CN1940480B - Hazardous area guiding method for location system - Google Patents
Hazardous area guiding method for location system Download PDFInfo
- Publication number
- CN1940480B CN1940480B CN2005100302197A CN200510030219A CN1940480B CN 1940480 B CN1940480 B CN 1940480B CN 2005100302197 A CN2005100302197 A CN 2005100302197A CN 200510030219 A CN200510030219 A CN 200510030219A CN 1940480 B CN1940480 B CN 1940480B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- hazardous location
- hazardous
- search
- road
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Navigation (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
A guiding method of positioning system in dangerous area includes searching user position and searching single map of user position from information file of dangerous area as well as searching out information of dangerous area at maximum search scope in single map when path search information from user is received, judging whether angle difference between navigation direction of searched dangerous area and road existed by vehicle is less than maximum allowable angle difference or not and carrying out real time search based on dangerous area mass data from single map if said angle difference is less than maximum allowable angle difference.
Description
Technical field
The present invention is relevant present present position of grasping the user in positioning system, guides the hazardous area guide method on a kind of positioning system of hazardous location of present present position periphery.
Background technology
In general, in-vehicle navigation apparatus is considered its situation after being the shortest path of grasping till the vehicle destination and traffic, calculates best driving path, offers the driver, the equipment that travels with optimal route with this guided vehicle.
In addition, in-vehicle navigation apparatus is continue to detect vehicle location, monitors whether break away from the above-mentioned optimal route that provides, if break away from its path, just provides the information of disengaging optimal route to the driver, and makes it can come back to optimal route to travel, relevant information is provided.
Above-mentioned in-vehicle navigation apparatus utilizes route searching mode and guidance mode, the route searching mode has, detect vehicle-mounted geography information and positional information, in vehicle, calculate optimal route, the method that shows and vehicle position information is transferred to remote server, again receive the optimal route information of calculating, the mode that shows from remote server.
Describe the method for above-mentioned in-vehicle navigation apparatus searching route below in detail with reference to Fig. 1.
Fig. 1 is the process flow diagram of method for searching path of the in-vehicle navigation apparatus of expression prior art.
Illustrate with reference to Fig. 1:
S100, S102, if from the instruction of user's RX path searching requirement, in-vehicle navigation apparatus just utilizes the GPS-DR information that obtains by GPS and DR sensor, produces the positional information of vehicle self.
S104, afterwards, the numerical map that above-mentioned in-vehicle navigation apparatus has had the vehicle self-position information and the map of above-mentioned generation carries out integrated, corrects the position of vehicle, as the homeposition use of route searching.
S106, S108, afterwards, the search of above-mentioned in-vehicle navigation apparatus to the best/shortest path of destination, utilizes the routing information of above-mentioned search from the present present position of above-mentioned correction, and route guidance information is set.S110 then, above-mentioned in-vehicle navigation apparatus is a route guidance information of exporting above-mentioned setting with voice or image.
When above-mentioned in-vehicle navigation apparatus is provided with route guidance information, judge that whether the user is near the hazardous location, is provided with hazardous location information simultaneously.Afterwards, the route guidance information that comprises above-mentioned hazardous location information with voice or image output.
But above-mentioned prior art is not to be in the hazardous location periphery because of the user, all the time need guiding, but should be according to the direction of passage of hazardous location, judge the necessity of guiding, and in area with complicated condition of road surface, should judge which kind of relation location at risk and travel exist, the operation guiding, but prior art does not relate to this on the one hand.
In addition, the demonstration of hazardous location is the position according to the user, with real-time formation.But search is searched for whole hazardous location during the hazardous location, causes the problems such as guiding, synchronization action delay of system loading, delay with this.
In addition, hazardous location information is to collect the mistake of also dangerous area information self by numerical map and plurality of processes.In order to address these problems, the hazardous location that exists near the certain search field travel is selected as introductory object, at this moment, error is big more, its search field scope is just big more, causes even with the hazardous location near the road, also problem such as guiding mistakenly.
In addition,, collect the hazardous location information of periphery, the problem that the hazardous location near the road is guided mistakenly as the hazardous location on the path will take place if be standard with the path of search.
Summary of the invention
Therefore, the objective of the invention is to address the above problem, the hazardous area guide method on such positioning system is provided, promptly in positioning system, the user arrives before the hazardous location, extracts necessary information, makes the positioning system of its operation guiding.
Other purpose of the present invention is, hazardous area guide method on such positioning system is provided, that is, make its hazardous location data that can effectively use the nationwide, can move the positioning system of searching for that minimizes of moment internal memory use amount with real time high-speed.
Another other purpose of the present invention is, hazardous area guide method on such positioning system is provided, promptly, minimize the mistake between mistake, hazardous location information and the numerical map that is included in the information of hazardous location, prevent the positioning system of minimizing with the guiding of mistake of search speed fully.
To achieve these goals, the method of the guiding hazardous location on the described positioning system is described according to an aspect of the present invention, provide the hazardous area guide method on the positioning system with following characteristics: if receive hazardous location information, just with the electronic chart operation coupling that has had; The match is successful with the place on the corresponding road as if above-mentioned hazardous location information, just according to single map, above-mentioned hazardous location information storage at the hazardous location message file; If instruct from user's RX path searching requirement, with regard to the search subscriber position, the single map that comprises above-mentioned customer location from the search of above-mentioned hazardous location message file, and be the center with above-mentioned customer location, hazardous location information within the single map of the above-mentioned search search maximum search scope, whether the differential seat angle of course and vehicle road of living in of hazardous location of judging above-mentioned search is less than maximum permission differential seat angle; If above-mentioned judged result, the differential seat angle between the course, hazardous location of above-mentioned search and vehicle road of living in allows differential seat angle less than maximum, just above-mentioned hazardous location information is included in introductory object, the output guidance information.
Above-mentioned hazardous location information comprises dangerous kind, position, hazardous location, passes through angle, maximum limit speed.
If receive hazardous location information, just with the electronic chart operation coupling that has had be above-mentioned hazardous location information to be moved with the place on the road mate.
If above-mentioned hazardous location information is with the not success of the coupling of the place on the corresponding road, the match is successful with the place on the road just to make the position, hazardous location, corrects.
The match is successful with the place on the road to make position, above-mentioned hazardous location, correct is to be that the center search certain distance is with interior road with above-mentioned hazardous location, obtain and above-mentioned hazardous location between the map match error, select the road of above-mentioned matching error minimum, judge whether less than the limits of error that have been provided with, if the matching error of the road of above-mentioned selection is less than the limits of error that have been provided with, just position, above-mentioned hazardous location is moved to the road of above-mentioned selection, and the angle of road is corrected as the hazardous location angle.
Above-mentioned matching error is to add up to formation with distance error conversion hazardous location to the distance of road and the value of the angular error between hazardous location and road.
If the road matching error of above-mentioned selection just is divided into the hazardous location that needs factual survey greater than the limits of error that have been provided with.
According to single map, is above-mentioned hazardous location information storage the longitude and latitude of evenly cutting apart national map at the hazardous location message file, the boundary line location information of each single map is recorded in the hazardous location message file, the longitude and latitude of more above-mentioned hazardous location information and the longitude and latitude of each single map, the position of decision hazardous location information, and hazardous location quantity and hazardous location information storage at corresponding hazardous location, above-mentioned decision position message file.
If from above-mentioned user's RX path search information, with regard to the search subscriber position; Comprise from above-mentioned hazardous location message file search above-mentioned customer location single map be if from above-mentioned user's RX path searching requirement information, just real-time search subscriber position, search hazardous location message file, search comprises the single map of the customer location of above-mentioned search; Judge the single map that whether has above-mentioned search on the cache memory (cache), if there is not the single map of above-mentioned search in the cache memory, whether the quantity of just judging the temporary transient single map that stores of above-mentioned cache memory is less than maximum allowable quantity; If the quantity of the temporary transient single map that stores of above-mentioned cache memory does not belong in the maximum allowable quantity, just delete the single map information that stores at first, the single map of above-mentioned search is stored in above-mentioned cache memory.
If there is the single map of above-mentioned search on the above-mentioned cache memory, just the single map of above-mentioned search is stored in cache memory.
Above-mentioned hazardous location message file comprises the place, boundary line of each single map, the band of position quantity of each single map, the hazardous location information of each single map.
Above-mentioned guidance information is with voice or image output.
Effect of the present invention:
As mentioned above, the hazardous area guide method according to the present invention on the positioning system of explanation can provide hazardous area guide method on such positioning system, and promptly the user arrives before the hazardous location, can extract the positioning system of guiding information needed in advance.
In addition, explanation can provide hazardous area guide method on such positioning system according to the present invention, promptly constructs and manage the hazardous location Large Volume Data according to each single map, can search in real time with this; The moment internal memory use amount that the restriction of the single map quantity that minimizing can store because of internal memory causes; Can move the positioning system of supercomputing.
In addition, the explanation according to the present invention, can on such positioning system, provide hazardous area guide method, promptly correct by prior process and form because of the hazardous location information error, can reduce the hunting zone at the hazardous location search step, also can reduce near the positioning system of the error in the road hazard zone of guiding mistakenly.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the process flow diagram of method for searching path of the in-vehicle navigation apparatus of expression prior art.
Fig. 2 is the integrated figure that constitutes at the positioning system of hazardous area guide that roughly represents one embodiment of the present of invention.
Fig. 3 is the process flow diagram of hazardous location message file constructive method of the positioning system of expression one embodiment of the present of invention.
Fig. 4 a and Fig. 4 b are the synoptic diagram of the correction hazardous location location method of expression one embodiment of the invention.
Fig. 5 is the process flow diagram of the hazardous location information storing method of expression one embodiment of the invention.
Fig. 6 is the process flow diagram of the hazardous location information search method of expression one embodiment of the invention.
The symbol description of major part in the accompanying drawing:
200:GPS satellite 210: path search server
220: in-vehicle navigation apparatus 221: input part
222: positional information acceptance division 223: the searching route acceptance division
224: control part 225: reservoir
226: display part 227: inertial navigation sensors
Embodiment
Describe the embodiment of the hazardous area guide method on the positioning system of the present invention below with reference to accompanying drawings in detail.
Fig. 2 is the integrated figure that constitutes at the positioning system of hazardous area guide that roughly represents one embodiment of the invention.
If with reference to Fig. 2 explanation, comprise gps satellite 200, path search server 210, in-vehicle navigation apparatus 220 at the positioning system of hazardous area guide.
Above-mentioned gps satellite 200 is given above-mentioned in-vehicle navigation apparatus 220 the present present position information transmission of vehicle.
Above-mentioned path search server 210 is according to the destination information of user input, gives Real-time Traffic Information or for a long time statistical information, the The coast is clear status information of in-vehicle navigation apparatus 220 transmission from present present position information to destination information.
In addition, above-mentioned path search server 210 gives above-mentioned in-vehicle navigation apparatus 220 transmission new routing information.At this moment, above-mentioned path search server 210 is, in searching route, and when identical with the version of above-mentioned in-vehicle navigation apparatus 220, transmission point of crossing coordinate; Its version transmits the coordinate diagram picture to associated pathway not simultaneously.
Above-mentioned in-vehicle navigation apparatus 220 receives the searching route information of above-mentioned path search server 210 transmission, and route guidance information is set, or own searching route, and route guidance information is set.
In addition, above-mentioned in-vehicle navigation apparatus 220 storing dangerous area information files, so during the path of guiding search, also guide hazardous location information simultaneously.Above-mentioned hazardous location information comprises dangerous kind, position, hazardous location, passes through angle, maximum limit speed.Above-mentioned dangerous kind is to be used for distinguishing hazardous area guide kinds such as hypervelocity explosive area, accident-prone area, zig zag district, thick fog district, tunnel, bridge.
In addition, above-mentioned in-vehicle navigation apparatus 220 arrangement hazardous location information, and make guidance mode changeful, under the situation that breaks away from path and so on, even without by the guiding place, also make its move actual place by the time guiding.
Above-mentioned in-vehicle navigation apparatus 220 comprises input part 221, positional information acceptance division 222, searching route acceptance division 223, control part 224, reservoir 225, display part 226, inertial navigation sensors 227.
Above-mentioned input part 221 receives the destination information of user's input, is transferred to control part 224.
Above-mentioned positional information acceptance division 222 receives the present present position information of above-mentioned gps satellite 200 transmission.
Till the destination information by above-mentioned input part 221 inputs, above-mentioned searching route acceptance division 223 receives the routing information of above-mentioned path search server 210 transmission, is transferred to control part 224 corresponding to present present position information and user.
Above-mentioned control part 224 is routing information or inertial navigation sensors 227 of utilizing above-mentioned path search server 210 transmission, judge associated vehicle whether break away from oneself the search routing information, if judged result is that associated vehicle breaks away from above-mentioned geography information, the cartographic information that just utilizes reservoir 225 to store in advance, searching route automatically.
In addition, above-mentioned control part 224 is searched for the hazardous location information that is included in the above-mentioned searching route from the hazardous location message file 225b that above-mentioned reservoir 225 has.Afterwards, if the differential seat angle of the course of the hazardous location of above-mentioned search and vehicle road of living in allows differential seat angle less than maximum, above-mentioned control part 224 just is included in introductory object to above-mentioned hazardous location information, by display part 226 output guidance informations.
The guidance information that comprises above-mentioned searching route information and hazardous location information is with voice or image output by display part 226.
Above-mentioned reservoir 225 comprises map information database 225a and hazardous location message file 225b.
Above-mentioned hazardous location message file 225b is boundary line location information, hazardous location quantity, hazardous location information, the guiding location information that stores each single map.
To constituting the method for above-mentioned hazardous location message file 226b, describe with reference to Fig. 3.
Fig. 3 is the process flow diagram of hazardous location message file constructive method on the positioning system of expression one embodiment of the invention.
Illustrate with reference to Fig. 3:
The S200 system manager collects hazardous location information earlier.
Above-mentioned hazardous location information comprises dangerous kind, position, hazardous location, passes through angle, maximum limit speed etc.Above-mentioned dangerous kind is to be used for distinguishing hazardous area guide kinds such as hypervelocity explosive area, accident-prone area, zig zag district, thick fog district, tunnel, bridge.
Position, above-mentioned hazardous location is meant the position that the hazardous location begins, and above-mentioned is vehicle course heading during through the hazardous location by angle, even vehicle is in the location at risk periphery, and also only under the situation little by angular error, the operating risk regional guidance.
S202, as mentioned above, if collected hazardous location information by the system manager, positioning system is just moved map match to the hazardous location information of above-mentioned formation with the place on the road.That is, the positional information of coordinate of above-mentioned hazardous location information and so on is mated with the operation of the place on the map road that has in advance.
S204, afterwards, the matching result of determining step 202, whether the match is successful with the place on the road for above-mentioned hazardous location information.
S206, the judged result of step 204, the match is successful with the place on the road as if above-mentioned hazardous location information, and said system is with regard to storing dangerous area information.At this moment, above-mentioned positioning system is to store above-mentioned hazardous location information according to each single map.Store the method for above-mentioned hazardous location information according to each single map with reference to Fig. 5 explanation.
S208, if the judged result of step 204, above-mentioned hazardous location information does not have with the place on the road that the match is successful, and said system is just corrected, and the match is successful with the place on the road to make the position, hazardous location.To correcting the method for position, above-mentioned hazardous location, with reference to Fig. 4 a and Fig. 4 b explanation.
The user can utilize the hazardous location message file of above-mentioned storage, and providing of route guidance information is provided.When promptly providing route guidance information to the user, positioning system is to judge user's position, and search is exported corresponding hazardous location information according to the hazardous location information of its judged result.
Because of above-mentioned hazardous location message file is according to each single map management hazardous location Large Volume Data, can carry out real-time search; At the hazardous location search step, can reduce the hunting zone, therefore can reduce the mistake that guides the hazardous location near road mistakenly.
Fig. 4 a and Fig. 4 b are the synoptic diagram of the correction hazardous location location method of expression one embodiment of the invention.
Correct the position, hazardous location when to be hazardous location information with the place on the road do not have that the match is successful, and the match is successful with the place on the road to make the position, hazardous location.
With reference to Fig. 4 a:
S300, S302, positioning system is to be that the center search certain distance is with interior road with the hazardous location.Afterwards, utilize mathematical expression 1 to calculate map match error S302 between the road of above-mentioned hazardous location and above-mentioned search.
[mathematical expression 1]
Matching error=hazardous location is to the distance of road+with the value of the angular error between distance error conversion hazardous location and road.
S304, S306, behind the operating procedure 302, said system is selected the road of matching error minimum, and whether the road matching error of judging above-mentioned selection is less than the limits of error that have been provided with.
S308, the judged result of step 306, if the road matching error of above-mentioned selection less than the limits of error that have been provided with, just the road to above-mentioned selection moves position, above-mentioned hazardous location, and the road angle is corrected as the hazardous location angle.
S310, if the judged result of step 306, the road matching error of above-mentioned selection is greater than the limits of error that have been provided with, said system just is divided into the hazardous location that needs factual survey to above-mentioned hazardous location.
As mentioned above, hazardous location information does not have with the place on the road that the match is successful, and positioning system just should be searched for travel periphery certain distance with interior hazardous location, selects as introductory object.At this moment, exist side by side as if road conditions complexity or near road, just the hazardous area guide that might make a mistake.
If, as the C field, during vehicle ' road A, might move the guiding of the hazardous location that is near road-road B with reference to figure-4b explanation.If by the position of hazardous location map match correction hazardous location, just as the D field, the position of hazardous location moves on the road, therefore can reduce the hazardous location search radius, can address the above problem.
Fig. 5 is the process flow diagram of the hazardous location information storing method of expression one embodiment of the invention.
Illustrate with reference to Fig. 5:
S400, S402 are evenly cut apart the longitude and latitude of national map, and the boundary line location information of each single map is recorded in hazardous location message file head.Here, above-mentioned single map is meant the longitude and latitude of evenly cutting apart national map, a divided unit.
S404 behind the operating procedure 402, compares the longitude and latitude of hazardous location information and the longitude and latitude of each single map, the position of decision hazardous location information.Promptly the longitude and latitude of above-mentioned hazardous location information longitude and latitude and each single map is compared, which single map the position of decision hazardous location belongs on earth.
S406, afterwards, the quantity of hazardous location and hazardous location information storage at corresponding hazardous location, the position of above-mentioned decision message file.Therefore, each hazardous location message file will write down boundary line location information, hazardous location quantity, the hazardous location information of single map.
Fig. 6 is the process flow diagram of the hazardous location information search method of expression one embodiment of the invention.
Illustrate with reference to Fig. 6:
S500, S502, the real-time search subscriber of positioning system position, and search hazardous location message file, inquiry comprises the single map of the customer location of above-mentioned search.That is, above-mentioned positioning system is utilized the boundary line location information of the dated single map of above-mentioned hazardous location message file, and which single map the customer location of searching for above-mentioned search belongs on earth.
S504, afterwards, said system judges whether the single map of above-mentioned search exists on cache memory.
S506, the judged result of step 504, if there is not the single map of above-mentioned search on the above-mentioned cache memory, said system just judges whether the temporary transient single map quantity that stores of above-mentioned cache memory belongs in the maximum allowable quantity.
S508, the judged result of step 506, if the temporary transient single map quantity that stores of above-mentioned cache memory does not belong in the maximum allowable quantity, said system is just deleted the single map information that stores at first, and the single map of above-mentioned search is stored in cache memory.
S510, afterwards, said system is to be the center with the customer location, belongs to the maximum search scope with interior hazardous location information from the search of the single map of above-mentioned search.
In the time of S512, operating procedure 510, said system judges whether above-mentioned maximum search scope surmounts the boundary line of the single map of above-mentioned search.
S514, the judged result of step 512, if above-mentioned maximum search scope does not surmount the boundary line of the single map of above-mentioned search, said system just judges whether the course, hazardous location of above-mentioned search and the differential seat angle between vehicle road of living in allow differential seat angle less than maximum.
The judged result of step 514, if the differential seat angle between the course, hazardous location of above-mentioned search and vehicle road of living in is not less than the maximum differential seat angle that allows, said system just stops this step.
S518, if the judged result of step 514, the differential seat angle between the course, hazardous location of above-mentioned search and vehicle road of living in allows differential seat angle less than maximum, said system just is included in introductory object to above-mentioned hazardous location information, the output guidance information.With voice or/and image format is exported above-mentioned guidance information.
If there is the single map of above-mentioned search in the judged result of step 504 on the above-mentioned cache memory, said system is with regard to operating procedure 510.
If the judged result of step 506, the single map quantity that above-mentioned cache memory has be less than maximum allowable quantity, said system just is stored in S516 behind the cache memory, operating procedure 510 to the single map of above-mentioned search.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (8)
1. the hazardous area guide method on the positioning system is characterized in that comprising the steps:
The electronic chart that coupling has had and the step of hazardous location information, this step are that the positional information of above-mentioned hazardous location information and the place operation on the map road that has are in advance mated;
If the place on above-mentioned hazardous location information and the corresponding road does not have that the match is successful, the match is successful just to make place on position, hazardous location and the road, moves the step of correction;
If the match is successful for the place on above-mentioned hazardous location information and the corresponding road, just according to single map, the step of above-mentioned hazardous location information storage at the hazardous location message file;
If from user's RX path searching requirement instruction,, and comprise the step of the single map of above-mentioned customer location from the search of above-mentioned hazardous location message file with regard to the search subscriber position;
With above-mentioned customer location is the center, searches for the step of maximum search scope with interior hazardous location information from the single map of above-mentioned search;
Whether course, hazardous location and the differential seat angle between vehicle road of living in of judging above-mentioned search allow differential seat angle less than maximum, and according to its result, above-mentioned hazardous location information is included in introductory object, the step of output guidance information;
Wherein, describedly make place on position, hazardous location and the road the match is successful, the step that operation is corrected is to comprise the steps:
With above-mentioned hazardous location is the center, and the search certain distance is obtained the step with the map match error of above-mentioned hazardous location with interior road;
Select the road of above-mentioned matching error minimum, judge whether step less than the limits of error that have been provided with;
If the road matching error of above-mentioned selection is less than the limits of error that have been provided with, just the road to above-mentioned selection moves position, above-mentioned hazardous location, and the road angle is corrected as the step of hazardous location angle.
2. the hazardous area guide method on the positioning system as claimed in claim 1 is characterized in that:
Above-mentioned hazardous location information be comprise dangerous kind, position, hazardous location, by angle, maximum limit speed.
3. the hazardous area guide method on the positioning system as claimed in claim 1 is characterized in that:
To be the hazardous location to the distance of road with the value that the angular error between hazardous location and road is converted to distance error add up to above-mentioned matching error forms.
4. the hazardous area guide method on the positioning system as claimed in claim 1 is characterized in that:
Described according to single map, be above-mentioned hazardous location information storage to comprise the steps: in the step of hazardous location message file
Evenly cut apart national map with longitude and latitude, the boundary line location information of each single map is recorded in the step of hazardous location message file;
The longitude and latitude of more above-mentioned hazardous location information and the longitude and latitude of each single map, the step of decision information position, hazardous location;
Hazardous location quantity and hazardous location information storage step at corresponding hazardous location, above-mentioned decision position message file.
5. the hazardous area guide method on the positioning system as claimed in claim 1 is characterized in that:
Described if from the instruction of above-mentioned user's RX path searching requirement, with regard to the search subscriber position, and comprise that from the search of above-mentioned hazardous location message file the step of the single map of above-mentioned customer location is to comprise the steps:
If from above-mentioned user's RX path search information, just real-time search subscriber position, and search hazardous location message file, the step of searching for the single map of the customer location that comprises above-mentioned search;
Judge the step that whether has the single map of above-mentioned search on the cache memory;
If there is not the single map of above-mentioned search on the cache memory, just judge whether the quantity of the temporary transient single map that stores of above-mentioned cache memory belongs to maximum allowable quantity with interior step;
If the quantity of the temporary transient single map that stores of above-mentioned cache memory does not belong in the maximum allowable quantity, just delete the information of the single map that stores at first, the single map of above-mentioned search is stored in the step of above-mentioned cache memory.
6. the hazardous area guide method on the positioning system as claimed in claim 5 is characterized in that also comprising:
If there is the single map of above-mentioned search on the above-mentioned cache memory, just the single map of above-mentioned search is stored in the step of cache memory.
7. the hazardous area guide method on the positioning system as claimed in claim 1 is characterized in that:
Above-mentioned hazardous location message file is the place, boundary line that comprises each single map, the band of position quantity of each single map, the hazardous location information of each single map.
8. the hazardous area guide method on the positioning system as claimed in claim 1 is characterized in that:
Whether the described course, hazardous location of judging above-mentioned search and the differential seat angle between vehicle road of living in allow in the step of differential seat angle less than maximum, if the course, hazardous location of above-mentioned search and the differential seat angle between vehicle road of living in allow differential seat angle less than maximum, just above-mentioned hazardous location information is included in introductory object, the output guidance information; Otherwise, can not be included in introductory object to above-mentioned hazardous location information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100302197A CN1940480B (en) | 2005-09-29 | 2005-09-29 | Hazardous area guiding method for location system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100302197A CN1940480B (en) | 2005-09-29 | 2005-09-29 | Hazardous area guiding method for location system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1940480A CN1940480A (en) | 2007-04-04 |
| CN1940480B true CN1940480B (en) | 2010-11-10 |
Family
ID=37958867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100302197A Expired - Fee Related CN1940480B (en) | 2005-09-29 | 2005-09-29 | Hazardous area guiding method for location system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1940480B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251669B (en) * | 2016-08-18 | 2018-11-23 | 深圳市永兴元科技股份有限公司 | Vehicle drive reminding method and device |
| CN106251670B (en) * | 2016-08-18 | 2018-11-23 | 深圳市永兴元科技股份有限公司 | Vehicle drive reminding method and device |
| CN112606788A (en) * | 2020-11-20 | 2021-04-06 | 湖南中车智行科技有限公司 | Vehicle transaction protection method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6721652B1 (en) * | 2002-11-22 | 2004-04-13 | Electronic Data Systems Corporation (EDS) | Implementing geo-fencing on mobile devices |
| CN1512138A (en) * | 2002-12-30 | 2004-07-14 | 厦门雅迅网络股份有限公司 | Method for realizing vehicle network navigation based on GPS and GPRS |
| CN1521485A (en) * | 2003-02-10 | 2004-08-18 | 爱信艾达株式会社 | Navigation system, and program and storage medium for use in the same |
-
2005
- 2005-09-29 CN CN2005100302197A patent/CN1940480B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6721652B1 (en) * | 2002-11-22 | 2004-04-13 | Electronic Data Systems Corporation (EDS) | Implementing geo-fencing on mobile devices |
| CN1512138A (en) * | 2002-12-30 | 2004-07-14 | 厦门雅迅网络股份有限公司 | Method for realizing vehicle network navigation based on GPS and GPRS |
| CN1521485A (en) * | 2003-02-10 | 2004-08-18 | 爱信艾达株式会社 | Navigation system, and program and storage medium for use in the same |
Non-Patent Citations (1)
| Title |
|---|
| JP 昭60-1512 A,说明书第77页右下段，附图7. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1940480A (en) | 2007-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7071843B2 (en) | Navigation system and navigation equipment | |
| US7565241B2 (en) | Automobile navigation system and road map update system | |
| KR100688856B1 (en) | Navigation apparatus and server apparatus | |
| EP1589511B1 (en) | Apparatus and method for processing traffic information | |
| US7406381B2 (en) | Navigation system, vehicle navigation apparatus, and method for obtaining navigation information | |
| CN100582669C (en) | Map data updating method | |
| US20060142939A1 (en) | System and method for navigation | |
| JP4808235B2 (en) | In-vehicle information terminal | |
| JP2009115814A (en) | Information center and information processing method | |
| KR20070032948A (en) | Route navigation device, route navigation method and program | |
| EP1243896A2 (en) | Map information providing apparatus and method | |
| US20200307576A1 (en) | Driver assistance apparatus and driver assistance method | |
| KR20100005048A (en) | Map display system, map display, and map display method | |
| CN103105170A (en) | Road data creating device, method, and program | |
| JP4456667B2 (en) | Navigation device | |
| CN100535599C (en) | Hazardous area guide method for vehicle navigation equipment | |
| CN1940480B (en) | Hazardous area guiding method for location system | |
| CN101603835A (en) | Level navigational system and air navigation aid thereof based on wireless communication technology | |
| JP4774555B2 (en) | Route search system, data structure of route search data, server device, terminal device, server device program, terminal device program, and route search method | |
| US6418375B2 (en) | Navigation method using a small volume of data | |
| JP2005010060A (en) | Map data distribution method in communication type navigation system | |
| JPH10281796A (en) | Route search device, navigation apparatus and medium on which computer program for navigation processing is stored | |
| KR100605944B1 (en) | Navigation system and method for guide path considered user preferences | |
| CN102362153A (en) | Navigation server and navigation system | |
| CN101526365A (en) | Fuzzy navigation method and device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20130929 |