CN100535599C - Hazardous area guide method for vehicle navigation equipment - Google Patents
Hazardous area guide method for vehicle navigation equipment Download PDFInfo
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- CN100535599C CN100535599C CNB2005100301866A CN200510030186A CN100535599C CN 100535599 C CN100535599 C CN 100535599C CN B2005100301866 A CNB2005100301866 A CN B2005100301866A CN 200510030186 A CN200510030186 A CN 200510030186A CN 100535599 C CN100535599 C CN 100535599C
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Abstract
A guiding method of vehicle navigation device in dangerous area includes searching path from current position to destination and searching information file of dangerous area if path search request command is received by user judging whether angle difference between navigation direction of searched dangerous area and road existed by vehicle is in maximum allowable angle scope or not if guiding position is successfully matched to path and carrying out arrangement and guidance on information of dangerous area according to guide driving plan of searched path if said angle difference is in maximum allowable value scope.
Description
Technical field
The present invention is that relevant utilization can be managed the actual place of hazardous location and the hazardous location message file of guiding location information, moves the hazardous area guide method of a kind of in-vehicle navigation apparatus of correct hazardous location warning introduction.
Background technology
In-vehicle navigation apparatus is such equipment, promptly for vehicle ' to the destination that the driver will arrive, make it can calculating path, and travel with the path of calculating, consider present present position of vehicle and travel direction, pass on the equipment of the indication of travelling to the driver.In general, in-vehicle navigation apparatus is to constitute time point according to device independence that route searching and service are provided and guidance information, classifies.
In addition, in-vehicle navigation apparatus is to continue to detect vehicle location, monitors whether break away from the above-mentioned optimal route that provides, if break away from its path, just points out the situation that breaks away from optimal route to the driver, makes it can come back to optimal route and travels, and 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.
If 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 (Dead Reckoning) sensor, produces the positional information of vehicle self.
S104, afterwards, the numerical map that above-mentioned in-vehicle navigation apparatus has the vehicle self-position information and the map of above-mentioned generation in advance 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 used other map, only collects hazardous location information in advance by GPS, and as the information of introductory object management to this, therefore, even operation is corrected through the position of repetition test, in the zone that can't receive GPS, have can not the correct judgment place problem.
In addition,, collect 2 kinds of positional informations in actual place and guiding place, but because of receiving GPS, the guiding place that is difficult to grasp actual travel distance is an example, is difficult to guarantee the tram for passing through of actual danger zone.
In addition,, do not have the information of collecting, therefore can from introductory object, foreclose, but the location tracking of temporary transient or chronicity gps satellite because of the inertial navigation technology factor, may cause guiding to be omitted when causing cumulative errors in the zone that can't receive GPS.
In addition, extract,, have deviation, can not move according to the map integrated according to the gps satellite accepting state because of relying on GPS information to carry out the position.So, be difficult to extract correct place, higher to the dependency degree of environment.
In addition, rely on GPS information, do not exist, also error may take place venue guiding that can't the received signal zone because of being limited to the information of collecting the hazardous location; Because of not understanding fully tram, integrated according to the map actual danger zone, do not exist near the clear and definite standard of distinguishing by passing through with actual place.
To multiple path by actual place, can not manage the guiding in whole places, therefore guiding may take place omit.
Summary of the invention
Therefore, the objective of the invention is to address the above problem, the hazardous area guide method of such in-vehicle navigation apparatus is provided, that is, the state that the in-vehicle navigation apparatus of utilization and the integrated positional information of use can be integrated, arrangement hazardous location, and make guidance mode changeful, under the situation that breaks away from path and so on, even without by the guiding place, also can move actual place by the time the in-vehicle navigation apparatus of guiding.
Other purpose of the present invention is, the hazardous area guide method of such in-vehicle navigation apparatus is provided, and, utilizes the in-vehicle navigation apparatus that inertial navigation set and map are housed that is, move the in-vehicle navigation apparatus that correct hazardous location warning guides.
Other purpose of the present invention is, the hazardous area guide method of such in-vehicle navigation apparatus is provided, that is, to the mode that constitutes and manage the actual danger area information once more with correct information, the in-vehicle navigation apparatus of specializing.
Other purpose of the present invention is, the hazardous area guide method of such in-vehicle navigation apparatus is provided, that is, and during path of navigation, minimized real-time calculated amount can reduce the in-vehicle navigation apparatus that the Overhead (additional information) in the general route guidance influences.
To achieve these goals, the hazardous area guide method of in-vehicle navigation apparatus of the present invention, comprise: if instruct from user's RX path searching requirement, just search for path from present present position to the destination, and be included in hazardous location information in the above-mentioned searching route from the hazardous location message file search that has had, as the guiding directory management; Also the path of the guiding place of above-mentioned hazardous location information and above-mentioned search operation coupling, if whether above-mentioned guiding place and above-mentioned route matching successfully, are just judged the course of hazardous location of above-mentioned search and the differential seat angle between vehicle road of living in and are belonged in the maximum permissible value scope; If above-mentioned judged result, the differential seat angle between the course of the hazardous location of above-mentioned search and vehicle road of living in belongs within the maximum permissible value scope, and just according to the guiding of the searching route plan of travelling, operation is arranged and guiding to above-mentioned hazardous location information.
Above-mentioned hazardous location message file comprises place, boundary line, hazardous location information, hazardous location number, the guiding location information of each single map, and above-mentioned hazardous location information comprises that the point coordinate practically of hazardous location ID, guiding location coordinates and its angle, hazardous location and its enter angle, hazardous location kind, maximum speed limit.
If above-mentioned guiding place and above-mentioned path do not match, or the differential seat angle between the course of the hazardous location of above-mentioned search and the residing road of vehicle do not belong in the maximum permissible value, just from above-mentioned introductory object directory delete hazard area information.
Search for above-mentioned hazardous location message file, the process that extraction is included in the hazardous location information in the above-mentioned searching route is to utilize the boundary line location information of the single map that indicates on the message file of above-mentioned hazardous location, extracts the hazardous location information that is included in the above-mentioned searching route.
According to searching route, to the operation guiding of above-mentioned hazardous location information is pass through judgement if associated vehicle near the actual place of operation guiding closely, is just removed above-mentioned vehicle derailing when remote; If above-mentioned vehicle near the guiding place of not moving guiding closely, with regard to the operating risk regional guidance; If above-mentioned vehicle is remote near the actual place of not moving guiding, with regard to the operating risk regional guidance.
In order to realize above-mentioned other purpose of the present invention, the hazardous area guide method of in-vehicle navigation apparatus of the present invention comprises: after collecting hazardous location information, utilize the cartographic information that has had, with the operation of the place on road map match; The match is successful with the place on the road as if above-mentioned hazardous location information, just judges the single map that comprises above-mentioned hazardous location information above-mentioned hazardous location information to be recorded in hazard area information file; Utilize the cartographic information that has had, map match is moved with the place on the road in the guiding place of above-mentioned hazardous location information; The match is successful with the place on the road as if above-mentioned guiding place, just corrects the distance between above-mentioned guiding place and hazardous location, and above-mentioned guiding location information is recorded in above-mentioned hazardous location message file.
If above-mentioned hazardous location information does not have with the place on the road that the match is successful, just classify, make it correct the position of hazardous location.
Above-mentioned hazardous location message file has the boundary line location information of each single map.
Effect of the present invention:
As mentioned above, according to the hazardous area guide method of in-vehicle navigation apparatus provided by the invention, promptly can solve simultaneously according to the tender spots-guide position correctness of the whether approaching hazardous location warning guiding terminal machine of the coordinate that only relies on GPS and the in-vehicle navigation apparatus of the guiding omission that route planning may cause.
In addition, according to the present invention, the hazardous area guide method of such in-vehicle navigation apparatus can be provided, promptly constitute and make it directly relatively move the coordinate of integrated hazardous location information of map and terminating machine positional information, minimize the error originated from input of actual danger area information, and can expect to guide the in-vehicle navigation apparatus of the correct guiding in place.
In addition, according to the present invention, the hazardous area guide method of such in-vehicle navigation apparatus can be provided, promptly because of integrated coordinate, need not the limit (Margin) of consideration to leaving road surface (Off-Road), directly to same coordinate operation actual coordinate relatively, can reduce the in-vehicle navigation apparatus of calculated amount with this.
In addition, according to the present invention, the hazardous area guide method of such in-vehicle navigation apparatus can be provided, promptly only the hazardous location that exists on the path during as introductory object, can minimize the quantity that needs real-time hazardous location relatively, therefore can reduce and append calculated amount, and by these, not at the additional Overhead of in-vehicle navigation apparatus before this, also can increase the in-vehicle navigation apparatus of function.
In addition,, can provide the hazardous area guide method of such in-vehicle navigation apparatus, even the duplex equipment that week the guiding place is passed through has reduced on the driving path with this and to have omitted contingent hazards because of the guiding place according to the present invention; Processing in order to reenter increases the removing function by whether judging, can improve the in-vehicle navigation apparatus of reliability.
In addition, according to the present invention, the hazardous area guide method of such in-vehicle navigation apparatus can be provided, promptly only the hazardous location that exists on the path during as introductory object, the mistake that guides in the time of can eliminating only by the guiding place, and whether approaching judgement is according to the place in the guiding plan of path traveling-position, even the place that will travel is in its vicinity, and also can intended path guiding operation in-vehicle navigation apparatus in proper order.
In addition, according to the present invention, the hazardous area guide method of such in-vehicle navigation apparatus can be provided, promptly with packets of information managing boot object separately, with the interaction of a spot of file and server, also can upgrade easily, and according to single map unit's system, correct and manage among the identical operations with map, also the in-vehicle navigation apparatus that can move.
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 guides the positioning system of hazardous location to constitute of being intended to that roughly represents one embodiment of the invention.
Fig. 3 is the process flow diagram of the formation hazardous location message file method of expression one embodiment of the invention.
Fig. 4 is the process flow diagram of the in-vehicle navigation apparatus hazardous area guide method of expression one embodiment of the invention.
Fig. 5 is the process flow diagram of guiding operation method on the in-vehicle navigation apparatus hazardous area guide time point 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 of in-vehicle navigation apparatus of the present invention below with reference to accompanying drawings in detail.
Fig. 2 is the integrated figure that guides the positioning system of hazardous location to constitute of being intended to 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 that hazardous location ID, hazardous location kind, hazardous location coordinate and its enter angle, guiding location coordinates and it enters 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 passing through the guiding place, the guiding when also making its operation by actual place.
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.
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.
Above-mentioned searching route acceptance division 223 is from present present position information, and is corresponding by the destination information of above-mentioned input part 221 inputs with the user, receives the routing information of above-mentioned path search server 210 transmission, is transferred to control part 224.
Above-mentioned control part 224 is to judge whether associated vehicle breaks away from the routing information of above-mentioned path search server 210 transmission or the routing information of oneself search, 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 to extract hazardous location information in the path that is included in above-mentioned search from hazardous location message file 225b that above-mentioned reservoir 225 has, as the introductory object directory management, and the path of the guiding place of the hazardous location information of above-mentioned management and above-mentioned search operation coupling.Afterwards, if the route matching of above-mentioned guiding place and above-mentioned search success, above-mentioned control part 224 just judges whether the course, hazardous location of above-mentioned search and the differential seat angle between vehicle road of living in belong in the maximum permissible value scope, according to the guiding of the searching route plan of travelling, operation is arranged and guiding to above-mentioned hazardous location information.
That is, the guidance information that comprises above-mentioned searching route information and hazardous location information is by display part 226, with voice or image output.
Above-mentioned reservoir 225 comprises map information database 225a and hazardous location message file 225b.
Above-mentioned hazardous location message file 225b stores boundary line location information, hazardous location quantity, hazardous location information, the guiding location information of each single map.
The method that constitutes above-mentioned hazardous location message file 225b is described with reference to Fig. 3.
Fig. 3 is the process flow diagram of method of the formation hazardous location message file of expression one embodiment of the invention.
Illustrate with reference to Fig. 3:
S300, S302, hazardous location message file constitution equipment is collected hazardous location information, with the operation of the place on the map road that has in advance map match.That is, said system is mated the positional information of above-mentioned hazardous location information coordinate and so on the operation of the place on the map road that has in advance.
S304, afterwards, above-mentioned hazardous location message file constitution equipment is judged above-mentioned hazardous location information, and whether the match is successful with the place on the road.
S306, the judged result of above-mentioned steps 304, the match is successful with the place on the above-mentioned road as if above-mentioned hazardous location information, and above-mentioned hazardous location message file constitution equipment is just judged the single map that comprises above-mentioned hazardous location information, is recorded in hazard area information file.
That is, above-mentioned hazardous location message file constitution equipment is 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 and a unit of cutting apart.
Afterwards, above-mentioned hazardous location message file constitution equipment 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.That is, the longitude and latitude of the more above-mentioned hazardous location of message file constitution equipment, above-mentioned hazardous location information and the longitude and latitude of each single map, decision position, hazardous location is corresponding with which single map.
Afterwards, above-mentioned hazardous location message file constitution equipment the quantity of hazardous location and hazardous location information storage with corresponding hazardous location, the position of above-mentioned decision message file.
Behind S308, the operating procedure 306, above-mentioned hazardous location message file constitution equipment moves map match to the guiding place of above-mentioned hazardous location information with the place on the road.
S310 judges whether the match is successful with the place on the road for the guiding place of above-mentioned hazardous location information.
S312, S314, the judged result of above-mentioned steps 310, the match is successful with the place on the road as if above-mentioned guiding place, and above-mentioned hazardous location message file constitution equipment is just corrected the distance of guiding place and actual intersite, and the guiding location information is recorded in above-mentioned hazardous location message file.
Through this operation, finish the hazardous location message file.So above-mentioned hazardous location message file has place, boundary line, hazardous location information, hazardous location number, the guiding location information of each single map.
Above-mentioned hazardous location information comprises that hazardous location ID, guiding location coordinates and its enter the point coordinate practically of angle, hazardous location and it enters angle, hazardous location kind, maximum speed limit.The formation of above-mentioned hazardous location ID is, in order to remove to an actual danger zone, the contingent repetition guides when arranging the guiding place on the multiple path, give each actual danger zone, if same place is found twice in the guiding field, be standard just, judge whether guiding, make it avoid relevant guiding same place with the practical guide place.
S318, the judged result of step 310, if the match is successful with the place on the road in above-mentioned guiding place, above-mentioned hazardous location message file constitution equipment is just classified, and makes it correct the position in guiding place.Afterwards, the keeper confirms to guide the positional fault in place, corrects.
S316, the judged result of above-mentioned steps 304, if the match is successful with the place on the road for above-mentioned hazardous location information, above-mentioned hazardous location message file constitution equipment is just classified, and makes it correct the position of hazardous location.Afterwards, the keeper confirms the positional fault of hazardous location, corrects.
In sum, the hazardous area guide method of the in-vehicle navigation apparatus of the foregoing description is: if from the instruction of user's RX path searching requirement, just search for the step of present present position to the path, destination; Be included in hazardous location information in the above-mentioned searching route from the hazardous location message file search that stores in advance, as the step of introductory object directory management; The step of the guiding place of above-mentioned hazardous location information with above-mentioned searching route operation coupling; If the success of above-mentioned guiding place and above-mentioned route matching just judges whether the course of hazardous location of above-mentioned search and the differential seat angle of vehicle road of living in belong to maximum permissible value with interior step; Above-mentioned judged result if the differential seat angle of the course of the hazardous location of above-mentioned search and vehicle road of living in belongs in the maximum permissible value, just according to the guiding plan of travelling, is arranged above-mentioned hazardous location information, the step of operation guiding.
More than the hazardous location message file of Gou Chenging is stored in in-vehicle navigation apparatus, is the file that developer/keeper constructs in advance.
Fig. 4 is the process flow diagram of the in-vehicle navigation apparatus hazardous area guide method of expression one embodiment of the invention.
Illustrate with reference to Fig. 4:
S400, S402 require instruction if in-vehicle navigation apparatus receives user's route searching, just judge present residing position, search for the path of present present position to destination.
That is, require instruction, just utilize the GPS-DR information that obtains by GPS and DR (dead reckoning) sensor, produce the positional information of vehicle itself if above-mentioned in-vehicle navigation apparatus receives user's route searching.Afterwards, the digital map that above-mentioned in-vehicle navigation apparatus has had the positional information of the vehicle of above-mentioned generation itself and map carries out integrated, corrects the position of vehicle, uses as the homeposition of route searching.Afterwards, above-mentioned in-vehicle navigation apparatus is searched for the best/shortest path of present present position to the destination of above-mentioned correction.
S404, behind the operating procedure 402, the hazardous location message file that above-mentioned in-vehicle navigation apparatus search has had, inquiry is included in the single map of above-mentioned searching route.That is, above-mentioned hazardous location message file stores by each single map, and therefore, above-mentioned in-vehicle navigation apparatus utilizes the boundary line location information of the dated single map of above-mentioned hazardous location message file, and search is included in the single map in the above-mentioned searching route.
S406, afterwards, above-mentioned in-vehicle navigation apparatus is to be included in hazardous location information in the single map of above-mentioned search with the introductory object directory management.
S408, afterwards, above-mentioned in-vehicle navigation apparatus mates the guiding place of above-mentioned hazardous location information with above-mentioned searching route operation.
S410 judges whether the match is successful with above-mentioned searching route in above-mentioned guiding place.
S412, the judged result of step 410, if the match is successful for above-mentioned guiding place and above-mentioned searching route, above-mentioned in-vehicle navigation apparatus just judges whether the course, hazardous location of above-mentioned search and the differential seat angle of vehicle road of living in belong to the maximum permissible value scope.
S414, the judged result of step 412, if the course of above-mentioned hazardous location and the differential seat angle of vehicle road of living in belong in the maximum permissible value scope, above-mentioned in-vehicle navigation apparatus is just according to the guiding of the searching route plan of travelling, arrange above-mentioned hazardous location information, the operation guiding.
S416, the judged result of step 412, if the differential seat angle of the course of above-mentioned hazardous location and vehicle road of living in does not belong to the maximum permissible value scope, above-mentioned in-vehicle navigation apparatus is just from the above-mentioned hazardous location of introductory object directory delete information.Like this, above-mentioned in-vehicle navigation apparatus can not guide the hazardous location information from above-mentioned introductory object directory delete.In addition, the judged result of step 410, if the path of above-mentioned guiding place and above-mentioned search does not have that the match is successful, above-mentioned in-vehicle navigation apparatus is just from the above-mentioned hazardous location of above-mentioned introductory object directory delete information.
In sum, the hazardous area guide method of the in-vehicle navigation apparatus of the foregoing description is: after collecting hazardous location information, utilize the cartographic information that stores in advance, with the step of the operation of the place on road map match; The match is successful if above-mentioned hazardous location information is with the place on the road, just judges the single map that comprises above-mentioned hazardous location information, above-mentioned hazardous location information is recorded in the step of hazard area information file; Utilize the cartographic information that stores in advance, the step of the guiding place of above-mentioned hazardous location information with the operation of the place on road map match; The match is successful if above-mentioned guiding place is with the place on the road, just corrects the distance between above-mentioned guiding place and hazardous location, above-mentioned guiding location information is recorded in the step of above-mentioned hazardous location message file.
Fig. 5 is the process flow diagram of guiding operation method of the in-vehicle navigation apparatus hazardous area guide time point of expression one embodiment of the invention.
Illustrate with reference to Fig. 5:
S500, in-vehicle navigation apparatus judge that whether near the actual place of operating risk regional guidance closely vehicle.Here, above-mentioned actual place is meant the physical location of hazardous location.Above-mentioned in-vehicle navigation apparatus can guide introductory object once more because of being treated to, need to judge vehicle enter actual place closely the time guiding whether move.
That is, in order to tackle repeatedly the situation by the hazardous location, behind the certain distance by the actual danger zone, whether the operation of initialization by guiding, and the operation guiding was induced when it was reentered.
S502, the judged result of step 500, if above-mentioned vehicle is not near actual place closely, above-mentioned in-vehicle navigation apparatus just judges whether near the guiding place of not moving guiding closely above-mentioned vehicle.At this moment above-mentioned in-vehicle navigation apparatus judges whether the course heading difference that enters angle and vehicle by the guiding place belongs to by allowing in the angle value.
S508, S510, the judged result of step 502, if above-mentioned vehicle is near the guiding place of operation guiding closely, above-mentioned in-vehicle navigation apparatus is with regard to the operating risk regional guidance, and the guiding operation is set finishes mark.
S504, the judged result of step 502, if above-mentioned vehicle does not have near the guiding place that does not have the operation guiding closely, above-mentioned in-vehicle navigation apparatus just judges whether above-mentioned vehicle is remote near the actual place that does not have the operation guiding.
At this moment in-vehicle navigation apparatus confirms that whether actual place exists with interior at the far range of vehicle, also confirm actual place and now the connecting line of present position whether belong in the field-of-view angle scope at vehicle heading.In addition, above-mentioned in-vehicle navigation apparatus also confirm actual place enter angle and whether vehicle course heading difference belongs in the connection angle scope of remote judgement.
The judged result of step 504, if the actual place of the approaching no operation of above-mentioned vehicle guiding is remote, above-mentioned in-vehicle navigation apparatus is with regard to operating procedure 508.
S506, the judged result of step 500, if above-mentioned vehicle is near actual place closely, above-mentioned in-vehicle navigation apparatus pass through judgement during with regard to remote break away from of freeing vehicle.
Above-mentioned steps is as an example expression, and above-mentioned in-vehicle navigation apparatus and above-mentioned steps are irrelevant, according to the actual place of vehicle or guide the whether approaching of place, and can the operating risk regional guidance.
When above-mentioned closely criterion distance is high vehicle speeds,,, can adjust according to practicality verification operation result can guarantee the scope decision of coupling more than at least 3 times.Remote criterion distance is to deduct the closely value of criterion distance with the distance that guarantees less than the distance as guiding place and actual intersite, makes a choice.
In order to minimize actual distance calculation to introductory object, be restricted to the range searching of closely judging, actual distance calculation is to far range, to move optimization before the operation guiding.
As mentioned above, when needing the guiding of hazardous location, in-vehicle navigation apparatus is presented at display part to the warning statement, and the user is given a warning.At this moment, above-mentioned in-vehicle navigation apparatus can not predict guiding place and actual place by the time speed, therefore, be to keep certain gap with maximum speed limit information to the warning guiding operation in hazard zone, the operation guiding.
To introductory object, the repetition of voice guide takes place, when causing to move guiding, if can satisfy the distance range condition, just be treated to it is reruned with interior in the scope that satisfies correlated condition, when having temporary transient guiding operation restriction, constitute and make it can be in the time point operation of attempting to move guiding again.
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 (5)
1, a kind of hazardous area guide method of in-vehicle navigation apparatus is characterized in that comprising:
If, just search for the step of present present position to the path, destination from the instruction of user's RX path searching requirement;
Be included in hazardous location information in the above-mentioned searching route from the hazardous location message file search that stores in advance, as the step of introductory object directory management; Wherein, search for above-mentioned hazardous location message file, extract the hazardous location information that is included in the above-mentioned searching route, be the boundary line location information that utilizes the dated single map of above-mentioned hazardous location message file, extract the hazardous location information that is included in the above-mentioned searching route;
The step of the guiding place of above-mentioned hazardous location information and above-mentioned searching route operation coupling;
If the success of above-mentioned guiding place and above-mentioned route matching just judges whether the course of hazardous location of above-mentioned search and the differential seat angle of vehicle road of living in belong to maximum permissible value with interior step;
Above-mentioned judged result if the differential seat angle of the course of the hazardous location of above-mentioned search and vehicle road of living in belongs in the maximum permissible value, just according to the guiding plan of travelling, is arranged above-mentioned hazardous location information, the step of operation guiding.
2, the hazardous area guide method of in-vehicle navigation apparatus as claimed in claim 1 is characterized in that:
Above-mentioned hazardous location message file is place, boundary line, hazardous location information, hazardous location quantity, the guiding location information that comprises each single map.
3, the hazardous area guide method of in-vehicle navigation apparatus as claimed in claim 2 is characterized in that:
Above-mentioned hazardous location information is to comprise that the point coordinate practically of hazardous location ID, guiding location coordinates and its angle, hazardous location and its enter angle, hazardous location kind, maximum speed limit.
4, the hazardous area guide method of in-vehicle navigation apparatus as claimed in claim 1 is characterized in that also comprising:
If above-mentioned guiding place and above-mentioned route matching are unsuccessful, just from the step of above-mentioned introductory object directory delete hazard area information.
5, the hazardous area guide method of in-vehicle navigation apparatus as claimed in claim 1 is characterized in that also comprising:
If the differential seat angle of the course of the hazardous location of above-mentioned search and vehicle road of living in does not belong in the maximum permissible value, just from the step of above-mentioned introductory object directory delete hazard area information.
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| CNB2005100301866A CN100535599C (en) | 2005-09-29 | 2005-09-29 | Hazardous area guide method for vehicle navigation equipment |
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| CNB2005100301866A CN100535599C (en) | 2005-09-29 | 2005-09-29 | Hazardous area guide method for vehicle navigation equipment |
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| CN100535599C true CN100535599C (en) | 2009-09-02 |
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| US9650233B2 (en) * | 2008-04-18 | 2017-05-16 | The Raymond Corporation | Method for operating an industrial vehicle to manage energy costs |
| TWI406193B (en) * | 2009-12-14 | 2013-08-21 | Univ Southern Taiwan Tech | Regional mobile alert warning system and method |
| JP6364879B2 (en) * | 2014-03-31 | 2018-08-01 | アイシン・エィ・ダブリュ株式会社 | Driving support system, method and program |
| CN106324641A (en) * | 2016-10-01 | 2017-01-11 | 努比亚技术有限公司 | Off-line navigation method and equipment |
| CN108519095A (en) * | 2018-03-08 | 2018-09-11 | 杭州后博科技有限公司 | A kind of the guidance path danger coefficient computing system and method for combination geographical feature |
| CN111221020A (en) * | 2020-03-06 | 2020-06-02 | 上海晶众信息科技有限公司 | Indoor and outdoor positioning method, device and system |
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2005
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