KR20220089257A - Method and system for managing logistics - Google Patents

Abstract

In order to manage the logistics within a preset area, the logistics management system acquires product information about the product through a photographing device, obtains the location information of the product through an ultra-wide band (UWB) sensor, and , calibrate in real time, generate a movement route within a preset area based on the location information and article information of the article calibrated by the UWB sensor, and transport the article within the preset area according to the movement route through a smart cart do.

Description

Logistics management method and system

The following embodiments relate to a system for managing logistics, and more particularly, to a system for efficient logistics management in a logistics center.

Recently, product delivery is increasing due to the growth of the non-face-to-face industry, especially the online shopping industry, and the importance of the logistics management system of the logistics center, which is the core of the delivery of goods, is expanding.

As a related prior art, there is Korean Patent Publication No. 10-1095705 (Title of Invention: Broadband Electronic Logistics System and Method Using RFID Tag, Applicant: CJ GS Co., Ltd.). The registered patent publication discloses a broadband electronic distribution system using an RFID tag. Specifically, the prior art logistics system is attached to one side of a predetermined product, its packaging member, and a transport means, and a storage element in which predetermined unit information for distribution management is stored: and an antenna for transmitting and receiving the unit information by wireless transmission and reception : A plurality of RFID tags equipped with; a tag detector that detects the unit information from the RFID tag attached to the predetermined product, the packaging member, and the transport means, and detects base and transport information of the RFID tag using a GPS satellite; Order information for the product, RFID tag tag information including the unit information, transport and delivery information for the product to which the RFID tag is attached, its packaging member and transport means, forwarding information, and storage information in a warehouse A plurality of vendor-side servers for transmitting and receiving over the Internet; and using the information transmitted from the company server and the transfer information of the RFID tag received from the tag detector to monitor the base and transfer of the product, its packaging member, and transfer means in real time, thereby placing an order and It includes a broadband electronic logistics server that monitors the overall logistics progress from order receipt to transfer, transportation, and storage with an electronic product coding system.

An automated fulfillment system using automated guided vehicles (AGV) is used for logistics movement and management in very large logistics centers. However, in the case of an AGV system, a new display stand must be introduced and arranged, and it takes a lot of time and money to build a system to use the AGV system.

An embodiment may provide a system and method for managing logistics by correcting the real-time location of goods in a logistics center and generating an optimal movement route.

However, the technical tasks are not limited to the above-described technical tasks, and other technical tasks may exist.

A logistics management system according to an aspect includes: a photographing device for acquiring product information about the product; an ultra-wideband (UWB) sensor that acquires the location information of the article and corrects it in real time; a movement path generating device for generating a movement route within a preset area based on the location information of the article corrected by the UWB sensor and the article information; and a smart cart for transporting the goods within the preset area according to the movement path.

The system may further include a database for storing the movement route and the article information in association with each other.

The photographing device may acquire the article information by recognizing at least one of a QR code and a barcode of the article.

The UWB sensor may process the location information of the article based on a Time Difference of Arrival (TDoA) or Time of Arrival (ToA) method.

The smart cart may include a smart pad that displays the item information and the moving route.

The article information may include sorting suit information and display shelf information.

The moving path generating apparatus may generate a moving path based on the display shelf information, the sorting suit information, and the location information of the article corrected by the UWB sensor.

A logistics management method performed by a logistics management system according to another aspect includes: acquiring article information about an article through a photographing device; obtaining the position information of the article through an ultra-wide band (UWB) sensor, and correcting it in real time; generating a movement route within a preset area based on the location information and the article information of the article corrected by the UWB sensor; and transporting the goods within the preset area according to the movement route through a smart cart.

The method may further include storing the movement route and the article information in association with the database.

The acquiring of the article information through the photographing device may include acquiring the article information by recognizing at least one of a QR code and a barcode of the article.

Acquiring the location information of the article through an ultra-wide band (UWB) sensor and correcting the location information in real time may be based on a Time Difference of Arrival (TDoA) or Time of Arrival (ToA) method.

The smart cart may include a smart pad that displays the item information and the moving route.

The article information may include sorting suit information and display shelf information.

The step of generating a movement route within a preset area based on the location information and the article information of the article corrected by the UWB sensor includes the display shelf information, the sorting suit information, and the UWB sensor corrected It may include generating a movement route based on the location information of the article.

A system according to an embodiment may provide an efficient logistics management method.

It is possible to provide a system and method for transporting goods according to a movement path generated based on product information and real-time product location information, and for storing the product information and the movement path in association with each other.

1 illustrates a distribution center to which a distribution management system according to an example is introduced.
2 is a configuration diagram of a logistics management system according to an embodiment.
3 is a block diagram of an apparatus for generating a moving path according to an exemplary embodiment.
4 is a flowchart of a logistics management method according to an embodiment.

Specific structural or functional descriptions of the embodiments are disclosed for purposes of illustration only, and may be changed and implemented in various forms. Accordingly, the actual implementation form is not limited to the specific embodiments disclosed, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit described in the embodiments.

Although terms such as first or second may be used to describe various elements, these terms should be interpreted only for the purpose of distinguishing one element from another. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected to” another component, it may be directly connected or connected to the other component, but it should be understood that another component may exist in between.

The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate that the described feature, number, step, operation, component, part, or combination thereof exists, and includes one or more other features or numbers, It should be understood that the possibility of the presence or addition of steps, operations, components, parts or combinations thereof is not precluded in advance.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. does not

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. In the description with reference to the accompanying drawings, the same components are assigned the same reference numerals regardless of the reference numerals, and overlapping descriptions thereof will be omitted.

<Logistics Management System>

1 illustrates a distribution center to which a distribution management system according to an example is introduced.

Referring to FIG. 1 , a distribution center 100 to which a distribution management system according to an embodiment is introduced is shown. The photographing device 120 of the distribution center 100 may acquire article information of the article 117 received from the outside 110 . According to one aspect, the photographing apparatus 120 may acquire article information or image information by photographing the article 117 being transported on the conveyor belt 113 . The article information may include information about the display stand 130 on which the article is to be placed and information about the sorting chute 170 . The product information may further include product name and product inventory information. Although the display stand 130 and the sorting chute 170 are shown in the same shape in FIG. 1 , the display stand 130 is to store the items 117 from the outside without distinction, and the sorting chute 170 stores the items 117 . It may be classified and stored according to the delivery address information and storage method. The photographing device 120 may acquire article information by recognizing at least one of a QR code and a barcode attached to the article 117 . The photographing device 120 may be a camera, an infrared (IR) camera, a QR code reader, and a barcode reader, but is not limited to the described embodiment.

UWB (ultra-wideband) sensor may be installed on one side of the distribution center 100 (143) may be installed on the ceiling (147). A UWB sensor is a sensor that uses a wireless communication with a bandwidth of 500Mhz or more or a specific bandwidth of 20% or more, and has a high resolution because it uses a wide bandwidth. UWB wireless communication technology uses extremely short pulses (several ns or several ps) to evenly distribute low spectral power over a wide band, so it can be used while sharing a frequency with existing narrowband communication without mutual interference. In the case of a global positioning system (GPS), the accuracy of location measurement indoors is low, but a sensor using UWB can distinguish up to a distance of several centimeters for indoor positioning. The UWB sensors 143 and 147 may acquire location information of an article based on a Time Difference of Arrival (TDoA) or a Time of Arrival (ToA) and correct the location information in real time. The TDoA method is a method of measuring a distance based on a difference in time at which radio waves are transmitted, and the ToA method is a method of measuring a distance based on a time at which radio waves are transmitted.

The movement path generating device 150 may be a server, and communicates with the terminal 167 of the photographing device 120 , the UWB sensors 143 and 147 , the smart cart 160 , and the distribution center user 163 through a network. can The terminal 167 may be an electronic device capable of communication, such as a smart phone, a tablet, or a notebook computer. The movement path generating device 150 is configured in advance based on the display shelf 130 information, the sorting chute 170 information, and the real-time location information of the article corrected by the UWB sensors 143 and 147 obtained by the photographing device 120 . It is possible to create a movement path of an article within a set area.

The moving route may include departure point information, destination information, and information on a route from the starting point to the destination. Departure information and destination information may be determined based on real-time location information of the article, display stand 130 information, and sorting suit information 170 . According to one aspect, the movement path generating apparatus 150 may generate a movement path of an article in the distribution center 100 . According to one aspect, the movement path generating device 150 uses the real-time location information of the goods obtained by the UWB sensors 143 and 147 to sort the chute 170 from the display stand 130 when the item is on the display stand 130 . You can create a movement path for the goods to The movement path generating device 150 according to another aspect uses the real-time location information of the goods acquired by the UWB sensors 143 and 147, when the goods are on the conveyor belt 113, from the conveyor belt 113 to the display stand ( 130) or a movement path of the article to the sorting chute 170 may be created. According to another aspect, the movement path generating device 150 is a location where an article is located at any location in the distribution center 100 other than the conveyor belt 113 , the display stand 130 , and the sorting chute 170 . It is possible to create a movement path of the article from to the sorting chute (170).

The movement path of the goods from the origin to the destination may be generated based on various types of algorithms, and a single algorithm may be used or a plurality of algorithms may be overlapped. According to an aspect, the moving-path generating apparatus 150 may determine a path that is the shortest distance as the moving path based on the distance from the starting point to the destination. According to another aspect, the movement path generating apparatus 150 may store the paths each created for a plurality of articles, and may determine a path that does not overlap with the movement paths of other articles that have already been created as the movement path.

The movement path generating device 150 may transmit the movement path of the created product to the smart cart 160 or the terminal 167 of the distribution center user 163 . According to one aspect, the movement path generating apparatus 150 may store the transportation schedule information of each smart cart 160 and transmit the movement route of the goods to the smart cart with the smallest schedule in consideration of the transportation schedule. According to another aspect, the movement path generating device 150 considers the transportation schedule information of the smart cart, and when all smart carts have transportation schedules at the time of completion of the movement of the goods, the smart cart 160 as well as the logistics center user It is possible to transmit the movement path of the article to the terminal 167 of 163 . The moving path generating apparatus 150 may store the moving path and article information in a database in association with each other. For example, the database may be included in the movement path generating apparatus 150, but is not limited to the described embodiment. As another example, the database may be included in a server physically separate from the moving path generating device 150 .

The smart cart 160 receives a movement route for the article 118 from the movement route generating device 150 and transports the article 118 according to the movement route within the distribution center 100 . Smart cart 160 may pick-up items 118 , load items 118 and move them elsewhere, recognize that they have arrived at their destination, and unload items 118 . have. The smart cart 160 may obtain the departure point information and the destination information from the movement route information, move to the departure location, collect the article 118 , and transport the article 118 to the destination according to the movement route. The smart cart 160 may include a smart pad that displays item information and a movement route of the item 118 currently being transported.

The goods transported by the sorting chute 170 may be transported to a delivery place or destination via the vehicle 180 .

Hereinafter, a logistics management system and a logistics management method will be described in detail with reference to FIGS. 2 to 4 .

2 is a configuration diagram of a logistics management system according to an embodiment.

The logistics management system 200 includes a photographing device 210 , a UWB sensor 220 , a movement path generating device 230 , and a database 240 .

The photographing device 210 may acquire product information by photographing products entering the distribution center. The photographing apparatus 210 according to an aspect may acquire image information by photographing an article. The photographing apparatus 210 may be the photographing apparatus 120 of FIG. 1 . The article information may include information about a display rack to put the article on and information about a sorting suit. The product information may further include product name and product inventory information. The display stand is for storing items that come in from the outside, and the sorting chute may be to classify and store the items according to delivery address information and storage method. The photographing device 210 may acquire product information by recognizing at least one of a QR code and a barcode attached to the product. The photographing device 210 may be a camera, an infrared (IR) camera, a QR code reader, and a barcode reader, but is not limited to the described embodiment.

The UWB sensor 220 may acquire location information of an article and correct it in real time. The UWB sensor 220 may be the UWB sensors 143 and 147 of FIG. 1 . The UWB sensor 220 may obtain location information of an article based on a Time Difference of Arrival (TDoA) or a Time of Arrival (ToA) and correct the location information in real time.

The movement path generating device 230 generates a movement path of the article within a preset area based on the location information and the article information corrected by the UWB sensor 220 . The moving-path generating apparatus 230 may be the moving-path generating apparatus 150 of FIG. 1 . The movement path generating device 230 may be a server, and may communicate with the photographing device 210 , the UWB sensor 220 , and the smart cart 240 through a network. The movement path generating device 230 uses the display shelf information, the sorting suit information, and the real-time location information of the article corrected by the UWB sensor 220 obtained by the photographing device 210 to move the article within a preset area. You can create a route.

The moving route may include departure point information, destination information, and information on a route from the starting point to the destination. Departure information and destination information may be determined based on real-time location information of the article, shelf information, and sorting suit information. The movement path generating apparatus 230 according to an aspect may generate a movement path of an article in a distribution center.

The moving path generating device 230 may transmit the generated path to the smart cart 240 . The movement path generating apparatus 230 according to an aspect may store transportation schedule information of each smart cart 240 and transmit the movement path of the goods to the smart cart with the smallest schedule in consideration of the transportation schedule. The moving path generating device 230 according to another aspect considers the transport schedule information of the smart cart 240 and when all smart carts have transport schedules at the time of completion of generating the moving path of the goods, the smart cart 240 as well as logistics It is possible to transmit the movement path of the goods to the terminal of the center user.

The smart cart 240 transports goods within a preset area according to the moving path generated by the moving path generating device 230 . The smart cart 240 may be the smart cart 160 of FIG. 1 . The smart cart 240 receives a movement route for the goods from the movement route generating device 230 and transports the goods according to the movement route in the distribution center. The smart cart 240 may obtain the departure point information and the destination information from the movement route information, move to the departure location, collect the goods, and transport the goods to the destination according to the movement route. The smart cart 240 may include a smart pad that displays item information and a movement route of items currently being transported.

The database 250 may store the moving path generated by the moving path generating device 230 in association with product information. For example, the database 250 may be included in the movement path generating device 230 , but is not limited to the described embodiment. As another example, the database may be included in a server physically separate from the moving path generating device 230 .

An operating method of the movement path generating device 230 and the logistics management system 200 will be described in detail below with reference to FIGS. 3 to 4 .

3 is a block diagram of an apparatus for generating a moving path according to an exemplary embodiment.

The moving path generating apparatus 300 includes a communication unit 310 , a processor 320 , and a memory 330 . According to one aspect, the moving-path generating apparatus 300 may be the moving-path generating apparatus 150 of FIG. 1 . According to another aspect, the moving path generating device 300 may be the moving path generating device 230 of the logistics management system 200 of FIG. 2 .

The communication unit 310 is connected to the processor 320 and the memory 330 to transmit and receive data through a network. The communication unit 310 may be connected to another external device to transmit/receive data. Hereinafter, the expression "transmitting and receiving "A" may indicate transmitting and receiving "information or data representing A".

A network refers to a connection structure in which information can be exchanged between each node, such as terminals and servers, and includes a local area network (LAN), a wide area network (WAN), and the Internet (WWW: World). Wide Web), a wired/wireless data communication network, a telephone network, a wired/wireless television communication network, and the like. Wireless data communication networks include 3G, 4G, 5G, 3rd Generation Partnership Project (3GPP), Long Term Evolution (LTE), World Interoperability for Microwave Access (WIMAX), Wi-Fi, Bluetooth communication, infrared communication, ultrasonic communication, Visible Light Communication (VLC), LiFi, etc. are included, but are not limited thereto.

The communication unit 310 may be implemented as circuitry in the electronic device 300 . For example, the communication unit 310 may include an internal bus and an external bus. As another example, the communication unit 310 may be an element that connects the movement path generating device 300 and an external device. The communication unit 310 may be an interface. The communication unit 310 may receive data from an external device and transmit the data to the processor 320 and the memory 330 .

The processor 320 processes data received by the communication unit 310 and data stored in the memory 330 . A “processor” may be a data processing device implemented in hardware having circuitry having a physical structure for performing desired operations. For example, desired operations may include code or instructions included in a program. For example, a data processing device implemented as hardware includes a microprocessor, a central processing unit, a processor core, a multi-core processor, and a multiprocessor. , an Application-Specific Integrated Circuit (ASIC), and a Field Programmable Gate Array (FPGA).

Processor 320 executes computer readable code (eg, software) stored in memory (eg, memory 330 ) and instructions issued by processor 320 .

The memory 330 stores data received by the communication unit 310 and data processed by the processor 320 . For example, the memory 330 may store a program (or an application, software). The stored program may be a set of syntaxes that are coded so as to generate a movement path of an article and are executable by the processor 320 .

According to one aspect, memory 330 may include one or more of volatile memory, non-volatile memory and random access memory (RAM), flash memory, hard disk drive, and optical disk drive.

The memory 330 stores an instruction set (eg, software) for operating the movement path generating device 300 . The instruction set for operating the movement path generating device 300 is executed by the processor 320 .

Communication unit 310 photographing device (eg, photographing device 120 of FIG. 1), UWB sensor (eg, UWB sensors 143 and 147 of FIG. 1), smart cart (eg, smart cart 160 of FIG. 1) can communicate with The processor 320 is configured to display information on the display rack (eg, the display shelf 130 of FIG. 1 ) obtained by the photographing device, information on the classification chute (eg, the classification chute 170 in FIG. 1 ) information, and real-time of the goods corrected by the UWB sensor. A movement path of an article within a preset area may be generated using the location information. The processor 320 according to an aspect may generate a movement path of an article within a distribution center. The processor 320 according to an aspect may generate a path from the shelf to the sorting chute when the product is on the shelf through real-time location information of the product acquired by the UWB sensor. The processor 320 according to another aspect is configured from the conveyor belt to the shelf or sorting chute when the article is on a conveyor belt (eg, the conveyor belt 113 in FIG. 1 ) through real-time location information of the article acquired by the UWB sensor. path can be created. According to another aspect, the processor 320 may generate a path from the location to the sorting chute when the article is at any location in the distribution center other than the conveyor belt, the display rack, and the sorting chute.

According to an aspect, the processor 320 may determine a path that is the shortest distance as the moving path based on the distance from the origin to the destination. According to another aspect, the processor 320 may store the paths respectively generated for the plurality of items in the memory 330, and may determine a path that does not overlap with the movement paths of other items that have already been created as the moving path. .

The communication unit 310 may transmit the route generated by the processor 320 to the smart cart (eg, the smart cart 160 of FIG. 1 ). The processor 320 according to one aspect may store the transport schedule information of each smart cart in the memory 330, and transmit the movement path of the goods through the communication unit 310 to the smart cart with the smallest schedule in consideration of the transport schedule. can The processor 320 according to another aspect considers the transport schedule information of the smart cart, and when all smart carts have transport schedules at the time of completing the creation of the moving path of the goods, the moving path of the goods to the terminal of the user of the distribution center as well as the smart cart. can be transmitted. The processor 320 according to an aspect may store the movement path and the article information in association with the memory 330 (eg, the database 250 of FIG. 2 ), but is not limited to the described embodiment. As another example, the processor 320 may store the moving path and the article information in a database (eg, the database 250 of FIG. 2 ) included in a server physically separate from the moving path generating apparatus 300 .

<Logistics management method>

4 is a flowchart of a logistics management method according to an embodiment.

The following steps 410 to 490 are performed by the logistics management system 200 described above with reference to FIG. 2 .

In step 410 , item information is acquired through a photographing device (eg, the photographing device 210 of FIG. 2 ). The photographing device may acquire product information by recognizing at least one of a QR code and a barcode attached to an item entering a distribution center to which the system (eg, the system 200 of FIG. 2 ) is applied. A photographing apparatus according to an aspect may acquire image information by photographing an article. The article information may include information on a shelf to put the article on and information on a sorting suit, and may further include product name and article inventory information. The display stand is for storing items that come in from the outside, and the sorting chute may be to classify and store the items according to delivery address information and storage method. The photographing device may be a camera, an infrared (IR) camera, a QR code reader, and a barcode reader, but is not limited to the described embodiment.

In step 430 , item location information is acquired through a UWB sensor (eg, the UWB sensor 220 of FIG. 2 ) and corrected in real time. The UWB sensor may be the UWB sensors 143 and 147 of FIG. 1 , and may obtain location information of an article based on a Time Difference of Arrival (TDoA) or Time of Arrival (ToA) and correct the location information in real time.

In operation 450 , a movement path is generated based on the location information of the article and the article information through the movement route generating device (eg, the movement route generating device 230 of FIG. 2 ). The moving-path generating apparatus may be the moving-path generating apparatus 150 of FIG. 1 . The location information of the article may be generated through a UWB sensor (eg, 220 in FIG. 2 ) and corrected in real time. The article information may be acquired by a photographing device (eg, 210 in FIG. 2 ). The movement path generating device uses the display shelf information, sorting chute information, and real-time location information of the article corrected by the UWB sensor 220 obtained by the photographing device to generate a preset area, for example, the system 200 of FIG. 2 . It is possible to create a movement path of the goods within the applied distribution center. The moving route may include departure point information, destination information, and information on a route from the starting point to the destination, and the departure and destination information may be determined based on real-time location information, shelf information, and sorting suit information of the article.

The moving path generating device may transmit the generated path to a smart cart (eg, the smart cart 240 of FIG. 2 ). The apparatus for generating a movement route according to an aspect may store transportation schedule information of each smart cart, and transmit the movement route of an article to the smart cart with the smallest schedule in consideration of the transportation schedule. The movement path generating apparatus according to another aspect considers the transportation schedule information of the smart cart, and when all smart carts have transportation schedules at the time of completion of the movement of the goods, the movement route of goods to the terminal of the user of the distribution center as well as the smart cart can be transmitted.

In step 470 , the smart cart (eg, the smart cart 240 of FIG. 2 ) is located within a preset area according to the movement path generated by the movement path generating device (eg, the movement path generation device 230 of FIG. 2 ). transport goods from The smart cart may be the smart cart 160 of FIG. 1 . The smart cart receives the movement route for the goods from the movement route generating device and transports the goods according to the movement route within the distribution center. The smart cart may obtain departure information and destination information from the movement route information, move to the departure location, collect the goods, and transport the goods to the destination according to the movement route. The smart cart may include a smart pad that displays item information and a movement route of an item currently being transported.

In step 490 , the database (eg, the database 250 of FIG. 2 ) may store the moving path generated by the moving path generating apparatus in association with the article information. The database may be included in the moving-path generating device (eg, the moving-path generating device 230 of FIG. 2 ), but is not limited to the described embodiment. As another example, the database may be included in a server physically separate from the moving path generating device.

The embodiments described above may be implemented by a hardware component, a software component, and/or a combination of a hardware component and a software component. For example, the apparatus, methods, and components described in the embodiments may include, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable gate (FPGA) array), a programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions, may be implemented using a general purpose computer or special purpose computer. The processing device may execute an operating system (OS) and a software application running on the operating system. A processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For convenience of understanding, although one processing device is sometimes described as being used, one of ordinary skill in the art will recognize that the processing device includes a plurality of processing elements and/or a plurality of types of processing elements. It can be seen that can include For example, the processing device may include a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as parallel processors.

Software may comprise a computer program, code, instructions, or a combination of one or more thereof, which configures a processing device to operate as desired or is independently or collectively processed You can command the device. The software and/or data may be any kind of machine, component, physical device, virtual equipment, computer storage medium or apparatus, to be interpreted by or to provide instructions or data to the processing device. , or may be permanently or temporarily embody in a transmitted signal wave. The software may be distributed over networked computer systems and stored or executed in a distributed manner. Software and data may be stored in a computer-readable recording medium.

The method according to the embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer-readable medium. The computer readable medium may store program instructions, data files, data structures, etc. alone or in combination, and the program instructions recorded on the medium may be specially designed and configured for the embodiment, or may be known and available to those skilled in the art of computer software. have. Examples of the computer-readable recording medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic such as floppy disks. - includes magneto-optical media, and hardware devices specially configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like.

The hardware devices described above may be configured to operate as one or a plurality of software modules to perform the operations of the embodiments, and vice versa.

As described above, although the embodiments have been described with reference to the limited drawings, those of ordinary skill in the art may apply various technical modifications and variations based thereon. For example, the described techniques are performed in an order different from the described method, and/or the described components of the system, structure, apparatus, circuit, etc. are combined or combined in a different form than the described method, or other components Or substituted or substituted by equivalents may achieve an appropriate result.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (15)

In the logistics management system,
a photographing device for obtaining article information about the article;
an ultra-wideband (UWB) sensor that acquires the location information of the article and corrects it in real time;
a movement path generating device for generating a movement route within a preset area based on the location information of the article corrected by the UWB sensor and the article information; and
A smart cart that transports the goods within the preset area according to the movement route
containing,
Logistics management system.
According to claim 1,
A database that stores the movement route and the article information in conjunction with each other
further comprising,
Logistics management system.
According to claim 1,
The photographing device is
Obtaining the product information by recognizing at least one of a QR code and a barcode of the product,
Logistics management system.
According to claim 1,
The UWB sensor is
To process the location information of the article based on a TDoA (Time Difference of Arrival) or ToA (Time of Arrival) method,
Logistics management system.
The method of claim 1,
The smart cart is
Including a smart pad for displaying the item information and the movement route,
Logistics management system.
According to claim 1,
The product information is
including sorting suit information and shelf information;
Logistics management system.
7. The method of claim 6,
The movement path generating device,
generating a movement path based on the shelf information, the sorting chute information, and the position information of the article corrected by the UWB sensor,
Logistics management system.
In the logistics management method performed by the logistics management system,
acquiring article information about the article through a photographing device;
obtaining the position information of the article through an ultra-wide band (UWB) sensor, and correcting it in real time;
generating a movement route within a preset area based on the location information and the article information of the article corrected by the UWB sensor; and
transporting the goods within the preset area according to the movement route through a smart cart;
containing,
Logistics management method.
9. The method of claim 8,
Storing the moving route and the article information in conjunction with each other in a database
further comprising,
Logistics management method.
9. The method of claim 8,
The step of obtaining product information through the photographing device includes:
Acquiring the article information by recognizing at least one of a QR code and a barcode of the article
containing,
Logistics management method.
9. The method of claim 8,
Acquiring the location information of the article through an ultra-wide band (UWB) sensor and correcting in real time comprises:
Based on TDoA (Time Difference of Arrival) or ToA (Time of Arrival) scheme,
Logistics management method.
9. The method of claim 8,
The smart cart is
Including a smart pad for displaying the item information and the movement route,
Logistics management method.
9. The method of claim 8,
The product information is
including sorting suit information and shelf information;
Logistics management method.
14. The method of claim 13,
The step of generating a movement path within a preset area based on the location information and the article information of the article corrected by the UWB sensor comprises:
generating a movement path based on the shelf information, the sorting chute information, and the position information of the article corrected by the UWB sensor
containing,
Logistics management method.
A computer program stored in a computer-readable recording medium in combination with hardware to execute the method of any one of claims 8 to 14.

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