EP3973516A1 - Procédé et système de suivi d'une charge - Google Patents

Procédé et système de suivi d'une charge

Info

Publication number
EP3973516A1
EP3973516A1 EP20725700.7A EP20725700A EP3973516A1 EP 3973516 A1 EP3973516 A1 EP 3973516A1 EP 20725700 A EP20725700 A EP 20725700A EP 3973516 A1 EP3973516 A1 EP 3973516A1
Authority
EP
European Patent Office
Prior art keywords
cargo
vehicle
communication module
communication modules
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20725700.7A
Other languages
German (de)
English (en)
Inventor
Daniel Pfefferkorn
Thomas Wolf
Thomas HOLLWEDEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF CV Systems Europe BV
Original Assignee
ZF CV Systems Europe BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF CV Systems Europe BV filed Critical ZF CV Systems Europe BV
Publication of EP3973516A1 publication Critical patent/EP3973516A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C11/00—Arrangements, systems or apparatus for checking, e.g. the occurrence of a condition, not provided for elsewhere
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/083—Shipping
    • G06Q10/0833—Tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/35—Services specially adapted for particular environments, situations or purposes for the management of goods or merchandise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management

Definitions

  • the invention relates to a method for tracking a load when loading a vehicle.
  • the invention relates to a system for
  • Loaded goods are understood to mean anything that can be loaded into a vehicle and provided with a transmitter or receiver, in particular piece goods, for example machines, containers, concrete, steel, wood or plastic parts.
  • a vehicle typically has a loading space for receiving the cargo, which is completely or partially enclosed.
  • the cargo space is not enclosed and is only designed as a cargo area. Even then, however, cargo can be stacked and secured three-dimensionally next to each other and on top of each other, so that a loading area is also seen as a loading space.
  • the client When transporting cargo on a vehicle, the client wants to know whether or from when the cargo is in the hold.
  • US 2002/0089434 A1 The detection of goods when they enter the cargo space is known from US 2002/0089434 A1.
  • An RFID reader is provided on the inside of the cargo area on a rear entrance door. Goods equipped with an RFID transponder are registered when they pass through the RFID reader.
  • Another RFID reader is provided in the driver's cab, which is used to register the driver's movements. From US 2016/0148440 A1 it is known to arrange an RFID reader in the top center of a vehicle and to detect what are known as RFID tags on goods.
  • a particular problem is the detection of cargo when loading a vehicle if several vehicles are close together, for example trucks in a depot or in a logistics center.
  • Loaded goods are sometimes conveyed past the entrances of the vehicles to a destination vehicle. Already at this point, the vehicle's reading devices can recognize and register the goods, even though the vehicle in question is not being loaded. In addition, when loading the target vehicle
  • Readers of neighboring vehicles also register the load.
  • the object of the present invention is to create a method / system with which the load can be safely tracked when loading a vehicle.
  • the method according to the invention has the features of claim 1.
  • the cargo is provided with a cargo communication module
  • At least one vehicle communication module is provided in the vehicle at a distance from the input and the input communication modules, the cargo being transported into the vehicle and initially the cargo communication module communicating with the input communication modules and then the cargo communication module with the Vehicle communication module communicates.
  • the communication of the cargo communication module with several communication modules on the vehicle enables better identification and assignment to the vehicle concerned. This can cause wrong Allocations to vehicles can be avoided even better. Communication takes place wirelessly, especially by radio.
  • the cargo communication module initially sends with a low signal strength when communicating with the input communication modules and sends it with a higher signal strength after receiving an activation message. As a result, the energy consumption on the part of the cargo communication module can be reduced.
  • the cargo communication module first sends a cargo identifier
  • the input communication modules receive the load identifier and transmit it to a controller together with a time stamp and an RSSI,
  • control system checks the data received and the cargo identifier
  • At least one of the input communication modules After approval by the controller, at least one of the input communication modules sends an activation message to the cargo communication module,
  • the cargo communication module continues to send the cargo identifier after receiving the activation message
  • the vehicle communication module receives the cargo identifier of the
  • Load communication module and transmits the load identifier as a message to the controller.
  • An identifier is understood to be an unambiguous message for identification, for example a sufficiently long combination of numbers.
  • the cargo identifier is the identifier of the cargo communication module.
  • the RSSI is an indicator of the signal strength of the received signal.
  • the input communication modules each receive the identifier of the cargo communication module and determine the signal strength. The The result is the RSSI.
  • the controller checks the identifier, time stamp and RSSI received from each input communication module and contains an algorithm that, taking into account the checked data, at least one of the input communication modules for sending the
  • Activation message controls Linking the various communication modules further increases the reliability of the detection of the load.
  • the control can be integrated in one of the communication modules or it can be outsourced to a separate control device.
  • the controller after receiving the message from the vehicle communication module, the controller can record the cargo communication module as being in the vehicle and transmit this as a presence message to an external recipient.
  • the presence of the cargo communication module can be stored in the control or in the vehicle communication module.
  • the external recipient is preferably a telematics portal or a fleet operator.
  • the controller has one or more of the data
  • Both input communication modules send the load identifier, time stamp and RSSI to the controller so that the data is duplicated there and can be compared with one another. All data are preferably evaluated. If the load IDs differ, no activation message is sent because the input communication modules then receive signals from
  • the timestamps shouldn't differ too much. Otherwise the load is not enters the cargo area between the input communication modules.
  • a limit value for a maximum time stamp difference is therefore stored in the controller. The same applies to a difference in the RSSI. Additionally or alternatively, the absolute value of the RSSI can be checked. If an RSSI is too low, the load has passed the input communication modules with too great a distance and may have only got into a neighboring vehicle.
  • At least one of the input communication modules sends the activation message to the cargo communication module when at least one of the following conditions is met,
  • one or more of the communication modules can send and receive Bluetooth beacon messages.
  • Typical Bluetooth beacon messages are identifiers of Bluetooth transmitters that send regularly and at short intervals.
  • the transmitters are called Bluetooth beacons.
  • the input communication modules first their identifiers and a
  • the cargo communication module receives the identifiers and records RSSIs, - the cargo communication module checks whether
  • the cargo communication module if the above conditions a), b), c) are met, from a non-transmission mode to a transmission mode or from a transmission mode with lower signal strength to a transmission mode higher signal strength changes.
  • the cargo communication module is in receive mode.
  • the cargo communication module sends its cargo identifier and the vehicle identifier, provided that the above conditions a), b), c) are met.
  • the vehicle communication module receives the vehicle identifications sent by the cargo communication module, transmits them to a controller and the controller compares the received vehicle identifiers with its own vehicle identifier. Since a vehicle communication module and two input communication modules are present in a vehicle, there is a clear assignment to the vehicle. Accordingly, these modules can have a uniform vehicle identifier in addition to the respective module identifier. A comparison of the received vehicle identifiers with the vehicle's own identification enables the received signals to be assigned to the own input communication modules or to external communication modules.
  • the controller stores the cargo communication module as being in the vehicle, provided that the vehicle identifier of the vehicle communication module / the controller corresponds to that of the cargo Communication module sent vehicle identifier matches, and that the controller transmits this as a presence message to an external recipient.
  • the cargo communication module sends its cargo identifier
  • the vehicle communication module and input communication modules receive the cargo identifier and together with it
  • Loading a vehicle has the features of claim 14.
  • Input communication modules vehicle communication module to be positioned
  • At least one cargo communication module to be positioned on the cargo is provided, the cargo communication module first communicating with the input communication modules when the cargo is being transported into the vehicle and then the cargo communication module communicates with the vehicle communication module.
  • the system includes the various communication modules and their ability to communicate under certain conditions.
  • a control device can be provided which is connected to the input communication modules and the vehicle communication module and which controls communication with the cargo communication module.
  • the control device can also be integrated in the vehicle communication module or in one of the input communication modules.
  • Telematics device be provided. Information and messages can be sent to an external recipient via the telematics device.
  • the telematics device preferably contains a mobile radio device.
  • Communication modules be transmitter and receiver. For cost reasons, however, individual communication modules can only be receivers or only transmitters.
  • the cargo communication module is sender and receiver
  • the input communication modules are only transmitters
  • one or more of the communication modules can contain a Bluetooth beacon.
  • the Bluetooth beacon regularly sends its identifier and, if necessary, further information at short intervals.
  • the invention also relates to a control device for a system such as
  • the invention also relates to a vehicle with a system such as
  • the vehicle can have input communication modules arranged on both sides of an input of a cargo space.
  • a vehicle communication module can be arranged in the cargo space, at a distance from input communication modules.
  • a vehicle communication module can be arranged on a front wall of the cargo space.
  • Fig. 1 is a schematic representation of a system for tracking a
  • FIG. 2 shows the system according to FIG. 1 in a schematic top view
  • FIG. 3 shows the system according to FIG. 1 in a perspective rear view, with the rear end wall open
  • FIG. 5 shows a sequence of steps in a second exemplary embodiment (B).
  • a trailer vehicle 10 is designed here as a closed trailer, with front wall 1 1, rear wall 12, top wall 13, bottom wall 14 and elongated Side walls 15, 16. In the area of the rear wall 12, the trailer vehicle 10 is provided with doors, not shown, to form an opening through which
  • Loads are conveyable or transportable into the interior of the trailer vehicle.
  • a vehicle communication module 19 is inside the trailer 10 close to the Front wall 11, arranged close to the top wall 13 and approximately in the middle between the side walls 15, 16.
  • the communication modules 17, 18, 19 are connected to a control device 23 via lines 20, 21, 22.
  • a telematics device 24 for communication with an external receiver (not shown) is also connected to the control device 23 via a line 25.
  • the communication modules 17, 18, 19 are preferably transmitters and receivers and send at least their individual identifiers as so-called Bluetooth beacons.
  • the communication modules 17, 18, 19 are preferably transmitters and receivers and send at least their individual identifiers as so-called Bluetooth beacons.
  • individual communication modules can also only be senders or receivers.
  • the control device 23 receives from the communication modules 17, 18, 19
  • control device 23 Information about the received data, provides data itself and controls transmission processes of the communication modules 17, 18, 19.
  • a vehicle identifier is stored in the control device 23, which, depending on the method and application, is also made available to the communication modules 17, 18 .
  • the functionality of the control device 23 can also be in one of the
  • Communication modules 17, 18, 19 can be integrated, in particular in the vehicle communication module 19.
  • the communication modules 17, 18, 19 communicate when the
  • Trailer vehicle 10 wirelessly with cargo communication modules 26, not shown in FIGS. 1 to 3, which are each connected to a cargo 27.
  • the cargo 27 is, for example, a closed container with a volume of 0.5 m 3 .
  • a first exemplary embodiment of a method is explained below with reference to FIG. 4 (method A).
  • lines 20, 21, 22, 25, control device 23 and telematics device 24 are not shown.
  • the cargo communication module 26 on the cargo 27 sends with reduced or minimal signal strength and is located at a distance in front of the rear wall 12 of the trailer 10 and outside the same, see phase A1 in FIG. 4.
  • the range of the cargo communication module 26 is through a
  • Signal circle 28 specified and so small that the input communication modules 17, 18 have not yet received a signal.
  • the cargo 27 is conveyed into the trailer vehicle 10 and in the process passes between the two input communication modules 17, 18, see phase A2.
  • the input communication modules 17, 18 receive the signal from the cargo communication module 16, namely a cargo identifier with a specific received signal strength.
  • Both input communication modules 17, 18 register the cargo identifier, an RSSI value for the received signal strength and a time as a time stamp for the respective input of the signal. These registered data are transmitted to the control device 23 and processed there.
  • control unit 23 already known cargo identifiers, that is to say those present as cargo, are stored.
  • the cargo IDs received from the two input communication modules 17, 18 in phase A2 are compared in the control device 23 with the already existing cargo IDs. If the two cargo identifiers received in phase A2 match and at the same time are different from existing cargo identifiers, the control device 23 activates at least one of the input communication modules 17, 18 such that an activation message is sent to the cargo communication module 26.
  • control unit 23 After receiving the messages from the input communication modules 17, 18, the control unit 23 preferably also checks the two RSSIs and compares them with one another. If the RSSI falls below a limit value and / or the difference between the two RSSI exceeds a limit value, it becomes
  • time stamps of the messages received from the input communication modules 17, 18 can also be compared. If the time difference is too great, no activation message is sent to the cargo communication module 26 either.
  • the activation message causes the cargo communication module 26 to switch to a higher signal strength, for example a standard signal strength, represented by a signal circuit section 29, which extends beyond the vehicle communication module 19. That sends
  • a higher signal strength for example a standard signal strength, represented by a signal circuit section 29, which extends beyond the vehicle communication module 19. That sends
  • Cargo communication module 26 continues to have its cargo identifier. There is now a radio link between the three communication modules 17, 18, 19 and the cargo communication module 26, see phase A4. At the same time, the cargo 27 was conveyed further into the interior of the trailer vehicle 10.
  • the vehicle communication module 19 has transmitted the cargo identifier received by radio to the control unit 23.
  • the control unit 23 compares the cargo identifiers. If these match, it is assumed that the relevant cargo 27 is now inside the trailer vehicle 10.
  • the information about the cargo 27 can be transmitted via the telematics device 24 to an external recipient, for example to a fleet operator or an internet portal.
  • the cargo communication module 26 continues to send the cargo identifier, so that the location of the cargo 27 in the trailer vehicle 10 can be checked. Additionally or alternatively, the cargo communication module 26 can send information from connected sensors, such as temperature,
  • phase B1 the cargo 27 with the cargo communication module 26 is outside the trailer vehicle 10.
  • the cargo communication module 26 is either inactive or sends a cargo identifier with reduced signal strength.
  • the input communication modules 17, 18 transmit with sufficient signal strength so that the cargo communication module 26 can receive data when it enters the trailer vehicle 10.
  • the data sent are in particular the vehicle identifier and module identifiers of the input communication modules 17, 18.
  • the input communication modules 17, 18 preferably also send their data during the other phases B1, B3, B4.
  • the cargo communication module 26 receives the data and checks them, in particular in connection with RSSI and time stamp. Provided that the same vehicle IDs are available from two different input communication modules and the difference between the RSSIs does not exceed a limit value and If the time stamp for the data inputs differ only slightly (below a limit value), the cargo communication module 26 assumes that the opening of the trailer vehicle 10 has been reached or has been passed. The cargo communication module 26 then switches to a higher signal strength, which is dimensioned such that the vehicle communication module 19 is reached, see phase B3 with signal circuit section 32. The cargo communication module 26 sends the information from the input communication modules 17, 18 (or at least from one) received
  • Vehicle identifier together with the cargo identifier.
  • the vehicle communication module 19 compares the received vehicle identification with its own. If they match, the cargo identifier is registered and the cargo 27 is stored as being in the vehicle. This information can be transmitted to an external recipient via the telematics device 24.
  • the cargo communication module 26 continues to send its data and / or is in radio contact with the vehicle communication module 19, see phase B4. In this way, it can be determined whether or when the cargo communication module 26 is moving away from the vehicle communication module 19, for example when the cargo 27 is being unloaded. In connection with suitable sensors on the cargo communication module 26
  • Ambient parameters such as temperature, acceleration, humidity, etc. are transmitted to the vehicle communication module 19 and made available to external receivers.
  • Trailer vehicle 10 possible, for example via a comparison of RSSIs and / or time stamps, see also phase B4.
  • the input communication modules 17, 18 are preferably only transmitters.
  • the vehicle communication module 19 is in particular only a receiver.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Economics (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Marketing (AREA)
  • Human Resources & Organizations (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • Entrepreneurship & Innovation (AREA)
  • General Business, Economics & Management (AREA)
  • Development Economics (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un procédé permettant de suivre une charge lors du chargement d'un véhicule (10). Selon le procédé, la charge est pourvue d'un module de communication de charge ; au moins deux modules de communication d'entrée (17, 18) sont prévus au niveau d'une entrée du véhicule ; dans le véhicule (10), au moins un module de communication de véhicule (19) est prévu à distance de l'entrée et des modules de communication d'entrée (17, 18) ; la charge est transportée dans le véhicule (10) ; le module de communication de charge communique d'abord avec les modules de communication d'entrée (17, 18) ; et le module de communication de charge communique ensuite avec le module de communication de véhicule (19).
EP20725700.7A 2019-05-20 2020-05-12 Procédé et système de suivi d'une charge Pending EP3973516A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019113227.4A DE102019113227A1 (de) 2019-05-20 2019-05-20 Verfahren und System zum Nachverfolgen eines Ladegutes
PCT/EP2020/063121 WO2020234033A1 (fr) 2019-05-20 2020-05-12 Procédé et système de suivi d'une charge

Publications (1)

Publication Number Publication Date
EP3973516A1 true EP3973516A1 (fr) 2022-03-30

Family

ID=70682849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20725700.7A Pending EP3973516A1 (fr) 2019-05-20 2020-05-12 Procédé et système de suivi d'une charge

Country Status (5)

Country Link
US (1) US12045763B2 (fr)
EP (1) EP3973516A1 (fr)
CN (1) CN113841428B (fr)
DE (1) DE102019113227A1 (fr)
WO (1) WO2020234033A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021115220B4 (de) 2021-06-11 2024-12-19 Ford Global Technologies, Llc Verfahren und System zum Überwachen eines Objektbestandes in einem Laderaum für mit Beacon-Sendeeinrichtungen verbundene Objekte, Fahrzeug, Computerprogrammprodukt und computerlesbarer Datenträger

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US7034683B2 (en) * 2000-11-06 2006-04-25 Loran Technologies, Inc. Electronic vehicle product and personnel monitoring
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EP1544830A1 (fr) * 2003-12-15 2005-06-22 Köhler, Christian Méthode et dispositif de poursuite d'objets
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CN104408604A (zh) * 2014-12-12 2015-03-11 重庆路驰交通设施有限公司 智能物流全程感知系统
JP6957496B2 (ja) * 2016-03-23 2021-11-02 フェデックス コーポレイト サービシズ，インコーポレイティド 無線ノードネットワーク内のノードのブロードキャスト設定を自動調整するための無線ノードベースの方法、その方法を実行する命令を含む非一時的コンピュータ可読媒体、および無線ノードネットワークにおける自動調整ブロードキャストノード装置
CN108197790A (zh) 2017-12-26 2018-06-22 重庆博欧科技有限公司 物流调度系统
CN108875859A (zh) 2018-04-25 2018-11-23 广东工业大学 一种基于wifi-rfid智能物流管理系统

Also Published As

Publication number Publication date
WO2020234033A1 (fr) 2020-11-26
US12045763B2 (en) 2024-07-23
US20220245578A1 (en) 2022-08-04
CN113841428B (zh) 2024-09-24
DE102019113227A1 (de) 2020-11-26
CN113841428A (zh) 2021-12-24

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