CA2225974A1 - Method and apparatus for determining an alternate route in a vehicle navigation system - Google Patents

Method and apparatus for determining an alternate route in a vehicle navigation system

Info

Publication number
CA2225974A1
CA2225974A1 CA002225974A CA2225974A CA2225974A1 CA 2225974 A1 CA2225974 A1 CA 2225974A1 CA 002225974 A CA002225974 A CA 002225974A CA 2225974 A CA2225974 A CA 2225974A CA 2225974 A1 CA2225974 A1 CA 2225974A1
Authority
CA
Canada
Prior art keywords
route
original
alternate route
determining
navigation system
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.)
Granted
Application number
CA002225974A
Other languages
French (fr)
Other versions
CA2225974C (en
Inventor
Hidekazu Oshizawa
Haruhisa Tamai
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.)
TomTom International BV
Original Assignee
Zexel Corp
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 Zexel Corp filed Critical Zexel Corp
Publication of CA2225974A1 publication Critical patent/CA2225974A1/en
Application granted granted Critical
Publication of CA2225974C publication Critical patent/CA2225974C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
    • G08G1/096827—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed onboard
    • 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
    • G01C21/3407—Route searching; Route guidance specially adapted for specific applications
    • G01C21/3415—Dynamic re-routing, e.g. recalculating the route when the user deviates from calculated route or after detecting real-time traffic data or accidents
    • 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
    • G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
    • G01C21/3461—Preferred or disfavoured areas, e.g. dangerous zones, toll or emission zones, intersections, manoeuvre types, segments such as motorways, toll roads, ferries
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
    • G08G1/096844—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is dynamically recomputed based on new data
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096855—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
    • G08G1/096861—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver where the immediate route instructions are output to the driver, e.g. arrow signs for next turn
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096855—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
    • G08G1/096872—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver where instructions are given per voice

Abstract

A method and apparatus for determining an alternate route from a new source location located on an original route to a subsequent location on the original route using a vehicle navigation system are described. A portion of the original route to be avoided by the alternate route is determined which begins at the new source location. The portion of the original route includes a plurality of segments each of which has an original parameter associated therewith. Selected ones of the original parameters are adjusted thereby resulting in a plurality of adjusted parameters. The alternate route is then determined based in part on the adjusted parameters.
CA002225974A 1997-01-15 1997-12-24 Method and apparatus for determining an alternate route in a vehicle navigation system Expired - Fee Related CA2225974C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/786,839 US5928307A (en) 1997-01-15 1997-01-15 Method and apparatus for determining an alternate route in a vehicle navigation system
US08/786,839 1997-01-15

Publications (2)

Publication Number Publication Date
CA2225974A1 true CA2225974A1 (en) 1998-07-15
CA2225974C CA2225974C (en) 2004-03-23

Family

ID=25139731

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002225974A Expired - Fee Related CA2225974C (en) 1997-01-15 1997-12-24 Method and apparatus for determining an alternate route in a vehicle navigation system

Country Status (5)

Country Link
US (1) US5928307A (en)
EP (1) EP0854463B1 (en)
JP (1) JP3065978B2 (en)
CA (1) CA2225974C (en)
DE (1) DE69826340T2 (en)

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Also Published As

Publication number Publication date
EP0854463B1 (en) 2004-09-22
JP3065978B2 (en) 2000-07-17
CA2225974C (en) 2004-03-23
JPH10221100A (en) 1998-08-21
EP0854463A3 (en) 2000-05-24
DE69826340D1 (en) 2004-10-28
US5928307A (en) 1999-07-27
EP0854463A2 (en) 1998-07-22
DE69826340T2 (en) 2005-09-29

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