WO2025252425A1 - Procédé et systeme pour l'identification d'un couplage approprié entre un véhicule tracteur et un véhicule tracté - Google Patents

Procédé et systeme pour l'identification d'un couplage approprié entre un véhicule tracteur et un véhicule tracté

Info

Publication number
WO2025252425A1
WO2025252425A1 PCT/EP2025/063313 EP2025063313W WO2025252425A1 WO 2025252425 A1 WO2025252425 A1 WO 2025252425A1 EP 2025063313 W EP2025063313 W EP 2025063313W WO 2025252425 A1 WO2025252425 A1 WO 2025252425A1
Authority
WO
WIPO (PCT)
Prior art keywords
trailer
truck
information
telematics device
central unit
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
PCT/EP2025/063313
Other languages
English (en)
Inventor
Venkatraman KRISHNAMOORTHY
John Felix CHARLES JOSEPH
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 Global GmbH
Original Assignee
ZF CV Systems Global GmbH
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 Global GmbH filed Critical ZF CV Systems Global GmbH
Publication of WO2025252425A1 publication Critical patent/WO2025252425A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • 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

Definitions

  • the invention relates to the field of commercial vehicles and in particular to a coupling between a towing vehicle and a trailer vehicle.
  • a towing vehicle like a truck, is used to couple and move a trailer vehicle.
  • the towing vehicle and the trailer vehicle are preferably each configured as a commercial vehicle.
  • Towing vehicles referred to herein are for example semi-trailer tractors, which are also referred to as trucks.
  • Trailer vehicles referred to herein are preferably semi-trailers, which are also referred to as trailers.
  • connections are predominantly made when coupling or uncoupling a trailer vehicle to a towing vehicle.
  • a mechanical connection which can also be called a towing connection
  • a towing connection is first realized between the towing vehicle and the trailer vehicle with the aid of a mechanical coupling.
  • further connections namely pneumatic and electrical connections, must be established between the towing vehicle and the trailer vehicle in order to enable various functions of a towing vehicle and a trailer vehicle combination and to make the combination ready for driving.
  • order data is prepared in paper form for the driver.
  • the order data includes, for example, unique identifier of the trailer, such as a license plate or a designation that is attached to outside of the trailer.
  • trailer vehicles and/or towing vehicles include so called telematics systems to send their status to the remote central unit.
  • trailers with their telematics device send loca- tion data to the remote central unit and based on a first location of a towing vehicle a score is calculated, which estimates a measure of association of the trailer with the towing vehicle. Consequently, based on the score, one trailer is associated with the towing vehicle indicating that a trailer with a defined score is physically coupled with the towing vehicle.
  • Fleet operators can thus monitor a coupling status. For example, the fleet operator can dial into the remote central unit and retrieve the data indicating the coupling status and in particular, that the correct trailer was coupled. Depending on the frequency, with which such coupling statuses between trailer and towing vehicle are checked, incorrectly coupled trailers are sometimes detected late. The fleet operator then has the option to contact the driver, for example via a mobile phone and report the error. Such errors can also be detected at the exit gate of a fleet or yard, if it becomes apparent that an incorrect trailer has been coupled. However, resetting the incorrectly coupled trailer and finding and coupling the correct trailer takes a lot of time and is laborious.
  • the purpose of the present invention is therefore to overcome the problems of the prior art.
  • a possibility is to be found to identify an incorrectly coupled trailer as early as possible.
  • an alternative to the known prior art is to be identified.
  • the invention thus relates to a method for identification of a proper truck trailer coupling according to claim 1 .
  • the invention is directed to a method with which a coupling between a towing vehicle, for example a truck, and a trailer vehicle, for example a trailer or a semi-trailer, is identified.
  • a towing vehicle for example a truck
  • a trailer vehicle for example a trailer or a semi-trailer
  • the method comprises several steps.
  • a remote central unit which is for example a central server, in particular of a cloud system, receives truck information from a truck telematics device of the towing vehicle. Consequently, the towing vehicle, namely the truck, sends the truck information to the remote central unit. Further, the method comprises receiving a trailer information of a trailer telematics device by the remote central unit. Consequently, the trailer information is sent by the trailer telematics of the trailer vehicle. Moreover, the method comprises to verify whether the received truck information matches with the received trailer information by the remote central unit.
  • a remote central unit which is remote from the truck and the trailer, and for example a central server of a cloud system or another part of the cloud system, receives, in particular via long distance transmission or remote transmission, the truck information and the trailer information and then verifies whether the received truck information matches with the received trailer information.
  • the method comprises sending a confirmation to the truck telematics device and/or the trailer telematics device by the remote central unit, when the truck information matches with the trailer information and thus the verification is successful.
  • the remote central unit sends an error message or failure notification, if the truck information does not match with the trailer information.
  • the remote central unit comprises a data base, which is for example provided by a fleet manager or fleet management system.
  • the data base comprises data on which the verification is executed.
  • a fleet management system provides an identification number of a trailer and an identification number of a truck, which should be coupled and verification is based on this information and on the information received from the truck and the trailer.
  • the data in the remote central unit based on which verification is executed is sent by the telematics device of the truck or the trailer.
  • the truck comprises in its telematics device an identification number of a trailer, which should be coupled. Therefore, the truck sends the truck information and further information of the trailer to be coupled.
  • the trailer telematics device sends the trailer information to the remote central unit and then the remote central unit executes the verifying step and sends a confirmation or error message to the truck.
  • the verification is based on information received from the truck and information received from the trailer independently. Consequently, without direct connection between the truck and the trailer, for example by near range transmission or cable, it is possible that the verification process can start before such a data connection is established between the trailer and the truck. Consequently, the verification process can start very early.
  • the towing vehicle executes an action.
  • the truck waits for a predefined period of time. If the truck does not receive a confirmation within the period of time, the truck assumes that no proper coupling occurred.
  • an action is executed.
  • the action is to indicate the confirmation to the driver, in particular by a display or a lamp. Moreover, preferably an indication that no proper coupling is displayed when an error message is received.
  • the driver gets an indication, if a proper trailer coupling has occurred and thus, the driver can be sure that he has the correct trailer coupled to the towing vehicle.
  • the truck information comprises a truck identification of the truck and the trailer information comprises an trailer identification of the trailer.
  • An identification is for example a serial number or another letter and/or number code, which is unique for the truck or the trailer, respectively.
  • verification is securely executable.
  • the truck telematics device sends the truck information after the truck telematics device observes an assumed coupling process.
  • the truck information will be sent.
  • the assumed coupling process is observed when a reverse gear of the towing vehicle is engaged.
  • the telematics device gets an information when a reverse gear is engaged, automatically observes this situation as an assumed coupling process and consecutively sends the truck information to the cloud system. Consequently, a defined triggering of the transmission of the truck information is provided and the truck information has not to be send continu- ously. Further, the truck information can be sent before a towing connection is established and thus, the verification of the coupling can be executed very early.
  • the trailer telematics device sends the trailer information for receiving after the trailer telematics device observes an assumed coupling process.
  • the trailer telematics device observes an assumed coupling process, when an acceleration or movement of the trailer vehicle is observed with the trailer telematics device.
  • the acceleration or movement is observed in particular dependent on signals of an inertial measurement unit (IM U) or an accelerometer of the trailer.
  • IM U inertial measurement unit
  • the trailer when a truck approaches the trailer for a mechanical connection between the truck and the trailer, the trailer is pressed back slightly or jerkily by the truck.
  • This movement or acceleration can be detected by an inertial measurement unit of the trailer and be used for example to trigger or to wake up a trailer telematics device, which is in a stand-by or sleep mode. Further, the trailer telematics device can then after wake up or after receiving the information from the inertial measurement unit about the acceleration or the movement send the trailer information to the remote central unit.
  • the truck and/or trailer information is sent when a coupling of an electrical connection and/or a data connection between the truck and the trailer occurs or is detected.
  • a further instance is provided to securely send the information to the remote central unit.
  • the trailer telematics device and/or truck telematics device wakes up from a sleep mode when an assumed coupling or a coupling is observed by the trailer telematics device or the truck telematics device respectively.
  • the truck information comprises a time stamp and/or the trailer information comprises a time stamp based on a navigation satellite time, like GPS-time of a navigation satellite system, like GPS.
  • a navigation satellite time like GPS-time of a navigation satellite system, like GPS.
  • the trailer telematics device observes a coupling or an assumed coupling process, preferably is started or activated, an actual navigation satellite time, like GPS-time, is received.
  • a start of the trailer telematics device corresponds for example to a wake up of the trailer telematics device from a stand-by mode..
  • the trailer information then comprises the received navigation satellite time, for example the GPS-time, as a time stamp.
  • the truck telematics device receives an actual navigation satellite time, like GPStime, from a navigation satellite system, like a GPS, when a coupling or an assumed coupling is observed and sends the received time as a time stamp with the truck information.
  • the trailer information thus comprise a trailer identification and a time stamp based on the navigation satellite time and the truck information comprises the truck identification and a truck time stamp based on the navigation satellite time.
  • the control unit in particular the central server or cloud server of a cloud system, then compares the time stamps.
  • the times or time stamps are not further apart than a specific time threshold, a coupling is assumed in the remote central unit and the verification is carried out.
  • the time stamps are further apart, it is not assumed that the truck and the trailer are coupled and the verification is not carried out.
  • an error message is then sent to the truck telematics device and/or trailer telematics device.
  • the truck information is sent by the truck telematics device to the remote central unit and/or to the trailer telematics device and the trailer information is sent from the trailer telematics device to the truck telematics device and/or the remote central unit.
  • the truck information comprises unique data, which are based on a truck activity, which is preferably received over a CAN from the truck or from components of the truck.
  • the truck activity may for example be a position comprising coordinates of the truck, an actual speed or other data relating to the truck.
  • the trailer information comprise unique data of the trailer based on trailer activity, which are preferably received over a CAN from a component of the trailer by the trailer telematics device.
  • the trailer information received by the truck telematics device is then verified with the truck telematics device and/or the truck information received by the trailer telematics device is verified with the trailer telematics device.
  • a remote central unit for identification of a proper coupling between a towing vehicle and a trailer vehicle.
  • the remote central unit is for example a central server, in particular a central server of a cloud service.
  • the remote central unit is arranged for performing the method according to the first aspect. Consequently, the remote central unit is arranged for receiving a truck information from a truck telematics device of a towing vehicle and receiving a trailer information from trailer telematics device. Further, the remote central unit is configured for verifying whether the received truck information matches with the received trailer information and for sending a confirmation to the truck telematics device and/or the trailer telematics device when the truck information matches with the trailer information.
  • a towing vehicle namely a truck
  • the towing vehicle comprises a truck telematics device, which is arranged to send truck information from the towing vehicle to a remote central unit, in particular by a wireless remote connection, and to receive a confirmation from the remote central unit, if the truck information matches with trailer information of a coupled or to be coupled trailer.
  • the towing vehicle is arranged to execute an action depending on a confirmation received from the remote central unit.
  • the action comprises preferably to indicate the confirmation by an indicator, in particular a display.
  • a system comprising a remote central unit according to the second aspect and a towing vehicle according to the third aspect.
  • the system comprises a trailer vehicle.
  • the system is arranged for executing the method according to the first aspect.
  • Fig. 1 a first embodiment of the method
  • Fig. 2 a second embodiment of the method
  • Fig. 3 a third embodiment of the method
  • Fig. 4 a fourth embodiment of the method.
  • Fig. 1 discloses a first embodiment of the method 150 executed by a system 10.
  • the system 10 comprises a towing vehicle 12, namely a truck, a trailer vehicle 14, namely a trailer, and a remote central unit 16, which is a cloud server 18.
  • the truck 12 comprises a truck telematics device 20 and the trailer 14 comprises a trailer telematics device 22.
  • the remote central unit 16, the truck telematics device 20 and the trailer telematics device 22 are parts of a cloud system 24.
  • a driver 26 is exemplary shown.
  • step 30 the driver 26 engage a reverse gear to initiate a truck trailer coupling and the truck telematics device 20 detects that the reverse gear is initiated.
  • step 30 towing vehicle 12 and trailing vehicle 14 are uncoupled 31. Consequently, the truck 12 observes an assumed coupling process 33 and thus in step 32, the truck 12 sends a truck information 34 from the truck telematics device 20 to the remote central unit 16, wherein the remote central unit 16 receives the truck information 34.
  • step 32 starts the trailer telematics device 22 is still in a standby mode 35.
  • the truck information 34 comprises a truck identification 36.
  • step 38 the remote central unit 16 waits for a trailer information 48.
  • the truck 12 contacts the trailer in step 40.
  • the trailer 14 is coupled 41 after step 40 is finished.
  • an acceleration is detected by the trailer telematics device 22 in step 42.
  • the trailer telematics device 22 wakes up 45 or is powered on from a standby mode 35.
  • the trailer telematics device 22 sends trailer information 48 comprising a trailer identification 50 to the remote central unit 16.
  • the remote central unit 16 verifies whether the received truck information 34 matches with the received trailer information 48.
  • the remote central unit 16 sends a confirmation 55 to the truck telematics device 20 that a proper coupling occurred.
  • the truck telematics device 20 indicates the proper coupling to the driver 26.
  • Fig. 2 shows a similar system 10 and vertical arrow 28, but a method 150 to a second embodiment.
  • step 30 which is similar to Fig. 1
  • a reverse gear is engaged to couple a truck 12 with a trailer 14.
  • the truck 12 starts coupling with the trailer 14. This step is similar to step 40 in Fig. 1 .
  • the truck telematics device 20 in step 65 updates a coupling time as a time stamp 68 based on a satellite navigation time 69 received from a satellite navigation system 64.
  • the truck information 34 is sent in step 66 to the remote central unit comprising the truck identification 36 and further the time stamp 68.
  • the remote central unit 16 waits in step 70 for the trailer information 48. Consequently, this step is similar to step 38 as shown in Fig. 1 .
  • step 72 the trailer telematics device 22 wakes up similar to step 42 in Fig. 1 by an acceleration event after step 62 is finished.
  • step 74 the trailer telematics device 22 generates an actual time stamp 75 from an actual satellite navigation time 69 and sends in step 76 the trailer information 48 to the remote central unit 16 comprising at least the trailer identification 50 and the time stamp 75.
  • step 78 after verification in step 52, a confirmation 55 is sent to the truck telematics device 20 from the remote central unit 16 and in step 80, a driver 26 is informed to the proper coupling.
  • Fig. 3 discloses a third embodiment of the method 150.
  • Fig. 3 shows a similar system 10 as in Figs. 1 and 2 and the vertical arrow 28 as time line.
  • the driver 26 engages the reverse gear to initiate a truck trailer coupling.
  • step 82 which is similar to step 62 and 40, the truck 12 starts to couple with the trailer 14 so that at the end of step 82 the truck 12 contacts the trailer 14 and is coupled 41 mechanically.
  • the driver 26 connects the electrical and pneumatic lines between the truck 12 and the trailer 14.
  • the truck 12 receives a trailer identification 50 via the electrical line in step 85. Consequently, in step 86, the truck 12 sends the truck information 34 to the remote central unit 16.
  • the truck information 34 now comprise the trailer identification 50.
  • step 88 the trailer telematics device 22 is powered on in step 88. Consequently, in step 90 the trailer 14 sends trailer information 48 to the remote central unit 16, which already waits in step 38 for the trailer information 48.
  • step 52 a verification by the remote central unit 16 is executed and in step 96, which is similar to steps 54 and 78, the truck telematics device 20 is informed by a confirmation about a proper coupling.
  • step 98 the driver 26 is indicated that a proper coupling has occurred.
  • Fig. 4 discloses a fourth embodiment of the method 150 executed with a system 10 similar to a system 10 as already shown in the Figs. 1 to 3.
  • step 30 a reverse gear is engaged and in step 100, the truck 12 couples with the trailer 14.
  • Step 100 is similar to steps 40, 60 and 82.
  • step 102 which is similar to step 84 of Fig. 3
  • electrical and pneumatic lines between the truck 12 and the trailer 14 are connected by the driver 26.
  • step 104 which is similar to step 88, the trailer telematics device 22 is powered on by the connection and the truck 12 sends truck information 34 to the remote central unit 16 in step 105.
  • the truck information 34 comprise unique data 106, which are for example based on a truck activity.
  • the trailer 14 sends after being powered on in step 110 trailer information 48 comprising unique data 112, which are unique for the trailer 14 and are based on a trailer activity.
  • trailer information 48 comprising unique data 112, which are unique for the trailer 14 and are based on a trailer activity.
  • the remote central unit 16 verifies in step 52 whether the received truck information 34 matches with the received trailer information 48.
  • the truck telematics device 20 sends the truck information 34 to the trailer telematics device 22 and in step 120, the trailer telematics device 22 sends the trailer information 48 to the truck telematics device 20.
  • steps 122 and 124 the truck telematics device 20 and the trailer telematics device 22 respectively verify the received information 34, 48.
  • step 126 the remote central unit 16 informs the truck telematics device 20 over a proper coupling. If the verification in steps 52, 122 and 124 is successful, the driver 26 is indicated in step 128 that a proper coupling has occurred. List of reference signs (Part of the description)
  • 64 satellite navigation system update coupling time truck information is send to remote central unit time stamp satellite navigation time remote central unit waits for trailer information trailer telematics device wakes up trailer telematics device receives time stamp time stamp trailer telematics device sends trailer information confirmation is sent to the truck driver is informed to the proper coupling truck is coupled with trailer driver connects electrical and pneumatic lines between truck and trailer truck receives trailer identification truck sends truck information trailer telematics device is powered on trailer sends trailer information truck telematics device is informed by confirmation about proper coupling driver is indicated that proper coupling has occurred truck is coupled with trailer electrical and pneumatic lines are connected trailer telematics device is powered on truck sends truck information to remote central unit unique data trailer sends trailer information unique data remote central unit verifies whether truck information matches with trailer information truck telematics device sends truck information trailer telematics device sends trailer information trailer telematics device verify information truck telematics device verify information remote central unit informs truck telematics device driver is indicated that proper coupling has occurred method

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un procédé (150) permettant d'identifier un couplage correct entre un véhicule tracteur (12) et un véhicule tracté (14). À l'étape a), les informations relatives au véhicule (34) provenant du dispositif télématique (20) du véhicule tracteur (12) sont reçues par une unité centrale distante (16). À l'étape b), une information relative au remorquage (48) provenant du dispositif télématique de remorquage (22) est reçue par l'unité centrale à distance (16). À l'étape c), l'unité centrale distante (16) vérifie si les informations reçues concernant le véhicule (34) correspondent aux informations reçues concernant le remorquage (48). À l'étape d), une confirmation (55) est envoyée au dispositif télématique du véhicule (20) et/ou au dispositif télématique du véhicule tracteur (22) par l'unité centrale à distance (16) lorsque les informations du véhicule (34) correspondent aux informations du véhicule tracteur (48). L'invention concerne en outre une unité centrale à distance (16) pour l'identification d'un attelage correct entre un véhicule tracteur (12) et un véhicule remorqué (14), un véhicule tracteur (14) et un système (10) pour l'identification d'un attelage correct entre un véhicule tracteur (12) et un véhicule tracté (14).
PCT/EP2025/063313 2024-06-07 2025-05-15 Procédé et systeme pour l'identification d'un couplage approprié entre un véhicule tracteur et un véhicule tracté Pending WO2025252425A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202411044340 2024-06-07
IN202411044340 2024-06-07

Publications (1)

Publication Number Publication Date
WO2025252425A1 true WO2025252425A1 (fr) 2025-12-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2025/063313 Pending WO2025252425A1 (fr) 2024-06-07 2025-05-15 Procédé et systeme pour l'identification d'un couplage approprié entre un véhicule tracteur et un véhicule tracté

Country Status (1)

Country Link
WO (1) WO2025252425A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10173486B1 (en) 2017-11-15 2019-01-08 Samsara Networks Inc. Method and apparatus for automatically deducing a trailer is physically coupled with a vehicle
US20200070724A1 (en) * 2018-09-04 2020-03-05 Volkswagen Aktiengesellschaft Method and system for automatically detecting a coupling maneuver of a transportation vehicle to a trailer
WO2023094123A1 (fr) * 2021-11-25 2023-06-01 Zf Cv Systems Global Gmbh Procédé de détermination de l'état d'attelage d'un attelage de remorque, ensemble de détermination d'état et véhicule
WO2023172428A1 (fr) * 2022-03-09 2023-09-14 Ametek, Inc. Système de vérification de tracteur à remorque
US20230368671A1 (en) * 2022-05-16 2023-11-16 Geotab Inc. Associating a telematics device with an asset tracker
US20240084625A1 (en) * 2022-09-08 2024-03-14 Drivertech, Llc Access devices for semi-trailers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10173486B1 (en) 2017-11-15 2019-01-08 Samsara Networks Inc. Method and apparatus for automatically deducing a trailer is physically coupled with a vehicle
US20200070724A1 (en) * 2018-09-04 2020-03-05 Volkswagen Aktiengesellschaft Method and system for automatically detecting a coupling maneuver of a transportation vehicle to a trailer
WO2023094123A1 (fr) * 2021-11-25 2023-06-01 Zf Cv Systems Global Gmbh Procédé de détermination de l'état d'attelage d'un attelage de remorque, ensemble de détermination d'état et véhicule
WO2023172428A1 (fr) * 2022-03-09 2023-09-14 Ametek, Inc. Système de vérification de tracteur à remorque
US20230368671A1 (en) * 2022-05-16 2023-11-16 Geotab Inc. Associating a telematics device with an asset tracker
US20240084625A1 (en) * 2022-09-08 2024-03-14 Drivertech, Llc Access devices for semi-trailers

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