CN111738492A - Container positioning method, device, equipment and storage medium - Google Patents

Container positioning method, device, equipment and storage medium Download PDF

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Publication number
CN111738492A
CN111738492A CN202010437069.6A CN202010437069A CN111738492A CN 111738492 A CN111738492 A CN 111738492A CN 202010437069 A CN202010437069 A CN 202010437069A CN 111738492 A CN111738492 A CN 111738492A
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picking
storage container
item
article
article storage
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肖鹏宇
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Beijing Jingdong Qianshi Technology Co Ltd
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Beijing Jingdong Qianshi Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06315—Needs-based resource requirements planning or analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders

Abstract

The embodiment of the invention discloses a container positioning method, a device, equipment and a storage medium, wherein the method comprises the following steps: if the current picking workstation receives a first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined; if it is detected based on the first sorting surplus article information that the first article storage container does not meet the article sorting requirement of the first sorting task, acquiring a second article storage container taking other sorting workstations as a transportation destination, and determining second sorting surplus article information corresponding to the second article storage container; based on the second picking residual article information, positioning is carried out in the second article storage container, and the target article storage container corresponding to the first picking task is determined so as to convey the target article storage container to the current picking workstation, so that the conveying distance can be reduced, and the article picking efficiency is improved.

Description

Container positioning method, device, equipment and storage medium
Technical Field
The embodiments of the present invention relate to computer technologies, and in particular, to a method, an apparatus, a device, and a storage medium for container positioning.
Background
With the rapid development of scientific technology, more and more automation equipment is applied to the warehousing field to improve the warehouse operation efficiency and reduce the labor cost.
Typically, the bins located in the warehouse may be transported to a picking station for picking using an unmanned transport vehicle, such as a multi-level bin unmanned forklift AGV (Automated guided vehicle).
In the existing bin locating method, based on the picking tasks assigned by the picking workstation, in each bin in the warehouse which is in an idle state (i.e. not located by other picking workstations), a target bin satisfying the item picking requirement in the picking task is located, so that the target bin is transported to the picking workstation to complete the corresponding picking task.
However, in the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art:
in the existing bin positioning mode, each bin can only be positioned by one picking work station at the same time, and can be positioned by other picking work stations in an idle state after the picking task is completed, so that the bin can only go to one picking work station after being taken out of a warehouse every time, and other bins need to be positioned if other picking work stations need the same kind of articles, thereby increasing the carrying distance and reducing the article picking efficiency.
Disclosure of Invention
The embodiment of the invention provides a container positioning method, a container positioning device, container positioning equipment and a storage medium, which are used for reducing the carrying distance and improving the article picking efficiency.
In a first aspect, an embodiment of the present invention provides a container positioning method, including:
if the current picking workstation receives a first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined;
if it is detected that the first article storage container does not meet the article picking requirement of the first picking task based on the first picking surplus article information, acquiring a second article storage container taking other picking workstations as a transportation destination, and determining second picking surplus article information corresponding to the second article storage container;
and positioning in the second article storage container based on the second picking residual article information, and determining a target article storage container corresponding to the first picking task so as to convey the target article storage container to the current picking workstation.
In a second aspect, an embodiment of the present invention further provides a container positioning apparatus, including:
a first picking remaining item information determining module, configured to, if a current picking workstation receives a currently assigned first picking task, acquire a first item storage container that takes the current picking workstation as a transportation destination, and determine first picking remaining item information corresponding to the first item storage container;
a second picking surplus item information determining module, configured to, if it is detected based on the first picking surplus item information that the first item storage container does not meet an item picking requirement of the first picking task, obtain a second item storage container destined to another picking workstation as a transportation destination, and determine second picking surplus item information corresponding to the second item storage container;
and the target item storage container determining module is used for positioning in the second item storage container based on the second picking residual item information, determining a target item storage container corresponding to the first picking task, and conveying the target item storage container to the current picking workstation.
In a third aspect, an embodiment of the present invention further provides an apparatus, where the apparatus includes:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a container location method as provided by any of the embodiments of the invention.
In a fourth aspect, embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the container positioning method provided in any embodiment of the present invention.
The embodiment of the invention has the following advantages or beneficial effects:
if the current picking workstation receives a first newly allocated picking task, determining first picking surplus item information corresponding to a first item storage container taking the current picking workstation as a carrying destination, detecting whether the first item storage container meets the item picking requirement of the first picking task or not based on the first picking surplus item information, if not, determining second picking surplus item information corresponding to a second item storage container taking other picking workstations as the carrying destination, positioning in the second item storage container taking other picking workstations as the carrying destination based on the second picking surplus item information, and determining a target item storage container corresponding to the first picking task so that the target item storage container can be carried to the current picking workstation besides being carried to other picking workstations, thereby same article storage container can be positioned by the picking workstation of difference for article storage container can go to a plurality of picking workstations when leaving warehouse each time, has reduced article storage container's the quantity of leaving warehouse, and also reduced the transport distance of leaving warehouse, thereby improved article and picked efficiency.
Drawings
Fig. 1 is a flowchart of a container positioning method according to an embodiment of the present invention;
fig. 2 is a flowchart of a container positioning method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a container positioning method according to a third embodiment of the present invention;
fig. 4 is a flowchart of a container positioning method according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a container positioning device according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of an apparatus according to a sixth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a container positioning method according to an embodiment of the present invention, which is applicable to a case where an article storage container required by each picking station is taken out of a warehouse and positioned so as to transport the positioned article storage container to a corresponding picking station for picking. The method may be performed by a container positioning apparatus, which may be implemented by software and/or hardware, integrated in a device with data processing function, such as a computer, etc. As shown in fig. 1, the method specifically includes the following steps:
s110, if the current picking workstation receives the first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined.
Wherein the picking workstation may be a workstation for picking items from the item storage containers based on a picking order. The number of picking stations may be plural. The current picking station may refer to any one of the individual picking stations. The picking task may be a task for picking items. For example, a picking task may refer to an order for a user to purchase an item. The items to be picked in a picking order may be one or more. The first picking order may be a picking order that is newly allocated to the current picking station at the current time, at which time no positioning operation of the item storage container has been carried out on the basis of the first picking order. The number of first picking tasks may be one or more. If a plurality of first picking tasks currently exists, the plurality of first picking tasks can be used as a picking task aggregate list, so that all first picking tasks are subjected to container positioning at the same time. The article storage container is a container which can be transported and is used for storing articles in the warehouse, so that the articles in the warehouse can be transported to the picking workstation for picking by transporting the article storage container. For example, the item storage container may be, but is not limited to, a bin. Each article storage container may store one or more articles therein. The transport destination may refer to a picking station to which the article storage container needs to be transported. Each article storage container may correspond to one or more shipping destinations. The first item storage container may be a pre-located item storage container destined for transport at the current picking station. The first item storage container may be an item storage container that is currently located but has not yet completed picking. For example, the first item storage container may be an item storage container that is heading for the current picking station, or an item storage container that has been transported to the current picking station and is being picked at the current picking station. The number of the first article storage containers may be one or more. The first pick remaining item information may include: a remaining quantity corresponding to each remaining item remaining after the end of picking in all of the first item storage containers.
It should be noted that, when the current picking workstation receives the first allocated picking task, the item storage containers in the warehouse may be located based on the information of the items to be picked in the first allocated picking task, so as to obtain the item storage containers located to meet the item picking requirements in the first allocated picking task. The handling destination of the located item storage container may be set as the current picking workstation for handling the item storage container to the current picking workstation, and the located item storage container may be bound to the first assigned picking order, so that an item picking demand of the current picking workstation in the located item storage container may be obtained based on the bound picking order. When the current picking workstation receives a new picking task which is subsequently distributed, the positioning operation of the article storage container can be carried out by executing the steps S110-S130, so that a more reasonable article storage container is positioned, and the article picking efficiency is improved.
Specifically, if the current picking workstation receives the newly allocated first picking task, the first item storage container with the current picking workstation as the transportation destination may be obtained based on the transportation destination corresponding to each item storage container located by each picking workstation, and the first picking remaining item information obtained after the first item storage container finishes the bound picking task is determined, so as to obtain the item picking demand that can be satisfied in the first item storage container.
For example, "determining first picking remaining item information corresponding to the first item storage container" in S110 may include: and determining first picking residual item information corresponding to the first item storage container according to the information of the items to be picked in the second picking task bound to the first item storage container and the information of the stored items in the first item storage container.
Wherein the second picking task may be used to characterize item picking requirements that the first item storage container needs to meet. The number of second picking tasks may be one or more. If there is only one transport destination currently for the first item storage container, i.e., the current picking station, the bound second picking task corresponding to the first item storage container may refer to a second picking task that has been assigned by the current picking station but has not been completed by picking. If the transportation destination corresponding to the first item storage container includes other picking workstations besides the current picking workstation, the bound second picking task corresponding to the first item storage container may refer to a second picking task that is allocated by the current picking workstation and other picking workstations but has not been completed by picking. The first picking surplus item information corresponding to the first item storage container may be updated in real time as the number of delivery destinations corresponding to the first item storage container increases, that is, the number of bound second picking orders increases.
Specifically, the first picking remaining item information after all the bound second picking tasks are picked in the first item storage container can be determined according to the information of the items to be picked in each second picking task bound to the first item storage container and the information of the stored items in the first item storage container. For example, the storage quantity corresponding to the stored item in the first item storage container may be deducted by the picking quantity corresponding to the corresponding to-be-picked item in the bound second picking task, so as to obtain the first picking remaining item information corresponding to the first item storage container. For example, if the information of the item to be picked in the second picking task to which the first item storage container is bound is: "4 articles a, 5 articles B", the article storage information in the first article storage container is: "10 items a, 10 items B", then the first picking remaining item information corresponding to the first item storage container may be determined as: "6 articles a, 5 articles B".
And S120, if it is detected that the first article storage container does not meet the article picking requirement of the first picking task based on the first picking surplus article information, acquiring a second article storage container taking other picking work stations as a carrying destination, and determining second picking surplus article information corresponding to the second article storage container.
Wherein the item picking demand of the first picking task may include each item to be picked in the first picking task and a corresponding quantity to be picked. The other picking stations may refer to picking stations other than the current picking station among all picking stations. The number of other picking stations may be one or more. A second item storage container may refer to an item storage container that has been located by other picking stations but has not yet completed picking. For example, the second item storage container may be an item storage container that is heading for other picking stations, or an item storage container that has been transported to and picked at other picking stations. Like the current picking station, the number of second item storage containers for each of the other picking stations may be one or more. The second pick remaining item information may include: the remaining quantity corresponding to each remaining item remaining after the sorting is finished in all the corresponding second item storage containers.
Specifically, it may be detected whether the first article storage container may satisfy the article picking requirement of the first picking task based on the first picking surplus article information, and if it is detected that the article picking requirement of the first picking task is not satisfied, it indicates that the picking operation of the first picking task cannot be completed only by using the first article storage container, and other article storage containers need to be located. For example, second picking remaining item information corresponding to the second item storage container may be determined according to the information of the items to be picked in the third picking task to which the second item storage container is bound and the information of the stored items in the second item storage container. The second remaining picking item information corresponding to the second item storage container may be updated in real time as the number of delivery destinations corresponding to the second item storage container increases, that is, the number of bound third picking orders increases.
For example, if it is detected that the first item storage container satisfies the item picking requirement of the first picking task based on the first picking surplus item information, it indicates that the picking operation of the first picking task can be completed only by using the first item storage container without locating other item storage containers, at this time, the first picking task may be bound to the corresponding first item storage container to update the first picking surplus item information corresponding to the first item storage container, and the step S110 is returned to wait for the next time of receiving the newly allocated first picking task to perform the locating operation of the item storage container.
S130, positioning is carried out in the second article storage container based on the second picking residual article information, and a target article storage container corresponding to the first picking task is determined so as to convey the target article storage container to the current picking workstation.
Specifically, based on the second picking remaining item information corresponding to each other picking workstation, in each second item storage container positioned out of the warehouse by other picking workstations, a target item storage container which can meet the item picking requirement of the first picking task is determined, so that the target item storage container can also be transported to the current picking workstation, and therefore the item storage container can go to a plurality of picking workstations each time the item storage container is out of the warehouse, so that the current picking workstation can complete the allocated first picking task based on the target item storage container positioned by other picking workstations, and other item storage containers in the warehouse do not need to be positioned, thereby reducing the number of the out-of-warehouse items of the item storage container, reducing the out-of-warehouse transporting distance, and improving the item picking efficiency. After the target article storage container corresponding to the first picking task is determined, the first picking task can be bound to the corresponding target article storage container, so that each picking task bound to each article storage container can be updated in real time, the information of the remaining picked articles corresponding to the article storage containers can be determined more accurately, and the accuracy of container positioning is improved.
For example, if a target item storage container satisfying the item picking requirement of the first picking task cannot be determined among the second item storage containers positioned out of the warehouse by other picking workstations, the second item storage containers may be positioned among the item storage containers in an idle state and/or the item storage containers in warehouse returning and conveying to determine the target item storage container satisfying the item picking requirement of the first picking task, and the current picking workstation may be set as a conveying destination corresponding to the target item storage container, so as to convey the target item storage containers to the current picking workstation for picking.
It should be noted that each picking station may be used as a current picking station, and the positioning operation of the article storage containers is performed through the steps S110 to S130, so as to position more reasonable article storage containers and improve the article picking efficiency. The container positioning operations corresponding to each picking workstation may be performed sequentially based on the chronological order of the reception times of the first picking tasks.
In the technical solution of this embodiment, if the current picking workstation receives the first picking task newly allocated at present, it may determine first picking surplus item information corresponding to a first item storage container whose transportation destination is the current picking workstation, and detect whether the first item storage container satisfies an item picking requirement of the first picking task based on the first picking surplus item information, if it is detected that it does not satisfy, determine second picking surplus item information corresponding to a second item storage container whose transportation destination is the other picking workstation, and based on the second picking surplus item information, perform positioning in the second item storage container whose transportation destination is the other picking workstation, determine a target item storage container corresponding to the first picking task, so that the target item storage container is transported to other picking workstations, the picking device can also be transported to the current picking workstation, so that the same article storage container can be positioned by different picking workstations, the article storage container can go to a plurality of picking workstations when being taken out of the warehouse every time, the number of the article storage containers which are taken out of the warehouse is reduced, the conveying distance of the articles which are taken out of the warehouse is also reduced, and the article picking efficiency is improved.
On the basis of the above technical solution, S110 may include: if at least two target picking workstations simultaneously receive the currently distributed first picking tasks, determining the number of newly-added containers corresponding to each target picking workstation according to a preset container threshold value; sequencing all target sorting workstations based on the number of newly-added containers to determine a target workstation sequence; based on the sequence of target workstations, each target picking workstation is sequentially determined as a current picking workstation, and a first item storage container with the current picking workstation as a transport destination is obtained.
The target picking workstation may be a picking workstation to which a picking task is newly assigned at the present time. The preset container threshold may refer to a maximum number of item storage containers that the picker station may process before receiving the next batch of item storage containers for direct transport from the warehouse. The preset container threshold may be based on an average time T for the transport vehicle to travel from the warehouse to the picking stationbAnd the average time T for the picking station to process an article storage containercA determination is made. Illustratively, a transporter may be handled to a pickMean time T of selected work stationbAverage time T associated with handling of an article storage container by a picking stationcThe ratio therebetween is determined as a preset container threshold. The number of newly added containers may refer to the number of article storage containers that the target picking station may increase before the next batch of article storage containers is directly handled from the warehouse.
specifically, for each target picking workstation, according to the total number of first article storage containers currently located by the target picking workstation but not finished picking (i.e. the total number of first article storage containers currently using the target picking workstation as a transportation destination) and a preset container threshold, the number of newly added containers corresponding to the target picking workstation may be determined
Figure BDA0002502677200000111
The difference between the total number of first article storage containers determines the number of containers that can be added, e.g., the number of containers A that can be addedwIt can be determined that:
Figure BDA0002502677200000112
for example, the adjusting parameter α can be increased if containers such as the picking workstation and the like frequently occur, the adjusting parameter α can be decreased if containers such as the picking workstation and the like frequently queue, so that the picking workstation can immediately process the containers after the articles arrive, and the picking workstation can uninterruptedly receive the articles, thereby ensuring the continuous work of the picking workstation and improving the resource utilization rate and the picking efficiency.
Based on the number of newly added containers corresponding to each target picking workstation, the target picking workstations can be arranged in a descending order, and the number of newly added containers corresponding to each target picking workstation in the obtained target workstation sequence is reduced in sequence. Each target picking work station in the target work station sequence is sequentially used as the current picking work station to perform container positioning operation, so that the target picking work stations with more newly added containers can be preferentially subjected to container positioning operation, the newly positioned article storage containers can be rapidly picked, and the picking efficiency is further improved.
On the basis of the above technical solution, S120 may include: if it is detected that the same target item does not exist in the remaining items in the first picking remaining item information and the items to be picked in the first picking task, or the picking number corresponding to at least one target item in the remaining items and the items to be picked is greater than the corresponding first picking remaining item number, a second item storage container taking other picking workstations as a transportation destination is obtained.
The target item may refer to the same item included in the first picking remaining item information and the first picking order. Specifically, whether the same target item exists in the remaining item in the first picking remaining item information and the item to be picked in the first picking task may be detected; if the same target item does not exist, indicating that the first item storage container does not satisfy all item picking requirements of the first picking task, a second item storage container with other picking workstations as a transportation destination may be obtained for positioning in the second item storage container. Through the mode that whether the same article exists in the detection surplus article and the article to be picked, can determine the condition that first article storage container unsatisfied the article of first picking task and select the demand more fast, improved container location efficiency.
If the same target items are detected to exist, whether the quantity to be picked corresponding to each target item is larger than the first picking residual item quantity or not can be detected, if the quantity to be picked corresponding to at least one target item is larger than the first picking residual item quantity or not, the fact that the first item storage container can meet part of item picking demands of the first picking task but cannot meet all item picking demands of the first picking task is indicated, and at the moment, a second item storage container taking other picking work stations as a carrying destination can be obtained so as to be located in the second item storage container. If it is detected that the to-be-picked quantities corresponding to all the target items are less than or equal to the first picking remaining item quantity and each to-be-picked item exists in the remaining items, it may be determined that the first item storage container satisfies the item picking requirement of the first picking task, at this time, the first picking task may be bound to the corresponding first item storage container, so that the first picking remaining item information corresponding to the first item storage container may be updated, and the step S110 is returned to wait for the next time of receiving the newly allocated first picking task to perform the positioning operation of the item storage container.
On the basis of the above technical solution, S130 may include: determining information of the items to be added corresponding to the first picking task according to the information of the items to be picked in the first picking task and the information of the first picking residual items; and positioning in the second article storage container according to the information of the article to be added and the information of the second picking residual article, and determining a target article storage container corresponding to the first picking task.
The information of the article to be added may include: an item to be added and a corresponding quantity to be added. Wherein the item to be appended may refer to at least one item to be picked in the first picking order. Items to be added may be used to characterize items that need additional picking in second item storage containers destined for transport at other picking stations. The amount to be added may be used to characterize the amount to be picked corresponding to the items that need to be picked in the second item storage container.
Specifically, the information on the item to be added that needs to be additionally picked in the second item storage container may be determined based on each item to be picked in the first picking task and the corresponding number to be picked and each remaining item in the first picking remaining item information and the corresponding number to be remaining. By means of positioning in each second article storage container based on the information of the article to be added and the information of the second picking surplus articles, the target article storage container meeting the article picking requirement in the information of the article to be added is determined, so that the target article storage containers with the quantity as small as possible are positioned in each second article storage container, and article picking efficiency is further improved.
Example two
Fig. 2 is a container positioning method according to a second embodiment of the present invention, and in this embodiment, based on the above embodiments, "determining information of an item to be added corresponding to a first picking task according to information of an item to be picked in the first picking task and information of a first picking remaining item" is optimized. On the basis, optimization is also performed on the condition that the target article storage container corresponding to the first picking task is determined by positioning in the second article storage container according to the information of the article to be added and the information of the second picking residual article. Wherein explanations of the same or corresponding terms as those of the above embodiments are omitted.
Referring to fig. 2, the method for positioning a container provided in this embodiment specifically includes the following steps:
s210, if the current picking workstation receives the currently distributed first picking task, acquiring a first article storage container taking the current picking workstation as a carrying destination, and determining first picking residual article information corresponding to the first article storage container.
And S220, if it is detected that the first article storage container does not meet the article picking requirement of the first picking task based on the first picking surplus article information, acquiring a second article storage container taking other picking work stations as a carrying destination, and determining second picking surplus article information corresponding to the second article storage container.
S230, detecting whether the residual items in the first picking residual item information and the items to be picked in the first picking task have the same target items or not, and if yes, entering the step S240; if not, the process proceeds to step S250.
The target item may refer to the same item included in the first picking remaining item information and the first picking order.
S240, updating the target number of items to be picked corresponding to the target item based on the first remaining item picking number corresponding to the target item, determining information of items to be added corresponding to the first picking task, and proceeding to step S260.
Specifically, when it is detected that the same target item exists in the remaining items in the first picking remaining item information and the items to be picked in the first picking task, it indicates that the first item storage container may satisfy a partial item picking requirement of the first picking task, at this time, the first picking remaining item quantity and the target items to be picked quantity corresponding to each target item may be obtained, and the picking requirement of the target item needs to be added in another item storage container is determined by comparing the first picking remaining item quantity with the target items to be picked quantity. For example, if the target number of items to be picked corresponding to the target item is less than or equal to the corresponding first remaining item picking number, it indicates that the first item storage container can meet the picking requirement of the target item without addition. If the quantity of the target to-be-picked items corresponding to the target item is larger than the corresponding quantity of the first picking residual items, it is indicated that the first item storage container cannot meet the picking requirement of the target item, and addition is required. If the items to be picked in the first picking task include other items to be picked besides the target items, the other items to be picked may be used as items to be added, and the quantity to be picked is used as the corresponding quantity to be added, so as to obtain the information of the items to be added corresponding to the first picking task, so that the first item storage container is used to meet the partial item picking requirement of the first picking task, the quantity of the additionally positioned target item storage containers is reduced as much as possible, and the item picking efficiency is improved.
For example, if the first picking remaining item information corresponding to the first item storage container is: "6 items a, 5 items B", the information of the items to be picked in the first picking order is: "10 items a, 10 items C", the information of the item to be added may be determined as: "4 articles a, 10 articles C".
S250, determining the information of the item to be picked in the first picking task as the information of the item to be added.
Specifically, when it is detected that the same target item does not exist in the remaining items in the first picking remaining item information and the to-be-picked items in the first picking task, it indicates that the first item storage container cannot meet any item picking requirement of the first picking task, and at this time, the to-be-picked item information in the first picking task may be directly determined as the to-be-added item information.
And S260, determining candidate second article storage containers meeting preset additional conditions according to the information of the articles to be added and the information of the stored articles in each second article storage container.
The preset additional condition is a condition that can be satisfied when the second article storage container is used as the target article storage container, that is, a condition that the candidate second article storage container satisfies. For example, the preset addition condition may refer to a second item storage container storing an item to be added.
Specifically, each item to be added in the item to be added information and each stored item stored in each second item storage container are compared, and the second item storage container in which at least one item to be added is stored may be determined as a candidate second item storage container.
Illustratively, S260 may include: and determining candidate second article storage containers meeting preset adding conditions according to the information of the articles to be added, the information of the articles stored in the second article storage containers, the number of the carrying destinations corresponding to the second article storage containers and a preset destination threshold.
The number of the transportation destinations corresponding to the second item storage container may refer to the number of picking workstations that the second item storage container needs to go to currently. The preset destination threshold may be a maximum value of the number of conveyance destinations corresponding to each article storage container, which is set in advance. That is, each item storage container may travel to a maximum of a predetermined threshold number of picking stations per each warehouse exit to avoid instances of picking efficiency due to item storage containers being positioned by too many picking stations.
Specifically, each article to be added in the information of the article to be added may be compared with each article stored in each second article storage container, a second article storage container to be selected in which at least one article to be added is stored is determined, the number of transportation destinations corresponding to each second article storage container to be selected is counted, and the second article storage container to be selected, in which the number of transportation destinations is smaller than a preset destination threshold, is determined as the candidate second article storage container. The number of the carrying destinations corresponding to each second article storage container can be counted, the second article storage container with the carrying destination number smaller than the preset destination threshold value is determined as a second article storage container to be selected, each article to be added in the information of the articles to be added is compared with each article stored in each second article storage container to be selected, and the second article storage container to be selected storing at least one article to be added is determined as a candidate second article storage container, so that the articles to be added are stored in each candidate second article storage container, the number of the carrying destinations is smaller than the preset destination threshold value, and reasonable candidate second article storage containers are obtained, and the article picking efficiency is further improved.
S270, sorting the candidate second article storage containers to obtain a container sequence.
Specifically, the candidate second item storage containers may be sorted according to at least one of a number of transportation destinations, a transportation state, a number of objects that meet a demand for an additional item, and a distance from the current picking workstation from near to far, so as to obtain a container sequence. When sorting is performed based on the conveying state, the candidate second item storage containers in warehouse-out conveying can be preferentially sorted, the candidate second item storage containers in warehouse-back conveying can be sorted, and the candidate second item storage containers in the warehouse in the non-conveying state can be sorted finally, so that the candidate second item storage containers which are already in warehouse-out are preferentially considered, the warehouse-out number of the item storage containers is reduced as much as possible, and the sorting efficiency is improved.
And S280, based on the container sequence, according to the stored article information and the to-be-added article information in each candidate second article storage container, determining a target article storage container meeting the to-be-added article sorting requirement in the to-be-added article information, and carrying the target article storage container to the current sorting workstation.
Specifically, candidate second item storage containers in the container sequence may be located one by one until a target item storage container satisfying the picking requirement of the item to be added in the information of the item to be added is located, or the number of located target item storage containers is equal to the number of newly-added containers corresponding to the current picking workstation. And setting a current picking workstation at the conveying destination corresponding to each positioned target article storage container, and updating the picking surplus article information corresponding to each target article storage container so as to perform subsequent container positioning operation based on the updated picking surplus article information.
According to the technical scheme of the embodiment, whether the same target item exists between the remaining item in the first picking remaining item information and the item to be picked in the first picking task is detected, if yes, the number of the target item to be picked corresponding to the target item is updated based on the number of the first picking remaining item corresponding to the target item, and the information of the item to be added corresponding to the first picking task is determined, so that the first item storage container can be used for meeting the part of item picking requirements of the first picking task, the number of additionally positioned target item storage containers is reduced as much as possible, and the item picking efficiency is improved. And each candidate second article storage container is positioned one by one based on the container sequence, so that more reasonable target article storage containers can be determined, and the article picking requirement is further improved.
EXAMPLE III
Fig. 3 is a container positioning method according to a third embodiment of the present invention, which, based on the above embodiments, describes in detail a scheduling process of a transportation vehicle for transporting an article storage container after a picking workstation completes a corresponding picking task based on the transported article storage container. Wherein explanations of the same or corresponding terms as those of the above embodiments are omitted.
Referring to fig. 3, the method for positioning a container provided in this embodiment specifically includes the following steps:
s310, if the current picking workstation receives the first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined.
And S320, if it is detected that the first article storage container does not meet the article picking requirement of the first picking task based on the first picking surplus article information, acquiring a second article storage container taking other picking work stations as a carrying destination, and determining second picking surplus article information corresponding to the second article storage container.
S330, positioning is carried out in the second article storage container based on the second picking residual article information, and a target article storage container corresponding to the first picking task is determined so as to convey the target article storage container to the current picking workstation.
S340, after the current picking work station completes a corresponding picking task based on the transported current article storage container, detecting whether other first picking work stations except the current picking work station exist in a transportation destination corresponding to the current article storage container, and if so, entering the step S350; if not, the process goes to step S360.
Wherein a current item storage container may refer to an item storage container located at a current picking workstation that has completed a corresponding picking task. The present article storage container may be one or more. The first picking station may refer to a picking station other than the current picking station in each of the transportation destinations corresponding to the current item storage container.
Specifically, after the current picking workstation completes the corresponding picking task based on the transported current article storage container, it may determine a next picking workstation to which the current article storage container is transported by detecting whether there is another first picking workstation except the current picking workstation in the transportation destination corresponding to the current article storage container.
And S350, determining a second picking workstation from the first picking workstation, and controlling the current transport vehicle to convey the current article storage container to the second picking workstation for picking.
The second picking station may refer to a next transportation destination corresponding to the current item storage container. The current transport vehicle may be an unmanned transport vehicle which can transport only one item storage container at a time, in order to transport the respective current item storage container into the second picking station for picking by each current transport vehicle. Current transportation vehicles may also refer to automated guided vehicles that can transport multiple article storage containers at a time. For example, the transport vehicle may be, but is not limited to, a multi-layer magazine type unmanned vehicle AGV, such that the unmanned vehicle AGV may simultaneously transport a plurality of article storage containers, so that all current article storage containers are transported to the second picking workstation by one current transport vehicle at a time, thereby improving the transport efficiency.
In particular, if there is only one first picking station, this first picking station can be determined directly as the second picking station. If a plurality of first picking workstations exist, one first picking workstation can be randomly selected as a second picking workstation, so that the current carrier can be controlled to carry the current article storage container to the second picking workstation for continuous picking, the effect that the article storage container can go to the plurality of picking workstations each time the article storage container is taken out of the warehouse is realized, and the picking efficiency is improved.
Exemplarily, "determining the second picking station from the first picking station" in S350 may include: determining the number of idle transportation parking spaces corresponding to each first sorting workstation; and determining the first picking work station with the largest number of idle transportation parking spaces as a second picking work station.
The idle transportation parking space can be in an idle state and can receive the parking space position of the transportation vehicle. The number of idle transportation spaces corresponding to the first picking workstation may be the number of transportation vehicles which can be currently received by the first picking workstation.
Specifically, for each first picking workstation, the number of idle transportation parking spaces corresponding to each first picking workstation may be determined according to the number of transportation vehicles currently arrived at the first picking workstation and a preset transportation vehicle receiving threshold. Through confirming the first workstation of selecting that idle transportation parking stall quantity is the most as the second and selecting the workstation, can be so that current transport vechicle is preferred to go to the first workstation of selecting that idle transportation parking stall quantity is the most to in order can in time select the operation, avoid appearing the condition that the transport vechicle was arranged in a line and is waited for, thereby improve and select efficiency.
It should be noted that, when the current transport vehicle is controlled to transport the current article storage container to the second picking workstation, the current picking workstation may be deleted from the transport destination corresponding to the current article storage container, so as to update the transport destination corresponding to the current article storage container in real time, and avoid that the current article storage container is transported to the current picking workstation again for picking.
And S360, determining the warehouse storage position corresponding to the current article storage container, and controlling the current transport vehicle to transport the current article storage container to the corresponding warehouse storage position for returning to the warehouse.
Wherein a warehouse storage location may refer to a shelf location within the warehouse for storing article storage containers.
Specifically, when it is detected that there is no other first picking workstation other than the current picking workstation in the transportation destination corresponding to the current item storage container, the warehouse storage location corresponding to the current item storage container may be determined based on the heat of the stored item in the current item storage container. For example, the greater the heat of storing the articles, the smaller the average distance between the warehouse storage location and each picking station, so as to shorten the delivery distance and improve the delivery efficiency. For example, in a transportation scenario of a current transport vehicle capable of transporting a plurality of article storage containers simultaneously, if all current article storage containers are transported by the current transport vehicle at one time, when it is detected that no other first picking workstation exists in a transportation destination corresponding to each current article storage container except the current picking workstation, a warehouse storage position corresponding to each current article storage container is determined, and a shortest warehouse returning transportation path is determined based on each warehouse storage position, so that the current transport vehicle transports each current article storage container to a corresponding warehouse storage position for warehouse returning based on the warehouse returning transportation path, thereby improving the warehouse returning efficiency.
According to the technical scheme, after the current picking workstation completes the corresponding picking task based on the transported current article storage container, when other first picking workstations exist in the transportation destination corresponding to the current article storage container except the current picking workstation, the second picking workstation can be determined from the first picking workstation, so that the current carrier can be controlled to transport the current article storage container to the second picking workstation for continuous picking, the effect that the article storage container can go to a plurality of picking workstations each time when the article storage container is taken out of the warehouse is achieved, and the picking efficiency is improved.
On the basis of the above technical solution, the "determining the second picking station from the first picking station" in S350 may include: when no idle transport parking place exists in each first sorting workstation, if the third article storage container to be returned to the warehouse exists in the current transport vehicle, controlling the current transport vehicle to move the third article storage container back to the warehouse; and if detecting that the third article storage container waiting for warehouse return does not exist in the current transport vehicle, controlling the current transport vehicle to go to the warehouse to take out the fourth article storage container when detecting that the idle container storage position exists in the current transport vehicle and the fourth article storage container waiting for warehouse exit exists in the first picking workstation.
The third article storage container may refer to a current article storage container that is currently located in the current transport vehicle and that can be returned to the warehouse and put on shelf with a corresponding destination of transportation being empty. The empty container storage location may be used to characterize the number of article storage containers that the current transporter may currently still be loaded with. The fourth item storage container may refer to an item storage container that is not being handled, of the individual item storage containers located at the current picking station, that is currently still within the warehouse.
Specifically, in a carrying scene of a current carrier vehicle capable of carrying a plurality of article storage containers simultaneously, after the current carrier vehicle loaded with all the current article storage containers reaches a current picking work station to pick and complete a corresponding picking task, when it is detected that no idle transport parking place exists in each first picking work station corresponding to each current article storage container in the current carrier vehicle, it is indicated that the current carrier vehicle needs to suspend carrying operation to the first picking work station, so as to avoid a phenomenon of queue arrangement of the carrier vehicle, at this time, whether a third article storage container capable of returning to a warehouse exists in each current article storage container loaded by the current carrier vehicle can be further detected, and if yes, the current carrier vehicle can be controlled to firstly perform warehouse returning operation of the third article storage container based on the warehouse returning operation; if not, whether an idle container storage position exists in the current transport vehicle or not can be further detected, if so, the idle container storage position indicates that the transport vehicle can also bear the article storage container, at the moment, whether a fourth article storage container to be delivered from the warehouse exists in the first picking workstation or not can be further detected, and if so, the warehouse storage position of the fourth article storage container can be used for controlling the current transport vehicle to deliver the fourth article storage container to the warehouse in advance. If the fourth article storage containers to be delivered out of the warehouse do not exist in each first picking workstation, determining the number of the delivery destinations corresponding to the current transport vehicle based on the number of the delivery destinations corresponding to each current article storage container, detecting whether the article storage containers to be delivered out of the warehouse exist in other picking workstations except the first picking workstation when the number of the delivery destinations corresponding to the current transport vehicle is smaller than a preset destination threshold, and if so, controlling the current transport vehicle to go to the warehouse to take out the fourth article storage containers to be delivered out of the warehouse corresponding to other picking workstations; if not, the current transport vehicle can be controlled to charge, or the current transport vehicle goes to a preset position to wait until the first picking work station with the idle transport parking space appears and then goes to.
Illustratively, controlling the current transporter to move the third item storage container back into the warehouse may include: determining a first channel where the third article storage container is located when the third article storage container is returned to the warehouse; and if the fifth article storage container to be delivered from the first picking workstation in the first channel is detected, controlling the current transport vehicle to deliver the fifth article storage container.
The fifth article storage container may refer to an article storage container to be handled in the first aisle among the article storage containers located at the current picking station.
Specifically, for the transportation scenario of the current transportation vehicle capable of transporting multiple article storage containers simultaneously, when it is detected that a third article storage container capable of returning to the warehouse exists in each current article storage container loaded by the current transportation vehicle, a first lane where the third article storage container is located when returning to the warehouse may be determined based on a warehouse storage location corresponding to the third article storage container, and it is detected whether a fifth article storage container to be delivered from the first sorting workstation exists in the first lane, if so, the current transportation vehicle may be controlled to take out the fifth article storage container in the process of returning the third article storage container to the warehouse under the condition that it is ensured that the number of transportation destinations corresponding to the current transportation vehicle is less than a preset destination threshold and there is an idle container storage location, so that the container returning operation and the container delivery operation may be performed simultaneously, further reduce the transport vechicle and make the distance, improved and selected efficiency. If it is detected that the fifth article storage container to be delivered from the first picking workstation does not exist in the first channel, whether the article storage container to be delivered from the first channel exists in the first channel of other picking workstations except the first picking workstation or not can be detected under the condition that the number of the carrying destinations corresponding to the current transport vehicle is smaller than the preset destination threshold value and the idle container storage position exists, if so, the current transport vehicle is controlled to take out the article storage container to be delivered from the second channel in the process of moving the third article storage container back to the warehouse, so that the container delivery operation and the container delivery operation can be simultaneously performed, and the picking efficiency is improved.
Example four
Fig. 4 is a container positioning method according to a fourth embodiment of the present invention, which, based on the foregoing embodiments, describes in detail a process of selecting an article storage container to be loaded from a target transport vehicle in an idle state. Wherein explanations of the same or corresponding terms as those of the above embodiments are omitted.
Referring to fig. 4, the method for positioning a container provided in this embodiment specifically includes the following steps:
s410, if the current picking workstation receives the first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined.
And S420, if it is detected that the first article storage container does not meet the article picking requirement of the first picking task based on the first picking surplus article information, acquiring a second article storage container taking other picking work stations as a carrying destination, and determining second picking surplus article information corresponding to the second article storage container.
S430, based on the second picking residual article information, positioning is carried out in the second article storage container, and a target article storage container corresponding to the first picking task is determined so as to convey the target article storage container to the current picking workstation.
S440, determining a reference picking work station corresponding to the target transport vehicle in the idle state from the picking work stations according to the number of the current idle transport parking spaces corresponding to each picking work station.
The target transport vehicle in the idle state may refer to an empty transport vehicle that is not currently loaded with the storage container. The current number of free transport slots may refer to the number of currently receivable transport vehicles at the picking station. When the reference picking station can be a target transport vehicle loaded with an item storage container, the first picking station to be considered, that is to say, the target transport vehicle is first considered to be loaded with an item storage container for the transport purpose of the reference picking station.
Specifically, for each picking workstation, the number of the current idle transportation parking spaces corresponding to each picking workstation can be determined according to the number of the transportation vehicles which have arrived at the picking workstation currently and a preset transportation vehicle receiving threshold value. The picking work station with the largest number of the current idle transportation parking spaces can be determined as the reference picking work station corresponding to the target transport vehicle, so that the article storage containers required by the picking work stations with the largest number of the current idle transportation parking spaces can be preferentially taken out from the warehouse, and the picking efficiency is further improved. After the reference picking work station corresponding to the target transport vehicle is determined, the number of the current idle transport parking spaces corresponding to the reference picking work station can be updated in real time, so that the accuracy of selecting the reference picking work station is ensured.
S450, determining each sixth article storage container addressed to the reference picking station, and determining the second aisle in which the sixth article storage container is located.
Wherein, the number of the sixth article storage containers may be one or more.
Specifically, according to the transportation destination corresponding to each article storage container in the warehouse, the sixth article storage container with the reference picking workstation as the transportation destination can be determined, and the second aisle of each sixth article storage container is determined based on the warehouse storage position of each sixth article storage container.
And S460, determining a seventh article storage container from the sixth article storage containers according to the number of the idle container storage positions corresponding to the second channel and the target transport vehicle, and controlling the target transport vehicle to go to the warehouse to load the seventh article storage container.
Wherein, the seventh article storage container may refer to an article storage container currently to be loaded by the target transport vehicle, so that the seventh article storage container is taken out of the warehouse by the target transport vehicle. The number of free container storage locations corresponding to the target transport vehicle may refer to the number of loaded item storage containers of the target transport vehicle.
Specifically, for a carrying scenario of a target transport vehicle that can only carry one article storage container at a time, that is, one empty container storage location corresponding to the target transport vehicle is provided, one sixth article storage container may be randomly selected from the second channel as a seventh article storage container, and based on a warehouse storage location of the seventh article storage container, the target transport vehicle is controlled to carry the seventh article storage container out of the warehouse. In the transportation scenario of the target transportation vehicle capable of transporting multiple article storage containers simultaneously, that is, there are multiple idle container storage locations corresponding to the target transportation vehicle, if there is only one second channel, when the number of sixth article storage containers is less than or equal to the number of idle container storage locations, all sixth article storage containers may be determined as seventh article storage containers, so that all sixth article storage containers are taken out by the target transportation vehicle at one time. If the number of the sixth article storage containers is larger than the number of the idle container storage positions, selecting seventh article storage containers with preset container threshold values from the sixth article storage containers based on the preset container threshold values corresponding to the reference picking workstation, and carrying out the next time for delivering the remaining sixth article storage containers or carrying out the next time for delivering the remaining sixth article storage containers by using other transport vehicles. For example, if the sixth article storage containers are less than or equal to the number of the idle container storage positions, it is indicated that the target transport vehicle still has idle container storage positions after all the sixth article storage containers are loaded, at this time, under the condition that it is ensured that the number of the transport destinations corresponding to the target transport vehicle is less than the preset destination threshold, the article storage containers to be delivered corresponding to other picking workstations are determined in the second lane as seventh article storage containers, so that the target transport vehicle can load the article storage containers using the reference picking workstation as the transport destination and the article storage containers using the other picking workstations as the transport destinations at the same time, the number of times of transport of the transport vehicle is reduced, the resource utilization rate of the transport vehicle is improved, and the picking efficiency is further improved. If the article storage containers to be delivered from the warehouse, corresponding to other picking workstations, do not exist in the second channel, the article storage containers to be delivered from the warehouse, corresponding to other picking workstations, can be determined in the channel adjacent to the second channel under the condition that the number of the delivery destinations corresponding to the target transport vehicle is smaller than the preset destination threshold value, so that the resource utilization rate of the transport vehicle is improved, and the delivery distance is reduced as much as possible.
For the transportation scenario of the target transportation vehicle capable of transporting multiple article storage containers simultaneously, that is, the idle container storage locations corresponding to the target transportation vehicle are multiple, and if there are multiple second channels, the second channel storing the most sixth article storage containers may be determined as the third channel according to the second channel where each sixth article storage container is located. If the number of the stored sixth article storage containers in the third channel is less than or equal to the number of the empty container storage locations, each of the sixth article storage containers stored in the third channel may be determined as a seventh article storage container, so that all of the sixth article storage containers in the third channel may be taken out at one time by the target transport vehicle. If the number of the sixth article storage containers stored in the third channel is greater than the number of the idle container storage positions, seventh article storage containers with preset container threshold values may be selected from the sixth article storage containers stored in the third channel based on the preset container threshold values corresponding to the reference picking workstation, and the remaining other sixth article storage containers may be transported out of the warehouse by the next transportation or by using other transport vehicles. If the number of the sixth article storage containers stored in the third channel is less than or equal to the number of the idle container storage positions, it is indicated that the idle container storage positions exist after the target transport vehicle has loaded all the sixth article storage containers stored in the third channel, and at this time, under the condition that it is ensured that the number of the carrying destinations corresponding to the target transport vehicle is less than the preset destination threshold value, article storage containers to be delivered corresponding to other picking work stations are preferentially determined in the third channel, so that the target transport vehicle can simultaneously load the article storage container taking the reference picking work station as the carrying destination and the article storage containers taking the other picking work stations as the carrying destinations in the third channel, the carrying times and carrying distances of the transport vehicle are reduced, the resource utilization rate of the transport vehicle is improved, and the picking efficiency is improved. If the target transport vehicle has an empty container storage position after loading the article storage containers stored in the third channel and using the reference picking workstation as the transport destination and the article storage containers stored in the other picking workstations as the transport destination, under the condition that the number of the transport destinations corresponding to the target transport vehicle is less than the preset destination threshold, preferentially taking out other sixth article storage containers using the reference picking workstation as the transport destination and then taking out the article storage containers to be delivered from the warehouse using the other picking workstations as the transport destinations in the channel adjacent to the third channel until no empty container storage position exists in the target transport vehicle or the number of the transport destinations corresponding to the target transport vehicle is equal to the preset destination threshold.
Exemplarily, after S460, the method may further include: and according to the number of the current idle transport parking spaces corresponding to each picking work station, determining an initial picking work station for the first time of the target transport vehicle from each picking work station, so that each loaded article storage container is firstly transported to the initial picking work station for picking when the target transport vehicle is taken out of the warehouse. Specifically, for each picking workstation, the number of the current idle transportation parking spaces corresponding to each picking workstation can be determined according to the number of the transportation vehicles which have arrived at the picking workstation currently and a preset transportation vehicle receiving threshold value. The picking work station with the largest number of the current idle transportation parking spaces can be determined as the initial picking work station for the first time of the target transportation vehicle, so that the queuing phenomenon is avoided, and the picking efficiency is improved. For example, if the number of the current idle transportation spaces corresponding to each picking workstation is zero, that is, each picking workstation cannot receive the arrival of the transportation vehicle at present, the target transportation vehicle may be controlled to charge, or go to a preset position to wait until there is a picking workstation with the current idle transportation space number not zero.
According to the technical scheme of the embodiment, a reference picking workstation corresponding to a target transport vehicle in an idle state at present is determined from each picking workstation according to the number of the current idle transport parking spaces corresponding to each picking workstation, and a second channel where each sixth article storage container taking the reference picking workstation as a carrying destination is located is determined; and determining seventh article storage containers from the sixth article storage containers according to the number of the idle container storage positions corresponding to the second channel and the target transport vehicle, and controlling the target transport vehicle to go to the warehouse to load the seventh article storage containers, so that the seventh article storage containers to be loaded by the target transport vehicle in an idle state can be determined more reasonably, and the picking efficiency is further improved.
The following is an embodiment of the container positioning apparatus provided in the embodiments of the present invention, which belongs to the same inventive concept as the container positioning method of the above embodiments, and reference may be made to the above embodiment of the container positioning method for details that are not described in detail in the embodiments of the container positioning apparatus.
EXAMPLE five
Fig. 5 is a schematic structural diagram of a container positioning device according to a fifth embodiment of the present invention, which is applicable to a case where an article storage container required by each picking station is taken out of a warehouse and positioned so as to transport the positioned article storage container to a corresponding picking station for picking. As shown in fig. 5, the apparatus includes: first pick surplus item information determination module 510, second pick surplus item information determination module 520, and target item storage container determination module 530.
The first picking remaining item information determining module 510 is configured to, if the current picking workstation receives a currently assigned first picking task, obtain a first item storage container using the current picking workstation as a transportation destination, and determine first picking remaining item information corresponding to the first item storage container; a second picking surplus item information determining module 520, configured to, if it is detected based on the first picking surplus item information that the first item storage container does not meet the item picking requirement of the first picking task, obtain a second item storage container destined to another picking workstation as a transportation destination, and determine second picking surplus item information corresponding to the second item storage container; a target item storage container determining module 530, configured to locate, based on the second picking remaining item information, a target item storage container corresponding to the first picking task in the second item storage container, so as to transport the target item storage container to the current picking workstation.
Optionally, first picking remaining item information determining module 510 is specifically configured to: and determining first picking residual item information corresponding to the first item storage container according to the information of the items to be picked in the second picking task bound to the first item storage container and the information of the stored items in the first item storage container.
Optionally, second picking remaining item information determining module 520 is specifically configured to: if it is detected that the same target item does not exist in the remaining items in the first picking remaining item information and the items to be picked in the first picking task, or the picking number corresponding to at least one target item in the remaining items and the items to be picked is greater than the corresponding first picking remaining item number, a second item storage container taking other picking workstations as a transportation destination is obtained.
Optionally, the target item storage container determination module 530 includes:
the to-be-added item information determining submodule is used for determining to-be-added item information corresponding to the first picking task according to the to-be-picked item information in the first picking task and the first picking residual item information;
and the target article storage container determining submodule is used for positioning in the second article storage container according to the information of the article to be added and the information of the second picking residual article and determining the target article storage container corresponding to the first picking task.
Optionally, the to-be-added item information determining sub-module is specifically configured to: detecting whether the remaining items in the first picking remaining item information and the items to be picked in the first picking task have the same target items or not; if yes, updating the quantity of the target to-be-picked items corresponding to the target items based on the quantity of the first to-be-picked remaining items corresponding to the target items, and determining information of the to-be-added items corresponding to the first picking task; if not, determining the information of the items to be picked in the first picking task as the information of the items to be added.
Optionally, the target-item storage-container determination sub-module includes:
a candidate second item storage container determining unit, configured to determine, according to the information on the item to be added and the information on the stored items in each second item storage container, a candidate second item storage container that satisfies a preset addition condition;
the container sequence determining unit is used for sequencing the candidate second article storage containers to obtain a container sequence;
and the target article storage container determining unit is used for determining a target article storage container meeting the picking requirement of the article to be added in the article information to be added according to the storage article information and the article to be added in each candidate second article storage container based on the container sequence.
Optionally, the candidate second item storage container determining unit is specifically configured to:
and determining candidate second article storage containers meeting preset adding conditions according to the information of the articles to be added, the information of the articles stored in the second article storage containers, the number of the carrying destinations corresponding to the second article storage containers and a preset destination threshold.
Optionally, first picking remaining item information determining module 510 is further specifically configured to: if at least two target picking workstations simultaneously receive the currently distributed first picking tasks, determining the number of newly-added containers corresponding to each target picking workstation according to a preset container threshold value; sequencing all target sorting workstations based on the number of newly-added containers to determine a target workstation sequence; based on the sequence of target workstations, each target picking workstation is sequentially determined as a current picking workstation, and a first item storage container with the current picking workstation as a transport destination is obtained.
Optionally, the apparatus further comprises:
a delivery destination detection module, configured to detect whether there is another first picking workstation except the current picking workstation in a delivery destination corresponding to the current item storage container after the current picking workstation completes a corresponding picking task based on the current item storage container delivered thereto;
and the second picking work station determining module is used for determining the second picking work station from the first picking work station if the second picking work station is determined, and controlling the current transport vehicle to transport the current article storage container to the second picking work station for picking.
Optionally, a second picking station determination module comprising:
the second picking work station determining submodule is used for determining the number of idle transportation parking spaces corresponding to each first picking work station; and determining the first picking work station with the largest number of idle transportation parking spaces as a second picking work station.
Optionally, the second picking station determining module further comprises:
the third article storage container warehouse returning sub-module is used for controlling the current transport vehicle to move the third article storage container to the warehouse if detecting that the third article storage container to be returned to the warehouse exists in the current transport vehicle when no idle transport parking space exists in each first sorting workstation;
and the fourth article storage container taking-out module is used for controlling the current transport vehicle to go to the warehouse to take out the fourth article storage container when detecting that the third article storage container waiting for warehouse return does not exist in the current transport vehicle, and detecting that an idle container storage position exists in the current transport vehicle and the fourth article storage container waiting for warehouse exit exists in the first picking workstation.
Optionally, the third item storage container retrieval sub-module is further configured to: determining a first channel where the third article storage container is located when the third article storage container is returned to the warehouse; and if the fifth article storage container to be delivered from the first picking workstation in the first channel is detected, controlling the current transport vehicle to deliver the fifth article storage container.
Optionally, the apparatus further comprises:
the reference picking work station determining module is used for determining a reference picking work station corresponding to a target transport vehicle in an idle state from all the picking work stations according to the number of the current idle transport parking spaces corresponding to each picking work station;
a second lane determining module, configured to determine sixth item storage containers addressed to the reference picking workstation, and determine a second lane in which each of the sixth item storage containers is located;
and the seventh article storage container loading module is used for determining a seventh article storage container from each sixth article storage container according to the second channel and the number of the idle container storage positions corresponding to the target transport vehicle, and controlling the target transport vehicle to go to the warehouse to load the seventh article storage container.
The container positioning device provided by the embodiment of the invention can execute the container positioning method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the container positioning method.
It should be noted that, in the embodiment of the container positioning apparatus, the included units and modules are merely divided according to the functional logic, but are not limited to the above division as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
EXAMPLE six
Fig. 6 is a schematic structural diagram of an apparatus according to a sixth embodiment of the present invention. Fig. 6 illustrates a block diagram of an exemplary device 12 suitable for use in implementing embodiments of the present invention. The device 12 shown in fig. 6 is only an example and should not bring any limitations to the functionality and scope of use of the embodiments of the present invention.
As shown in FIG. 6, device 12 is in the form of a general purpose computing device. The components of device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
Bus 18 represents one or more of any of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures. By way of example, such architectures include, but are not limited to, Industry Standard Architecture (ISA) bus, micro-channel architecture (MAC) bus, enhanced ISA bus, Video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus.
Device 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by device 12 and includes both volatile and nonvolatile media, removable and non-removable media.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 6, and commonly referred to as a "hard drive"). Although not shown in FIG. 6, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. System memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in system memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
Device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), with one or more devices that enable a user to interact with device 12, and/or with any devices (e.g., network card, modem, etc.) that enable device 12 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 22. Also, the device 12 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via the network adapter 20. As shown, the network adapter 20 communicates with the other modules of the device 12 via the bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The processing unit 16 executes various functional applications and data processing by executing programs stored in the system memory 28, for example, to implement the steps of a container positioning method provided by the embodiment of the present invention, the method including:
if the current picking workstation receives a first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined;
if it is detected based on the first sorting surplus article information that the first article storage container does not meet the article sorting requirement of the first sorting task, acquiring a second article storage container taking other sorting workstations as a transportation destination, and determining second sorting surplus article information corresponding to the second article storage container; and positioning in the second article storage container based on the second picking residual article information, and determining a target article storage container corresponding to the first picking task so as to convey the target article storage container to the current picking workstation.
Of course, those skilled in the art will appreciate that the processor may also implement the solution of the method for determining the reserved inventory provided by any embodiment of the present invention.
EXAMPLE seven
The present embodiments provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of a method of container positioning as provided in any of the embodiments of the present invention, the method comprising:
if the current picking workstation receives a first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined;
if it is detected based on the first sorting surplus article information that the first article storage container does not meet the article sorting requirement of the first sorting task, acquiring a second article storage container taking other sorting workstations as a transportation destination, and determining second sorting surplus article information corresponding to the second article storage container; and positioning in the second article storage container based on the second picking residual article information, and determining a target article storage container corresponding to the first picking task so as to convey the target article storage container to the current picking workstation.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer-readable storage medium may be, for example but not limited to: an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It will be understood by those skilled in the art that the modules or steps of the invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of computing devices, and optionally they may be implemented by program code executable by a computing device, such that it may be stored in a memory device and executed by a computing device, or it may be separately fabricated into various integrated circuit modules, or it may be fabricated by fabricating a plurality of modules or steps thereof into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (16)

1. A method of positioning a container, comprising:
if the current picking workstation receives a first picking task which is distributed currently, a first article storage container which takes the current picking workstation as a carrying destination is obtained, and first picking residual article information corresponding to the first article storage container is determined;
if it is detected that the first article storage container does not meet the article picking requirement of the first picking task based on the first picking surplus article information, acquiring a second article storage container taking other picking workstations as a transportation destination, and determining second picking surplus article information corresponding to the second article storage container;
and positioning in the second article storage container based on the second picking residual article information, and determining a target article storage container corresponding to the first picking task so as to convey the target article storage container to the current picking workstation.
2. The method of claim 1, wherein determining first pick remaining item information corresponding to the first item storage container comprises:
and determining first picking residual item information corresponding to the first item storage container according to the information of the items to be picked in the second picking task bound to the first item storage container and the information of the stored items in the first item storage container.
3. The method of claim 1, wherein obtaining second item storage containers destined for transport to other picking workstations if it is detected based on the first picking remaining item information that the first item storage container does not meet item picking requirements for the first picking task comprises:
if it is detected that the same target item does not exist in the remaining items in the first picking remaining item information and the items to be picked in the first picking task, or the picking number corresponding to at least one target item in the remaining items and the items to be picked is greater than the corresponding first picking remaining item number, a second item storage container using other picking workstations as a transportation destination is obtained.
4. The method of claim 1, wherein locating in the second item storage container based on the second picking remaining item information, determining a target item storage container for the first picking order comprises:
determining information of the items to be added corresponding to the first picking task according to the information of the items to be picked in the first picking task and the information of the first picking residual items;
and positioning in the second article storage container according to the information of the article to be added and the information of the second picking residual article, and determining a target article storage container corresponding to the first picking task.
5. The method of claim 4, wherein determining item information to be added corresponding to the first picking task according to item information to be picked in the first picking task and the first picking remaining item information comprises:
detecting whether the remaining items in the first picking remaining item information and the items to be picked in the first picking task have the same target items or not;
if yes, updating the quantity of the target to-be-picked items corresponding to the target items based on the quantity of the first to-be-picked remaining items corresponding to the target items, and determining information of the to-be-added items corresponding to the first picking task;
and if not, determining the information of the items to be picked in the first picking task as the information of the items to be added.
6. The method according to claim 4, wherein the step of locating in the second item storage container according to the information of the item to be added and the information of the second picking remaining item to determine a target item storage container corresponding to the first picking task comprises:
determining candidate second article storage containers meeting preset additional conditions according to the information of the articles to be added and the information of the stored articles in each second article storage container;
sorting the candidate second item storage containers to obtain a container sequence;
and determining a target article storage container meeting the picking requirement of the article to be added in the article information to be added according to the stored article information in each candidate second article storage container and the article information to be added on the basis of the container sequence.
7. The method according to claim 6, wherein determining candidate second item storage containers satisfying a preset appending condition according to the information on the item to be appended and the information on the stored items in each of the second item storage containers comprises:
and determining candidate second article storage containers meeting preset adding conditions according to the information of the articles to be added, the information of the articles stored in the second article storage container, the number of the carrying destinations corresponding to the second article storage container and a preset destination threshold.
8. The method of claim 1, wherein retrieving the first item storage container destined for the current picking station if the current picking station receives the currently assigned first picking order comprises:
if at least two target picking workstations simultaneously receive a currently allocated first picking task, determining the number of newly added containers corresponding to each target picking workstation according to a preset container threshold value;
sequencing each target sorting workstation based on the number of the newly-added containers to determine a target workstation sequence;
and sequentially determining each target picking workstation as a current picking workstation based on the target workstation sequence, and acquiring a first article storage container taking the current picking workstation as a carrying destination.
9. The method of claim 1, further comprising:
after the current picking workstation completes a corresponding picking task based on the transported current article storage container, detecting whether other first picking workstations exist in the transportation destination corresponding to the current article storage container except the current picking workstation;
and if so, determining a second picking workstation from the first picking workstation, and controlling the current transport vehicle to transport the current article storage container to the second picking workstation for picking.
10. The method of claim 9, wherein determining a second picking station from the first picking station comprises:
determining the number of idle transportation parking spaces corresponding to each first sorting workstation;
and determining the first sorting work station with the largest number of the idle transportation parking spaces as a second sorting work station.
11. The method of claim 9, wherein determining a second picking station from the first picking station comprises:
when no idle transport parking place exists in each first sorting workstation, if detecting that a third article storage container to be returned to the warehouse exists in the current transport vehicle, controlling the current transport vehicle to return the third article storage container to the warehouse;
if it is detected that a third article storage container to be returned to the warehouse does not exist in the current transport vehicle, when it is detected that an idle container storage position exists in the current transport vehicle and a fourth article storage container to be discharged from the warehouse exists in the first picking workstation, the current transport vehicle is controlled to go to the warehouse to take out the fourth article storage container.
12. The method of claim 11, wherein controlling the current transport vehicle to move the third item storage container back into the warehouse comprises:
determining a first channel where the third article storage container is located when being returned to the warehouse;
and if the fifth article storage container to be delivered from the first picking workstation in the first channel is detected to exist, controlling the current transport vehicle to take out the fifth article storage container.
13. The method according to any one of claims 1-12, further comprising:
determining a reference picking work station corresponding to a target transport vehicle in an idle state from all the picking work stations according to the number of current idle transport parking spaces corresponding to each picking work station;
determining each sixth article storage container with the reference picking workstation as a conveying destination, and determining a second channel where each sixth article storage container is located;
and determining seventh article storage containers from the sixth article storage containers according to the second channel and the number of idle container storage positions corresponding to the target transport vehicle, and controlling the target transport vehicle to go to a warehouse to load the seventh article storage containers.
14. A container positioning device, comprising:
a first picking remaining item information determining module, configured to, if a current picking workstation receives a currently assigned first picking task, acquire a first item storage container that takes the current picking workstation as a transportation destination, and determine first picking remaining item information corresponding to the first item storage container;
a second picking surplus item information determining module, configured to, if it is detected based on the first picking surplus item information that the first item storage container does not meet an item picking requirement of the first picking task, obtain a second item storage container destined to another picking workstation as a transportation destination, and determine second picking surplus item information corresponding to the second item storage container;
and the target item storage container determining module is used for positioning in the second item storage container based on the second picking residual item information, determining a target item storage container corresponding to the first picking task, and conveying the target item storage container to the current picking workstation.
15. An apparatus, characterized in that the apparatus comprises:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the container positioning method of any one of claims 1-13.
16. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method for locating a container according to any one of claims 1 to 13.
CN202010437069.6A 2020-05-21 2020-05-21 Container positioning method, device, equipment and storage medium Pending CN111738492A (en)

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