EP1608992A1 - Procede et dispositif pour localiser des personnes - Google Patents

Procede et dispositif pour localiser des personnes

Info

Publication number
EP1608992A1
EP1608992A1 EP04725323A EP04725323A EP1608992A1 EP 1608992 A1 EP1608992 A1 EP 1608992A1 EP 04725323 A EP04725323 A EP 04725323A EP 04725323 A EP04725323 A EP 04725323A EP 1608992 A1 EP1608992 A1 EP 1608992A1
Authority
EP
European Patent Office
Prior art keywords
transmitter
monitored
area
ultra
transceiver
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Withdrawn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
EP04725323A
Other languages
German (de)
English (en)
Inventor
Peter Brettschneider
Erich Puritscher
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1608992A1 publication Critical patent/EP1608992A1/fr
Withdrawn legal-status Critical Current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
    • G01S5/12—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 by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial
    • 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
    • G01S5/0226—Transmitters
    • 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
    • G01S5/0257—Hybrid positioning
    • G01S5/0263—Hybrid positioning by combining or switching between positions derived from two or more separate positioning systems

Definitions

  • the invention relates to a method and an arrangement for locating people within an area to be monitored, in particular in confusing, impassable terrain and in closed structures above and below ground.
  • Mobile devices offer a certain remedy here, with the aid of which communication between the control center and the emergency services deployed on site is possible. An exact location in the sense that the control center is constantly aware of the exact location of the emergency services in the disaster area is not possible with this.
  • an arrangement for locating people within an area to be monitored is already known, with a plurality of base stations each equipped with transceivers, at least one of which is arranged in the area to be monitored and one of which has a transceiver at the location to be located Person must be attached.
  • the base stations are influenced depending on the location of the mobile device. They are connected by wire or radio to a monitoring computer (control center) located outside the area to be monitored, where the received signals are evaluated.
  • the transmitters In the known arrangement, the transmitters must be permanently installed in the area to be monitored if they are used.
  • the known arrangement is also disadvantageous insofar as appropriate equipment of the emergency personnel arriving in the event of a disaster must be compatible with the installed equipment.
  • the invention is based on the object of specifying a method and an arrangement for locating people within an area to be monitored, with which It is possible to precisely determine the location of people in the area to be monitored and to track their path through the area to be monitored.
  • the procedure and arrangement should only be able to be used with the help of the approaching emergency personnel.
  • This object is achieved according to the invention by a method for locating people within an area to be monitored in mobile use, in which at least one transmitter working in ultra-broadband (UWB), at least one transmitter-receiving device working in ultra broadband (UWB) and one in ultra - Broadband (UWB) working receivers are used, the transmitter being fixed in the area to be monitored during use, the transceiver attached to the person to be located, and the receiver being arranged at a monitoring computer (control center) outside the area to be monitored and is connected to this.
  • UWB ultra-broadband
  • UWB ultra broadband
  • UWB ultra - Broadband
  • the object is further achieved by an arrangement for locating people within an area to be monitored in mobile use, with at least one transmitter working in ultra-broadband, at least one transmitting / receiving device working in ultra-broadband (UWB) and one in ultra-broadband (UWB) working receiver, whereby the transmitter is to be arranged in a fixed location in the area to be monitored during use, the transceiver is to be attached to the person to be located and the receiver is arranged and connected to a monitoring computer (control center) outside the area to be monitored ,
  • UWB ultra-broadband
  • UWB ultra-broadband
  • Ultra Wide Band is a technology that can be used for distance measurement at short distances, in open areas up to 200 m and in buildings up to 70 m, depending on the construction and the materials used. The maximum distance depends only on the strength with which pulsing is allowed. The approved American regulations (FCC) were used as a basis. Ultra wideband signals are extremely short pulses. They are broadcast by mobile transmitters, the location of which is initially unknown. These signals have a time specification so that the distance of the individual devices can be calculated based on the duration of the pulses. Each device recognizes its neighbors in the network. The accuracy of the location determination that can be achieved with Ultra Wide Band is in the centimeter range.
  • Ultra-broadband signals can be evaluated in buildings as well as in open areas without restriction. Obstacles that would otherwise reflect are penetrated. Furthermore, ultra-broadband digital data can be transmitted, which can be evaluated in the corresponding facilities.
  • the ultra-broadband technology is preferably combined with the well-known location method LORAN-C.
  • the LORAN-C system which exists almost worldwide, sends long-wave signals for position determination via permanently installed transmitter chains with a known location.
  • new receiving systems with improved software and hardware especially for signal processing are available, so that the accuracy requirements for the system shown here can be met.
  • the use of special antennas has also significantly improved indoor reception.
  • the LORAN-C process alone would not offer sufficient security and accuracy.
  • three devices are sufficient, namely for the formation of coordinates of the transmitters to be arranged stationary, the transceiver on the person to be located or monitored, and the receiver on the control center for data communication. These three devices form the basis of a variable coordinate system.
  • the accuracy and safety of the method and the arrangement increase with the number of emergency forces in the endangered area with their respective transceivers attached to the man.
  • the detection capacity expands into the room when an emergency worker leaves the level defined by the stationary transmitter.
  • two stationary transmitters are preferably provided in the area to be monitored.
  • a transmitter which is arranged outside the plane defined by a first stationary transmitter can further improve the accuracy and security in the room, for example when emergency services work in different levels of an area to be monitored.
  • the area to be monitored is the inside of a building, it is advisable to attach the fixed transmitter to prominent locations in the building that are easily accessible from the outside, preferably on one or more vertical edges of the same.
  • a prerequisite for the functioning of the arrangement is a powerful mobile portable computer (in an emergency vehicle or outside) and a powerful program that enables the following necessary and possibly desirable evaluations and displays:
  • the display on the screen of the emergency computer should appear as a dot with the identification of the transceiver attached to the emergency worker, and the distance traveled can be shown on the screen. An indication of the height of the located person is desirable. It should also be possible to query the operating time and duration.
  • the signals received are converted into vectors and displayed on the screen.
  • Corresponding digital building plans and cadastral maps should preferably be available from the respective locations, which can be displayed on the application computer.
  • Fire brigade plans according to DIN 14095 are primarily considered here, but any other maps and city maps can also be used. Satellite images of the operational area can also be displayed and evaluated on the operational computer. This is needed above all in disaster relief operations to indicate how and where rescue workers are or should be distributed and positioned.
  • the shortest possible route to a located person in the building can be calculated and displayed in the plan.
  • the head of operations has the option of marking passages (paths, stairwells, etc.) that are no longer usable on the deployment computer in the digital plan available to him. This is intended to enable appropriate aids such as ladders to be positioned as quickly as possible to enable people to exit the building.
  • the devices to be used in the system should preferably be constructed identically as transmitters and receivers (transceivers), with depending on the needs
  • the receiving part is switched off or inactive for the reference transmitters and the transmitting part for the device to be arranged at the control center.
  • This includes status data such as breathing air supply (residual volume), heart rate, temperature, duration of use, etc., which are constantly made available by radio data to support the head of operations in his decisions.
  • the invention is explained in more detail with reference to the drawing. Show it:
  • Fig. 2 shows schematically the communication and transit time measurement among the individual transmit / receive devices (transceivers) and
  • Fig. 3 shows schematically the process of position finding.
  • FIG. 1a to 1d show the floor plan of a building 1 at a height z 0 , at the corner of which a transceiver 2 (hereinafter referred to as “reference transceiver”) has been attached in a stationary manner before the actual start of use.
  • reference transceiver a transceiver 2
  • T t 0
  • An emergency worker, to whom a transceiver 3 (hereafter “mobile transceiver”) is attached enters the building 1 through an opening (door, window, wall breakthrough). Finally, there is one with an associated one at the mobile control center Computer connected control centers receiver 4.
  • the transceivers 2, 3 have the same structure; they each contain a LORAN-C section with associated antenna and an ultra broadband section with one antenna and one receiver each.
  • the ultra broadband part is, at least for the devices to be attached to the man, additionally equipped with a transmitter. Furthermore, a voltage supply and a processor are provided.
  • the mobile transceiver 3 optionally also contains a telemetry area for the transmission of body data and data from the area of the emergency services.
  • the transceivers themselves have no controls. They are active as soon as they are removed from the associated charging cradle.
  • a virtual reference point 5 and a reference line 6 are defined at this point, preferably away from the reference transceiver 2 along a Wall of building 1 runs.
  • the virtual, mathematically determined reference point 5 replaces, so to speak, a further fixed reference transceiver (transmitter).
  • the transceivers 2, 3 are connected to the LORAN-C transmitter and the transceivers 2, 3, 4 are connected to one another via ultra-broadband, the mutual position being constantly tracked via the information available.
  • the head of operations can follow the route of the task force on the screen of the control center computer and record them on the screen (line from reference point 5 to the two points shown in FIGS. 1b and 1c), so that it can be quickly located even if the on Man attached mobile transceiver 3 should fail.
  • the emergency personnel who of course wear adequate respiratory protection
  • the mobile transceivers 3, 7 automatically establish a mobile network with one another, which further increases the accuracy and security of the system.
  • This network remains two-dimensional as long as both and any other emergency services are at level z 0 .
  • the network automatically becomes three-dimensional as soon as at least one emergency worker leaves level z 0 , height differences being able to be measured, processed and displayed exactly.
  • the three-dimensional system can be further improved and simplified with regard to the height measurement if a further reference transceiver 8 is attached to a further level z ⁇ of the building 1.
  • the additional reference transceiver 8 can also be attached to a corner of the building 1 or by means of a mast or a turntable ladder in its immediate vicinity.
  • the required accuracy is simplified to the specification of the 1st or 2nd level z 0 or zi. 2 schematically shows the communication between three mobile stations 3, 7 and 10.
  • the reference transceiver 2 sends to the mobile transceivers 2, 7 and 10, all transceivers send to the control center receiver 4, and the mobile transceivers 2, 7, 10 send and receive with each other (see the single arrows and the double arrows between the transceivers).
  • the communication between the mobile transceivers 2, 7, 10 is designed as a so-called peer-to-peer connection, which means that the stations have equal rights and have the same options for data transmission. This means that every station can collect all data from all receivable stations and pass it on again. This is an advantage if a station has no connection to the control center (eg through shading).
  • Fig. 3 shows schematically the process of position finding in the plane.
  • the position of the stationary reference transceiver 2 is determined with LORAN-C.
  • the virtual reference point 5 and the reference line 6 are then determined at the location of the first rescue worker at the start of the operation, namely by measuring the LORAN-C position and measuring the transit time (ultra-wide band).
  • the transit times between the mobile transceivers 3, 7, 10 and transit times and angle ⁇ between the reference transceiver 2 and the mobile transceivers 2, 7, 10 are measured.
  • the two-dimensional position is determined by triangulation using the UWB data and by coupling to the respective LORAN-C positions.
  • a height reference point must be set to measure the relative height of a mobile transceiver (based on the entrance level). This can be done as follows: positioning a second reference station on the outer wall of the building or positioning on a mast or turntable ladder. The baseline of both stations can be used as a reference line

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)
  • Alarm Systems (AREA)
  • Navigation (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour localiser des personnes à l'intérieur d'une zone à surveiller lors d'une intervention mobile. Ce procédé et ce dispositif font appel à au moins un émetteur (2) fonctionnant dans la bande ultralarge (UWB), à au moins un émetteur/récepteur (3) fonctionnant dans la bande ultralarge (UWB) et à un récepteur (4) fonctionnant dans la bande ultralarge(UWB). Lors de l'intervention, l'émetteur (2) est placé de manière fixe dans la zone à surveiller, l'émetteur/récepteur (3) est installé sur la personne à localiser, et le récepteur (4) est installé sur un ordinateur de surveillance (centre de commande), se trouvant à l'extérieur de la zone à surveiller, et raccordé audit ordinateur.
EP04725323A 2003-04-03 2004-04-02 Procede et dispositif pour localiser des personnes Withdrawn EP1608992A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10315277A DE10315277A1 (de) 2003-04-03 2003-04-03 Anordnung zur Ortung von Personen
DE10315277 2003-04-03
PCT/EP2004/003509 WO2004088350A1 (fr) 2003-04-03 2004-04-02 Procede et dispositif pour localiser des personnes

Publications (1)

Publication Number Publication Date
EP1608992A1 true EP1608992A1 (fr) 2005-12-28

Family

ID=33038867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04725323A Withdrawn EP1608992A1 (fr) 2003-04-03 2004-04-02 Procede et dispositif pour localiser des personnes

Country Status (6)

Country Link
US (1) US20070040743A1 (fr)
EP (1) EP1608992A1 (fr)
JP (1) JP2006526144A (fr)
CA (1) CA2521115A1 (fr)
DE (1) DE10315277A1 (fr)
WO (1) WO2004088350A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018562A1 (de) * 2005-04-21 2006-11-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Positionsbestimmung mobiler Objekte innerhalb von Gebäuden
JP2008236516A (ja) * 2007-03-22 2008-10-02 Hitachi Ltd ノード位置測定方法、ノード位置測定システム及びサーバ
US9552503B2 (en) * 2012-05-01 2017-01-24 5D Robotics, Inc. Distributed positioning and collaborative behavior determination
DE102014016200A1 (de) 2014-11-03 2016-05-04 Peter Brettschneider Verfahren und Vorrichtung zur Ortung von Personen
CN108107404A (zh) * 2017-12-19 2018-06-01 成都鸿福润德科技有限公司 一种室内超宽带定位导航系统

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US5883598A (en) * 1995-12-15 1999-03-16 Signatron Technology Corporation Position location system and method
US6054950A (en) * 1998-01-26 2000-04-25 Multispectral Solutions, Inc. Ultra wideband precision geolocation system
US6133876A (en) * 1998-03-23 2000-10-17 Time Domain Corporation System and method for position determination by impulse radio
DE19843937A1 (de) * 1998-09-25 2000-04-20 Doerr Benjamin Tragbare Positionsmeldeeinrichtung
US7058414B1 (en) * 2000-05-26 2006-06-06 Freescale Semiconductor, Inc. Method and system for enabling device functions based on distance information
US6492904B2 (en) * 1999-09-27 2002-12-10 Time Domain Corporation Method and system for coordinating timing among ultrawideband transmissions
US6483461B1 (en) * 2000-08-24 2002-11-19 Time Domain Corporation Apparatus and method for locating objects in a three-dimensional space
US6560463B1 (en) * 2000-09-29 2003-05-06 Pulse-Link, Inc. Communication system
DE10164448A1 (de) * 2000-12-29 2002-07-25 Ehinger Markus Verfahren, Vorrichtung und System zur Erzeugung eines positionsindikativen Datensatzes
DE10113545A1 (de) * 2001-03-20 2002-10-02 Tenovis Gmbh & Co Kg System und Verfahren zur Positionsbestimmung
US6736316B2 (en) * 2002-08-23 2004-05-18 Yoram Neumark Inventory control and indentification method
US6944542B1 (en) * 2003-03-12 2005-09-13 Trimble Navigation, Ltd. Position determination system for movable objects or personnel

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Title
See references of WO2004088350A1 *

Also Published As

Publication number Publication date
US20070040743A1 (en) 2007-02-22
DE10315277A1 (de) 2004-10-28
JP2006526144A (ja) 2006-11-16
WO2004088350A1 (fr) 2004-10-14
CA2521115A1 (fr) 2004-10-14

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