WO2022190461A1 - 荷物搬送システムおよび搬送体 - Google Patents
荷物搬送システムおよび搬送体 Download PDFInfo
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- WO2022190461A1 WO2022190461A1 PCT/JP2021/042151 JP2021042151W WO2022190461A1 WO 2022190461 A1 WO2022190461 A1 WO 2022190461A1 JP 2021042151 W JP2021042151 W JP 2021042151W WO 2022190461 A1 WO2022190461 A1 WO 2022190461A1
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- carrier
- size
- transport
- conveying
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- 238000005259 measurement Methods 0.000 claims description 73
- 238000004891 communication Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 13
- 239000000969 carrier Substances 0.000 claims description 7
- 230000032258 transport Effects 0.000 description 182
- 238000010586 diagram Methods 0.000 description 20
- 230000001133 acceleration Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0287—Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling
- G05D1/0291—Fleet control
- G05D1/0297—Fleet control by controlling means in a control room
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/206—Instruments for performing navigational calculations specially adapted for indoor navigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0214—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory in accordance with safety or protection criteria, e.g. avoiding hazardous areas
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0287—Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling
- G05D1/0289—Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling with means for avoiding collisions between vehicles
Definitions
- the present disclosure relates to a package transport system including a carrier for transporting packages, and the carrier.
- Patent Document 1 discloses a transport body that uses a sensor mounted on itself to measure the load loaded on itself and creates its own travel plan.
- Patent Literature 1 also discloses a carrier that measures the loads loaded on itself using a sensor installed in the travel route and creates a travel plan for itself.
- the size of the luggage may not be measured accurately. If the size of the cargo cannot be measured accurately, there arises a problem that the conveying body cannot properly travel along the traveling route.
- an object of the present disclosure is to provide a baggage conveying system or the like in which a carrier that conveys baggage can appropriately travel along a travel route.
- a load transport system is a load transport system including a plurality of transport bodies for transporting loads, wherein the plurality of transport bodies includes a first transport body and a second transport body, and the The second conveying body measures the size of the first conveying body and outputs size information about the size to the outside, and the first conveying body acquires the size information and based on the size information to create a travel plan for the first carrier.
- a transport body is a transport body that transports packages, and acquires size information about its own size via a communication unit that communicates with another transport body that is different from itself, and the communication unit. , and a control unit that creates its own travel plan based on the size information.
- a transport body is a transport body that transports a package, and includes a measurement unit that measures the size of another transport body different from itself, and size information about the size measured by the measurement unit. and a communication unit for outputting to be acquired by another carrier.
- the carrier that conveys the baggage can appropriately travel along the travel route.
- FIG. 4 is a schematic diagram of a carrier of Comparative Example 1.
- FIG. FIG. 11 is a schematic diagram of a carrier of Comparative Example 2;
- 1 is a schematic diagram of a conveying body according to an embodiment;
- FIG. 1 is a diagram schematically showing a parcel transport system according to an embodiment;
- FIG. 1 is a block configuration diagram of a package conveying system according to an embodiment;
- FIG. It is a figure which shows an example of the information memorize
- FIG. 10 is a diagram showing an example of the operation when the conveying body according to the embodiment travels on a narrow road;
- FIG. 10 is a diagram showing an example of an operation when a plurality of conveying bodies pass each other according to the embodiment;
- 6 is a flow chart showing the operation when the carrier travels on a narrow road in the baggage carrier system according to the embodiment.
- 6 is a flow chart showing the operation when a plurality of conveying bodies pass each other in the baggage conveying system according to the embodiment.
- FIG. 1 Background leading up to this disclosure
- FIG. 1 Background leading up to this disclosure
- the information on the size of the carrier includes not only the size of the single carrier but also the size of the loaded cargo. For example, if the load is stacked in the width direction of the conveying body, size information including the load is required.
- a travel plan for the carrier is created based on size information including the cargo.
- FIG. 1 is a schematic diagram of a carrier 110 of Comparative Example 1.
- the conveying body 110 of Comparative Example 1 measures the load 60 loaded on itself using the sensor 111 mounted on itself. For example, if a large vibration or sudden acceleration/deceleration occurs while the carrier 110 is traveling, the positions of the plurality of packages 60 on the carrier 110 may shift. In the method of measuring the size of the carrier 110 using the sensor 111 mounted on itself as in Comparative Example 1, blind spots are likely to occur in the detection area of the sensor 111, and the size of the carrier 110 including the package 60 cannot be accurately determined. There is a problem that it is not possible to measure
- FIG. 2 is a schematic diagram of the carrier 110 of Comparative Example 2.
- the carrier 110 of Comparative Example 2 measures the load 60 loaded on itself using a fixed sensor 111z installed on the wall or ceiling.
- a fixed sensor 111z installed on the wall or ceiling.
- the transport body 110 to be measured There is a problem that the size of is not accurately measured.
- FIG. 3 is a schematic diagram of carriers 10a and 10b according to the embodiment.
- the size of the conveying body 10a is measured using the measuring section 11 of the conveying body 10b different from the self. Then, based on the measurement results, the baggage transport system 1 creates a travel plan for the transport body 10a. As a result, the conveying body 10a can appropriately travel along the travel route.
- each figure is a schematic diagram and is not necessarily strictly illustrated.
- symbol is attached
- FIG. 4 is a diagram schematically showing the parcel transport system 1 according to the embodiment.
- FIG. 4 shows a view of the package transport system 1 from the ceiling side of the building 50. As shown in FIG.
- the parcel transport system 1 includes a plurality of transport bodies 10 that transport parcels and a management device 30 that manages the transport bodies 10 .
- the parcel transport system 1 is installed in a building 50 such as a warehouse or factory, for example.
- a building 50 is a space surrounded by walls or partitions.
- Equipment, shelves, and the like are arranged on the floor of the building 50, and a travel path 51 for traveling the carrier 10 is provided between the equipment and the shelves.
- a plurality of transport bodies 10 move on the traveling path 51 .
- the number of carriers 10 may be two or more, or may be fifty or more.
- the management device 30 is provided in the building 50 in FIG. 4, it is not limited to this. For example, if the wireless controller connected to the management device 30 is installed inside the building 50 , the management device 30 may be installed outside the building 50 .
- FIG. 5 is a block configuration diagram of the parcel transport system 1.
- a first transport body 10a which is a predetermined transport body among the plurality of transport bodies 10
- a second transport body 10b which is another transport body different from the predetermined transport body, are representative. shown as an example.
- the transport body 10 when the transport body 10 is described, it refers to both or one of the first transport body 10a and the second transport body 10b.
- the parcel transport system 1 includes the transport body 10 and the management device 30.
- the management device 30 is a management server that manages the carrier 10 .
- the management device 30 includes a communication section 33 , a control section 35 and a storage section 36 .
- the communication unit 33 is, for example, a wireless module, and communicates with the carrier 10 wirelessly r1.
- the management device 30 exchanges various information with the carrier 10 by radio r1.
- a communication method by wireless r1 a method such as specified low-power radio using a frequency of 920 MHz band or 2.4 GHz band, Zigbee (registered trademark), Bluetooth (registered trademark), or WiFi (registered trademark) is used. .
- the storage unit 36 is, for example, a volatile memory and a non-volatile memory.
- the storage unit 36 stores a program for operating the parcel transport system 1 .
- the storage unit 36 stores various kinds of information for managing the carrier 10 .
- FIG. 6 is a diagram showing an example of information stored in the management device 30 of the parcel transport system 1. As shown in FIG.
- the storage unit 36 of the management device 30 stores identification information (identifier: Identifier) of each carrier 10, identification information of the package 60, size information is about the size of each carrier 10, each carrier 10, position information ip of each carrier 10, and map information (layout information) of the building 50 are stored.
- the identification information of the carrier 10 may be, for example, a MAC address (Media Access Control address) or an address for communication.
- Weight information iw may include the weight of carrier 10 , the weight of package 60 , and the total weight of carrier 10 and package 60 .
- the above identification information, size information is, weight information iw, and map information are input in advance by the user who uses the package transport system 1 .
- the position information ip is appropriately stored in the storage unit 36 by acquiring the position coordinates of the carrier 10 transmitted from the carrier 10 via the communication unit 33 .
- the storage unit 36 stores information about the travel plan P of each carrier 10 .
- the travel plan P includes the position of each carrier 10, travel route 51, trajectory, speed, acceleration, schedule, and the like.
- the position, velocity, and acceleration of the carrier 10 include information on the width direction and traveling direction of the carrier 10 .
- the travel plan P is created by the control unit 35 of the management device 30 and stored in the storage unit 36 .
- the travel plan P may include the aforementioned identification information, size information is, weight information iw, position information ip, and the like.
- the control unit 35 is, for example, a processor such as a CPU (Central Processing Unit).
- the control unit 35 uses various information stored in the storage unit 36 to create a travel plan P for the carrier 10 . Also, the control unit 35 exchanges the following information with the first carrier 10a and the second carrier 10b via the communication unit 33 .
- control unit 35 when the control unit 35 receives a measurement request signal s1 requesting measurement of the size of the first transport body 10a from the first transport body 10a, the control unit 35 sends a movement instruction signal s2 to the second transport body 10b. to send.
- the measurement request signal s1 is transmitted from the first carrier 10a to the management device 30, for example, when the passage width 52 of the travel route 51 of the first carrier 10a is narrower than a predetermined width.
- the movement instruction signal s2 is a signal created based on the position information ip of the first carrier 10a. contains information about the travel route 51 until it reaches the carrier 10a.
- the movement instruction signal s2 also includes measurement instruction information for causing the second carrier 10b to measure the size of the first carrier 10a. Note that the above measurement request signal s1 is transmitted from the first transport 10a to the management device 30 even when the first transport 10a and the second transport 10b pass each other on the same running path 51. sent.
- the management device 30 receives the measurement request signal s1 from the first carrier 10a and transmits the movement instruction signal s2 to the second carrier 10b.
- the management device 30 may receive the measurement request signal s1 from the second carrier 10b and transmit the movement instruction signal s2 to the first carrier 10a.
- FIG. 7 is a diagram showing the conveying body 10 included in the parcel conveying system 1.
- FIG. 7 also shows a plurality of packages 60 loaded on the carrier 10. As shown in FIG.
- the carrier 10 is, for example, an autonomous mobile body, and unmannedly carries the load 60 loaded on it.
- the carrier 10 includes a first measuring section 11, a second measuring section 12, a communication section 13, a control section 15, a storage section 16, and a traveling section 17 (see FIG. 5).
- the running unit 17 is a device for running the carrier 10 .
- the traveling unit 17 has a base 17a on which a load 60 is placed, wheels 17b provided on the base 17a, and a motor (not shown) for rotating the wheels 17b. ing.
- a training wheel may be provided on the bottom of the base 17a.
- the driving unit 17 is driven and controlled based on instructions from the control unit 35 .
- the conveying body 10 travels forward, backward, left-handed, right-handed, etc. by driving the travel section 17 .
- the load 60 may be placed in a state protruding from the base 17a.
- the first measurement unit 11 measures the size of the carrier 10.
- the first measuring unit 11 is configured by a distance measuring device provided on the base 17a.
- the distance measurement device is, for example, a laser distance measurement device, and measures the distance to the object by emitting laser light from a laser light source and receiving the laser light reflected from the object within the distance measurement range.
- the second measurement unit 12 measures the weight of the conveying body 10.
- the second measuring unit 12 is configured by a weight measuring device or the like arranged on the base 17a.
- the weight measuring device is, for example, a load cell, and measures the weight of the load 60 loaded on the carrier 10 .
- the first measuring unit 11 uses a distance measuring device to measure the size of a carrier different from itself. Also, the first measurement unit 11 measures an object on or near the travel route 51 of the carrier 10 . Objects on or near the travel path 51 are, for example, obstacles, abandoned luggage, shelves or walls.
- the distance measuring device may irradiate the laser beam by two-dimensionally or one-dimensionally scanning the laser beam, or may irradiate the laser beam at a point. In the case of two-dimensionally or one-dimensionally scanning with laser light, scanning may be performed using not only one device but also a plurality of devices.
- the first measurement unit 11 uses a distance measuring device to detect the position coordinates of the carrier 10 in the building 50, and measures the walls, shelves, marks on the floor, etc. around the carrier 10. . Also, the first measuring unit 11 measures the velocity and acceleration of the carrier 10 . The speed of the carrier 10 may be calculated from the time-series change in position acquired by the distance measuring device, and the acceleration may be calculated from the time-series change in speed acquired by the speed measuring device. Also, the first measurement unit 11 may include a velocity measuring device and an acceleration measuring device, and measure velocity and acceleration by the velocity measuring device and the acceleration measuring device.
- the data measured by the first measurement unit 11 and the second measurement unit 12 are transmitted to the management device 30 and the like via the control unit 15 and the communication unit 13, which will be described later. Further, data regarding the size of the other carrier measured by the first measuring unit 11 is transmitted to the other carrier through the control unit 15 and the communication unit 13 .
- the communication unit 13 is a communication module and communicates with the management device 30 wirelessly r1. In addition, the communication unit 13 communicates with another carrier by radio r2. In other words, the first carrier 10a and the second carrier 10b can communicate with each other wirelessly r2 without going through the management device 30.
- FIG. As a communication method by wireless r2, for example, a method such as Bluetooth (registered trademark) or WiFi (registered trademark) is used. Note that the first carrier 10a and the second carrier 10b may be capable of communicating by infrared communication or optical communication.
- the communication unit 13 can transmit the aforementioned measurement request signal s1 to the management device 30 using the radio r1. Also, the communication unit 13 can receive the above-described movement instruction signal s2 from the management device using the radio r1. In addition, the communication unit 13 can transmit the size information is of the other carrier measured by itself to the other carrier using the wireless r2.
- FIG. 8 is a diagram showing an example of information stored in the carrier 10.
- FIG. FIG. 8 shows information stored in the storage unit 16 of the first carrier 10a.
- the storage unit 16 of the first carrier 10a stores information about its own carrier 10a and the like.
- the storage unit 16 of the carrier 10 stores its own identification information, identification information of the load 60 it carries, its own size information is, its own weight information iw, its own position information ip, its own traveling Information about the plan P, map information, and the like are stored.
- the carrier 10 acquires the identification information, the size information is, the weight information iw, the information about the travel plan P, and the map information from the management device 30 via the communication unit 13 .
- the size information is of the carrier 10 stored in the storage unit 16 will be explained.
- FIG. 9 is a diagram showing the size of the carrier 10.
- FIG. 9 shows a view of the carrier 10 viewed from the ceiling side of the building 50. As shown in FIG.
- the size information is includes three values of the size in the width direction of the carrier 10, the size in the traveling direction, and the size in the loading direction. Also, the size information is may include three sizes, ie, the unit size Sv of the carrier 10, the stacking size SL, and the margin size Sm.
- the unit size Sv is the size of only the carrier 10 not including the package 60
- the loaded size SL is the size of the carrier 10 including the package 60
- the margin size Sm is slightly larger than the loaded size SL. be.
- the three sizes have a relationship of single size Sv ⁇ stacked size SL ⁇ margin size Sm.
- setting the margin size Sm larger than the load size SL allows the transport body 10 to travel appropriately with a margin.
- FIG. 9 the size in the width direction of the carrier 10 has been mainly explained, but the size in the traveling direction and the size in the cargo loading direction are also the same.
- the control unit 15 causes the carrier 10 to travel while controlling the operations of the travel unit 17, the first measurement unit 11, the second measurement unit 12, the communication unit 13, and the storage unit 16. For example, the control unit 15 calculates the margin size Sm based on the single size Sv or the loaded size SL of the carrier 10 transmitted from another carrier.
- the margin size Sm may be calculated by multiplying the load size SL by a predetermined value, or may be calculated by changing the predetermined value to be multiplied according to the size and weight of the cargo 60 .
- control unit 15 may derive the position coordinates by comparing objects around the carrier 10 measured by the first measurement unit 11 and map information stored in the storage unit 16, for example. Also, the control unit 15 may derive position coordinates based on the positions of markers on the floor detected by the first measurement unit 11 . Note that the control unit 15 may obtain the position coordinates using a GPS (Global Positioning System) device, a gyro sensor, etc., instead of deriving the position coordinates from the data measured by the distance measuring device.
- GPS Global Positioning System
- the control unit 15 creates a travel plan P based on the size information is of the first transport body 10a output from the second transport body 10b and the map information. For example, the control unit 15 creates the travel plan P based on the size of the carrier 10 in the width direction, the passage width 52 of the travel route 51, and the like. Further, the control unit 15 creates a travel plan P by adding a margin to the size of the first carrier 10a. Furthermore, the control unit 15 creates a travel plan P based on the weight information iw of the first carrier 10a and the weight information iw of the second carrier 10b.
- creating the travel plan P includes correcting and updating the travel plan P created in advance. Also, creating the travel plan P includes checking the travel plan P created in advance and storing the travel plan P after confirmation. In this embodiment, the control unit 15 of the carrier 10 can correct and update the travel plan P created by the management device 30 . Note that the control unit 15 of the carrier 10 can also create the travel plan P from a blank state when the travel plan P has not been created. The control unit 15 drives the traveling unit 17 based on the travel plan P created.
- FIG. 10A and 10B are diagrams showing an example of the operation when the carrier 10 travels on a narrow road.
- FIG. 10 shows a state in which there are obstacles on both sides of the travel route 51 and the passage width 52 of the travel route 51 is narrow.
- the first conveying body 10a measures its own size as shown in FIG. 10(a).
- a requesting measurement request signal s1 is transmitted to the management device 30 .
- the management device 30 transmits the movement instruction signal s2 to the second carrier 10b.
- the second carrier 10b After moving based on the information included in the movement instruction signal s2, the second carrier 10b measures the size of the first carrier 10a, as shown in FIG. 10(b). Then, as shown in FIG. 10(c), the second conveying body 10b outputs the measured size information is of the first conveying body 10a to the outside.
- the first carrier 10a acquires the output size information is and creates a travel plan P for the first carrier 10a based on this size information is. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- FIG. 11 is a diagram showing an example of the operation when a plurality of conveying bodies 10 pass each other.
- FIG. 11 shows a state in which there are obstacles on both sides of the travel route 51, two transport bodies 10a and 10b are present on the travel route 51, and the passage width 52 is narrow.
- each carrier 10b transmits a measurement request signal s1 to the other carrier.
- the second transport body 10b measures the size of the first transport body 10a as shown in FIG. 11(b).
- the first carrier 10a measures the size of the second carrier 10b as shown in FIG. 11(c).
- the second carrier 10b outputs the measured size information is of the first carrier 10a to the outside.
- the first carrier 10a outputs the measured size information is of the second carrier 10b to the outside.
- the first transport body 10a Based on the size information is output from the second transport body 10b and the size information is of the second transport body 10b measured by the first transport body 10a, the first transport body 10a performs the first A travel plan P for the carrier 10a is created. Based on the size information is output from the first transport body 10a and the size information is of the first transport body 10a measured by the second transport body 10b, the second transport body 10b performs a second transport. A travel plan P for the carrier 10b is created. This enables the first conveying body 10a and the second conveying body 10b to travel along the travel path 51 appropriately.
- FIG. 12 is a flow chart showing the operation of the cargo transport system 1 when the carrier 10 travels on a narrow road.
- the first transport body 10a when the first transport body 10a travels on a narrow road, it calls other transport bodies located in the vicinity (step S11). Whether or not the road is narrow may be determined by measuring the travel route 51 or obstacles using the first measurement unit 11 by the first transport body 10a. You may judge based on the map information.
- the first carrier 10a transmits a measurement request signal s1 to the management device 30 using the radio r1 (see (a) in FIG. 10).
- This measurement request signal s1 contains the position information ip of the first carrier 10a.
- the management device 30 When the management device 30 receives the measurement request signal s1, it searches for another transporter located near the first transporter 10a or another transporter scheduled to move near the first transporter 10a. A second carrier 10b that meets the measurement request of the first carrier 10a is determined. The management device 30 transmits the movement instruction signal s2 to the second carrier 10b using the radio r1 (step S12).
- the movement instruction signal s2 includes identification information, position information ip, and movement route information of the first carrier 10a. Further, the movement instruction signal s2 includes measurement instruction information for measuring the size of the first carrier 10a.
- the management device 30 adds the position of the first transport body 10a as a passing point on the travel route 51, redesigns the travel plan P, and transmits it. You may
- the second carrier 10b moves toward the position of the first carrier 10a (step S13). If the management device 30 already knows that the first conveying body 10a is headed for the narrow path, it determines another conveying body 10b that is free and waits in the narrow path. You may let The management device 30 may make the second conveyed body 10b on standby on the way to the destination, or may make the second conveyed body 10b on the way back from the destination wait.
- the second carrier 10b measures the size of the first carrier 10a using the first measuring unit 11 (Ste S14) (see (b) of FIG. 10).
- the size of the first conveying body 10a is a size including the load 60 loaded on the first conveying body 10a.
- the size is the size of the misstacked state.
- the second carrier 10b may rotate around the first carrier 10a to measure the first carrier 10a. Further, the second transport body 10b may acquire data of a 360° field of view by measuring the first transport body 10a rotating on its own axis.
- the second conveying body 10b outputs information about the size of the first conveying body 10a acquired by measurement to the outside (step S15).
- the second carrier 10b directly transmits the above size information to the first carrier 10a using radio r2 (see FIG. 10(c)).
- the signal transmitted to the first carrier 10a contains identification information of the first carrier 10a in addition to the above size information.
- the information about the size of the first carrier 10a may be transmitted to the first carrier 10a via the management device 30 from the second carrier 10b using the radio r1.
- the first conveying body 10a receives information about its own size and calculates the margin size Sm, etc. (step S16).
- the margin size Sm may be calculated by multiplying the load size SL by a predetermined value, or may be calculated by changing the predetermined value to be multiplied according to the size and weight of the cargo 60 .
- the first carrier 10a creates a travel plan P based on the passage width 52 of the travel route 51 of the first carrier 10a and the size information is.
- the first conveying body 10a determines whether or not the loading size SL is smaller than the passage width 52 (step S17).
- the first conveying body 10a When the loaded size SL is equal to or larger than the passage width 52 (No in S17), the first conveying body 10a changes the travel plan P so that it travels along another travel route 51 instead of the narrow road located in the direction of travel. Create again (step S18).
- the first carrier 10 a may request the management device 30 to search for another travel route 51 .
- the first carrier 10a may output an alert signal to notify that the loading state of the cargo 60 is abnormal.
- step S19 If the load size SL is smaller than the passage width 52 (Yes in S17), the next step is to determine whether the margin size Sm is smaller than the passage width 52 (step S19).
- the first conveying body 10a recreates its own travel plan P and travels. Specifically, the first conveying body 10a reduces the margin of the margin size Sm (step S20), slows down the speed of the first conveying body 10a, and travels on a narrow road located in the traveling direction. (step S21).
- the first conveying body 10a travels according to the travel plan P (step S22). Specifically, the first conveying body 10a travels on a narrow road located in the advancing direction without changing the margin size Sm and without changing the speed of the first conveying body 10a. Note that the speed of the first conveying body 10a may be corrected to be slightly slower than the traveling plan P.
- the first carrier 10a can travel along the travel route 51 appropriately.
- FIG. 13 is a flow chart showing the operation when a plurality of conveying bodies 10 pass each other in the parcel conveying system 1 .
- the luggage conveying system 1 first, when the first conveying body 10a and the second conveying body 10b pass each other on one traveling route 51, the other conveying bodies that will pass each other from now on measure their own sizes. is transmitted (step S31).
- Each of the first conveying body 10a and the second conveying body 10b determines whether or not to pass each other by measuring the traveling route 51 or the other conveying body using the first measurement unit 11. Alternatively, the determination may be made based on the map information stored in the storage unit 16 .
- the first carrier 10a transmits a measurement request signal s1 to the second carrier 10b using radio r2. Also, the second carrier 10b transmits a measurement request signal s1 to the first carrier 10a using the radio r2 (see (a) in FIG. 11). Note that the measurement request signal s1 may be transmitted by infrared communication.
- each of the first transport body 10a and the second transport body 10b measures the size of the other transport body using the respective first measuring units 11 (step S33). . Specifically, the first carrier 10a measures the size of the second carrier 10b using its own first measuring unit 11 (see (b) of FIG. 11). Also, the second carrier 10b measures the size of the first carrier 10a using its own first measuring unit 11 (see (c) of FIG. 11).
- first transport body 10a and the second transport body 10b receive the measurement request signal s1, they measure the weight of their own transport bodies using the respective second measuring units 12 (step S34). . Specifically, the first transport body 10a uses its own second measuring unit 12 to measure its own weight, and the second transport body 10b uses its own second measuring unit 12 to measure its weight. Weigh yourself. Note that the weight measured using the second measurement unit 12 is the total weight of the carrier itself and the package 60 added together.
- Each of the first transport body 10a and the second transport body 10b outputs information about the size of the other transport body acquired by measurement and information about the weight of its own transport body to the outside (step S35).
- the first carrier 10a directly transmits information about the size of the other party and its own weight to the second carrier 10b using radio r2 (see (d) in FIG. 11).
- the second carrier 10b directly transmits information about the size of the other party and its own weight to the first carrier 10a using the radio r2 (see FIG. 11(e)).
- the information on the size of the other party and the weight of the other party may be transmitted to the carrier of the other party using the radio r1, that is, via the management device 30.
- the first conveying body 10a and the second conveying body 10b receive the information about their own size transmitted from the other party, and calculate the margin size Sm, etc. (step S36). Also, the first carrier 10a and the second carrier 10b receive information about the weight of the other party transmitted from the other party.
- a travel plan P is created.
- the first transport body 10a determines whether or not the sum of the loading size SL of the first transport body 10a and the loading size SL of the second transport body 10b is smaller than the passage width 52 (step S37). ).
- the first conveying body 10a travels along another travel route 51 instead of the passage located in the traveling direction. is created again (step S38).
- the first carrier 10 a may request the management device 30 to search for another travel route 51 .
- the first carrier 10a may output an alert signal to notify that the loading state of the packages 60 is abnormal.
- step S39 If the total stacking size SL is smaller than the passage width 52 (Yes in S37), proceed to the next step, where the sum of the margin size Sm of the first conveying body 10a and the margin size Sm of the second conveying body 10b is , passage width 52 (step S39).
- the first conveying body 10a recreates its own travel plan P and travels. Specifically, the first conveying body 10a reduces the margin of the total margin size Sm (step S40), and slows down the speed of the first conveying body 10a to reduce the second (step S41).
- the first carrier 10a travels according to the travel plan P (step S42). Specifically, the first conveying body 10a travels on a narrow road located in the traveling direction without changing the total margin size Sm and without changing the speed of the first conveying body 10a.
- the first carrier 10a can travel along the travel route 51 appropriately.
- the first transport body 10a calculates the travel plan P may be created. Further, when the first transport body 10a determines that the weight of the first transport body 10a is lighter than the weight of the second transport body 10b, the traveling track of the first transport body 10a may be changed. good.
- the baggage conveying system 1 is a baggage conveying system that includes a plurality of carriers 10 that convey the baggage 60 .
- the plurality of carriers 10 includes a first carrier 10a and a second carrier 10b.
- the second conveying body 10b measures the size of the first conveying body 10a and outputs size information is regarding the size to the outside.
- the first carrier 10a acquires the size information is and creates a travel plan P for the first carrier 10a based on the size information is.
- the cargo transport system 1 can create a travel plan P for the first transport body 10a. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the first carrier 10a may create a travel plan P based on the passage width 52 of the travel route 51 of the first carrier 10a and the size information is.
- the parcel transport system 1 can create a travel plan P for the first transport body 10a based on the passage width 52 and the accurate size information is. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the second carrier 10b acquires from the outside the movement instruction signal s2 of the second carrier 10b created based on the position information ip of the first carrier 10a, and based on the movement instruction signal s2 After moving, the size of the first carrier 10a may be measured.
- the size of the first carrier 10a can be accurately measured using the second carrier 10b. Then, based on this accurate measurement result, the cargo transport system 1 can create a travel plan P for the first transport body 10a. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the parcel transport system 1 further includes a management device 30 that manages the first transport body 10a and the second transport body 10b.
- the first carrier 10a transmits to the management device 30 a measurement request signal s1 requesting measurement of the size of the first carrier 10a.
- the management device 30 transmits the movement instruction signal s2 to the second carrier 10b.
- the size of the first carrier 10a can be accurately measured using the second carrier 10b according to the measurement request signal s1. Then, based on this accurate measurement result, the cargo transport system 1 can create a travel plan P for the first transport body 10a. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the first carrier 10a may transmit the measurement request signal s1 to the management device 30 when the passage width 52 of the traveling route 51 of the first carrier 10a is narrower than a predetermined width.
- the baggage transport system 1 can create a travel plan P for the first transport body 10a. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the carrier 10 includes a measurement unit 11 that measures the size of another carrier 10 different from itself, a communication unit 13 that communicates with the other carrier 10 and the management device 30, the measurement unit 11 and the communication unit 13. and a control unit 15 for controlling and creating a travel plan P.
- the size of the carrier 10 can be accurately measured using the measuring unit 11 of another carrier 10 . Then, based on this accurate measurement result, the cargo transport system 1 can create a travel plan P for the transport body 10 . As a result, the conveying body 10 can appropriately travel along the travel route 51 .
- the second carrier 10b may directly transmit the size information is to the first carrier 10a.
- the first carrier 10a can directly receive the size information is of the first carrier 10a. Then, based on this information, the first carrier 10a can create its own travel plan P. FIG. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the second transport body 10b measures the size of the first transport body 10a and determines the size of the first transport body. Outputting size information is about the size of the body 10a to the outside, the first transport body 10a measures the size of the second transport body 10b, acquires size information about the size of the second transport body 10b, Further, the size information is regarding the size of the first transport body 10a output from the second transport body 10b is acquired, and the size information is of the first transport body 10a and the size information is of the second transport body 10b are obtained. Based on this, a travel plan P may be created.
- the cargo transport system 1 can create a travel plan P for the first transport body 10a. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the first conveying body 10a is divided into the passage width 52 of the travel route 51 of the first conveying body 10a, the size information is of the second conveying body 10b, and the size information is of the first conveying body 10a. Based on this, a travel plan P may be created.
- the parcel transport system 1 can create a travel plan P for the first transport body 10a based on the passage width 52 and two accurate size information is. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the second transport body 10b further outputs weight information iw regarding the weight of the second transport body 10b to the outside
- the first transport body 10a outputs the second transport body 10b output from the second transport body 10b.
- the travel plan P may be created based on the weight information iw of the second transport body 10b and the weight information iw relating to the weight of the first transport body 10a.
- the parcel transport system 1 can create a travel plan P for the first transport body 10a based on the weight information iw of the first transport body 10a and the second transport body 10b. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the traveling track of the first transport body 10a may be changed. good.
- the carrier 10 communicates with the first measuring unit 11 that measures the size of another carrier 10 different from itself, the second measuring unit 12 that measures the weight of itself, and the other carrier 10.
- a communication unit 13 may be provided.
- the size and weight of the carrier 10 can be accurately measured using the first measuring section 11 and the second measuring section 12 of the other carrier 10 . Then, based on this accurate measurement result, the cargo transport system 1 can create a travel plan P for the transport body 10 . As a result, the conveying body 10 can appropriately travel along the travel route 51 .
- the second carrier 10b may directly transmit the size information is and the weight information iw to the first carrier 10a.
- the first carrier 10a can directly receive the size information is of the first carrier 10a and the weight information iw of the second carrier 10b. Then, the first carrier 10a can create its own travel plan P based on these pieces of information. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the size may include the size of the package 60 transported by the carrier 10.
- the size of the first carrier 10a including the package 60 can be measured accurately. Then, based on this accurate measurement result, the cargo transport system 1 can create a travel plan P for the first transport body 10a. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- a travel plan P may be created by adding a margin to the size.
- the baggage transport system 1 can create a travel plan P for the first transport body 10a with a margin. This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the travel plan P may include at least one of the trajectory, speed, and size information is of the carrier 10 .
- the parcel transport system 1 can create a travel plan P including at least one of the trajectory, speed and size information is of the transport body 10 . This enables the first conveying body 10a to travel along the travel route 51 appropriately.
- the conveying body 10 is a conveying body that conveys a package 60, and includes a communication unit 13 that communicates with another conveying unit 10 different from itself, and size information about its own size via the communication unit 13. and a control unit 15 that acquires is and creates its own travel plan P based on the size information is.
- the carrier 10 can create its own travel plan P based on this accurate measurement result. As a result, the conveying body 10 can appropriately travel along the travel route 51 .
- the transport body 10 is a transport body that transports a package 60, and includes a measurement unit 11 that measures the size of another transport body 10 that is different from itself, and size information about the size measured by the measurement unit 11. and a communication unit 13 for outputting is to cause another carrier 10 to acquire the is.
- the other carrier 10 By outputting the size of the other carrier 10 via the communication unit 13 in this way, the other carrier 10 can accurately measure its own size. Then, other conveying bodies 10 can create their own travel plans P based on this accurate measurement result. As a result, it becomes possible for the other carrier 10 to travel along the travel path 51 appropriately.
- the conveying body 10 may be equipped with a load restraining device to prevent the load from shifting during travel.
- the baggage control device may be a fixed member or a movable member according to the size of the baggage.
- General or specific aspects of the present disclosure may be implemented in a system, apparatus, method, integrated circuit, computer program, or recording medium such as a computer-readable CD-ROM. It may also be implemented in any combination of systems, devices, methods, integrated circuits, computer programs and recording media.
- the division of functional blocks in the block diagram is an example, and a plurality of functional blocks can be realized as one functional block, one functional block can be divided into a plurality of functional blocks, and some functions can be moved to other functional blocks.
- single hardware or software may process the functions of a plurality of functional blocks having similar functions in parallel or in a time-sharing manner.
- each component for example, a processing unit such as a control unit
- each component is implemented by dedicated hardware or by executing a software program suitable for each component. good too.
- Each component may be implemented by a program execution unit such as a CPU (Central Processing Unit) or processor reading and executing a software program recorded on a recording medium such as a hard disk or semiconductor memory.
- each component may be a circuit (or integrated circuit). These circuits may form one circuit as a whole, or may be separate circuits. These circuits may be general-purpose circuits or dedicated circuits.
- the present disclosure can be widely used as a package transport system that includes a carrier that unmannedly transports packages.
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Abstract
Description
本開示に至る経緯について、図1~図3を参照しながら説明する。
[1.荷物搬送システムの構成]
実施の形態に係る荷物搬送システムの構成について、図4~図11を参照しながら説明する。
荷物搬送システム1の動作の一例について、図12を参照しながら説明する。ここでは、搬送体10が狭路を走行する例について説明する。
荷物搬送システム1の動作の一例について、図13を参照しながら説明する。ここでは、複数の搬送体10がすれ違い走行する例について説明する。
以上のように、本実施の形態に係る荷物搬送システム1は、荷物60を搬送する搬送体10を複数備える荷物搬送システムである。複数の搬送体10は、第1の搬送体10aおよび第2の搬送体10bを含む。第2の搬送体10bは、第1の搬送体10aのサイズを計測し、当該サイズに関するサイズ情報isを外部へ出力する。第1の搬送体10aは、サイズ情報isを取得し、サイズ情報isに基づいて第1の搬送体10aの走行計画Pを作成する。
以上、実施の形態および各変形例(以降において、実施の形態等とも記載する)について説明したが、本開示は、このような実施の形態等に限定されるものではない。
10 搬送体
10a 第1の搬送体
10b 第2の搬送体
11 第1の計測部
12 第2の計測部
13 通信部
15 制御部
16 記憶部
17 走行部
30 管理装置
33 通信部
35 制御部
36 記憶部
50 建物
51 走行経路
52 通路幅
60 荷物
ip 位置情報
is サイズ情報
iw 重量情報
P 走行計画
r1、r2 無線
SL 積載サイズ
Sm マージンサイズ
Sv 単体サイズ
s1 計測要求信号
s2 移動指示信号
Claims (19)
- 荷物を搬送する搬送体を複数備える荷物搬送システムであって、
複数の前記搬送体は、第1の搬送体および第2の搬送体を含み、
前記第2の搬送体は、前記第1の搬送体のサイズを計測し、当該サイズに関するサイズ情報を外部へ出力し、
前記第1の搬送体は、前記サイズ情報を取得し、当該サイズ情報に基づいて前記第1の搬送体の走行計画を作成する
荷物搬送システム。 - 前記第1の搬送体は、前記第1の搬送体の走行経路の通路幅と、前記サイズ情報とに基づいて、前記走行計画を作成する
請求項1に記載の荷物搬送システム。 - 前記第2の搬送体は、前記第1の搬送体の位置情報に基づいて作成された前記第2の搬送体の移動指示信号を外部から取得し、前記移動指示信号に基づいて移動した後に、前記第1の搬送体のサイズを計測する
請求項1または2に記載の荷物搬送システム。 - さらに、前記第1の搬送体および前記第2の搬送体を管理する管理装置を備え、
前記第1の搬送体は、前記第1の搬送体のサイズの計測を要求する計測要求信号を前記管理装置に送信し、
前記管理装置は、前記第1の搬送体から前記計測要求信号を受信した場合に、前記移動指示信号を前記第2の搬送体へ送信する
請求項3に記載の荷物搬送システム。 - 前記第1の搬送体は、前記第1の搬送体の走行経路の通路幅が所定の幅よりも狭い場合に、前記計測要求信号を前記管理装置に送信する
請求項4に記載の荷物搬送システム。 - 前記搬送体は、自身と異なる他の搬送体のサイズを計測する計測部と、前記他の搬送体および前記管理装置と通信する通信部と、前記計測部および前記通信部を制御しかつ前記走行計画を作成する制御部と、を備える
請求項4または5に記載の荷物搬送システム。 - 前記第2の搬送体は、前記サイズ情報を前記第1の搬送体へ直接送信する
請求項1~6のいずれか1項に記載の荷物搬送システム。 - 前記第2の搬送体は、前記第2の搬送体の走行経路に前記第1の搬送体が位置する場合に、前記第1の搬送体のサイズを計測して、前記第1の搬送体のサイズに関する前記サイズ情報を外部へ出力し、
前記第1の搬送体は、前記第2の搬送体のサイズを計測して、前記第2の搬送体のサイズに関するサイズ情報を取得し、かつ、前記第2の搬送体から出力された前記第1の搬送体のサイズに関するサイズ情報を取得し、前記第1の搬送体の前記サイズ情報および前記第2の搬送体の前記サイズ情報に基づいて、前記走行計画を作成する
請求項1に記載の荷物搬送システム。 - 前記第1の搬送体は、前記第1の搬送体の走行経路の通路幅と、前記第2の搬送体の前記サイズ情報と、前記第1の搬送体の前記サイズ情報とに基づいて、前記走行計画を作成する
請求項8に記載の荷物搬送システム。 - 前記第2の搬送体は、さらに、前記第2の搬送体の重量に関する重量情報を外部へ出力し、
前記第1の搬送体は、前記第2の搬送体から出力された前記第2の搬送体の前記重量情報と、前記第1の搬送体の重量に関する重量情報とに基づいて、前記走行計画を作成する
請求項8または9に記載の荷物搬送システム。 - 前記第1の搬送体は、前記第1の搬送体の重量が前記第2の搬送体の重量よりも軽いと判断した場合に、前記第1の搬送体の走行軌道を変更する
請求項10に記載の荷物搬送システム。 - 前記搬送体は、自身と異なる他の搬送体のサイズを計測する第1の計測部と、前記自身の重量を計測する第2の計測部と、前記他の搬送体と通信する通信部と、を備える
請求項10または11に記載の荷物搬送システム。 - 前記第2の搬送体は、前記サイズ情報および前記重量情報を前記第1の搬送体へ直接送信する
請求項10~12のいずれか1項に記載の荷物搬送システム。 - 前記サイズは、前記搬送体が搬送する前記荷物のサイズを含む
請求項1~13のいずれか1項に記載の荷物搬送システム。 - 前記第1の搬送体は、前記サイズにマージンを加えて前記走行計画を作成する
請求項14に記載の荷物搬送システム。 - 前記走行計画は、前記搬送体の軌道、速度および前記サイズ情報の少なくとも1つを含む
請求項1~15のいずれか1項に記載の荷物搬送システム。 - 荷物を搬送する搬送体であって、
自身と異なる他の搬送体と通信する通信部と、
前記通信部を介して自身のサイズに関するサイズ情報を取得し、当該サイズ情報に基づいて自身の走行計画を作成する制御部と、
を備える搬送体。 - 荷物を搬送する搬送体であって、
自身と異なる他の搬送体のサイズを計測する計測部と、
前記計測部で計測した前記サイズに関するサイズ情報を前記他の搬送体に取得させるために出力する通信部と、
を備える搬送体。 - 荷物を搬送する搬送体を複数備える荷物搬送システムにおける前記搬送体の制御方法であって、
複数の前記搬送体は、第1の搬送体および第2の搬送体を含み、
前記第2の搬送体が備える計測部により、前記第1の搬送体のサイズを計測し、当該サイズに関するサイズ情報を外部へ出力することと、
前記第1の搬送体が備える通信部により、前記サイズ情報を取得し、当該サイズ情報に基づいて前記第1の搬送体の走行計画を作成することと、
を含む制御方法。
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