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WO2018168060A1 - Système de gestion de prélèvement de stock et procédé de gestion de prélèvement de stock - Google Patents

Système de gestion de prélèvement de stock et procédé de gestion de prélèvement de stock Download PDF

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Publication number
WO2018168060A1
WO2018168060A1 PCT/JP2017/040026 JP2017040026W WO2018168060A1 WO 2018168060 A1 WO2018168060 A1 WO 2018168060A1 JP 2017040026 W JP2017040026 W JP 2017040026W WO 2018168060 A1 WO2018168060 A1 WO 2018168060A1
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WO
WIPO (PCT)
Prior art keywords
transport
picking
shelf
transport vehicle
zones
Prior art date
Application number
PCT/JP2017/040026
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English (en)
Japanese (ja)
Inventor
頼子 風間
中野　定樹
野口　大輔
Original Assignee
株式会社日立製作所
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Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Publication of WO2018168060A1 publication Critical patent/WO2018168060A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • B65G1/10—Storage devices mechanical with relatively movable racks to facilitate insertion or removal of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • B65G1/137—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed

Definitions

  • the present invention relates to a picking management system for picking articles and a picking management method.
  • Patent Document 1 discloses that in the system in which the transport vehicle transports shelves, the travel distance of the transport vehicle is shortened by temporarily placing the shelves near the picking work station.
  • Patent Document 1 does not set a movement zone for each transport vehicle. Therefore, in Patent Document 1, when each worker picks in each zone divided into a plurality of areas in the warehouse, a technique for dealing with when a difference in work progress between the zones is naturally not disclosed. .
  • An object of the present invention is to adjust work progress among a plurality of zones.
  • a picking management system for a warehouse in which a plurality of transport shelves for storing articles is arranged includes a plurality of transport vehicles, a management device, and a transport vehicle controller.
  • the transport vehicle transports each of the plurality of transport shelves.
  • the management device manages order information that instructs picking of an article.
  • the transport vehicle controller controls the movement of each of the transport vehicles based on an instruction from the management device.
  • the transport vehicle controller controls the movement of each of the transport vehicles based on an instruction from the management device.
  • a movable zone was set up for each of the transport vehicles.
  • a wide work area can be divided into a plurality of zones, the travel distance of the transport vehicle can be shortened, and the work progress between the plurality of zones can be adjusted.
  • FIG. 1 is a configuration diagram of a picking management system according to Embodiment 1.
  • FIG. 1 is a functional configuration diagram of a picking management system according to Embodiment 1.
  • FIG. 1 is a functional configuration diagram of a picking management system according to Embodiment 1.
  • FIG. 1 is a functional configuration diagram of a picking management system according to Embodiment 1.
  • FIG. Explanatory drawing of the order management data which concerns on Example 1.
  • FIG. FIG. 9 is a functional configuration diagram of a picking management system according to a second embodiment.
  • FIG. Explanatory drawing of the screen which displays the work progress state which concerns on Example 2.
  • FIG. FIG. 10 is a functional configuration diagram of a picking management system according to a third embodiment. Explanatory drawing of the processing flow of the
  • the first embodiment is a system for leveling the work amount among a plurality of zones to be described later when order information is received for the picking management system 202 in the shipping operation, and will be described with reference to FIGS.
  • FIG. 1 is an explanatory diagram illustrating an example of a delivery operation in a warehouse.
  • the warehouse has an article storage area 101 and a work area 102.
  • a plurality of transport shelves DS and a plurality of transport vehicles AC are arranged in the storage area 101.
  • Each transport shelf DS carries one or more kinds of articles.
  • Each transport vehicle AC moves under the control of a management device 204 described later.
  • the transport vehicle AC moves to the designated transport shelf DS.
  • the transport vehicle DS lifts the transport shelf DS directly above by a jack mechanism (not shown) provided on the upper surface of the transport vehicle AC.
  • the transport vehicle AC moves to the designated work stations WS1 and WS2 in the work area 102 while lifting the transport shelf DS.
  • work stations WS1 and WS2 are not distinguished from each other, they are described as work stations WS.
  • the transport vehicle AC arrives at the work station WS, the transport vehicle AC stands by until the unloading operation is completed, and when the unloading operation is completed, the transport vehicle AC is returned to the original position.
  • the transport vehicle AC is used as a moving device that moves the transport shelf DS.
  • Each conveyance vehicle AC may be fixed to each conveyance shelf DS.
  • the work station WSi has a terminal Ti, a gate Gi, and a belt conveyor B.
  • the terminal Ti is a computer that displays information and is operated by the worker Wi.
  • the gate Gi is formed in a frame shape, and has a plurality of openings through which articles picked from the transport shelf DS pass.
  • the belt conveyor B is an apparatus for placing an article picked from the transport shelf DS in a container, for example.
  • FIG. 2 is a system configuration diagram illustrating an example of a management apparatus.
  • the picking management system 202 includes a management device 204, a plurality of transport vehicle controllers WCS-B1 to WCS-B3 205 to 207, and a plurality of transport vehicles 208 to 210.
  • a zone is composed of a wide area divided into certain sections.
  • the transport shelf DS in the zone is transported to the work station WS by the transport vehicles 208 to 210.
  • a transport shelf DS in a certain zone is transported to one or more specific work stations WS.
  • a specific work station WS is associated with a zone.
  • the zone division setting method may be divided on the basis of the size of the area, on the basis of the category of the article stored in the transport shelf DS, or on the basis of the stored article vendor. It may be separated. Furthermore, the number of shelves and zone separation may be set according to the delivery frequency of stored articles.
  • the zone setting method is not limited to this.
  • the management device 204 manages a plurality of transport vehicle controllers WCS-B 205 to 207.
  • the management device 204 manages order data received from a WMS (Warehouse Management System) 201 and assigns orders to the respective transport vehicle controllers WCS-B1 to WCS-B3 205 to 207.
  • the management apparatus 204 can control each work of leaving, entering, and replenishing by giving a work instruction to the work station WS in each zone.
  • the WMS 201 allocates the managed order data not only to the management device 204 but also to the other device management device 203. Therefore, the WMS 201 has a function of receiving work progress from the management device 204 and the other device management device 203 and controlling order data according to the work progress.
  • FIG. 3 shows a device layout in the warehouse.
  • a transport vehicle picking zone in which a plurality of transport vehicles AC are picked is disposed, and an adjacent device picking zone in which other devices are picked is adjacent to the transport vehicle picking zone.
  • Each picking zone is connected by a belt conveyor B, and picked articles carried out from the picking zone are transported to the assortment area.
  • the articles are aggregated for each shipping destination ID, and subsequently, in the inspection area, it is confirmed whether the picking article matches the order, and is packed and shipped for each shipping destination in the packing area.
  • this layout is an example, and assortment may be performed in each picking zone.
  • the connection method between picking zones is not limited to this. Further, a package shipped to the same shipping destination between the picking zones may be relayed and picked.
  • an article shipped to the shipping destination ID 100 includes an article A and an article B
  • the article A is stored in the transport shelf S1 belonging to the zone Z1
  • the article B is stored in the transport shelf S2 belonging to the zone Z2.
  • the zone Z1 is upstream of the belt conveyor B
  • the shipping box containing the article A picked in the zone Z1 is transported on the belt conveyor B
  • the article B is put into the same shipping box in the zone Z2.
  • the conveyance vehicle AC other than the belt conveyor B as a conveyance mechanism.
  • the shipping box can be transported from zone Z1 to zone Z2, or from zone Z2 to zone Z1, etc., so by changing the transportation direction according to work progress, Relay picking can be performed more efficiently.
  • the transport mechanism is not limited to this.
  • FIG. 4 is a functional configuration diagram of the management apparatus 204.
  • the management apparatus 400 includes an allocation unit 401, a leveling determination unit 402, a leveling function unit 403, an instruction creation unit 404, and an instruction transmission unit 405.
  • the allocation unit 401 allocates the order data to each transport vehicle controller WCS-B 420.
  • the allocation unit 401 determines the order allocation according to the articles included in the transport shelf DS arranged in each zone.
  • FIG. 5 is an explanatory diagram of order management data.
  • the order includes, for example, an order ID for each order, a product ID indicating the type of article, the number to be shipped, a shipping destination ID indicating the shipping destination, and the like.
  • the order is represented by one line for each product ID.
  • order ID1 and order ID2 are the same shipping destination ID.
  • these order ID1 and order ID2 are expressed by two lines.
  • the order data information is not limited to this.
  • FIG. 6 is an explanatory diagram of inventory management data.
  • the inventory management data is distinguished by, for example, an inventory management ID, and a product ID corresponding to each inventory management ID, the number of products stored, and a shelf ID of a stored transport shelf DS.
  • the zone ID in which the transport shelf DS is installed is included.
  • the inventory management data is not limited to this.
  • the allocating unit 401 collates the order data with the inventory management data and determines a zone to which the order is allocated. For example, since the order ID 1 is a request for taking out the product ID A, if the article is included in the transport shelf ID S1 and the transport shelf S1 belongs to the zone ID Z1, the order 1 is in the zone Z1. Allocated as an order to process.
  • the leveling determination unit 402 determines whether there is a bias in work in each zone.
  • FIG. 7 shows an explanatory diagram of the processing flow of the leveling function unit.
  • zone difference evaluation step 701 when there are n zones from Z1 to Zn, for example, when the leveling reference is the work end time, the time when the work of the order assigned to each zone is finished is calculated.
  • leveling determination step 702 if there is a difference equal to or greater than a predetermined threshold in the work end time calculated in step 701, it is determined to perform leveling.
  • the leveling function unit 403 determines a shelf to be moved between zones in the moving shelf determination step 703.
  • the number of order lines is first averaged between the zones.
  • the order processed in zone Z1 is 100 lines and the order processed in zone Z2 is 180 lines
  • the order of zone Z1 is increased by 40 lines to 140 lines
  • the order of zone Z2 is decreased by 40 lines to 140 lines. It is.
  • the number of shelves is leveled. In order to reduce 40 lines from zone Z2, orders that can be collected on the smallest number of shelves are extracted.
  • the transport shelf S1 belongs to the zone Z2 and the number of lines of an order for taking out a plurality of articles stored in the transport shelf S1 is 40, the number of lines of the order is only 40 transport lines. Are extracted by determining that they can be aggregated.
  • the transport shelf S1 is moved to the zone Z1, and instead from the zone Z1 to the transport shelf that is not related to the order.
  • the transport shelf S1 is a movable transport shelf (S704: YES)
  • a shelf movement instruction for moving the transport shelf S1 to the zone Z2 is selected.
  • the number of order lines between zones can be made common by moving only the transport shelf S1.
  • by replacing a plurality of transport shelves there may occur a case where the number of order lines between zones cannot be completely matched. Therefore, it is sufficient that the difference in the number of order lines is within a predetermined fluctuation range. The determination may be made.
  • the leveling function unit 403 may determine at which position the transport shelf to be moved is placed in the transport destination zone. For example, the articles stored in the transport shelf S1 match the order of 40 rows. In addition to being included in the zone Z2, for each transport shelf S, the number of order lines that can be satisfied is obtained, and the order of degree of order match of the transport shelf S1 is determined. For example, if the order line number match of the transport shelf S1 is 40 and the number of matches is the third largest in the zone Z2, the transport shelf S1 is arranged as close to the work station WS2 as possible.
  • the transport shelf S2 to be moved from the zone Z2 to the zone Z1 instead of the transport shelf S1 can be selected from the vicinity of the work station WS2, thereby reducing the transport distance of the transport shelf.
  • the probability of an article to be delivered may be obtained from a past shipment history or the like, and the arrangement of the transport shelves may be determined based on the article delivery probability.
  • a transport shelf storing articles with a very high shipment rate based on past history is arranged near the work station WS, and conversely, transport includes only articles that have never been shipped from the past shipping history.
  • the shelf is arranged at a position far from the work station WS.
  • the instruction creation unit 404 adds the moving transport shelf selected by the leveling function unit 403 and the transport destination zone and the arrangement information in the zone to the shelf movement list (S705).
  • the instruction transmission unit 405 instructs the transport controller WCS-Bi 420 with the movement instruction created by the instruction creation unit 404.
  • the transport vehicle controller WCS-Bi 420 is a transport vehicle controller that controls the transport vehicle AC in each zone, and has a function of giving an instruction to the transport vehicle AC in the zone.
  • the transport vehicle controller WCS-Bi 420 includes an instruction receiving unit 407, a transport vehicle assignment unit 408, a route creation unit 209, a transport vehicle instruction transmission unit 410, and a transport vehicle management unit 411.
  • the instruction receiving unit 407 receives the movement instruction information from the instruction transmitting unit 405.
  • the transport vehicle assignment unit 408 selects the transport vehicle AC to which the received movement instruction information is assigned.
  • the transport vehicle AC refers to information on positions and work states of a plurality of transport vehicles AC managed by a transport vehicle management unit 411 described later, and selects the transport vehicle AC to which no work instruction is assigned.
  • a transport vehicle AC that is not assigned a work instruction near the transport shelf S to be moved may be searched, and the transport vehicle AC located at the closest location may be selected.
  • the route creation unit 409 moves below the transport shelf S according to the movement instruction information, lifts the transport shelf S, and creates a route to the designated transport destination.
  • the route is determined by calculating the shortest route from the current position to the destination.
  • the route creation unit 409 has been described as a function within the transport vehicle controller WCS-Bi 420. However, the route creation unit 409 may be mounted on the control device of the transport vehicle 412. In this case, since the route of the transport vehicle 412 can be searched in the transport vehicle 412, the calculation cost of the transport vehicle controller WCS-Bi 420 can be suppressed.
  • the boundary for switching the transport vehicle controllers WCS-B1 and WCS-B2 Go through the path through the location.
  • the boundary position for system switching is a predetermined position, and by passing through the boundary position, the transport vehicle controllers WCS-B1 and WCS-B2 can be switched between zones.
  • One boundary position or a plurality of boundary positions may be provided.
  • the case where the transport vehicle AC moves between zones while holding the corresponding transport shelf DS has been described as an example.
  • the transport vehicle AC1 may not move between zones, and the transport shelf DS may be handed over to another transport vehicle AC2 at the boundary position. In this case, it is not necessary to switch the transport vehicle controllers WCS-B1 and WCS-B2 in the transport vehicle AC1, so that the picking management system 202 can be simplified.
  • the transport vehicle instruction transmission unit 410 transmits the route instruction determined by the route creation unit 409 to the transport vehicle 412.
  • the route instruction shows the route from the current position of the transport vehicle 412 to the destination, and includes instructions on the way (for example, lifting, lowering, rotating, etc. the transport shelf DS).
  • the transport vehicle 412 operates according to instructions from the transport vehicle controller WCS-B420.
  • the transport vehicle 412 notifies the transport vehicle controller WCS-B 420 of the position and work state of the transport vehicle 412.
  • the transport vehicle management unit 411 manages the position and work state information of the transport vehicle 412 received from the transport vehicle 412.
  • the picking management system 202 of the warehouse in which the plurality of transport shelves DS for storing articles are arranged includes the plurality of transport vehicles AC, the management device 400, and the transport vehicle controller WCS-B 420.
  • the transport vehicle AC transports each of the plurality of transport shelves DS.
  • the management device 400 manages order information that instructs picking of an article.
  • the transport vehicle controller WCS-B 420 controls each movement of the transport vehicle based on an instruction from the management device 400.
  • the transport vehicle controller WCS-B420 sets a movable zone for each of the transport vehicles AC.
  • the management device 400 selects a transport shelf DS transported across a plurality of zones set for each of the plurality of transport vehicles AC based on the order information, and standardizes the picking work between the plurality of zones.
  • a standardization function unit 403 is included. Therefore, the picking management system 202 for leveling the work amount between the zones can be realized by moving the transport shelves DS arranged in a plurality of zones between the zones. Thereby, the dispersion
  • the transport vehicle controller WCS-B 420 assigns a transport vehicle AC that moves across a plurality of zones, and a route that creates a travel route of the transport vehicle AC selected by the transport vehicle allocation unit 401. And a creation unit 409. Thereby, the movement distance for every conveyance vehicle AC can be decreased.
  • This embodiment is not limited to the above configuration and processing flow.
  • it has a plurality of transport vehicle controllers WCS-B420, each transport vehicle controller WCS-B420 manages transport vehicles AC and transport shelves DS in one or more zones, and other transport vehicle controllers WCS-B420.
  • the transport shelf DS is moved to a zone managed by. Thereby, each conveyance shelf DS can be managed for each conveyance vehicle controller WCS-B420.
  • each transport vehicle controller WCS-B420 manages transport vehicles AC and transport shelves DS in one or more zones, and other transport vehicle controllers WCS-B420.
  • the transport vehicle AC is moved to a zone managed by the vehicle. Thereby, each conveyance vehicle AC can be managed for each conveyance vehicle controller WCS-B420.
  • the computer includes a processor, a storage device, an input device, an output device, and a communication interface (communication IF).
  • the processor, storage device, input device, output device, and communication IF are connected by a bus.
  • the processor controls the computer.
  • the storage device becomes a work area of the processor.
  • the storage device is, for example, a non-temporary or temporary recording medium that stores various programs and data. Examples of the storage device include ROM (Read Only Memory), RAM (Random Access Memory), HDD (Hard Disk Drive), and flash memory.
  • the input device inputs data. Examples of the input device include a keyboard, a mouse, a touch panel, a numeric keypad, a scanner, and a barcode reader.
  • the output device outputs data. Examples of the output device include a display and a printer.
  • the communication IF is connected to a network and transmits / receives data.
  • the picking management system 202 that equalizes the work amount after receiving an order from the WMS 201 has been described.
  • a picking management system 202 that dynamically levels the amount of work according to the progress of work will be described with reference to FIGS. 8 and 9.
  • FIG. 8 is a system functional diagram of the management apparatus 400 according to the second embodiment. Parts that overlap with the description of FIG. 4 used in the first embodiment are omitted, and the description will focus on the changes in FIG.
  • the management device 400 according to the second embodiment further includes a work progress management unit 801 and a work progress display unit 803 as compared with the management device 400 according to the first embodiment.
  • the work progress management unit 801 of the management apparatus 400 receives work progress from a work station 802 described later.
  • the work progress is managed for each order ID by the shelf ID of the target transport shelf DS, the zone ID of the assigned zone, and the work progress.
  • the work progress is managed with or without work.
  • the work progress management information is not limited to this.
  • the leveling determination unit 402 refers to the work progress information managed by the work progress management unit 801, calculates the remaining work in each zone, and the difference in the remaining work between the zones is a threshold (average number of rows or target rows) described later. It is determined that leveling is performed when the number exceeds.
  • the leveling function unit 403 changes and assigns the order assigned to the zone Z1 with much remaining work to the zone Z2 with little remaining work.
  • the number of order lines of the remaining work is calculated for each zone, the target zone to be leveled is extracted, and the average number of lines is set.
  • the transport shelf DS is moved from the zone Z1 to the zone Z2.
  • the number of target rows is the number of order rows that can be worked in the target zone.
  • the number of target rows is determined for each zone according to the area size of each zone, the number of transport shelves DS, the skill of workers, etc. May be. For example, when the worker becomes unable to work due to sudden circumstances, the target row number of the corresponding zone is set to zero.
  • the leveling determination unit 402 determines execution of leveling, and the transport shelf DS is moved from the zone where the worker stops working to another zone. The work can be continued by moving. As described above, since leveling can be performed according to the warehouse and the work state, it is possible to prevent a delay in work progress.
  • the number of remaining operations per transport shelf DS is obtained, and the transport shelf DS to be transported between zones is selected. For example, in zone Z1, since 50 lines remain from the average number of remaining work, the transport shelf DS closest to the remaining work of 50 lines is selected. If there is no transport shelf DS with the remaining number of operations of 50 rows, a combination of transport shelves DS that approaches 50 rows with the smallest combination is obtained. Thereby, the movement of the conveyance shelf DS between zones can be reduced as much as possible, and the time required for conveyance can be shortened.
  • the management apparatus 400 calculates the remaining work among the picking work assigned to each of the plurality of zones, and determines that the difference in the remaining work between the plurality of zones has exceeded a predetermined threshold.
  • a work progress management unit 801. Thereby, even while the work is being performed, it is possible to make it difficult for work delays between zones to occur by moving the transport shelf DS according to the work progress of the worker.
  • the leveling function unit 403 assigns the picking work assigned to the zone with a lot of remaining work to another zone. Thereby, the remaining work between zones can be leveled according to work progress.
  • the management apparatus 400 has a progress display unit 803 that displays the number of picking operations and the remaining work assigned to each of a plurality of zones, the administrator can easily confirm the progress of the operation.
  • the work station 802 displays an instruction on the terminal T in the work area 102 and prompts the worker to pick a target article.
  • the transport vehicle management unit 411 detects that the transport vehicle AC has arrived at the work station 802, it gives a work instruction to the work station 802.
  • the terminal T displays an instruction to take out a specified number of products from a specified frontage of the transport shelf DS.
  • the worker operates the terminal T to notify the work progress management unit 801 that the work is finished.
  • the work progress management unit 801 updates the work progress information for each order ID according to the notification information from the work station 802.
  • the work progress display unit 803 is provided in the management apparatus 204, and visualizes the management information of the work progress management unit 801 and the calculation result of the leveling function unit 403.
  • FIG. 10 is an example of a display screen for visualization information.
  • the number of remaining work lines is graphed for each zone, and the expected number of calculations when leveling is executed is simultaneously drawn for each zone.
  • the leveling can be executed or can be confirmed and executed by the administrator.
  • the administrator can designate the target zone and move the transport shelf DS for leveling.
  • the timing for executing the leveling may be set to be executed at regular intervals. From the display screen, the administrator can decide whether to execute at the administrator's timing, at regular intervals, or automatically when the difference between remaining work zones exceeds a specified threshold. You can choose.
  • FIG. 11 is a functional diagram in which a shelf position determination unit 1101 of the transport shelf DS is added.
  • FIG. 12 is a processing flow in the shelf position determination unit 1101.
  • FIG. 11 is a diagram in which functions are added to the functional diagram described with reference to FIG. 8. Here, the added functions will be mainly described.
  • the work station 802 when an operator picks a predetermined article from the transport shelf DS, a notice of picking completion is received.
  • the work station 802 notifies the work progress management unit 801 of the received information.
  • the work progress management unit 801 manages the progress information of the work station 802 and notifies the transfer shelf position determination unit 1101 when the work related to the transfer shelf DS transferred to the work station 802 is completed.
  • the transport shelf position determination unit 1101 determines a position for returning the transport shelf DS.
  • the transport shelf DS has been transported from another zone Z1, first, it is searched whether there is a space in which the transport shelf DS can be placed in the zone Z2 to which the transport shelf DS belongs at that time (S1201). For example, when another transport shelf DS is being transported and is vacant (S1201: YES), the space is set as a search target. Further, a spare space provided in the zone Z2 may be used. If a plurality of vacant spaces are found in the zone Z2, the number of times of leaving the articles stored in the transport shelf DS is obtained, and the remaining number of scheduled transports of the transport shelf DS is calculated.
  • the shelf position determining unit 1101 transmits the instruction to the instruction creating unit 404 after determining the position to return the transport shelf DS.
  • the instruction creation unit 404 receives the shelf installation position determined by the transport shelf position determination unit 1101 and creates an instruction including the position to return the shelf from the current position of the transport shelf DS.
  • the instruction transmission unit 405 transmits the instruction information received from the instruction creation unit 404 to the transport vehicle controller WCS-B420.
  • the method for determining the position to return the shelf DS when the transport shelf DS moves from another zone has been described.
  • the transport shelf DS may be returned to the original zone and further to the original shelf installation position.
  • the position of the transport shelf DS is fixed, for example, when an article is added for warehousing or replenishment work, the corresponding work station WS that calls the transport shelf DS in a short time is easily determined. be able to.
  • the inventory can be easily confirmed visually.
  • the position where the transport shelf DS is returned in as short a time as possible can be determined.
  • the management apparatus 400 includes a shelf position determination unit 1101 that determines a position where the transport shelf DS moved between a plurality of zones is installed, and the shelf position determination unit 1101 stores the transport shelf DS at the end of the picking operation. Based on the position, an installation position is determined such that the movement distance of the transport shelf DS is shortened. Thus, the moving distance of the transport shelf DS can be shortened according to the position of the transport shelf DS that moves to another zone each time the picking operation is completed.
  • the management apparatus 400 includes a shelf position determination unit 1101 that determines a position where the transport shelf DS moved between a plurality of zones is installed.
  • the shelf position determination unit 1101 calculates the number of conveyances of the conveyance shelf DS based on the remaining work of the conveyance shelf DS at the end of the picking work, and selects the installation position of the conveyance shelf according to the calculated number of shipments. Thereby, the moving distance of the transport shelf DS can be shortened according to the dispatch frequency of the transport shelf DS that moves to another zone each time the picking operation is completed.
  • Information such as programs, tables, and files for realizing each function is recorded on a memory, a hard disk, a storage device such as an SSD (Solid State Drive), or an IC (Integrated Circuit) card, an SD card, or a DVD (Digital Versatile Disc). It can be stored on a medium.
  • SSD Solid State Drive
  • IC Integrated Circuit
  • SD Secure Digital
  • DVD Digital Versatile Disc
  • control lines and information lines indicate what is considered necessary for explanation, and do not necessarily indicate all control lines and information lines necessary for mounting. In practice, it can be considered that almost all the components are connected to each other.
  • 202 ... Picking management system, 204 ... Management device, 205 ... Carrier controller WCS-B1, 206 ... Carrier controller WCS-B2, 207 ... Carrier controller WCS-B3, 303 ... Leveling function unit, 308 ... Carrier allocation 309 ... route creation unit, 400 ... management device, 420 ... conveyance vehicle controller WCS-B, 801 ... work progress management unit, 803 ... progress display unit, shelf position determination unit 1101, AC ... conveyance vehicle, DS ... conveyance shelf

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  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

La présente invention ajuste la progression de travail entre de multiples zones. Ce système de gestion de prélèvement de stock 202 pour un entrepôt dans lequel une pluralité d'étagères de transport DS pour stocker des articles sont agencées comprend une pluralité de véhicules de transport AC, un dispositif de gestion 400, et un contrôleur de véhicule de transport WCS-B420. Un véhicule de transport AC transporte chaque étagère de transport de la pluralité d'étagères de transport DS. Le dispositif de gestion 400 gère des informations de commande pour donner des instructions lors du prélèvement d'un article. Le contrôleur de véhicule de transport WCS-B420 commande le déplacement de chacun des véhicules de transport sur la base des instructions provenant du dispositif de gestion 400. Le contrôleur de véhicule de transport WCS-B420 définit une zone mobile pour chacun de la pluralité de véhicules de transport AC.
PCT/JP2017/040026 2017-03-13 2017-11-07 Système de gestion de prélèvement de stock et procédé de gestion de prélèvement de stock WO2018168060A1 (fr)

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JP2023136254A (ja) * 2022-03-16 2023-09-29 株式会社東芝 情報処理装置、情報処理方法、プログラムおよび情報処理システム
CN115027863B (zh) * 2022-07-20 2023-08-08 江苏永山窍档案管理服务有限公司 一种高密度超平库系统
CN115027863A (zh) * 2022-07-20 2022-09-09 江苏永山窍档案管理服务有限公司 一种高密度超平库系统
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