CN104236567A - Vehicle-mounted navigation information acquisition method and vehicle-mounted navigation system - Google Patents
Vehicle-mounted navigation information acquisition method and vehicle-mounted navigation system Download PDFInfo
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- CN104236567A CN104236567A CN201310226930.4A CN201310226930A CN104236567A CN 104236567 A CN104236567 A CN 104236567A CN 201310226930 A CN201310226930 A CN 201310226930A CN 104236567 A CN104236567 A CN 104236567A
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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
- G01C21/3667—Display of a road map
- G01C21/3676—Overview of the route on the road map
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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
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3461—Preferred or disfavoured areas, e.g. dangerous zones, toll or emission zones, intersections, manoeuvre types, segments such as motorways, toll roads, ferries
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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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Abstract
The invention discloses a vehicle-mounted navigation information acquisition method and a vehicle-mounted navigation system; in the above method, to-be-arrived destination position information of a current vehicle is acquired, and a driving route is planned for the vehicle; key position information is acquired from the driving route, wherein the key position information includes information of at least one of the following positions: one or more road sections and one or more separated stereo intersections having an actual distance between adjacent plane intersections less than a first preset distance. According to the method and the system provided by the invention, through analysis of road information in the driving route, a foundation is laid for a driver looking forward to mastering a road section easy to go wrong in the driving process so as to bring to the attention.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of acquisition methods and onboard navigation system of vehicle mounted guidance information.
Background technology
Previously the synchronous satellite being positioned at earth overhead is for military and aerial navigation at first.U.S. government relaxes in the 1980s and limits the use of synchronous satellite, for its extensive employing afterwards opens the beginning.Thing followed commercial communications satellite adds accuracy and the coverage of communications satellite especially significantly.Since there being highway, the map be just born as people show the way.But the map of the guide that shows the way as people, usually becomes again the root causing people's strained relations.Because the map printed usually is difficult to catch up with change that city and even rural streets make rapid progress and cause map to be difficult to again identification due to factors such as proportional sizes, thus brings great puzzlement to the people of trip of driving.So, the satellite-signal on high-altitude can be utilized to provide accurate for automobile and navigator fix is timely beyond doubt timely.
In recent years, the development of auto-navigation system is very fast.At present, people not only can select navigational system as option and installment when buying new car, also can install this navigator on existing automobile, even can also configure a portable satellite navigation system.
Automotive global location system (Global Position System, referred to as GPS) navigational system is made up of two parts:
A part is made up of the GPS be arranged on automobile and display device.GPS can receive at least 3 data messages transmitted come from earth-circling 24 gps satellites, measures the current residing position of automobile thus.
Another part is made up of computer controlling center, and two parts are contacted by position location satellite.Computer controlling center is by department of motor vehicles mandate and establishment, it is responsible for the dynamic and traffic conditions of the automobile observing local appointment monitoring at any time, therefore, whole auto-navigation system has following two large functions: first automotive trace monitoring function, as long as be arranged on automobile by encoded GPS receiving trap, no matter this automobile drives to the orientation, place that can be indicated it Anywhere by the electronic chart of computer controlling center; Its two be drive guide function, the traffic route electronic chart in each area can be stored on floppy disk by driver, as long as insert floppy disk in receiving trap onboard, display screen will demonstrate the position of this car location and current traffic behavior immediately, both the destination that will go can be inputted, prepared in advance go out best travel route, can also the instruction of receiving computer control center, select route and the direction of running car.
On this basis, auxiliary with several functions such as traffic navigation, route recommendation, information inquiry, video playback.Driver need only by the picture on viewing display, listen to voice message, the telepilot handled in hand can realize above-mentioned functions, thus realizes driving easily.
But, because vehicle mounted guidance is still in the growing stage, also there are problems, such as:
Scene one
Fig. 1 is the route schematic diagram one cooked up according to driver designated destination according to correlation technique.As shown in Figure 1, destination (shop) to be arrived from current vehicle position, need first through crossing S1, keep straight on to crossing S3 and turn right, then keep straight on to turn left to continue craspedodrome to crossing S4 and can arrive destination.If vehicle mounted guidance is accurate, driver can reach the destination like clockwork in time.But, due to the close together (supposing that two crossings are at a distance of 20 meters) between adjacent crossing S2 and crossing S3, easily turn at crossing S2 in advance in the electronic chart that driver shows on vehicle mounted guidance terminal, also be difficult to retrieve even if driver recognizes to take a wrong way in time, thus need owing to taking a wrong way reorientate and adjust route.
Scene two
Fig. 2 is the route schematic diagram two cooked up according to driver designated destination according to correlation technique.As shown in Figure 2, destination (airport) to be arrived from current vehicle position, original needs are from vehicle current position lane change to the craspedodrome passage on right side, but keep straight between passage on the right side of S2 place second layer right-turn lane and ground floor and there is not intercommunication ring road, and vehicle mounted guidance does not send prompting to the intersection easily gone to the wrong way herein in advance, driver is helpless can only planning travelling line again.
Summary of the invention
The invention provides a kind of acquisition methods and onboard navigation system of vehicle mounted guidance information, cannot further to the problem that road information is analyzed after planning traffic route with the onboard navigation system at least solved in correlation technique.
According to an aspect of the present invention, a kind of acquisition methods of vehicle mounted guidance information is provided.
Acquisition methods according to vehicle mounted guidance information of the present invention comprises: obtaining the destination locations information that Current vehicle is to be arrived at, is vehicle planning travelling line; From traffic route, obtain key position information, wherein, key position information comprise following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange.
Preferably, from traffic route, obtain one or more section comprise: from the level-crossing of first in traffic route, calculate the actual range often between adjacent two level-crossings successively; Section actual range being less than the first predeterminable range is defined as one or more section.
Preferably, from first level-crossing, the distance calculated successively often between adjacent two level-crossings comprises: by vehicle heading first the level-crossing of process be set to true origin and set up plane right-angle coordinate; Obtain after vehicle through the coordinate of adjacent plane crossing on plane right-angle coordinate; Calculate first through level-crossing and after through adjacent plane crossing between coordinate distance; The picture scaling chi calculating actual range adopting coordinate distance and preset.
Preferably, from traffic route, obtain one or more separate type traffic interchange to comprise: from traffic route, search for one or more traffic interchange; Determine the type that each traffic interchange belongs to respectively, and choose one or more separate type traffic interchange according to the type of each traffic interchange.
Preferably, after obtain key position information from traffic route, also comprise: the preview that key position information is provided to user.
Preferably, the acquisition methods of above-mentioned vehicle mounted guidance information also comprises: obtain positional information to be marked, and wherein, positional information to be marked is the some or all of information chosen from key position information according to user, or, arrange according to the preference of user and determine; In traffic route, positional information to be marked is marked.
Preferably, after positional information to be marked is marked, also comprise: judge whether the actual range between the position of vehicle current driving and the position of mark reaches the second predeterminable range; If so, then voice message is sent.
According to a further aspect in the invention, a kind of onboard navigation system is provided.
Onboard navigation system according to the present invention comprises: receiving equipment, for obtaining Current vehicle destination locations information to be arrived at; Processor, for the destination locations information to be arrived at according to the Current vehicle got, is vehicle planning travelling line; Processor, also for obtaining key position information from traffic route, wherein, key position information comprise following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange.
Preferably, said system also comprises: display device, this display device, for providing the preview of key position information to user.
Preferably, above-mentioned receiving equipment, also for obtaining positional information to be marked, wherein, positional information to be marked is the some or all of information chosen from key position information according to user, or, arrange according to the preference of user and determine; Processor, also for after getting positional information to be marked, marks positional information to be marked in traffic route.
Preferably, said system also comprises: display device and/or loudspeaker; Processor, when also reaching the second predeterminable range for the actual range between the position and the position of mark of vehicle current driving, sends information to display device and/or loudspeaker, and is pointed out to user by display device and/or loudspeaker.
By the present invention, can obtain Current vehicle destination locations information to be arrived at according to the address information of user's input, be vehicle planning travelling line, then from traffic route, key position information is obtained, this key position information can include but not limited to following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange, because onboard navigation system is when providing traffic route for driver, key position information is analyzed, therefore, can to customize key message ready for driver, the onboard navigation system solved in correlation technique cannot further to the problem that road information is analyzed after planning traffic route, and then by analyzing the road information in traffic route, for driver expects to grasp in driving conditions the section easily gone to the wrong way and draw attention and lay a good foundation.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the route schematic diagram one cooked up according to driver designated destination according to correlation technique;
Fig. 2 is the route schematic diagram two cooked up according to driver designated destination according to correlation technique;
Fig. 3 is the process flow diagram of the acquisition methods of vehicle mounted guidance information according to the embodiment of the present invention;
Fig. 4 is that driver customizes the route schematic diagram after key message for scene one according to the preferred embodiment of the invention;
Fig. 5 is that driver customizes the route schematic diagram after key message for scene two according to the preferred embodiment of the invention;
Fig. 6 is the structural representation of the onboard navigation system according to the embodiment of the present invention;
Fig. 7 is the structural representation of onboard navigation system according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
In the following description, except as otherwise noted, the symbol otherwise with reference to the action performed by one or more computing machine and operation represents each embodiment describing the application.Wherein, computing machine comprises the various products such as personal computer, server, mobile terminal, employs the equipment that CPU, single-chip microcomputer, DSP etc. have a process chip and all can be called computing machine.Thus, be appreciated that processing unit that this kind of action performed sometimes referred to as computing machine and operation comprise computing machine is to the manipulation of electric signal representing data with structured form.It is safeguarded in this manipulation transforms data or the position in the accumulator system of computing machine, and this reshuffles or changes the operation of computing machine in the mode that those skilled in the art understands.The data structure of service data is the physical location of the storer of the particular community that the form with data defines.But although describe the present invention in above-mentioned context, it does not also mean that restrictive, as understood by those skilled in the art, hereinafter described action and each side of operation also can realize with hardware.
Turn to accompanying drawing, wherein identical reference number refers to identical element, and the principle of the application is shown in a suitable computing environment and realizes.Below describe the embodiment based on described the application, and should not think about the alternative embodiment clearly do not described herein and limit the application.
Fig. 3 is the process flow diagram of the acquisition methods of vehicle mounted guidance information according to the embodiment of the present invention.As shown in Figure 3, the method can comprise following treatment step:
Step S302: obtaining the destination locations information that Current vehicle is to be arrived at, is vehicle planning travelling line;
Step S304: obtain key position information from traffic route, wherein, key position information comprise following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange.
In correlation technique, onboard navigation system cannot be analyzed road information further after planning traffic route.Adopt method as shown in Figure 3, the address information that can input (can comprise: input through keyboard or phonetic entry) according to user obtains Current vehicle destination locations information to be arrived at, and is vehicle planning travelling line, then from traffic route, obtain key position information (such as: which section is easily gone to the wrong way), this key position information can include but not limited to following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange, because onboard navigation system is when providing traffic route for driver, key position information is analyzed, therefore, can to customize key message ready for driver, the onboard navigation system solved in correlation technique cannot further to the problem that road information is analyzed after planning traffic route, and then by analyzing the road information in traffic route, for driver expects to grasp in driving conditions the section easily gone to the wrong way and draw attention and lay a good foundation.
In a preferred embodiment, the primary importance (being generally vehicle originating location or the current position of vehicle) inputted by driver carrys out planning travelling line with the second place (being generally the destination that vehicle needs to arrive at).Above-mentioned position can be inputted by any one mode by using the driver of onboard navigation system, such as: on vehicle mounted guidance display interface, input postcode, street name or number or be the destination of " as everyone knows " that prestore, such as: famous sites, municipal building, the place often gone in the recent period.
And according to the primary importance of driver's input and the second place, then to calculate in conjunction with the electronic map data stored in onboard navigation system " the best traffic route " of setting out between address location and destination-address position.In addition, " best traffic route " can be determined based on preset rules, and not necessarily estimated time of arrival is the fastest or estimate that traffic route is the shortest.The traffic route of onboard navigation system selected by driver can consider existing traffic information (such as: ought for the previous period in which section comparatively to block up or which there occurs traffic accident), the traffic information of prediction (such as: which section has vehicle congestion phenomenon and occurs in certain time range in future) and driver be for self preference (such as: driver is desirably in traffic route and avoids highway or charge station) of Model choices as far as possible.After onboard navigation system plans out traffic route for driver, the list of many routes that driver can be planned from onboard navigation system arbitrarily by information interaction with onboard navigation system, (such as: sort to each bar route calculated according to contingent stopping state or the delay degree of time of vehicle operation that causes due to the stopping state occurred) selects the route required for it.
Preferably, in step s 304, from traffic route, obtain one or more section and can comprise following operation:
Step S1: from the level-crossing of first in traffic route, calculates the actual range often between adjacent two level-crossings successively;
Step S2: section actual range being less than the first predeterminable range is defined as one or more section.
Level-crossing typically refers to road in same plane, intersects the crossing formed, and its form adopted can include but not limited to one of following: " T "-intersection, Y shape crossing, decussation mouth, X-shaped crossing, stagger intersection, traffic circle.Vehicle, when passing through the level-crossing without traffic control, mutually intersects to form conflict point because travel direction is different, has 3 conflict points, have 16 conflict points in four forks in the road, then have 50 conflict points in five forks in the road at the junction of three roads.And in fact each conflict point is exactly a potential traffic hazard point.The traffic safety of level-crossing and the traffic capacity, depend on the traffic organization of crossing to a great extent.The various traffic lights of usual employing organize traffic, go in ring and organize traffic, with the canalized crossing traffic such as various podium (such as: dividing island, central island, Directional island and safety island), traffic sign, road traffic marking.
In a preferred embodiment, S2 and S3 in scene one is as shown in Figure 1 " T "-intersection, S1 and S4 is then X-shaped crossing.Due in above-mentioned scene one onboard navigation system for the traffic route that driver designs be S1 → S2 → S3 → S4, therefore, need the actual range calculated successively from the S1 of crossing between S1 and S2, S2 and S3, S3 and S4, suppose that above-mentioned first predeterminable range is 50 meters, and only have the actual range between S2 and S3 to be less than 50 meters, therefore, can determine that this section is for easily to go to the wrong way section, need to remind driver to note.
Preferably, in step sl, from first level-crossing, the distance calculated successively often between adjacent two level-crossings can comprise the following steps:
Step S11: by vehicle heading first the level-crossing of process be set to true origin and set up plane right-angle coordinate; Obtain after vehicle through the coordinate of adjacent plane crossing on plane right-angle coordinate;
Step S12: calculate first through level-crossing and after through adjacent plane crossing between coordinate distance;
Step S13: the picture scaling chi calculating actual range adopting coordinate distance and preset.
In a preferred embodiment, be illustrated with the example that is calculated as of the actual range between S2 and the S3 in scene one.The direction travelled due to vehicle be northern from south orientation, therefore, first through crossing S2 in the travel direction of vehicle, after through crossing S3.Therefore be first that true origin sets up plane right-angle coordinate with S2; Secondly, the coordinate of S3 position in plane right-angle coordinate is determined; Then, the coordinate distance between S2 and the S3 in plane right-angle coordinate is calculated; Finally, the actual range between S2 and S3 is calculated according to the picture scaling chi preset of the display of onboard navigation system.
Preferably, in step s 304, from traffic route, obtain one or more separate type traffic interchange and can comprise following operation:
Step S3: search for one or more traffic interchange from traffic route;
Step S4: determine the type that each traffic interchange belongs to respectively, and choose one or more separate type traffic interchange according to the type of each traffic interchange.
Traffic interchange typically refers to the crossings on different level that the road not in same plane intersects, and mutual afoul wagon flow is arranged on various level road by respectively, both ensure that smooth traffic, has also ensured traffic safety.Crossings on different level primarily of viaduct, lead the way and three, ramp part composition.Viaduct is the Subway Bridge across road and bridge or underway crossing over road.Leading the way is the end of the bridge road that road connects with viaduct.Ramp is the section that road is connected with road surface under viaduct.Interchange connects the ring road of upper and lower two road intersections in addition.
Traffic interchange divides according to communication function, can be divided into separate type traffic interchange and interchange mouth.
(1) separate type crossings on different level refers to the crossings on different level without ring road, only builds viaduct, ensures that straight-going traffic does not interfere with each other, but can not interconnect.This grade separation simple structure, take up an area less, quantities and small investment, be applicable to straight-going traffic amount large, the few or confined crossing of turning vehicle.
(2) interchange refers to the ring road being provided with and connecting upper and lower road intersection, and each road vehicles can be made to turn to.
In a preferred embodiment, as shown in Figure 2, in scene two, S1 and S2 is separate type traffic interchange, and S3 is Y-shaped level-crossing.Current vehicle travels from south orientation north, and its passage of should keeping straight on from right side northwards travels always and reaches the destination (airport).But onboard navigation system streaks the part in journey, S3 → S2 being regarded as traffic route at roadway wire gauge, think that vehicle can turn left at crossing S2 by mistake, then keep straight on to airport.But in implementation driving process, driver finds cannot turn left when arriving at crossing S2, and the route planning of onboard navigation system is wrong, now, can only be starting point planning travelling line again with current location at all, incur loss through delay the time that vehicle arrives at airport.After adopting technical scheme provided by the present invention, onboard navigation system after for driver's planning travelling line, searches for a traffic interchange S2 from traffic route, and to analyze the type obtaining S2 ownership be further separate type traffic interchange.Therefore, can be using S2 the information of separate type traffic interchange as key message, to remind driver herein for easily to go to the wrong way section.
Preferably, in step S304, obtain key position information from traffic route after, can also comprise the following steps:
Step S5: the preview that key position information is provided to user.
In a preferred embodiment, after onboard navigation system is driver's planning travelling line, can also point out driver can key message in preview traffic route on the display interface of onboard navigation system display.If driver is comparatively familiar with (such as: driver can go certain place body-building at each weekend usually the most of section in the above-mentioned traffic route cooked up, and have plan the whole family weekend to go on a tour, just by chance onboard navigation system is most of section in the traffic route cooked up of driver and go to the section of gymnasium substantially identical, just tourist destination is more farther than gymnasium), so driver can not need to carry out preview to key message, or only needs preview from unbeaten sub-fraction section.If but driver is very strange to the above-mentioned traffic route cooked up, be so just necessary to carefully study traffic route, in order to avoid take a wrong way and waste time before setting out.
As another preferred embodiment of the present invention, on the display interface of display, occur that prompting driver after the window of key message in preview traffic route, can wait for that driver confirms further; If driver manually clicks "Yes" virtual key or voice answer-back "Yes", then can enumerate whole key message on the display interface of display, specifically can comprise: the actual range in the section between which adjacent two level-crossing is less than predeterminable range; The type of which traffic interchange ownership is separate type traffic interchange, for driver's preview.
Preferably, the acquisition methods of above-mentioned vehicle mounted guidance information can also comprise following operation:
Step S8: obtain positional information to be marked, wherein, positional information to be marked is the some or all of information chosen from key position information according to user, or, arrange according to the preference of user and determine;
Step S9: in traffic route, positional information to be marked is marked.
In a preferred embodiment, one of in the following ways positional information to be marked can be obtained:
Mode one, key position information to be provided to user at the display device of onboard navigation system preview after, user can choose in key position information, both can selected part information, also can choose full detail and be marked;
Mode two, the mark automatically carrying out positional information can be set according to user preference at the beginning of onboard navigation system carries out route planning.Such as: user can pre-set in onboard navigation system to be needed to mark for level-crossing or separate type traffic interchange, and onboard navigation system just can mark at the Automatic-searching crossing that meets above-mentioned feature after programme path.
During the navigation of the traffic route planned along onboard navigation system, display can provide vision and/or phonetic order in real time, so that driver is directed to the terminal of route by driver along selected route, and the destination namely will arrived at.Can show cartographic information on the screen of a display during navigation, this cartographic information needs regular update on screen, makes the cartographic information shown by it be for the cartographic information in reference point preset range with the current position of vehicle.Under normal circumstances, be presented at the position of the icon ordinary representation Current vehicle on screen, and this vehicle is positioned at screen middle position, comprises in addition: the cartographic information at current vehicle location surrounding road shown and other map feature.In addition, driver can also above shown cartographic information, in the status bar of below or side show navigator information, the example of navigation information can comprise: distance, its character departed from that the present road chosen from driver's needs departs to the next one, and this character can by another icon representation showing particular type (such as: turn left or turn right) that it departs from.Navigation feature can also determine the content of phonetic order, duration and scheduling, user can be guided to travel according to the traffic route of planning by phonetic order, such as: walk to the left-hand rotation of 100 meters, front.Driver and onboard navigation system can pass through touch-screen alternately, by jociey stick installing type telepilot, by voice activation and by other any suitable method.
The electronic map data that onboard navigation system stores can comprise usually: the path layer etc. between base map layer, the location point layer representing address, location point, the electronic chart that driver sees finally is formed through compound, namely, when the coordinate information provided as GPS overlaps onto on electronic chart, driver just can see the current residing position of the vehicle self driven and the travel direction in future.Map data base can derive from multiple channel, and wherein, topmost source is the block database that municipal government office provides.Certainly, driver can also according to the demand of self selectively to third part purchase map datum.
In a preferred embodiment, onboard navigation system is being analyzed traffic route, after getting key message, not only may be displayed on screen and supplies driver's preview before driving, can also customize positional information to be marked according to driver's Man's Demands.Such as: driver travels in first half section distance of being everlasting, to the road conditions of first half section distance grasp fully aware of, therefore, do not need to mark especially on electronic chart, and comparatively strange to second half section distance, need wherein adjacent two level-crossings or the section between it and separate type traffic interchange to mark.Onboard navigation system, after getting above-mentioned positional information to be marked, may be displayed on screen.Fig. 4 is that driver customizes the route schematic diagram after key message for scene one according to the preferred embodiment of the invention.Can increase the mark comprising information " road ahead crossing easily is gone to the wrong way, and please keep straight at S2 place, crossing as shown in Figure 4! ".Fig. 5 is that driver customizes the route schematic diagram after key message for scene two according to the preferred embodiment of the invention.Can increase the mark comprising information " junction ahead S2 is separate type traffic interchange, please notice at S2 place, crossing as shown in Figure 5! ".
Preferably, in step S9, after positional information to be marked is marked, can also comprise the following steps:
Step S10: judge whether the actual range between the position of vehicle current driving and the position of mark reaches the second predeterminable range;
Step S11: if then send information.
In preferred implementation process, above-mentioned information can include but not limited to following one of at least: preset information of voice prompt, pre-set image information, User Defined information of voice prompt and User Defined picture cues information.
In a preferred embodiment, picture navigation refers to and can show electronic chart, the current present position of vehicle, road speed, the distance of destination, the route prompting of planning and the running information of crossing reminding turning on the screen of a display.Voice Navigation adopts voice to provide crossing to turn to driver in advance, the running informations such as navigational system situation, namely relative to the topmost advantage of picture navigation, Voice Navigation is that driver is without the need to often watching the screen of display, just can be arrived safe and sound destination by voice message.When the vehicle distance travelled extremely and between the S2 of crossing is less than the second predeterminable range (100 meters), can send voice message to driver in advance, " road ahead crossing easily is gone to the wrong way, and please keep straight in scene one! ", so that driver is without the need to paying close attention to the key message marked in display interface always; In like manner, in scene two, when the vehicle distance travelled extremely and between the S2 of crossing is less than the second predeterminable range (100 meters), also can sends voice message to driver in advance, " be separate type traffic interchange herein, please notice! ".
Fig. 6 is the structural representation of the onboard navigation system according to the embodiment of the present invention.As shown in Figure 6, this onboard navigation system can comprise: receiving equipment 10, for obtaining Current vehicle destination locations information to be arrived at; Processor 20, for the destination locations information to be arrived at according to the Current vehicle got, is vehicle planning travelling line; Processor 20, also for obtaining key position information from traffic route, wherein, above-mentioned key position information comprise following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange.
Adopt system as shown in Figure 6, the onboard navigation system solved in correlation technique cannot further to the problem that road information is analyzed after planning traffic route, and then by analyzing the road information in traffic route, for driver expects to grasp in driving conditions the section easily gone to the wrong way and draw attention and lay a good foundation.
In a preferred embodiment, processor in onboard navigation system can receive reference position and the destination locations of the traffic route that driver is inputted by touch-screen or button click via default communication interface, or, processor can receive reference position and the destination locations of the traffic route that driver is inputted by voice (such as: microphone) via phonographic recorder, then in onboard navigation system, be driver cook up one or more traffic route between reference position and destination locations, select for driver.Certainly can also adopt processor after the positional information receiving above-mentioned driver input, via antenna, this positional information is sent to server, then by the traffic route that the server having powerful data-handling capacity is concrete for driver plans.
Preferably, as shown in Figure 7, said system can also comprise: display device 30, this display device 30, for providing the preview of key position information to user.
Preferably, as shown in Figure 7, above-mentioned receiving equipment 10, also for obtaining positional information to be marked, wherein, positional information to be marked is the some or all of information chosen from key position information according to user, or, arrange according to the preference of user and determine; Processor 20, also for after getting positional information to be marked, marks positional information to be marked in traffic route.
Preferably, as shown in Figure 7, said system can also comprise: display device 30 and/or loudspeaker 40; Processor 20, when also reaching the second predeterminable range for the actual range between the position and the position of mark of vehicle current driving, sends information to display device and/or loudspeaker, and is pointed out to user by display device and/or loudspeaker.
From above description, can find out, above embodiments enable following technique effect (it should be noted that these effects are effects that some preferred embodiment can reach): because onboard navigation system is when providing traffic route for driver, key position information is analyzed, therefore, can to customize key message ready for driver, the onboard navigation system solved in correlation technique cannot further to the problem that road information is analyzed after planning traffic route, and then by analyzing the road information in traffic route, for driver expects to grasp in driving conditions the section easily gone to the wrong way and draw attention and lay a good foundation.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an acquisition methods for vehicle mounted guidance information, is characterized in that, comprising:
Obtaining the destination locations information that Current vehicle is to be arrived at, is described vehicle planning travelling line;
Key position information is obtained from described traffic route, wherein, described key position information comprise following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange.
2. method according to claim 1, is characterized in that, obtains described one or more section and comprise from described traffic route:
From the level-crossing of first in described traffic route, calculate the actual range often between adjacent two level-crossings successively;
The section described actual range being less than described first predeterminable range is defined as described one or more section.
3. method according to claim 2, is characterized in that, from described first level-crossing, the distance calculated successively often between adjacent two level-crossings comprises:
By on described vehicle heading first the level-crossing of process be set to true origin and set up plane right-angle coordinate;
Obtain after described vehicle through the coordinate of adjacent plane crossing on described plane right-angle coordinate;
Calculate described first through level-crossing and described after through adjacent plane crossing between coordinate distance;
Described coordinate distance and default picture scaling chi is adopted to calculate described actual range.
4. method according to claim 1, is characterized in that, obtains described one or more separate type traffic interchange and comprise from described traffic route:
One or more traffic interchange is searched for from described traffic route;
Determine the type that each traffic interchange belongs to respectively, and choose described one or more separate type traffic interchange according to the type of described each traffic interchange.
5. method according to any one of claim 1 to 4, is characterized in that, after obtain described key position information from described traffic route, also comprises:
The preview of described key position information is provided to user.
6. method according to any one of claim 1 to 4, is characterized in that, the acquisition methods of described vehicle mounted guidance information also comprises:
Obtain positional information to be marked, wherein, described positional information to be marked is the some or all of information chosen from described key position information according to described user, or, arrange according to the preference of user and determine;
In described traffic route, described positional information to be marked is marked.
7. method according to claim 6, is characterized in that, after described positional information to be marked being marked, also comprises:
Judge whether the actual range between the position of described vehicle current driving and the position of mark reaches the second predeterminable range;
If so, then information is sent.
8. an onboard navigation system, is characterized in that, comprising:
Receiving equipment, for obtaining Current vehicle destination locations information to be arrived at;
Processor, for the described destination locations information to be arrived at according to the described Current vehicle got, is described vehicle planning travelling line;
Described processor, also for obtaining key position information from described traffic route, wherein, described key position information comprise following one of at least: the actual range between adjacent level-crossing is less than one or more sections of the first predeterminable range, one or more separate type traffic interchange.
9. system according to claim 8, is characterized in that, described system also comprises: display device;
Described display device, for providing the preview of described key position information to user.
10. system according to claim 8, is characterized in that,
Described receiving equipment, also for obtaining positional information to be marked, wherein, described positional information to be marked is the some or all of information chosen from described key position information according to described user, or, arrange according to the preference of user and determine;
Described processor, also for after getting described positional information to be marked, marks described positional information to be marked in described traffic route.
11. systems according to claim 10, is characterized in that, described system also comprises: display device and/or loudspeaker;
Described processor, when also reaching the second predeterminable range for the actual range between the position and the position of mark of described vehicle current driving, send information to described display device and/or described loudspeaker, and pointed out to user by described display device and/or described loudspeaker.
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| CN201310226930.4A CN104236567B (en) | 2013-06-07 | 2013-06-07 | The acquisition methods and onboard navigation system of vehicle mounted guidance information |
| PCT/EP2014/061702 WO2014195406A1 (en) | 2013-06-07 | 2014-06-05 | Method for acquiring on-vehicle navigation information and on-vehicle navigation system |
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| CN201310226930.4A CN104236567B (en) | 2013-06-07 | 2013-06-07 | The acquisition methods and onboard navigation system of vehicle mounted guidance information |
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Also Published As
| Publication number | Publication date |
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| CN104236567B (en) | 2017-10-27 |
| WO2014195406A1 (en) | 2014-12-11 |
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Address after: 200082 No. 538 Dalian Road, Hongkou District, Shanghai Patentee after: Mainland Investment (China) Co., Ltd. Address before: 200082 No. 538 Dalian Road, Hongkou District, Shanghai Patentee before: Continental Automotive Asia Pacific (Beijing) Co., Ltd. |
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