、前記第2の材を生産して前記第1の生産拠点に供給する第2の生産拠点の単位時間あたりの前記第2の材の最大生産数量および第3の材を投入してから前記第2の材の生産を完了するまでのリードタイムを含む拠点情報とに基づいて、前記第1の生産拠点および前記第2の生産拠点を連結した需要モデルおよび供給モデルを定義するモデル定義部、および、
     前記需要モデルおよび前記供給モデルの定義データに基づいて、前記第1の材の在庫および生産数量、ならびに、前記第2の材の在庫および生産数量を算出するシミュレーション実行部、
     として機能させるプログラム。
    Computer
    Demand information on the demand and quantity of the first material, and the maximum production quantity and second material of the first material per unit time of the first production base that produces the first material And the second time per unit time of the second production base for producing the second material and supplying it to the first production base. On the basis of the maximum production quantity of the first material and the base information including the lead time from the introduction of the third material to the completion of the production of the second material. A model definition unit that defines a demand model and a supply model that link production bases; and
    A simulation execution unit for calculating the inventory and production quantity of the first material and the inventory and production quantity of the second material based on definition data of the demand model and the supply model;
    Program to function as.
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