CN104422457B - A kind of air navigation aid and device - Google Patents
A kind of air navigation aid and device Download PDFInfo
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- CN104422457B CN104422457B CN201310385259.8A CN201310385259A CN104422457B CN 104422457 B CN104422457 B CN 104422457B CN 201310385259 A CN201310385259 A CN 201310385259A CN 104422457 B CN104422457 B CN 104422457B
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of air navigation aid and device, traveling or increase the risk for traffic accident occur to solve the problems, such as that navigation device provides in the prior art navigation information can cause user to detour.This method determines current road segment in each section that guidance path includes, determine the navigation go to action information at the crossing of current road segment, and in each track that current road segment includes, determining allows go to action information that the identification information in the track determined is supplied to user with the track for the go to action information match that navigates.By the above method, navigation device can provide a user the information in the track that it should be transformed to, and to which user can timely transform to according to the information on correct track, avoid detour traveling and lane change violating the regulations, can effectively reduce the risk for traffic accident occur.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of air navigation aid and devices.
Background technology
Currently, the application of navigation device is very universal.Navigation device can according to the starting point and destination of input,
Provide a user the navigation route information from the starting point to destination.
In general, can include several ways section and several crossings in a bar navigation path, navigation device can be in user
When will travel to some crossing, prompt user in the navigation go to action at the crossing by broadcasting navigational guidance information.Such as, with
When family also has 100 meters away from next crossing, user " junction ahead please turn left " is prompted.
But a plurality of track is frequently included in a section, permission go to action of this plurality of track at crossing is not
It is identical, as shown in Figure 1.
Fig. 1 is the section schematic diagram for including multilane at present, and in Fig. 1, section 1 includes track A, track B, track C
Totally 3 tracks.Permission go to actions of the track A at crossing is to turn left, that is, vehicle of the traveling on the A of track at crossing only
It can turn left.Permission go to actions of the track B at crossing is straight trip, that is, vehicle of the traveling on the B of track can only at crossing
Straight trip.Permission go to actions of the track C at crossing is straight trip and turns right, that is, vehicle of the traveling on the C of track can at crossing
To keep straight on or turn right.
If user travels on section shown in Fig. 1, and to turn right at crossing, then need to transform to track C in advance
On, and in the prior art, the navigational guidance information that navigation device plays can only prompt vehicle to turn in the navigation at next crossing
To action, such as " junction ahead please turn right " is played.If user does not transform in time before reaching crossing to allow to carry out accordingly
The track of go to action can only then leave a mistake uncorrected and make the best of it, and detour traveling or lane change violating the regulations, increases the risk for traffic accident occur.
Invention content
A kind of air navigation aid of offer of the embodiment of the present invention and device, to solve leading for navigation device offer in the prior art
Boat guidance information can cause user detour traveling or increase there is the problem of risk of traffic accident.
A kind of air navigation aid provided in an embodiment of the present invention, including：
In each section that guidance path includes, determine that user is currently located section as current road segment；
Determine the navigation go to action information at the crossing of the current road segment；
It obtains the identification information in each track of the current road segment and allows go to action information；
In each track of the current road segment, determining allows go to action information and the navigation go to action information phase
Matched track；
The identification information in the track determined is supplied to the user.
A kind of navigation device provided in an embodiment of the present invention, including：
Section determining module is worked as in each section that guidance path includes, determining that user is currently located section and is used as
Preceding section；
Determining module is turned to, for determining the navigation go to action information at the crossing of the current road segment；
Acquisition module, identification information and permission go to action for obtaining each track that the current road segment includes are believed
Breath；
Track determining module, in each track of the current road segment, determine allow go to action information with it is described
The track of navigation go to action information match；
Track prompts output module, for the identification information in the track determined to be supplied to the user.
A kind of air navigation aid of offer of the embodiment of the present invention and device, this method determine in each section that guidance path includes
Current road segment determines the navigation go to action information at the crossing of current road segment, and in each track that current road segment includes,
Determining allows go to action information to carry the identification information in the track determined with the track for the go to action information match that navigates
Supply user.By the above method, navigation device can provide a user the information in the track that it should be transformed to, to which user can
It is timely transformed on correct track according to the information, avoids detour traveling and lane change violating the regulations, can effectively reduce and traffic occur
The risk of accident.
Description of the drawings
Fig. 1 is the section schematic diagram for including multilane at present；
Fig. 2 is navigation procedure provided in an embodiment of the present invention；
Fig. 3 is special track schematic diagram provided in an embodiment of the present invention；
Fig. 4 is navigation device structural schematic diagram provided in an embodiment of the present invention.
Specific implementation mode
Navigation device of the embodiment of the present invention according at crossing navigation go to action information and each track allow to turn to it is dynamic
Make information, the track that user should transform to is determined in each track of current road segment, and the mark in the track determined is believed
Breath is supplied to user, and user is allow timely to be transformed on correct track according to the information, and avoiding detouring travels and break rules and regulations
Lane change can effectively reduce the risk for traffic accident occur.
With reference to the accompanying drawings of the specification, the embodiment of the present invention is described in detail.
Fig. 2 is navigation procedure provided in an embodiment of the present invention, specifically includes following steps：
S201：In each section that guidance path includes, determine section that user is currently located as current road segment.
In embodiments of the present invention, navigation device can determine first according to starting point input by user and destination from this
Arrive the guidance path of the destination with beginning, the embodiment of the present invention does not limit the method for determining guidance path.
Due to usually containing a plurality of section in determining guidance path, in embodiments of the present invention, navigation device can
It first passes through GPS or other localization methods positions user, to determine section that user is currently located, user is currently located
Section as current road segment.
S202：Determine the navigation go to action information at the crossing of current road segment.
After current road segment is determined, navigation device then can be according to the current road of this in the direction of current road segment and guidance path
The direction in next section of section determines the go to action information when user reaches at the crossing of current road segment, as navigates
Go to action information, such as turn left, turn right, straight trip.The embodiment of the present invention is not to determining the method for navigation go to action information also not
It limits.
S203：It obtains the identification information in each track of current road segment and allows go to action information.
In embodiments of the present invention, navigation device can obtaining step S201 is determined from database current road segment include
Each track identification information and allow go to action information.Wherein, the track letter in each track has been pre-saved in database
Breath, the lane information in a track include but not limited to：The identification information in the track, the permission go to action information in the track,
The location information in the track, the directional information in the track etc..The database can be located in navigation device, can also be located at network
In the server of side, if the database is located in server, navigation device can be communicated with the server, to obtain number
According to the identification information for pre-saving each track that current road segment includes in library and allow go to action information.
For example, still being illustrated by taking Fig. 1 as an example, in fig. 1, it is assumed that current road segment is section 1, next section is section
2, then due in section 1 include track A, track B, track C, navigation device obtain this 3 tracks identification information and permit
Perhaps go to action information, the identification information got and permission go to action information are as shown in table 1.
| Track | The identification information in track | The permission go to action information in track |
| Track A | Left-lane | Turn left |
| Track B | Middle lane | Straight trip |
| Track C | Right lane | It turns right, straight trip |
Table 1
In table 1 above, the identification information in track is set in the position in its affiliated section with track, certainly, e.g.,
In Fig. 1, track A is to be located at the track in left side in section 1, therefore set the identification information of track A as left-lane.Certainly, also may be used
To set the identification information in track using other methods, as long as ensureing that the identification information with each track in a road section is uniquely
It can.
Track A only allows to turn left it can be seen from the permission go to action information in each track in table 1, and track B only allows directly
Row, track C allow to turn right and keep straight on.
S204：In each track of current road segment, determining allows go to action information and navigation go to action information phase
The track matched.
That is, navigation device, which in each track of current road segment, determines, allows go to action information and navigation go to action
The identical track of information.
Continue to use the example above, in Fig. 1, current road segment is section 1, and next section is section 2, then in step S202
In, navigation device determines that at the crossing of current road segment, user should turn right, that is, determining in current road segment and next road
The navigation go to action information at crossing between section is right-hand rotation, and due to the permission go to action letter of track C in current road segment
Breath includes turning right, and therefore, navigation device, which determines, allows go to action information and navigation go to action information match（It is the right side
Turn）Track be track C.
S205：The identification information in the track determined is supplied to user.
In embodiments of the present invention, navigation device can pass through the information providings such as graphical display, text importing, speech play
The identification information in the track determined is supplied to user by one or more of formula.
Continue to use the example above, navigation device determines that the permission go to action information of track C in current road segment turns with navigation
After matching to action message, then the method that can graphically illustrate on a display screen is by the identification information of track C（Right lane）It carries
Track C in current road segment e.g. can be shown as highlighted state by supply user on a display screen.Can also on a display screen with
The mode of text importing is by the identification information of track C（Right lane）It is supplied to user, e.g., show that " come in for word on a display screen
Enter right lane ".It can also be by way of speech play, by the identification information of track C（Right lane）It is supplied to user, e.g., broadcast
Put voice " come in enters right lane ".
Certainly, it other than providing the user with the identification information in the track determined, can also be directed to every in current road segment
Track, by the permission go to action information in the track, whether which is that the information in the track determined is also provided to user.
By the above method, navigation device can provide a user the information in the track that it should be transformed to, to which user can
It is timely transformed on correct track according to the information, avoids detour traveling and lane change violating the regulations, can effectively reduce and traffic occur
The risk of accident.
Further, in order to avoid the information in the premature track that should transform to user is supplied to user, to avoid
The premature changing Lane of user, the identification information in the track determined is being supplied to user by navigation device in the embodiment of the present invention
Before, the distance at crossing of the user away from current road segment is also predefined and is less than pre-determined distance.That is, when user away from the crossing at
When distance is less than pre-determined distance, then the identification information in the track determined is supplied to user, otherwise wouldn't provided a user really
The identification information in the track made.It is of course also possible to when user is less than pre-determined distance away from the distance at the crossing, then execute such as
The step of being determined in step S203~S205 shown in Fig. 2 and the identification information in track be provided.Wherein, above-mentioned pre-determined distance can be with
It is set as needed, is such as set as 1000 meters or 500 meters.
In view of there is also the sections for only including 1 track, this bicycle road segment segment to be not related in practical application scene
Therefore changing Lane in order to leave user alone as possible, also saves resource spent when the identification information for providing track, this hair
Navigation device is also predefined before the identification information in the track determined is supplied to user in current road segment in bright embodiment
Including track quantity be more than 1.That is, if it is determined that current road segment in include track quantity be more than 1, then to
Otherwise the identification information that family provides the track determined does not provide a user the identification information in the track determined.Certainly,
Before the step of being determined in executing step S203~S205 as shown in Figure 2 and the identification information in track is provided, judge
Whether the quantity in the track for including in the current road segment determined is more than 1, if so, execute step S203 as shown in Figure 2~
Otherwise S205 does not execute step S203~S205 as shown in Figure 2.
Preferably, in view of in practical application scene, for certain track of current road segment, even if the permission in the track
Go to action information and navigation go to action information match, which also might not be with next section in guidance path
Docking, as shown in Figure 3.
Fig. 3 is special track schematic diagram provided in an embodiment of the present invention, and in figure 3, the current road segment in guidance path is
Section 1, next section in guidance path is section 2, and section 3 is not the section in guidance path, and navigation device is true
It is to turn right to be scheduled on the navigation go to action information at the crossing of current road segment.Include track A, track B, track C, vehicle in section 1
Totally 4 tracks, the permission go to action information of track A are to turn left to road D, and the permission go to action information of track B is straight trip, track
The permission go to action information of C and track D is to turn right.But navigation road can be entered by being driven to along track C after right-hand rotation at crossing
Next section in diameter, i.e. section 2, and section 3 can be entered by being driven at crossing along track D after right-hand rotation, can deviate from this way
Guidance path.
Therefore, in order to improve offer track identification information accuracy, with improve navigation accuracy, in the present invention
In embodiment, if the navigation device track that S204 is determined through the above steps has two or more, in the track that will be determined
Identification information be supplied to before user, will also in the every track determined, determine with guidance path in the current road segment
Next section docking track.Correspondingly, in step S205 shown in Fig. 2, navigation device can will then determine with
The identification information in the track of next section docking is supplied to user.
It is still illustrated by taking Fig. 3 as an example, due in current road segment（Section 1）With next section（Section 2）Between road
Navigation go to action information at mouthful is turns right, therefore the permission that navigation device is determined in each track that current road segment includes
Go to action information and the track of navigation go to action information match are track C and track D, and due to track C and next
Section is docked, and track D is not docked with next section, and therefore, navigation device selects track C in track C and track D, by vehicle
The identification information of road C is supplied to user, the identification information of track D is not supplied to user, to avoid user along track D travel and
Deviate guidance path.
Preferably, in embodiments of the present invention, in step S204, in each track of the navigation device in current road segment really
Make allow go to action information with navigate go to action information match track after, if it is determined that the track gone out have two with
On, then optimal track can also be selected in each track determined, and the identification information in optimal track is supplied to user.
Alternatively, if when the track docked with next section determined in each track determined has two or more, it can also
Optimal track is further selected in each track docked with next section determined, and the mark in optimal track is believed
Breath is supplied to user.Specifically, navigation device can according to navigation go to action information, each track determined allow to turn to it is dynamic
Make information, the track for meeting and presetting track screening rule is selected in each track determined, and by the track selected
Identification information is supplied to user.
The method that above-mentioned selection meets the track for presetting track screening rule specifically includes：
If navigation go to action information is to turn left to turn around, in each track determined, select positioned at the leftmost side
Track；
If navigation go to action information is to turn right to turn around, in each track determined, select positioned at the rightmost side
Track；
If go to action information of navigating is straight trip, in each track determined, select positioned at intermediate track；
If navigation go to action information be to turn left and in each track for determining exist permission go to action information to be only
It is selected positioned at the track of the rightmost side then in allowing go to action information to be only the track turned left in the track of left-hand rotation；
If navigation go to action information be turn left and there is no permission go to action information in each track for determining only
It is selected positioned at the track of the leftmost side then in each track determined for the track of left-hand rotation；
If navigation go to action information be to turn right and in each track for determining exist permission go to action information to be only
It is selected positioned at the track of the leftmost side then in allowing go to action information to be only the track turned right in the track of right-hand rotation；
If navigation go to action information be turn right and there is no permission go to action information in each track for determining only
It is selected positioned at the track of the rightmost side then in each track determined for the track of right-hand rotation.
Above-mentioned left-hand rotation is turned around, the method that optimal track is selected when turning around, turn left, turning right of turning right is all based on and user is facilitated to turn
To the considerations of, method that when straight trip selects optimal track is can be with fast running based on the considerations of user.
In addition, the track that navigation device can also position user where go current road segment, if the track where user
It is not the track that step S204 is determined in Fig. 2, then provides a user the prompt for entering through the track that step S204 is determined
Information.The method for providing the prompt message equally includes but not limited to：Graphical display, text importing, speech play etc..
It is air navigation aid provided in an embodiment of the present invention above, is based on same invention thinking, the embodiment of the present invention also carries
For a kind of navigation device, as shown in Figure 4.
Fig. 4 is navigation device structural schematic diagram provided in an embodiment of the present invention, is specifically included：
Section determining module 401, in each section that guidance path includes, determining that user is currently located section conduct
Current road segment；
Determining module 402 is turned to, for determining the navigation go to action information at the crossing of the current road segment；
Acquisition module 403, identification information for obtaining each track that the current road segment includes and allows to turn to dynamic
Make information；
Track determining module 404, in each track of the current road segment, determining to allow go to action information and institute
State the track of navigation go to action information match；
Track prompts output module 405, for the identification information in the track determined to be supplied to the user.
Described device further includes：
It is described for being supplied to the track determined in track prompt output module 405 apart from determining module 406
Before user, determine that the user is less than pre-determined distance away from the distance at the crossing.
The track determining module 404 is additionally operable to, however, it is determined that the track gone out has two or more, then is prompted in the track defeated
Go out before the track determined is supplied to the user by module 405, in the every track determined, determines and the navigation
The track of the next section docking of current road segment described in path.
Described device further includes：
Optimal determining module 407, when the track for being determined when the track determining module 404 has two or more, root
According to the navigation go to action information, the permission go to action information in each track determined, selected in each track determined
It selects out satisfaction and presets the track of track screening rule, and the identification information in the track selected is supplied to the user.
The optimal determining module 407 is specifically used for, if the navigation go to action information is to turn left to turn around, true
In each track made, select positioned at the track of the leftmost side；If the navigation go to action information is to turn right to turn around,
In each track determined, select positioned at the track of the rightmost side；If the navigation go to action information is straight trip, true
In each track made, select positioned at intermediate track；If the navigation go to action information is turned left and is determined
Existing in each track allows go to action information to be only the track of left-hand rotation, then is allowing go to action information to be only the track of left-hand rotation
In, it selects positioned at the track of the rightmost side；If the navigation go to action information be in left-hand rotation and each track for determining not
In the presence of the track for allowing go to action information only to turn left the vehicle positioned at the leftmost side is selected then in each track determined
Road；If the navigation go to action information be to turn right and in each track for determining exist that go to action information is allowed to be only right
It is selected positioned at the track of the leftmost side then in allowing go to action information to be only the track turned right in the track turned；If described
Navigation go to action information be to turn right and in each track for determining there is no allowing go to action information to be only the track of right-hand rotation,
Then in each track determined, select positioned at the track of the rightmost side.
Described device further includes：
Lane change reminding module 408, for the track where determining the user go the current road segment, if the use
The track that track where family is not to determine out then provides the prompt message for entering the track determined to the user.
A kind of air navigation aid of offer of the embodiment of the present invention and device, this method determine in each section that guidance path includes
Current road segment determines the navigation go to action information at the crossing of current road segment, and in each track that current road segment includes,
Determining allows go to action information to carry the identification information in the track determined with the track for the go to action information match that navigates
Supply user.By the above method, navigation device can provide a user the information in the track that it should be transformed to, to which user can
It is timely transformed on correct track according to the information, avoids detour traveling and lane change violating the regulations, can effectively reduce and traffic occur
The risk of accident.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, the application can be used in one or more wherein include computer usable program code computer
Usable storage medium（Including but not limited to magnetic disk storage, CD-ROM, optical memory etc.）The computer program of upper implementation produces
The form of product.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic tape cassette, tape magnetic disk storage or other magnetic storage apparatus
Or any other non-transmission medium, it can be used for storage and can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include non-temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.
The application is with reference to method, the equipment according to the embodiment of the present application（System）And the flow of computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out the embodiment of the present application various modification and variations without departing from this Shen
Please embodiment spirit and scope.In this way, if these modifications and variations of the embodiment of the present application belong to the application claim
And its within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.
Claims (8)
1. a kind of air navigation aid, which is characterized in that including：
In each section that guidance path includes, determine that user is currently located section as current road segment；
Determine the navigation go to action information at the crossing of the current road segment；Wherein, the navigation go to action information is
Go to action information when user reaches at the crossing of current road segment；
It obtains the identification information in each track of the current road segment and allows go to action information；
In each track of the current road segment, determining allows go to action information and the navigation go to action information match
Track；
If the navigation go to action information is to turn left to turn around, in each track determined, select positioned at the leftmost side
Track；
If the navigation go to action information is to turn right to turn around, in each track determined, select positioned at the rightmost side
Track；
If the navigation go to action information is straight trip, in each track determined, select positioned at intermediate track；
If the navigation go to action information be to turn left and in each track for determining exist permission go to action information to be only
It is selected positioned at the track of the rightmost side then in allowing go to action information to be only the track turned left in the track of left-hand rotation；
If the navigation go to action information be turn left and there is no permission go to action information in each track for determining only
It is selected positioned at the track of the leftmost side then in each track determined for the track of left-hand rotation；
If the navigation go to action information be to turn right and in each track for determining exist permission go to action information to be only
It is selected positioned at the track of the leftmost side then in allowing go to action information to be only the track turned right in the track of right-hand rotation；
If the navigation go to action information be turn right and there is no permission go to action information in each track for determining only
It is selected positioned at the track of the rightmost side then in each track determined for the track of right-hand rotation；
The identification information in the track selected is supplied to the user.
2. the method as described in claim 1, which is characterized in that the identification information in the track selected is supplied to the user
Before, the method further includes：
Determine that the user is less than pre-determined distance away from the distance at the crossing.
3. the method as described in claim 1, which is characterized in that if it is determined that track have two or more, then will select
The identification information in track is supplied to before the user, and the method further includes：
In the every track determined, the vehicle docked with next section of current road segment described in the guidance path is determined
Road.
4. method as described in any one of claims 1-3, which is characterized in that the method further includes：
Track where determining the user go the current road segment；
If the track where the user is not the track selected, is provided to the user and enter the track selected
Prompt message.
5. a kind of navigation device, which is characterized in that including：
Section determining module, in each section that guidance path includes, determining that user is currently located section as current road
Section；
Determining module is turned to, for determining the navigation go to action information at the crossing of the current road segment；Wherein, described to lead
Go to action information of navigating is go to action information when user reaches at the crossing of current road segment；
Acquisition module, the identification information for obtaining each track that the current road segment includes and permission go to action information；
Track determining module, in each track of the current road segment, determining to allow go to action information and the navigation
The track of go to action information match；
Optimal determining module, if being to turn left to turn around for the navigation go to action information, in each track determined,
It selects positioned at the track of the leftmost side；If the navigation go to action information is to turn right to turn around, in each track determined
In, it selects positioned at the track of the rightmost side；If the navigation go to action information is straight trip, in each track determined
In, it selects positioned at intermediate track；If the navigation go to action information be to exist in left-hand rotation and each track for determining
It is only that position is selected in the track of left-hand rotation then in allowing go to action information to be only the track turned left to allow go to action information
Track in the rightmost side；If the navigation go to action information be to turn left and be not present in each track for determining to allow to turn to
Action message is only that the track turned left is selected then in each track determined positioned at the track of the leftmost side；If described lead
Boat go to action information be to turn right and in each track for determining exist that go to action information is allowed to be only the track of right-hand rotation, then exists
It is only to be selected positioned at the track of the leftmost side in the track turned right to allow go to action information；If the navigation go to action
Information is to turn right and in each track for determining there is no allowing go to action information to be only the track turned right, then is determining
In each track, select positioned at the track of the rightmost side；
Track prompts output module, for the identification information in the track selected to be supplied to the user.
6. device as claimed in claim 5, which is characterized in that described device further includes：
Apart from determining module, for before the track selected is supplied to the user by track prompt output module,
Determine that the user is less than pre-determined distance away from the distance at the crossing.
7. device as claimed in claim 5, which is characterized in that the track determining module is additionally operable to, however, it is determined that the track gone out
There are two or more, then before the track selected is supplied to the user by prompt output module in the track, is determining
Every track in, determine the track docked with next section of current road segment described in the guidance path.
8. the device as described in claim 5-7 is any, which is characterized in that described device further includes：
Lane change reminding module, for the track where determining the user go the current road segment, if where the user
Track be not the track selected, then the prompt message in track for entering and selecting is provided to the user.
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| CN201310385259.8A CN104422457B (en) | 2013-08-29 | 2013-08-29 | A kind of air navigation aid and device |
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| CN104422457B true CN104422457B (en) | 2018-09-21 |
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| CN106323305B (en) * | 2015-06-29 | 2020-03-06 | 北京四维图新科技股份有限公司 | Navigation method and device |
| CN105588576B (en) * | 2015-12-15 | 2019-02-05 | 招商局重庆交通科研设计院有限公司 | A kind of lane grade navigation methods and systems |
| CN106023612A (en) * | 2016-06-17 | 2016-10-12 | 深圳市元征科技股份有限公司 | Vehicle priority passage method and roadside unit |
| US10962383B2 (en) | 2017-07-06 | 2021-03-30 | Uisee (Shanghai) Automotive Technologies Ltd. | Road characterization method, method for displaying road information and devices |
| CN110411470B (en) * | 2018-04-27 | 2021-11-23 | 北京嘀嘀无限科技发展有限公司 | Broadcasting system, method and device based on lane and storage medium |
| CN108801289B (en) * | 2018-06-26 | 2021-07-06 | 百度在线网络技术（北京）有限公司 | Induced arrow planning method and device, navigation system and storage medium |
| CN110803166B (en) * | 2018-07-18 | 2023-03-31 | 奥迪股份公司 | Driving assistance system and driving assistance method |
| CN109774715B (en) * | 2018-12-29 | 2020-12-08 | 百度在线网络技术（北京）有限公司 | Lane changing method and device for automatic driving vehicle |
| CN109782776B (en) * | 2019-03-28 | 2022-07-29 | 北京百度网讯科技有限公司 | Lane selection method and device for unmanned vehicle and storage medium |
| CN111932941A (en) * | 2020-08-24 | 2020-11-13 | 重庆大学 | Intersection vehicle early warning method and system based on vehicle-road cooperation |
| CN112683293A (en) * | 2020-12-15 | 2021-04-20 | 东风汽车有限公司 | Vehicle-mounted navigation method, electronic equipment and storage medium |
| CN112798003B (en) * | 2020-12-30 | 2023-03-21 | 腾讯科技（深圳）有限公司 | Navigation prompt information generation method, prompting method, device and equipment |
| CN116793382B (en) * | 2023-06-25 | 2024-02-02 | 江苏泽景汽车电子股份有限公司 | Lane navigation information display method and device, electronic equipment and storage medium |
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