WO2003046481A1 - Dispositif de navigation pour voiture - Google Patents
Dispositif de navigation pour voiture Download PDFInfo
- Publication number
- WO2003046481A1 WO2003046481A1 PCT/JP2002/012402 JP0212402W WO03046481A1 WO 2003046481 A1 WO2003046481 A1 WO 2003046481A1 JP 0212402 W JP0212402 W JP 0212402W WO 03046481 A1 WO03046481 A1 WO 03046481A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- route
- vehicle
- passing
- destination
- guidance
- Prior art date
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
-
- 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
- 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
- G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
- G08G1/096822—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard where the segments of the route are transmitted to the vehicle at different locations and times
-
- 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
- G08G1/096872—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
Definitions
- the present invention relates to a car navigation system that sets a desired waypoint and guides a route from a current position to a destination, and more particularly to a process when a vehicle leaves a guide route.
- Conventional car navigation devices usually have a function of detecting the current position, a function of searching for a guide route from the current position to the destination when a destination is input, and the like.
- the guide route obtained by the search and the current position of the vehicle are displayed on a display screen to perform route guidance.
- the traveling road may be mistaken or the location may be incorrect. Due to an error, the current position may move from the route r1 to the viaway W to the route r2 after passing through the viaway W.
- the conventional car navigation system determines that the route has been changed, and the route r after passing through the stopover W Switching to the guidance in step 2, you will not be able to access the transit point W (especially, as shown in Fig. 8, you will exit the expressway H, stop at the transit point W, and then exit the expressway H.
- the present invention has been made in view of the above circumstances, and its purpose is to provide a guide route even if the current position enters a guide route after passing through the transit point before passing through the transit point. It is an object of the present invention to provide a car navigation device that can prevent switching to a route after passing through a transit point as much as possible, and even if it is switched, it is possible to reach a transit point as much as possible. Disclosure of the invention
- the car navigation device when a vehicle departs from a route of a guide route before passing through a transit point and gets on a route to a destination after passing through the transit point, If the distance from the current position of the vehicle to the route point is less than or equal to the predetermined value, travel guidance to the destination is performed without passing through the route point.
- the user even if the travel guidance to the destination is performed without passing through the transit point, since the distance from the current position to the transit point is a short distance equal to or less than a predetermined value, the user wants to go to the transit point If you think For example, there is no problem even if there is no route guidance, for example, the user can look at the map displayed on the display screen and go to a transit point.
- the vehicle When the vehicle has departed from the route before passing through the transit point on the guide route and got on the route to the destination after passing through the transit point, and the distance from the current position to the transit point is longer than the specified value, It is preferable to reset the planned route to the destination via the transit point. As a result, the vehicle can be guided to the destination via the transit point without being switched to the route after the transit point has passed the transit point.
- the above-mentioned predetermined value can be a straight-line distance from the current position of the vehicle to the stopover.
- the stopover can be selected and set from a telephone number, an address, a facility name, an arbitrary point on the map shown on the display means, and the like, the size of the predetermined value according to the stopover selection means is set. May be configured to be set.
- FIG. 1 is a block diagram functionally showing the entire configuration of a car navigation device according to an embodiment of the present invention.
- FIG. 2 is a flowchart showing the contents of route guidance.
- FIG. 3 is an explanatory diagram showing a mode of route departure.
- FIG. 4 is an explanatory diagram showing a guidance route when the route departure in the form of FIG. 3 is replaced with a route.
- FIG. 5 is an explanatory diagram showing another route leaving mode.
- FIG. 6 is an explanatory diagram showing a guide route when the departure of the route in FIG. 5 is not a route transfer.
- FIG. 7 is an explanatory diagram for explaining a problem when a conventional route departure occurs.
- FIG. 8 is an explanatory diagram showing another example in which route departure occurs according to the conventional technique.
- Figure 1 is a block diagram functionally showing the overall configuration of the car navigation device.
- the car navigation device includes a calculation unit 1, a current position measurement unit 2 as position detection means, a map data storage unit 3 as map data storage means, and a display unit as display means. 4.
- Speaking speed 5 as sounding means, input unit 6, etc. are provided.
- a gyroscope 7, a distance sensor 8, a GPS (Global Positioning System) receiver 9, and the like are connected to the current position measurement unit 2 as sensors. Since these sensors 7 to 9 have detection errors having different properties, by combining these sensors 7 to 9, high-accuracy position detection can be performed while mutually correcting the detection errors. Then, the current position measuring unit 2 determines the current position of the vehicle based on the detection results of these sensors 7 to 9.
- GPS Global Positioning System
- the map data storage unit 3 includes an information recording medium such as a DVD-ROM and a reading device that reads map data from the information recording medium.
- the reading device outputs map data, map matching data, and routes by voice.
- the system reads the data for guidance and gives it to the operation unit 1.
- map data there is data with a link number defined for each section defined for each road, and the section can be specified by this link number.
- the display unit 4 is provided with a display screen such as a liquid crystal display, for example, and can display map data, characters, or symbols on the display screen.
- the input unit 6 is used for inputting data and various setting items.
- the input unit 6 is provided with various switches such as a touch switch or a mechanical switch provided integrally with the display unit 4. It is configured.
- the calculation unit 1 includes a display control unit 10, a route calculation unit 11, a route guidance control unit 12, a voice control unit 13, and the like.
- the display control unit 10 acquires the current position information from the current position measurement unit 2 and displays a road map around the current position on the display screen of the display unit 4 based on the map data acquired from the map data storage unit 3. Along with the display, a pointer indicating the current position and traveling direction of the vehicle is displayed over the road map on the display screen.
- the route calculation unit 11 functions as a guide route searching means, and sets a guide route from a current position to a destination. When a stopover is specified, the route calculation unit 11 sets a guide route that passes through the stopover.
- the waypoints and destinations are input from the input unit 6 as the waypoint setting means and the destination setting means. In this case, the waypoints and destinations can be input as a method of specifying an arbitrary point on the map displayed on the display screen of the display unit 4, a method of specifying by inputting a place name, a telephone number, a facility, or the like. You can select from among the methods specified by name.
- the route calculation unit 11 determines a guide route from the current position to the destination or a stopover from the current position based on the map data in the map data storage unit 3.
- a guide route to the destination through the route is searched, and the guide route is stored in the route storage unit 14.
- a known method such as the Dijkstra method is used.
- the route guidance control unit 12 that functions as route guidance means and route control means reads the guidance route stored in the route storage unit 14 and displays the guidance route via the display control unit 10 to the display unit. Display on the road map of 4.
- the route guidance control unit 12 acquires the current position from the current position measurement unit 2 and, when the vehicle approaches the intersection where the course should be changed, displays the current position on the display screen of the display unit 4 via the display control unit 10. Displays the intersection name and the distance to the intersection. Further, the route guidance control unit 12 issues an instruction to the voice control unit 13 to display the name of the intersection and the distance to the intersection, and also to perform the route guidance at the intersection by voice. The voice control unit 13 performs voice recording based on an instruction from the route guidance control unit 12. The information stored in the storage unit 15 as digital data is read out, converted into an analog signal, and the speaker 5 is driven. As a result, a route instruction such as “about *** m in the intersection at * direction” is given by voice from speed 5 to guide the route.
- the route guidance control unit 12 detects whether or not the current position of the vehicle is on the guidance route, and when the vehicle departs from the guidance route, the route guidance control unit 12 sends the route to the route calculation unit 11. Issue a reset command.
- the route calculation unit 11 Upon receiving the route reset instruction, the route calculation unit 11 newly sets a guide route from the current position to the destination or a guide route from the current position to the destination via the transit point. In step 4, the new guidance route is changed to the original guidance route and stored.
- the route moves to the route after passing through the stopover.
- This route transfer is likely to occur when the guide route R has an intersection as shown in Figs.
- the guide route R in FIGS. 3 and 5 has one stop W, a route r 1 for guiding to the stop W, and a route r 2 for guiding to the destination E after passing the stop W. And cross at one place.
- the route may be erroneously entered at the intersection C from the route r1 to the route r2.
- the route guidance control unit 12 determines whether the vehicle has entered the route r2 from the route r1 as a determination unit. Then, when it is determined that the vehicle has entered the route r2 from the route r1, the vehicle is guided to proceed along the guide route as it is according to the linear distance between the current position and the stopover, or the stopover from the current position is performed. Or to set a new guidance route up to.
- the route guidance control unit 12 When the stopover point W and the destination point E are set, and the route calculation unit 11 sets the route R, the route guidance control unit 12 first determines whether the vehicle is the departure point. The route guidance is performed so that the vehicle travels along the route r1 from the route to the stopover W (step S1). Then, during this route guidance, the route guidance control unit 12 determines whether or not the vehicle has left the route r1 (step S2), and if the vehicle has not left the route r1 ("NO" in step S2). To return to step S1, the route guidance on route r1 is continued. The determination as to whether the vehicle has left the route r1 is made by comparing the current position with the route r1.
- the form in which the current position of the vehicle departs from the route r1 includes a case where the vehicle enters the route r2 along the route r1 due to a route error or a location error, and a case where the route r2 also occurs due to a route error or a location error. In some cases, you enter a route other than route r2 from 1.
- the route guidance control unit 12 determines that the vehicle has left the route r1 due to a wrong route, and It is determined whether the vehicle is on the route r2 (step S3: approach determination means). At this time, if the vehicle has departed from the route r1 and entered a route other than the route r2 (“NO” in step S3), the route guidance control unit 12 sends the route Issue a setting command.
- the route calculation unit 11 newly sets a guidance route r1 from the current position to the stopover W (step S8), and the route guidance control unit 12 sets a new guidance route r1 based on the new guidance route r1. Route guidance to stopover point W (step S l).
- step S3 distance measuring means
- step S5 distance measuring means
- step S5 draw a circle with a radius of a predetermined length (l K m) from the current location, and determine whether the distance L from the current position to the stop W It may be determined whether or not there is. In this case, as shown in FIG.
- step S5 when the distance L between the current position P and the stopover W is equal to or smaller than the predetermined value d (“YES” in step S5), the route guidance control unit 12 Then, as shown in FIG. 4, the route r1 is deleted and the guidance is switched to the route r2 after passing through the stopover W (step S6). Thereafter, the route guidance control unit 12 takes the route of the vehicle along the route]: 2 (step S7), and ends the route guidance when the vehicle arrives at the destination.
- the route guidance control unit 12 determines that the route is not a transfer, and sets a new proposed route r 1 from the current position P to the stopover W as shown in FIG. 6 as in step S 8 (step S 9) . Thereafter, the route guidance control unit 12 returns to step S1 and thereafter performs the above-described operation to guide the vehicle along the route r1, and thereafter performs route guidance along the route r2.
- the route guidance ends.
- step S8 a new route is set in step S8 or step S9.
- “NO” is obtained in step S3
- the route to the stopover W is returned again in step S9 (mostly the original route r1). (Same as 1) is set.
- the present embodiment even if it is determined to transfer to the route r2 in the middle of the route r1, if the distance from the current position to the stopover W exceeds a predetermined distance, the current A new guidance route from the location to the stopover W is set. Accordingly, it is possible to minimize the problem that the guidance to the stopover W is not performed due to the determination that the route is changed.
- the route No new guidance route to ground W is set. However, since the current position is near (less than or equal to l Km) to the stopover W, following the map shown on the display screen of the display unit 4 makes it easy to go to the stopover W. There is no.
- the distance d between the current position and the transit point which serves as a criterion for setting a new guidance route from the current position to the transit point, is not limited to 1 km. .
- the distance d is not limited to a straight-line distance, and may be a distance between the departure point and the stopover W on the route r1.
- the distance d may be changed according to the setting method of the waypoint W. For example, if the stopover w is specified by a telephone number, facility name, or location, the stopover W is set in a pinpoint manner. In this case, the distance d is shortened and the stopover W When is specified as an arbitrary point on the map displayed on the display screen of the display unit 4, the distance d is set long in this case, since it is a rough specification.
- the “point of origin” is set as the point set between the final destinations, but this is a synonym for “passing point”, “intermediate destination”, etc., and the guidance route is Various expressions can be used as long as the point is set as a passing point.
- the car navigation device can provide route guidance to a transit point even when the route to the transit point and the route from the transit point to the destination are close to each other.
- it can be appropriately used as a navigation device that can set a transit point so that route guidance to a destination can be appropriately performed.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/451,273 US6826475B2 (en) | 2001-11-30 | 2002-11-27 | Car navigation unit |
KR1020037008955A KR100582680B1 (ko) | 2001-11-30 | 2002-11-27 | 차량용 네비게이션 장치 |
DE10295465T DE10295465B4 (de) | 2001-11-30 | 2002-11-27 | Fahrzeugnavigationseinheit |
GB0316069A GB2390464B (en) | 2001-11-30 | 2002-11-27 | Car navigation unit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-366536 | 2001-11-30 | ||
JP2001366536A JP3514253B2 (ja) | 2001-11-30 | 2001-11-30 | カーナビゲーション装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003046481A1 true WO2003046481A1 (fr) | 2003-06-05 |
Family
ID=19176415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/012402 WO2003046481A1 (fr) | 2001-11-30 | 2002-11-27 | Dispositif de navigation pour voiture |
Country Status (7)
Country | Link |
---|---|
US (1) | US6826475B2 (ja) |
JP (1) | JP3514253B2 (ja) |
KR (1) | KR100582680B1 (ja) |
CN (1) | CN1291216C (ja) |
DE (1) | DE10295465B4 (ja) |
GB (1) | GB2390464B (ja) |
WO (1) | WO2003046481A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9177476B2 (en) * | 1997-10-22 | 2015-11-03 | American Vehicular Sciences Llc | Method and system for guiding a person to a location |
US20080275636A1 (en) * | 2004-03-26 | 2008-11-06 | Chihiro Hirose | Navigation Device, Route Searching Method, Route Searching Program, and Computer-Readable Recording Medium |
JP4466238B2 (ja) * | 2004-07-07 | 2010-05-26 | 株式会社デンソー | 車両用ナビゲーション装置 |
CN1779416B (zh) * | 2004-11-23 | 2010-05-12 | 广东瑞图万方科技有限公司 | 车载导航系统及方法 |
CN1948909B (zh) * | 2005-10-14 | 2010-05-12 | 东软集团股份有限公司 | 兼容左右侧通行的汽车导航装置及道路探索方法 |
JP4635833B2 (ja) * | 2005-11-09 | 2011-02-23 | 株式会社デンソー | カーナビゲーション装置 |
JP2009115786A (ja) * | 2007-10-16 | 2009-05-28 | Fujitsu Ten Ltd | ナビ制御装置、ナビゲーション装置、サーバ及び目的地設定システム |
JPWO2009122633A1 (ja) * | 2008-04-02 | 2011-07-28 | 三菱電機株式会社 | ナビゲーション装置 |
TWI373604B (en) * | 2008-08-07 | 2012-10-01 | Mitac Int Corp | Navigation systems and related route planning methods, and machine readable medium thereof |
JP5454183B2 (ja) * | 2010-02-04 | 2014-03-26 | 株式会社デンソー | 行程計画装置、その方法、およびそのプログラム |
IL205371A0 (en) * | 2010-04-27 | 2010-12-30 | Transspot Ltd | A method for accurately timing stations on a public transportation route |
JP5618152B2 (ja) * | 2011-01-31 | 2014-11-05 | アイシン・エィ・ダブリュ株式会社 | 進路案内システム、進路案内方法、及び進路案内プログラム |
US10274335B2 (en) | 2017-01-03 | 2019-04-30 | Honda Motor Co., Ltd. | System for providing a notification of a presence of an occupant in a vehicle through historical patterns and method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09159476A (ja) * | 1995-12-08 | 1997-06-20 | Matsushita Electric Ind Co Ltd | 経路探索表示装置 |
JPH09325041A (ja) * | 1996-06-05 | 1997-12-16 | Matsushita Electric Ind Co Ltd | 経路探索表示装置 |
JP2000193478A (ja) * | 1998-12-24 | 2000-07-14 | Clarion Co Ltd | ナビゲ―ション装置 |
JP2001280988A (ja) * | 2000-03-30 | 2001-10-10 | Sanyo Electric Co Ltd | ナビゲーション装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69319193T2 (de) * | 1992-08-19 | 1998-12-24 | Aisin Aw Co | Navigationssystem mittels Sprache |
US5931888A (en) * | 1994-09-22 | 1999-08-03 | Aisin Aw Co., Ltd. | Navigation system for vehicles with alternative route searching capabilities |
KR970002795A (ko) * | 1995-10-30 | 1997-01-28 | 모리 하루오 | 네비게이션(navigation)장치 |
JP3537285B2 (ja) * | 1997-02-25 | 2004-06-14 | アルパイン株式会社 | ナビゲーション装置 |
US6285950B1 (en) * | 1999-05-13 | 2001-09-04 | Alpine Electronics, Inc. | Vehicle navigation system |
JP2001116578A (ja) * | 1999-10-14 | 2001-04-27 | Yazaki Corp | 車載ナビゲーション装置及び車載ナビゲーション装置における処理プログラムを記録した記録媒体 |
JP4588243B2 (ja) * | 2001-04-12 | 2010-11-24 | 三菱電機株式会社 | ナビゲーション装置、ナビゲーション方法及びナビゲーションプログラム |
-
2001
- 2001-11-30 JP JP2001366536A patent/JP3514253B2/ja not_active Expired - Lifetime
-
2002
- 2002-11-27 KR KR1020037008955A patent/KR100582680B1/ko active IP Right Grant
- 2002-11-27 GB GB0316069A patent/GB2390464B/en not_active Expired - Lifetime
- 2002-11-27 US US10/451,273 patent/US6826475B2/en not_active Expired - Lifetime
- 2002-11-27 CN CNB028067436A patent/CN1291216C/zh not_active Expired - Lifetime
- 2002-11-27 WO PCT/JP2002/012402 patent/WO2003046481A1/ja active IP Right Grant
- 2002-11-27 DE DE10295465T patent/DE10295465B4/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09159476A (ja) * | 1995-12-08 | 1997-06-20 | Matsushita Electric Ind Co Ltd | 経路探索表示装置 |
JPH09325041A (ja) * | 1996-06-05 | 1997-12-16 | Matsushita Electric Ind Co Ltd | 経路探索表示装置 |
JP2000193478A (ja) * | 1998-12-24 | 2000-07-14 | Clarion Co Ltd | ナビゲ―ション装置 |
JP2001280988A (ja) * | 2000-03-30 | 2001-10-10 | Sanyo Electric Co Ltd | ナビゲーション装置 |
Also Published As
Publication number | Publication date |
---|---|
US6826475B2 (en) | 2004-11-30 |
CN1291216C (zh) | 2006-12-20 |
KR100582680B1 (ko) | 2006-05-22 |
GB2390464A (en) | 2004-01-07 |
JP3514253B2 (ja) | 2004-03-31 |
DE10295465T5 (de) | 2004-11-04 |
CN1498336A (zh) | 2004-05-19 |
US20040044464A1 (en) | 2004-03-04 |
GB2390464B (en) | 2005-12-28 |
DE10295465B4 (de) | 2012-03-01 |
JP2003166834A (ja) | 2003-06-13 |
GB0316069D0 (en) | 2003-08-13 |
KR20030070089A (ko) | 2003-08-27 |
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