EP4305444A1 - Station de base à bande ultra large comprenant une double antenne - Google Patents

Station de base à bande ultra large comprenant une double antenne

Info

Publication number
EP4305444A1
EP4305444A1 EP22713592.8A EP22713592A EP4305444A1 EP 4305444 A1 EP4305444 A1 EP 4305444A1 EP 22713592 A EP22713592 A EP 22713592A EP 4305444 A1 EP4305444 A1 EP 4305444A1
Authority
EP
European Patent Office
Prior art keywords
uwb
anchor
antenna
mobile unit
antennas
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
EP22713592.8A
Other languages
German (de)
English (en)
Inventor
Eberhard Wahl
Andreas Schumacher
Erik MADEMANN
Christoph GÖTZE
Markus Scholz
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.)
Trumpf Werkzeugmaschinen SE and Co KG
Zigpos GmbH
Original Assignee
Trumpf Werkzeugmaschinen SE and Co KG
Zigpos 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 Trumpf Werkzeugmaschinen SE and Co KG, Zigpos GmbH filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Publication of EP4305444A1 publication Critical patent/EP4305444A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0221—Receivers
    • G01S5/02213—Receivers arranged in a network for determining the position of a transmitter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
    • G01S3/18—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived directly from separate directional antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems

Definitions

  • the invention relates to an ultra-wideband (UWB) anchor units for locating Mobilein, in an interior, especially in an industrial production.
  • the invention further relates to a positioning system with several such UWB anchors.
  • the invention relates to a method for locating mobile units in an interior space, in particular in an industrial production facility.
  • An interior space can be, for example, a sales room (retail) or a room in a healthcare facility, but in particular a room in industrial production.
  • industrial production particularly in the form of metal processing, preferably in the form of sheet metal processing, it is known to locate mobile units.
  • workers typically move around with mobile devices that cannot be precisely located in a simple manner. However, determining the location of these mobile end devices would significantly increase safety in industrial production. Furthermore, production would be easier to plan.
  • UWB anchor for locating various UWB mobile units, in particular in an industrial production, the UWB anchor having a first UWB antenna for communicating with a first UWB mobile unit and a second UWB antenna for communicating with a second UWB mobile unit.
  • the first and the second UWB mobile unit can be accommodated in one housing.
  • UWB is a radio standard used over short distances and for location in factories (industrial production). Ultra-wideband is particularly robust against interference from other radio sources and multiple reflections, which can occur frequently in factories in the metalworking industry in particular, and ensures precise location of materials, orders and navigation of driverless transport vehicles (AGV) and drones - even with obstacles such as metal reflections.
  • AGV driverless transport vehicles
  • UWB antennas per UWB anchor allow the location of different UWB mobile units ("tags” or “tag devices") with almost the same installation effort (in particular surveying effort) and maintenance effort "Parallel installation” of the "double antennas" power supply, data connection, local fixation and spatial facility can be used jointly.
  • Structure, localization, communication and / or data protocols via UWB can be done in particular according to the description of WO 2020/212722 A1, which is fully referenced is included in this application.
  • WO 2020/212722 A1 entitled “Ultra-Wideband Location Systems and Methods” was filed on April 19, 2019 and published on October 22, 2020.
  • the radiation angle of the first UWB antenna preferably essentially corresponds to the radiation angle of the second UWB antenna.
  • the radiation angle of the two (at least two) UWB antennas is preferably essentially the same in order to achieve good spatial coverage.
  • the UWB anchor can have a common housing and/or a common circuit board for the two UWB antennas. This further simplifies the installation of the UWB anchor.
  • the UWB anchor can have a common microcontroller and/or a common system on chip (SOC) for controlling the two UWB antennas.
  • SOC means the integration of all or a large part of the functions of a programmable electronic system on a chip, i.e. an integrated circuit on a semiconductor substrate, also known as monolithic integration.
  • the two UWB antennas are designed for communication in different frequency bands.
  • the separation of the frequency bands allows interference-free parallel operation.
  • the frequency bands can partially overlap. However, the frequency bands preferably do not overlap.
  • One UWB antenna is preferably designed for communication in a first frequency band, in particular around 8 GHz
  • the other UWB antenna is preferably designed for communication in a second frequency band, in particular around 4 GHz.
  • the frequency band around 8 GHz preferably has a center frequency of 7656 MHz. Only a few other radio signals interfere in the frequency band around 8 GHz. In a protected environment, especially in industrial production, local frequency usage can be managed by the building owner. Due to the lower attenuation, a frequency band around 4 GHz is preferably used here.
  • the frequency band around 4 GHz preferably has bands with center frequencies of 3432 MHz, 3960 MHz and/or 4488 MHz.
  • the object according to the invention is also achieved by a positioning system for determining the position of at least two UWB mobile units, in particular in an industrial production, the positioning system having a control device and several UWB anchors according to the invention connected to the control device.
  • the positioning system can be synchronized and clocked. At least one of the two UWB antennas is preferably clocked.
  • the locating system is designed in particular for locating per time difference of arrival (TDoA), reconfigured time off light (RToF) and/or GPS-like (inverse TdoA).
  • UWB components that comply with the IEEE 802.15.4z standard are preferably used for the UWB anchor(s) and/or the positioning system. Radio communication between the mobile units and the UWB anchors can be transmitted via existing UWB and/or Bluetooth Low Energy (BLE) and/or ZigBee.
  • BLE Bluetooth Low Energy
  • ZigBee is a specification for wireless networks with low data volumes and low power consumption, such as home automation, sensor networks, lighting technology.
  • ZigBee is based on the IEEE 802.15.4 standard and expands its functionality in particular with the option of routing and secure key exchange.
  • the UWB anchors may each have a common communication link between the UWB anchors and the controller.
  • the common communication path between the UWB anchors and the control device can be at least partially wired and/or at least partially wireless.
  • the communication path is particularly preferably designed for operation via WIFI and/or 4G or 5G.
  • 4G and 5G refer to the generations of the mobile communications standard, with 4G referring to the entire LTE (Long Term Evolution) standard, including 3.9G.
  • the positioning system can have a central software module for setting up and managing the UWB anchor. System maintenance and a system update can be carried out from a remote entity, in particular in the form of a cloud, of the positioning system by the central software module.
  • the locating system can have an end customer device, with at least one of the two mobile units being part of the end customer device.
  • the end customer device (consumer device) can be embodied in the form of a smartphone and/or a handheld device.
  • a handheld device means a device that is designed to be held in the hand of a worker, to output and display data and/or information to this worker, as well as to receive it, and to share data and information, particularly digitally and wirelessly, with others exchange devices and process data.
  • the UWB antennas can be embodied in different standards for communication.
  • the first UWB antenna can be designed for communication in a first standard and the second UWB antenna can be designed for communication in a second standard.
  • the UWB anchor is thus able to communicate via two standards at the same time.
  • a UWB antenna can be used for communication in a standard of the Car Connectivity Consortium (CCC) (see https://carconnectivity.org/) and/or the Fine Ranging (fira) Consortium (see https://www.firaconsortium.org /) be trained.
  • CCC Car Connectivity Consortium
  • fira Fine Ranging Consortium
  • the location system may include the second mobile unit.
  • Omlox is an open standard for a real-time, accurate indoor location system.
  • Omlox defines open interfaces for an interoperable localization system.
  • different brands can using a single infrastructure with disparate applications from different vendors. Because the same infrastructure is used, the total cost of ownership is reduced, allowing for easy integration of different applications.
  • a key feature of Omlox is that it enables cyber-physical facilitation, combining the integration of industrial software and hardware solutions into a common ecosystem.
  • Omlox-based UWB anchors various types of software such as a Manufacturing Executive System (MES), asset tracking and navigation with anti-collision, as well as hardware such as drones, AGVs and loading vehicles can be integrated into the localization domain.
  • MES Manufacturing Executive System
  • asset tracking and navigation with anti-collision as well as hardware such as drones, AGVs and loading vehicles can be integrated into the localization domain.
  • hardware such as drones, AGVs and loading vehicles
  • Omlox enables interoperability and flexibility for different trackable providers within one or more tracking zones.
  • Omlox achieves this through two core components: Olox Hub and Olox Core Zone.
  • the Omlox Hub enables interoperability and flexibility within different tracking zones, while the Omlox Core Zone provides interoperability and flexibility within a single tracking zone.
  • the Omlox Hub enables interoperability and flexibility across different complementary zones.
  • other tracking technologies such as RFID, 5G, BLE, WIFI and GPS are also used in production, delivery and storage. With Omlox it can be ensured that networks function smoothly and interoperably. This allows companies to easily connect applications such as production control systems, asset tracking and navigation across different site zones.
  • the Omlox hub is compatible with multiple tracking zones. Smart factories working with UWB localization zone, truck bed with GPS positioning and warehouse with WIFI positioning can be efficiently monitored with Om lox Hub.
  • the Omlox Hub enables the transfer, synchronization and alignment of maps from discrete local coordinates (mapping of SLAM and other techniques) to global geographic coordinates of a smart factory, i.e. a production environment in which manufacturing plants and logistics systems organize themselves to a large extent with little or no human intervention in order to produce the desired products.
  • SLAM means English: Simultaneous Localization and Mapping; German: Simultaneous positioning and mapping.
  • the Omlox Core Zone works with open interfaces and guarantees interoperability in the UWB area.
  • Omlox creates an interoperable infrastructure that is plug-and-play. Companies can quickly and easily network all UWB products with the Omlox standard, regardless of the manufacturer.
  • the UWB communication takes place within the Omlox Core Zone.
  • the Omlox Hub is one level above.
  • At least one UWB anchor is integrated into a smoke detector and/or into a lighting system of the locating system.
  • UWB anchors in particular all UWB anchors, are preferably integrated into a smoke detector and/or a lighting system of the locating system.
  • the invention also relates to industrial production, in particular in the form of metal processing, preferably in the form of sheet metal processing, with an anchor according to the invention.
  • the invention relates to industrial production, in particular in the form of metal processing, preferably in the form of sheet metal processing, with a locating system according to the invention.
  • the object according to the invention is also achieved by a method for locating mobile units, in particular in industrial production, with the locating being carried out using UWB anchors which each have two UWB antennas.
  • the communication preferably takes place via one of the two UWB antennas in a different frequency band than via the other of the two UWB antennas.
  • the communication particularly preferably takes place via one of the two UWB antennas in a frequency band around 8 GHz and via the other UWB antenna in a frequency band around 4 GHz.
  • the communication via the first of the two UWB antennas can take place in a first standard, in particular in the standard of the Car Connectivity Consortium (CCC) and/or the Fine Ranging (fira) Consortium.
  • the communication via the second UWB antenna can take place in a second standard, in particular in the Omlox standard. In particular, the communication can take place simultaneously in the first standard and in the second standard.
  • FIG. 1 shows a schematic view of a locating system for locating different mobile units with different UWB antennas.
  • FIG. 3 schematically shows standardized frequency ranges for the composition of the signals transmitted in FIG.
  • Fig. 1 shows an interior, in particular an industrial production facility 10, with a locating system 12 for locating a first mobile unit 14 and a second mobile unit 16.
  • the first mobile unit 14 is part of an end customer device 18, here in the form of a smartphone.
  • the second mobile unit 16 is arranged on a self-propelled vehicle 20 (AGV) or formed on the self-propelled vehicle 20 .
  • the self-propelled vehicle 20 is used to transport materials in the interior, in particular for industrial production 10.
  • the locating system 12 has UWB anchors 22a, 22b, 22c for locating the mobile units 14, 16.
  • the UWB anchors 22a-c each have a first UWB antenna 24a, 24b, 24c and a second UWB antenna 26a, 26b, 26c.
  • the first UWB antennas 24a-c are used to communicate with the first mobile unit 14 via a first standard (shown with solid arrows), the second UWB antennas 26a-c are used for communication with the second mobile unit 16 via a second standard (shown with dash-dotted arrows).
  • the UWB anchors 22a-c are connected to a controller 28 wirelessly or by wire.
  • Figure 2 shows that signaling to and from the UWB anchors 22a-c occurs at frequencies around 4 GHz and 8 MHz. More precisely, the first UWB antennas 24a-c transmit and receive at frequencies around 8 GHz and the second UWB antennas 26a-c at frequencies around 4 GHz.
  • Figure 3 shows the frequencies used by the first UWB antennas 24a-c and second UWB antennas 26a-c. 3 shows that frequency band 9 with a center frequency of 7656 MHz is preferably used by the first UWB antennas 24a-c and frequency bands 1, 2 and 3 with a center frequency of 3432 MHz are preferably used for the second UWB antennas 26a-c , 3960 MHz and 4488 MHz can be used.
  • the invention relates in summary to a UWB anchor 22a-c having a first UWB antenna 24a-c for communicating with a first mobile unit 14 and a second UWB antenna 26a-c for communicating with a mobile unit second mobile unit 16.
  • the UWB anchor 22a-c is preferably configured to communicate in different frequency bands.
  • the UWB anchor 22a-c can be part of a location system be 12
  • the invention also relates to a method for locating two different mobile units 14, 16 using UWB anchors 22a-c with two different UWB antennas 24a-c, 26a-c. ok reference list
  • second mobile unit 18 end customer device 20 self-driving vehicle 22a-c UWB anchor 24a-c first UWB antenna 26a-c second UWB antenna 28 control device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne une station de base à bande ultra large (UWB)(22a-c) comprenant une première antenne UWB (24 a-c) pour la communication avec une première unité mobile (14) et une deuxième antenne UWB (26a-c) pour la communication avec une deuxième unité mobile (16). La station de base UWB (22a-c) est de préférence conçue pour communiquer dans différentes bandes de fréquences. La station de base UWB (22a-c) peut faire partie d'un système de localisation (12). L'invention concerne en outre un procédé de localisation de deux unités mobiles différentes (14, 16) par la station de base UWB (22a-c) comportant deux antennes UWB différentes (24a-c, 26a-c).
EP22713592.8A 2021-03-11 2022-03-08 Station de base à bande ultra large comprenant une double antenne Pending EP4305444A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021202365.7A DE102021202365A1 (de) 2021-03-11 2021-03-11 UWB-Anker mit Doppelantenne
PCT/EP2022/055836 WO2022189404A1 (fr) 2021-03-11 2022-03-08 Station de base à bande ultra large comprenant une double antenne

Publications (1)

Publication Number Publication Date
EP4305444A1 true EP4305444A1 (fr) 2024-01-17

Family

ID=80978854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22713592.8A Pending EP4305444A1 (fr) 2021-03-11 2022-03-08 Station de base à bande ultra large comprenant une double antenne

Country Status (4)

Country Link
US (1) US20230417860A1 (fr)
EP (1) EP4305444A1 (fr)
DE (1) DE102021202365A1 (fr)
WO (1) WO2022189404A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8400357B2 (en) 2008-09-30 2013-03-19 Panasonic Corporation Radio arrival direction estimation device and radio arrival direction estimation method
US10111044B2 (en) 2015-05-29 2018-10-23 Verity Studios Ag Methods and systems for scheduling the transmission of localization signals and operating self-localizing apparatus
US10903566B2 (en) 2017-09-28 2021-01-26 Apple Inc. Electronic device antennas for performing angle of arrival detection
US20220210607A1 (en) * 2019-04-19 2022-06-30 Be Spoon Ultra-wideband location systems and methods
CN111865354A (zh) * 2020-06-24 2020-10-30 深圳市纽瑞芯科技有限公司 一种采用多根定向天线增强覆盖的超宽带集成电路系统

Also Published As

Publication number Publication date
US20230417860A1 (en) 2023-12-28
WO2022189404A1 (fr) 2022-09-15
DE102021202365A1 (de) 2022-10-20

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