WO2001016914A1 - Procede et dispositif de traitement d'une description d'etat d'un systeme - Google Patents

Procede et dispositif de traitement d'une description d'etat d'un systeme Download PDF

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Publication number
WO2001016914A1
WO2001016914A1 PCT/DE2000/002176 DE0002176W WO0116914A1 WO 2001016914 A1 WO2001016914 A1 WO 2001016914A1 DE 0002176 W DE0002176 W DE 0002176W WO 0116914 A1 WO0116914 A1 WO 0116914A1
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WO
WIPO (PCT)
Prior art keywords
traffic
description
assigned
reports
status
Prior art date
Application number
PCT/DE2000/002176
Other languages
German (de)
English (en)
Inventor
Christian Kleegrewe
Michael Berger
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2001016914A1 publication Critical patent/WO2001016914A1/fr

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/092—Coding or decoding of the information

Definitions

  • the invention relates to a method and an arrangement for processing a state description of a system.
  • [1] discloses an arrangement and a method for transmitting a status description of a system, which status description is a traffic report and which system is a traffic situation.
  • a traffic message is transmitted in accordance with a Radio Data System traffic messaging channel standard (RDS-TMC standard).
  • RDS-TMC Radio Data System traffic messaging channel standard
  • a traffic announcement is coded and transmitted by a broadcasting station which is set up to transmit traffic avoidance coded according to the RDS-TMC standard.
  • the transmitted traffic report is received and processed further by a special receiver which is set up to receive a traffic report transmitted in the RDS-TMC standard.
  • the receiver has a decoder with which the transmitted and received traffic announcement is decoded.
  • a decoder with which the transmitted and received traffic announcement is decoded.
  • a suitable display device for example a display or a voice module, a decoded traffic message is displayed to a user optically or acoustically.
  • a traffic report transmitted according to the RDS-TMC standard has an indication of a location of a traffic disruption and an indication of a type and extent of the traffic disruption.
  • the traffic announcement is coded in such a way that a numerical numerical code is assigned to the information about the location of the traffic disruption and the information about the type and extent of the traffic disruption.
  • the numerical numerical codes are transmitted to the recipient.
  • the traffic announcement is decoded in the receiver in such a way that the traffic announcement is reconstructed using the transmitted numerical codes and a table stored in the receiver.
  • the table contains information about all the numerical numerical codes available within the system and the information about the location of a traffic disruption assigned to the number codes as well as information about the type and extent of the traffic disruption assigned to the number codes.
  • the reconstructed traffic report is visually displayed to the user and / or transmitted acoustically.
  • Such a traffic message is, for example, "Autobahn A4 junction Weisweiler 4 km traffic jam”.
  • a method for transmitting an RDS signal is known from [2].
  • a digital data signal is transmitted on a subcarrier of 57 kHz via an FM radio transmitter, with a 2-sideband amplitude modulation of the 57 kHz carrier using the diphase-coded data signal.
  • the transmission method known from [2] is used in particular for the transmission of RDS information, for example traffic information, by a traffic broadcasting system.
  • the known arrangements and methods have in particular the disadvantage that a description of the state of a system, in particular a traffic report, is only insufficiently possible.
  • the invention is therefore based on the problem of specifying a method and an arrangement for processing a state description of a system, with which method and with which arrangement a representation of a state description which is improved in relation to the known methods and arrangements with regard to user friendliness is possible.
  • the status description is received.
  • a status variable is extracted from the status description and a generic term is assigned to the extracted status variable.
  • the arrangement for processing a status description of a system has a receiver with which the status description can be received. Furthermore, the arrangement has a processing unit which is set up in such a way that a state variable can be extracted from the state description and a generic term can be assigned to the extracted state variable. Furthermore, the arrangement has a display unit with which the status description can be displayed in a hierarchical order using the assigned generic term.
  • a state description of a system is a description of a state of a system using To understand state variables, for example numerical variables and / or descriptive terms and / or graphic representations.
  • a traffic situation is preferably described by the status description.
  • condition description is selected (filtered) with regard to a predefinable criterion in a further training.
  • a further development is preferably used in a traffic radio system.
  • a selection process (filter) is provided, with which the state description can be selected (filterable) with regard to a predefinable criterion.
  • FIG. 1 Traffic radio system according to an embodiment
  • FIG. 2 procedural steps in the processing of a traffic report
  • Figure 3 an arrangement for hierarchical display of traffic reports according to the embodiment
  • FIG. 4 a sketch which illustrates the processing of traffic reports
  • Figure 5 Tables for coding and decoding traffic reports.
  • FIG. 1 shows components of a traffic radio system which is used in the context of a broadcasting system.
  • the basic structure of the traffic radio system is designed according to the arrangement of an RDS-TMC system as described in [1].
  • the traffic radio system 100 has a radio transmitter 101 which, together with a conventional radio program, transmits or transmits traffic reports.
  • the radio transmitter 101 is equipped with a correspondingly configured transmitter 102.
  • the traffic report is encoded in the transmitter 102 in accordance with an RDS-TMC standard.
  • the RDS-TMC standard is explained in FIG. 5 and is described in more detail below.
  • the vehicle 1 shows a motor vehicle 103 with a car radio 104.
  • the car radio 104 has a receiver 105 which is set up in such a way that the broadcast radio signals and traffic radio signals can be received.
  • the receiver 105 is set up in such a way that the traffic radio signals received together with the radio signals can be separated from the radio signals and the separated signals can then be processed independently of one another.
  • the traffic radio signals are decoded in the receiver, the original traffic message being reconstructed.
  • the reconstructed traffic report is processed in accordance with a method shown in FIG. 2, which is explained in more detail below.
  • a status variable is extracted from the traffic report.
  • a generic term is assigned to the extracted state variable.
  • the traffic report is hierarchically represented using the assigned generic term according to FIG. 3.
  • a traffic announcement is visualized using a display 106 which is connected to the receiver 105.
  • a loudspeaker 107 with a voice module 109 is provided for an acoustic representation of a traffic announcement, which is also connected to the receiver 105.
  • FIG. 2 shows a flowchart which illustrates the principle of processing traffic reports in accordance with the exemplary embodiment.
  • the traffic reports processed in accordance with the flowchart are described in FIG.
  • a first step 210 traffic reports which are transmitted by the radio station in the form of digital traffic radio signals are received by the receiver.
  • Traffic announcement 1 "Autobahn A4, junction Weiler, direction Düren, 4km traffic jam” (401);
  • Traffic announcement 2 401 "Autobahn A8, junction Adelshausen 5 sen, direction Dasing, smoothness due to freezing moisture, several accidents have already occurred, please switch to the federal road B300" (402).
  • the traffic avoidances received are each decoded and, after the decoding, are in text form as a description of the status of a traffic situation.
  • the traffic reports are processed in such a way that a short description is formed for each traffic report.
  • two partial reports, a location and an event description are extracted from a traffic report, which is composed of different partial reports.
  • the event names are each assigned a predefinable generic term, which is stored and which in individual cases matches the extracted event name.
  • the location and the generic term are combined to the short description.
  • the traffic reports are hierarchically structured using their respective short names.
  • further partial reports of the respective traffic reports are assigned to different hierarchically tiered levels.
  • First levels 421 and 422 are each assigned further location information to the respective traffic report.
  • Second levels 431 and 432 which are hierarchically subordinate to the first levels 421 and 422, become partial reports assigned to traffic reports 1 and 2, which partial reports relate to the event:
  • a third level 442 and a fourth level 452 for traffic report 2 402 are shown in FIG.
  • Partial reports of the fourth level 452 of traffic report 2 402 please switch to the federal road B300.
  • the hierarchically structured traffic reports are selected (filtered) using their respective location information (local selection) and / or transmission times (temporal selection).
  • a temporal selection is understood to mean that only before traffic announcements are displayed that have been received within a predetermined time interval.
  • Local selection is understood to mean that only those traffic reports are displayed which relate to a traffic event whose event location is relevant for the recipient.
  • the selected traffic reports are shown using the display 106.
  • the selected traffic reports are displayed in accordance with the hierarchical structure of the traffic reports.
  • FIG. 3 shows a display for displaying the selected, hierarchically structured traffic reports.
  • FIG. 3 shows a screen 301 and an operating device 305 connected to the screen.
  • the operating device 305 has various operating buttons 306, 307 with which a marking 304 on the screen 301 can be moved.
  • the short descriptions 302, 303 of the filtered traffic reports are displayed to the user on the screen 301.
  • a short description of a traffic announcement can be marked and the traffic announcement can thus be selected.
  • the selected traffic report By pressing the control button 307, the selected traffic report can be displayed in such a way that each time the control button 307 is pressed, the partial reports of a traffic report assigned to a level are displayed on the screen 301.
  • the user can use the control button 307 to choose whether the partial messages of a hierarchical level above or below the current level should be displayed.
  • FIG. 5 shows mechanisms for coding and decoding a traffic announcement and corresponding formats, which are based on the RDS-TMC standard.
  • FIG. 5 shows various tables 500 using which a traffic announcement is encoded in the transmitter and correspondingly decoded in the receiver.
  • a location table 501, a connection table 502, a direction table 503 and an event table 504 are stored in the transmitter.
  • the location table 501 is used for coding an indication of a highway. For this purpose, different motorways are listed in the location table 501, a code being assigned to each of the motorways listed.
  • the junction table 502 is used to encode information about a junction of a motorway.
  • the structure of the connection point table 502 is implemented in accordance with the structure of the location table 501.
  • the direction table is used to code a direction of travel on a motorway.
  • the structure of the direction table 303 is implemented in accordance with the structure of the location table 501.
  • the event table 504 is used to encode a traffic event. For this purpose, various traffic events are listed in the table, each of which includes a numerical size specification for the description of the respective traffic event. A code is assigned to each traffic event listed.
  • the coding of a traffic announcement is illustrated by the following message "Autobahn A4, junction Weiler, direction Düren, 4 km traffic jam".
  • the code A004B001C001D004 is assigned to this traffic report in accordance with the tables shown in FIG.
  • the code is formed as follows: A004: A4 motorway; B001: Weiler junction; C001: towards Düren; D004: 4 km traffic jam.
  • the code determined for the traffic report is digitally transmitted and decoded in the receiver.
  • the same tables, using which a traffic announcement was coded, are stored in the receiver.
  • the transmitted code is decoded in such a way that the original traffic report is reconstructed in text form (see above) using the tables stored in the receiver.
  • the hierarchically structured traffic report is visually displayed to the recipient and / or transmitted acoustically.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuits Of Receivers In General (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif de traitement d'une description d'état d'un système, selon lequel la description d'état est reçue. Dans le cadre du traitement de la description d'état, une grandeur d'état est extraite de la description d'état et un terme générique est affecté à la grandeur d'état extraite. En outre, la description d'état est représentée de manière hiérarchique au moyen du terme générique affecté.
PCT/DE2000/002176 1999-08-30 2000-07-04 Procede et dispositif de traitement d'une description d'etat d'un systeme WO2001016914A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19941144.1 1999-08-30
DE19941144 1999-08-30

Publications (1)

Publication Number Publication Date
WO2001016914A1 true WO2001016914A1 (fr) 2001-03-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130018885A1 (en) * 2011-07-13 2013-01-17 Harman Becker Automotive Systems Gmbh Indicating states in a telematic system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536820A1 (de) * 1985-10-16 1987-04-16 Bosch Gmbh Robert Verkehrfunk-decoder
US5465088A (en) * 1992-03-13 1995-11-07 Robert Bosch Gmbh Receiver for traffic messages
EP0725504A2 (fr) * 1995-02-03 1996-08-07 Robert Bosch Gmbh Récepteur RDS comportant un dispositif d'affichage d'informations routières
FR2742565A1 (fr) * 1995-12-15 1997-06-20 Renault Procede de filtrage et de restitution d'informations routieres et dispositif de mise en oeuvre du procede

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536820A1 (de) * 1985-10-16 1987-04-16 Bosch Gmbh Robert Verkehrfunk-decoder
US5465088A (en) * 1992-03-13 1995-11-07 Robert Bosch Gmbh Receiver for traffic messages
EP0725504A2 (fr) * 1995-02-03 1996-08-07 Robert Bosch Gmbh Récepteur RDS comportant un dispositif d'affichage d'informations routières
FR2742565A1 (fr) * 1995-12-15 1997-06-20 Renault Procede de filtrage et de restitution d'informations routieres et dispositif de mise en oeuvre du procede

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130018885A1 (en) * 2011-07-13 2013-01-17 Harman Becker Automotive Systems Gmbh Indicating states in a telematic system
US9569295B2 (en) * 2011-07-13 2017-02-14 Harman Becker Automotive Systems Gmbh Indicating states in a telematic system

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