EP4226226A1 - Procédé et système de transmission radio de données relatives à une installation de production - Google Patents

Procédé et système de transmission radio de données relatives à une installation de production

Info

Publication number
EP4226226A1
EP4226226A1 EP21815372.4A EP21815372A EP4226226A1 EP 4226226 A1 EP4226226 A1 EP 4226226A1 EP 21815372 A EP21815372 A EP 21815372A EP 4226226 A1 EP4226226 A1 EP 4226226A1
Authority
EP
European Patent Office
Prior art keywords
radio channel
reflector
channel model
production
ris
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.)
Withdrawn
Application number
EP21815372.4A
Other languages
German (de)
English (en)
Inventor
Martin Schiefer
Janos Gila
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.)
Siemens AG Oesterreich
Original Assignee
Siemens AG Oesterreich
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 Siemens AG Oesterreich filed Critical Siemens AG Oesterreich
Publication of EP4226226A1 publication Critical patent/EP4226226A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
    • 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
    • G01S5/0284—Relative positioning
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4189—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system
    • G05B19/41895—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system using automatic guided vehicles [AGV]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3913—Predictive models, e.g. based on neural network models
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/04013—Intelligent reflective surfaces
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31006—Monitoring of vehicle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/005—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using remotely controlled antenna positioning or scanning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/145—Passive relay systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/60—Electric or hybrid propulsion means for production processes

Definitions

  • the invention relates to a computer-implemented method and a system for radio transmission of data from a production facility from a transmitter via a controllable reflector to a receiver.
  • the invention also relates to a corresponding computer program, an electronically readable data carrier and a data carrier signal.
  • radio systems are also available, but in an industrial environment such as in a hall with many machines, which usually form a large number of points for reflections and shadows for radio waves. Furthermore, there is not always direct line of sight between a transmitting and a receiving unit. These influences mentioned can ensure that a radio transmission, especially at higher frequencies, which usually have a large bandwidth, a allow low latency, small size, low complexity and low costs for the radio system is adversely affected and the availability of the production system is insufficient.
  • the number of radio modules can be increased, but this can lead to high infrastructure costs.
  • a so-called intelligent reflector can be placed between the transmitter and receiver, which reflects the radio waves in a targeted manner, resulting in an improved radio connection between the transmitter and receiver.
  • the radio channel has unknown radio channel parameters, which have to be recorded in a costly and time-consuming manner.
  • radio channel parameters determined in this way are only valid for a system configuration in a hall and must be redetermined for a changed configuration.
  • the object of the invention is to overcome the disadvantages mentioned and to provide a solution which allows improved mobility of a system configuration when using radio communication.
  • the object according to the invention is achieved by a device of the type mentioned at the outset, with at least one radio channel model based on machine learning for the production plant between the transmitter and the receiver being carried by a processor is generated and trained in a memory, with a respective radio channel model being determined for a configuration of systems in the production system, and a current configuration of systems in the production system being determined, and the reflector being controlled for the current configuration with the aid of the radio channel model determined, and the Data are transmitted from the transmitter via the reflector to the receiver.
  • the invention achieves an improved radio connection when the production system is reconfigured with machines. If a machine is rearranged, machine learning can be used to determine a favorable position for the reflector, through which good radio transmission between the transmitter and receiver is achieved via the reflector.
  • the controllable reflector can be formed, for example, by an electrically controllable, physical one-part or multi-part reflector surface on metal or by one or more electronically controllable antenna elements, which can also have reflector elements and director elements.
  • a reflector for example in the high-frequency gigahertz range as a variably controllable antenna array, which has a controllable complex resistance at the base of the antenna.
  • controllable reflector is understood as meaning a device which receives electromagnetic waves, for example from one direction, and reflects them entirely or only partially in a targeted manner in another direction and/or vice versa.
  • a reflector surface of a controllable reflector is not just a geometric surface. stood, but also the aperture or the directivity of the steerable reflector.
  • a variably definable reflection characteristic or pattern for the controllable reflector can be achieved by electronic control of one or more reflector elements, for example with the help of phase-shifting elements or components in the control of the controllable reflector.
  • the current configuration of the reflector or the reflector surface can be transmitted using a wireless or wired communication channel in order to control the controllable reflector in the current configuration using appropriate control means.
  • a movement trajectory of the configuration changes is determined between a previous, known configuration of plants of the production plant and the current configuration, and a respective configuration of plants and building information of the Production plant is determined for which the reflector mithil fe the corresponding radio channel model is controlled.
  • a radio system can be designed very simply or optimally, which simplifies the system, is inexpensive and allows robust data transmission during operation, which responds very dynamically to a change in the configuration. configuration of the machine locations or the interior.
  • system redundancy can even be dispensed with.
  • the current configuration additionally includes information regarding the building and/or the interior and/or the machine geometry of the production plant.
  • the environment of the respective installation is also taken into account when determining the radio channel model during a change in the configuration of the installation.
  • the radio channel model for a particular production step is determined by the processor and the reflector is controlled using the corresponding radio channel model for the particular production step.
  • a known new configuration can be used to determine the subsequent radio channel model in a particularly simple manner using artificial intelligence, which is particularly advantageous along trajectories.
  • Trajectories can be determined in a simple manner, for example, for mobile machines with a predetermined course of movement.
  • a ray tracing method is taken into account by the processor when determining the radio channel model.
  • the number of radio channel models to be determined can be reduced and the efficiency of the calculation can be improved.
  • the respective position is determined at least partially for the systems of the production system and is taken into account when determining the radio channel model.
  • the current quality of the radio communication between the transmitter and the receiver is taken into account when determining the radio channel model, for example in order to carry out a validation with an existing radio channel model.
  • the radio channel model is determined in the cloud, controlled by the processor.
  • the local system can be optimized and computationally intensive processes can be carried out using an efficient cloud system.
  • the object of the invention is also achieved by a computer program comprising commands which, when executed by a computer, cause the computer to carry out the method according to the invention.
  • the object of the invention is also achieved by an electronically readable data carrier with readable control information stored thereon, which comprises at least the computer program according to the invention and is designed in such a way that when the data carrier is used in a computing device, it carries out a method according to the invention.
  • the object of the invention is also achieved by a data carrier signal which transmits the computer program according to the invention.
  • the object of the invention is also achieved by a system for radio transmission of data from a production plant from a transmitter via at least one controllable reflector to a receiver, the system having a processor with a memory, which processor is set up to generate at least one radio channel model for the production plant to generate and train between the transmitter and the receiver, in each case a radio channel model for a configuration of systems and building information of the production system is available, and the processor is also set up to carry out the method from.
  • the transmitter and the reflector are arranged locally at the same positions in each case in different configurations of systems and building information.
  • the transmitter and the reflector are connected to the system by a wired data transmission system.
  • Fig. 1 a first example for a configuration of
  • Fig. 2 a second example for a configuration of
  • Fig. 1 shows a first example of a configuration of systems in the form of machines M10-M15, M21-M25 of a production system S, which is arranged within a production system F, such as an industrial hall.
  • the figure shows a schematic view from above, bearing in mind that the transmitter and/or the controllable reflector RIS should advantageously be fixed high above the ground in order to have a direct line of sight to the machines M10-M15, M21-M25 if possible enable .
  • a current configuration can therefore include information regarding the building of the production plant F and/or the interior and/or the machine geometry of the production plant F.
  • a robot arm Mi 1 uses the machines M12 to M15 to machine a workpiece.
  • the M12 machine can drill
  • the M13 machine can mill
  • the M14 machine can polish
  • the M15 machine can drive screws.
  • a mobile transport machine MI O transports the machined workpiece to a next manufacturing step.
  • a movement trajectory TI can be seen in the figure, along which the transport machine MI O moves from one production step to a subsequent production step.
  • a robot arm M21 in turn pulls in the machines M22 to M25 to process the workpiece.
  • the M22 machine can glue
  • the M13 machine can rivet
  • the M14 machine can pretreat surfaces with chemicals
  • the M15 machine can screw.
  • a processor P with a memory is connected to a transmitter RI, for example a WLAN base station, by wire, with a distance also being provided between the processor P and the transmitter RI due to corresponding installation requirements.
  • a transmitter RI for example a WLAN base station
  • each machine is equipped with its own radio module R10-R15 or R21-R25, with which the respective system can communicate with a central control unit. It is clear that there can also be a direct line-of-sight radio link between the transmitter RI and one or more receivers R10-R15, R21-R25.
  • the transmitter RI emits a transmission signal with the data from the production facility F, which reflected by the reflector RIS and received by the corresponding receiver R10-R15 or R21-R25.
  • At least one radio channel model based on machine learning for the production plant F between the transmitter RI and the receiver R10-R15, R21-R25 is generated and trained by the processor P with the memory.
  • a radio channel model for a configuration of plant parts M10-M15, M21-M25 of the production plant F is determined in each case.
  • the reflector RIS is controlled using the determined radio channel model.
  • the controllable reflector RIS is provided, which can influence the radio channels.
  • the processor P can be connected to a cloud in order, for example, to carry out complex calculations such as determining a radio channel model in the cloud, which are controlled by the processor P.
  • Production step within a manufacturing process for a workpiece or a product can be done by the processor (P).
  • the reflector RIS is controlled using the appropriate radio channel model for the respective production step.
  • a ray tracing method can be taken into account by the processor P when determining the radio channel model.
  • the respective current position for the plant parts M10-M15, M21-M25 of the production plant F can be determined and taken into account when determining the radio channel model.
  • the controllable reflector RIS can be an electromagnetic mirror, for example, which can be rotated horizontally and/or tilted vertically by means of servomotors.
  • the antenna characteristic of the reflector RIS can be changed by electronic means; the mechanical position can remain unchanged.
  • Means for controlling an antenna characteristic can be, for example, PIN or varactor diodes, as well as semiconductor or MEMS components.
  • machines M10-M15, M21-M25 in a designated position within the production facility F have a good radio connection to the central control device.
  • the reflector RIS is controlled in rotation and pivoting by the processor P, with a wired communication channel C being available for this purpose, since it is provided in this example that the processor P and the reflector RIS are installed at a fixed location, while the system parts M10-M15, M21-M25 are configurable, i.e. movable.
  • the communication channel C can also be used to transmit control information for controlling the antenna characteristic by electronic means of the reflector RIS.
  • the communication channel can also be carried out by wireless radio transmission instead of wired transmission, for example using Bluetooth, ZigBee, Wireless HART or the like.
  • the machines M10-M15, M21-M25, the processor P and the respective radio modules RI, R10-R15, R21-R25 form a system S with a first configuration, which includes the current location or the current position of the machines.
  • a movement trajectory TI of the configuration changes can be determined between a previous, known configuration of the plant parts M10-M15, M21-M25 of the production plant F and the current configuration.
  • a respective configuration of the system parts M10-M15, M21-M25 and building information of the production system F is determined at selected interpolation points along the movement tra ectory TI, for which the reflector RIS is controlled using the corresponding radio channel model.
  • control devices for controlling the machines or other systems used to manufacture a tool Pieces are required by the production plant F, not shown for a better understanding of the invention.
  • radio connections are symbolically indicated by dashed lines, it being clear that multipath propagation across a number of reflection points is included in a real radio connection.
  • the function of a transmitter or receiver is a current function of the respective radio module at a specific point in time, which of course can also communicate in the opposite direction.
  • a radio module R10-R15, R21-R25 of an associated machine M10-M15, M21-M25 can also be in the function of a transmitter at a time, and the radio module RI of the associated processor P accordingly in the function of a receiver.
  • Fig. 2 shows a second example for a further configuration of the systems of the production system F, with the current location or the current position of the machines R10-R15, R21-R25 being changed.
  • a trajectory T2 of the mobile transport machine MIO has a changed course.
  • the changed positions can lead to the radio channels running differently or, for example, to unwanted interference from shadows or reflections on other machines or parts of the building.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Electromagnetism (AREA)
  • General Factory Administration (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Procédé mis en œuvre par ordinateur de transmission radio de données relatives à une installation de production (F) d'un émetteur (R1) à un récepteur (R10-R15, R21-R25) par l'intermédiaire d'un réflecteur (RIS). Selon l'invention, au moins un modèle de canal radio est produit et entraîné sur la base d'un apprentissage machine pour l'installation de production (F) entre l'émetteur (R1) et le récepteur (R10-R15, R21-R25), par un processeur (P) avec une mémoire, respectivement un modèle de canal radio est déterminé pour une configuration des appareils (M10-M15, M21-M25) de l'installation de production (F), une configuration courante des appareils (M10-M15, M21-M25) de l'installation de production (F) est déterminée, le réflecteur (RIS) est commandé à l'aide du modèle de canal radio déterminé, pour la configuration courante, et les données sont transmises de l'émetteur (R1) au récepteur (R10-R15, R21-R25) par l'intermédiaire du réflecteur (RIS).
EP21815372.4A 2020-11-12 2021-11-08 Procédé et système de transmission radio de données relatives à une installation de production Withdrawn EP4226226A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20207112.2A EP4002029B1 (fr) 2020-11-12 2020-11-12 Procédé et système de transmission radio de données dans une installation de production
PCT/EP2021/080934 WO2022101135A1 (fr) 2020-11-12 2021-11-08 Procédé et système de transmission radio de données relatives à une installation de production

Publications (1)

Publication Number Publication Date
EP4226226A1 true EP4226226A1 (fr) 2023-08-16

Family

ID=73401342

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20207112.2A Active EP4002029B1 (fr) 2020-11-12 2020-11-12 Procédé et système de transmission radio de données dans une installation de production
EP21815372.4A Withdrawn EP4226226A1 (fr) 2020-11-12 2021-11-08 Procédé et système de transmission radio de données relatives à une installation de production

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20207112.2A Active EP4002029B1 (fr) 2020-11-12 2020-11-12 Procédé et système de transmission radio de données dans une installation de production

Country Status (4)

Country Link
US (1) US12442887B2 (fr)
EP (2) EP4002029B1 (fr)
CN (1) CN116685920B (fr)
WO (1) WO2022101135A1 (fr)

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Also Published As

Publication number Publication date
CN116685920B (zh) 2026-02-27
CN116685920A (zh) 2023-09-01
US20240012091A1 (en) 2024-01-11
US12442887B2 (en) 2025-10-14
EP4002029B1 (fr) 2023-09-20
EP4002029A1 (fr) 2022-05-25
WO2022101135A1 (fr) 2022-05-19

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