EP2167918A2 - Procédé de fonctionnement d'un système de navigation - Google Patents

Procédé de fonctionnement d'un système de navigation

Info

Publication number
EP2167918A2
EP2167918A2 EP08784208A EP08784208A EP2167918A2 EP 2167918 A2 EP2167918 A2 EP 2167918A2 EP 08784208 A EP08784208 A EP 08784208A EP 08784208 A EP08784208 A EP 08784208A EP 2167918 A2 EP2167918 A2 EP 2167918A2
Authority
EP
European Patent Office
Prior art keywords
route
road
lane
map view
track
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.)
Ceased
Application number
EP08784208A
Other languages
German (de)
English (en)
Inventor
Steffen Joachim
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.)
Garmin Wurzburg GmbH
Original Assignee
Navigon AG
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 Navigon AG filed Critical Navigon AG
Publication of EP2167918A2 publication Critical patent/EP2167918A2/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3667—Display of a road map
    • G01C21/3676—Overview of the route on the road map
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3626—Details of the output of route guidance instructions
    • G01C21/3635—Guidance using 3D or perspective road maps

Definitions

  • the invention relates to a method for operating a navigation system according to the preamble of claim 1.
  • a route is calculated by means of a route calculation method using the location data in a database, which guides the user from the starting point to a destination point .
  • the database describes in digitized form a specific geographical area, for example, the road network of Germany.
  • the known navigation systems have the ability to calculate a map view and then display this map view on a display device.
  • the map view represents in graphical form at least a section of the geographic area stored in the database.
  • the roads present in this section of the geographical area are schematized in the manner of road tracks in the map view shown graphically.
  • road lanes for example, lines of a certain width or double lines of a certain width can be used, these lines indicating the course of the road shown in the illustrated geographical area.
  • This route trail In order to enable the user to navigate using the map view, it is also common to calculate a route trail and display it on the display device in the map view.
  • This route track which may also be shown in the manner of a line or double line, thereby runs along the road lanes of displayed in the map view streets that are part of the route. In other words, this means that the roads belonging to the route in the map view are highlighted by the fact that the corresponding road lanes are provided with the route lane.
  • the route track is displayed running below the road lane, so that only the edges of the route lane overhang the road lane.
  • This representation variant is disadvantageous in that the route track is displayed only relatively weak and difficult to recognize.
  • the route represented by the route lane can no longer be represented as being wider than the street above it, for example a broad intersection.
  • the route trace is displayed running above the assigned road lane and completely covers the road lane of the roads belonging to the route.
  • the road signature is largely covered and the visibility of the road course is greatly reduced.
  • Road types of the roads involved in the routes are no longer or only very limited recognizable.
  • the inventive method is based on the idea that the route track is displayed while running above the road lane, but the route lane is at least slightly narrower than the road lane running underneath.
  • the road signature is easily recognizable in this way.
  • street names such as street names, can be easily faded into the uncovered area of the road lane.
  • the route trace can be easily displayed in the road lane.
  • the route track can be displayed semi-transparent.
  • the transparency of the route trace should allow the recognizability of other display components of the map view, which are covered by the route trace.
  • the narrower representation of the route track also makes it possible to symbolize additional components graphically in the road lane.
  • road markings are displayed on the road lanes in the map view.
  • the orientation of the driver based on the map view is thereby significantly improved, especially in multi-lane roads with multiple lanes separated by the lane markings.
  • lane markings for marking turn lanes in the map view can be displayed well in this way.
  • the insertion of the road markings in basically all road lanes is often not useful. The best recognizability arises when the lane markings are only displayed on the road lanes that represent roads that belong to the route.
  • the representation of the route lane should be at least slightly narrower than a lane marked by the lane markings.
  • the lane markings are not covered by the route lane and the driver has an intuitive impression of the actual road situation.
  • the display of the lane mark is not always meaningful. If, for example, a larger area is displayed with a road network of several hundred streets, then the recognizability of road markings in the individual road lanes is no longer guaranteed, since each individual road lane is only shown very small. It is therefore particularly advantageous if the display of the lane markings is carried out as a function of the magnification factor of the map view. When displaying the map view on a very large scale, the lane marking should not be displayed. On the other hand, it is particularly advantageous if, in the case of illustrations of the map view, the lane markings are displayed in the vicinity, since this considerably improves the orientation of the driver along the route.
  • the width ratios between the width of the route track and the width of the road lane are basically arbitrary as long as the route lane is at least slightly narrower than the road lane. However, it is particularly advantageous for the display of most road situations when the route track is narrower than half of the road lane shown in the map view. Because most roads contain two Roadways, each occupying half the width of the road. It thus corresponds to the intuitive feeling of the user that the route trace, which schematically represents the vehicle movement along a roadway in a specific direction of the road, covers just about half of the road lane. The representation on the display device thus corresponds to the intuitive feeling of the user.
  • the route lane is displayed on the right-hand side of the road lane, which corresponds to the actual vehicle movement on the right-hand lane of the road. If, on the other hand, left-hand traffic applies, the route lane is displayed on the left-hand side of the road lane.
  • the route lane can also be displayed at least in sections laterally offset from the road lane.
  • This lateral offset between the road lane and the route lane is particularly useful if parts of the route lane are to be displayed which run essentially horizontally on the display device. In particular, this prevents the street names from being covered by roads that are to be inserted along the route.
  • the route track is displayed by a line of a certain width. However, the line itself does not say anything directly about the direction of travel required for the route.
  • the direction of travel of the route is symbolized by a directional signature on the route lane.
  • arrow symbols can be attached to the route track whose arrow direction corresponds to the necessary direction of travel.
  • the representation of the route track according to the invention results in possibilities of presenting additional information for the driver in a wide range of variations.
  • predefined criteria such as the radius of curvature and / or set speed of the roads that are part of the route, can be queried from a database and taken into account in the representation of the route trace. This happens because the representation of the route track is changed depending on the requested information.
  • the change of the representation of the route trace takes place is fundamentally arbitrary. It is particularly easy and intuitive to perceive the change of the route track in a change in the width of the route track and / or a change in the coloring of the route track and / or a change in the design or arrangement of symbols on the route track.
  • the different possibilities for changing the representation of the route track can also be combined with one another
  • radii of curvature in the route are retrieved from the database and this additional information is symbolized by a curvature signature on the route track.
  • the driver can be made aware in particular of sharp turns to warn him against too fast driving.
  • the curvature signature can be represented by arranging these symbols of the direction signature or by changing the design of these symbols of the direction signature.
  • the curvature signature is represented by the distance between the symbols of the direction signature. The distance between the symbols of the direction signature should be the smaller, the larger the radius of curvature shown, since this type of representation corresponds to the intuitive feeling of the user.
  • the curvature signature can also be represented by the different size of the symbols of the direction signature.
  • the size of the symbols of the direction signature is greater, the greater the radius of curvature illustrated.
  • the curvature signature may also be represented by a changing color gradient of the route trace. It is conceivable, for example, that the route track is shown in green in straight sections, yellow in sections with smaller radii of curvature and red in sections with high radii of curvature. Even continuous color transitions are conceivable in such color gradients.
  • a recommended target speed for the roads of the route can be queried from the database and symbolized with a speed signature on the route lane.
  • the route track is displayed with different widths.
  • the width of the route track should be greater, the lower the target speed shown.
  • curves should be displayed wider than straight route sections because of the lower setpoint speed to be recommended in the route track.
  • the speed signature can also be represented by a changing color gradient of the route track.
  • the representation of the route trace according to the invention can be used both in 2D representation variants and in 3D representation variants.
  • FIG. 1 shows the representation of a route trace in a map view according to a first variant of the method
  • FIG. 2 shows the representation of a route trace in a map view according to a second variant of the method
  • FIG. 3 shows the representation of a route trace in a map view according to a third variant of the method
  • FIG. 4 shows the representation of a route trace in a map view according to a fourth variant of the method
  • FIG. 5 shows the illustration of a route trace in a map view according to a fifth variant of the method.
  • FIG. 1 shows a schematic view of a display device 01 of a navigation system, for example the LCD screen of a mobile navigation device, on which a map view 02 is displayed electronically.
  • the map view 02 schematically represents a specific section of a geographical area with the streets therein as street tracks 03.
  • the route calculated by the navigation system which guides the user from the starting point to the destination point, is symbolized in the map view 02 by a route track 04.
  • the calculated route runs along two roads, with a left turn Operation is also required as a turning maneuver.
  • the two streets are shown in map view 02 by the road lanes 03 a and 03 b.
  • the route trace 04 is superimposed according to the method according to the invention in the map view 02 in the road tracks 03a and 03b belonging to the route, ie the route trace 04 runs above the road tracks 03a and 03b.
  • the current position of the user is symbolized by an arrow symbol 05 in the map view 02.
  • the route trace 04 is shown in semi-transparent manner in the map view 02, so that, for example, the street name "Neusser Strasse" on the road lane 03a is not unreadable covered, thereby significantly improving the recognizability of street names.
  • FIG. 2 schematically shows a map view 06 in the display device 01, which largely corresponds to the map view 02.
  • a road marking 07 is still displayed on the road track 03b in the map view 06. Since the route lane 04 is narrower than half of the road lane 03b shown in the map view 06, the lane marking 07 is not covered. Instead, the route track 04 corresponds in its width just the road 08 marked by the road marking 07 on the road track 03b.
  • the opposite lane 09 on the road lane 03b can be used to represent the street name of the corresponding road, in the example shown, "Haroldstrasse.”
  • the arrow symbol 05 is preferably likewise offset correspondingly to the right-hand side Area in which there is not, as in the example shown, right-hand traffic but left-hand traffic, the route track 04 would run on the left side, ie on the carriageway 09.
  • FIG. 3 shows the display device 01 when a map view 10 is displayed.
  • the route track 1 1 used in the map view 10 is narrower and, in addition to the actual route track, has a direction signature which is represented by arrow symbols 12.
  • the arrow direction of the arrow symbols 12 symbolizes the necessary direction of travel on the route lane 11.
  • the radius of curvature of the route lane 1 1 is indicated by the arrow symbols 12, namely by the distance between the respective adjacent arrow symbols 12.
  • the distance between the individual arrow symbols 12 in the curve between the two road tracks 03a and 03b is smaller than the distance in the straight sections.
  • the route lane 1 1 runs along the road lane 03a substantially horizontally over the display device 01. Accordingly, the route lane 1 1 is shown laterally offset in this section I I a and runs next to the associated road lane 03a.
  • the route trace 14 corresponds in principle to the route trace 11, but the curve radius of the route is not represented by the directional arrow symbols 12 but by a changing color gradient becomes.
  • the route track 14 is brightly colored, whereas the coloring of the route track 14 becomes increasingly darker as the radius of curvature increases. The highest darkness has the route trace 14 in the curve between the two road sections 03a and 03b.
  • the section 14a of the route lane 14 is again displayed laterally offset from the road lane 03a.
  • Fig. 5 shows a further imple mentation form 15 of a map view on the display device 01.
  • the route trace 16 displayed there is used in addition to the display of the route to be traveled along the road lanes 03a and 03b also the display of a recommended target speed.
  • This setpoint speed along the route is queried from the database and encoded into a speed signature.
  • the coding takes place via the variation of the width of the route trace 16.
  • the route trace 16 is the wider the lower the recommended target velocity. It can be seen that in the curve where the target speed is naturally the lowest, the route trace 16 is its largest Has width.
  • the section 16a of the route lane again runs laterally offset from the road lane 03a.
  • Map view Road lane Route lane Arrow icon (current location) Map view Lane marker Right lane Left lane Map view Route lane Arrow icon (direction of travel) Map view Route lane Map view Route lane

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Instructional Devices (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un procédé de fonctionnement d'un système de navigation, qui comprend les étapes suivantes: a) calcul d'un itinéraire d'un point de départ à un point de destination, cet itinéraire étant sélectionné, à l'aide d'un procédé de calcul d'itinéraire, au sein d'une banque de données dans laquelle est décrite une région géographique, b) calcul et affichage d'une vue cartographique (02, 06, 10, 13, 15) sur une unité d'affichage (01), ladite vue cartographique (02, 06, 10, 13, 15) représentant au moins une section de la région géographique, et les rues figurant dans cette section étant dessin schématiquement sous forme de tracés de rues (03), c) calcul et affichage d'un tracé d'itinéraire (04, 11, 14, 16), qui représente graphiquement le schéma du parcours suivi par l'itinéraire, ledit tracé d'itinéraire (04, 11, 14, 16) étant affiché sur l'unité d'affichage (01), dans la vue cartographique (02, 06, 10, 13, 15), de manière à se superposer aux tracés de rues (03a, 03b) qui font partie de l'itinéraire. Ledit tracé d'itinéraire (04, 11, 14, 16) figurant sur la vue cartographique (02, 06, 10, 13, 15) est au moins légèrement plus étroit que le tracé de rue (03a, 03b) qui passe en-dessous.
EP08784208A 2007-07-24 2008-06-20 Procédé de fonctionnement d'un système de navigation Ceased EP2167918A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007034931A DE102007034931A1 (de) 2007-07-24 2007-07-24 Verfahren zum Betrieb eines Navigationssystems
PCT/DE2008/000988 WO2009012739A2 (fr) 2007-07-24 2008-06-20 Procédé de fonctionnement d'un système de navigation

Publications (1)

Publication Number Publication Date
EP2167918A2 true EP2167918A2 (fr) 2010-03-31

Family

ID=39885068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08784208A Ceased EP2167918A2 (fr) 2007-07-24 2008-06-20 Procédé de fonctionnement d'un système de navigation

Country Status (3)

Country Link
EP (1) EP2167918A2 (fr)
DE (1) DE102007034931A1 (fr)
WO (1) WO2009012739A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013011883U1 (de) 2013-06-19 2014-10-07 Hanning Elektro-Werke Gmbh & Co. Kg Antriebsmotor
CN103487059B (zh) * 2013-09-25 2016-12-07 中国科学院深圳先进技术研究院 一种定位导航系统、装置及方法

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20040049341A1 (en) * 2002-05-30 2004-03-11 Kiyozumi Fujiwara Navigation apparatus

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JPH0658235B2 (ja) * 1990-11-20 1994-08-03 富士通テン株式会社 道路状況指示装置及び道路状況指示方法
JPH1030935A (ja) * 1996-07-17 1998-02-03 Nissan Motor Co Ltd 車両用経路誘導装置
JP3390624B2 (ja) * 1997-03-27 2003-03-24 富士通テン株式会社 ナビゲーション装置
EP1008834B1 (fr) * 1998-06-12 2009-11-25 Mitsubishi Denki Kabushiki Kaisha Appareil de navigation
US6710774B1 (en) * 1999-05-12 2004-03-23 Denso Corporation Map display device
DE19926367A1 (de) * 1999-06-10 2000-12-14 Bosch Gmbh Robert Navigationsgerät und Verfahren zur Steuerung des Maßstabs eines auf einer Anzeigeeinheit eines Navigationsgeräts dargestellten Kartenausschnitts
US7430473B2 (en) * 2004-10-01 2008-09-30 Bose Corporation Vehicle navigation display
JP4483798B2 (ja) * 2005-04-06 2010-06-16 株式会社デンソー 経路案内装置およびプログラム
DE602005010879D1 (de) * 2005-11-21 2008-12-18 Alpine Electronics Inc Elektronisches Routenanzeigesystem und Navigationssystem, das dieses umfasst

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US20040049341A1 (en) * 2002-05-30 2004-03-11 Kiyozumi Fujiwara Navigation apparatus

Non-Patent Citations (1)

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Title
See also references of WO2009012739A2 *

Also Published As

Publication number Publication date
DE102007034931A1 (de) 2009-01-29
WO2009012739A3 (fr) 2009-04-30
WO2009012739A2 (fr) 2009-01-29

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