CN101294822A - Vehicle navigation analog demonstration method of center navigation system - Google Patents
Vehicle navigation analog demonstration method of center navigation system Download PDFInfo
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- CN101294822A CN101294822A CNA2007100089369A CN200710008936A CN101294822A CN 101294822 A CN101294822 A CN 101294822A CN A2007100089369 A CNA2007100089369 A CN A2007100089369A CN 200710008936 A CN200710008936 A CN 200710008936A CN 101294822 A CN101294822 A CN 101294822A
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Abstract
The invention discloses a method for simulated demonstration of vehicle navigation in a central navigation system, and relates to a traffic control method for transferring navigation instructions to the vehicle. The method comprises the following steps: a demonstrator presses the navigation button of a simulated demonstration navigation terminal to send a navigation request that contains the current location to a navigation center; the demonstrator reports the destination to the navigation center by using radio voice; the navigation center calculates the optimum path, generates information data of a group of landmark point sequences on the path, and sends the information data to the navigation terminal; the navigation terminal extracts the information data of a landmark point according to the sequence of the information data of the group of landmark point sequences and divides the distance between the current location and the landmark point into a plurality of segments, decreases the distance progressively according to timing steps of a timer, and displays the prompt voice information and the videotex navigation information of the landmark point when the distance value is reduced to an initial lead value of the prompt information; when the distance value is zero, the information data of the next landmark point is extracted and the process is repeated till reaching the destination.
Description
Technical field
The present invention relates to a kind of traffic control method of road vehicle, particularly relate to a kind of traffic control method of transmitting navigation instruction for vehicle with satnav and communication facilities.
Technical background
At present the method that road vehicle is carried out Navigation Control all is the autonomous land vehicle air navigation aid basically, promptly in the navigator of road vehicle, be equipped with digital navigation map and locating device, vehicle locating device in the process of travelling constantly detects the current location of vehicle, and in the digital navigation map that shows, indicate the current location of vehicle, for the driver as the reference of advancing.The autonomous land vehicle air navigation aid requires apparatus for vehicle navigation to be equipped with DVD or other memory device to be used to preserve electronic chart usually, requires the CPU of apparatus for vehicle navigation to possess stronger processing power simultaneously.This self-aid navigation method has a bigger shortcoming: the town and country construction of our country is at present maked rapid progress, and constructing road and reconstruction all have generation every day, just means that also navigation map all might need to upgrade at any time.Thereby the characteristics of self-aid navigation method have determined, the memory device that must regular ground updated stored electronic chart or the DVD CD of storing electronic map, otherwise just must influence the correctness of self-aid navigation.
The another kind of method that road vehicle is controlled is the method for the monitored operation of vehicle, promptly in the navigator of road vehicle, be equipped with satellite positioning receiver (satellite positioning module) and communication terminal (wireless communication module), utilize communication modes such as note or GPRS/CDMA that latitude and longitude information monitored, enquiring vehicle is sent to traffic control center, in the position display of the enterprising driving of the electronic chart of traffic control center, and accept Help by Phone.The electronic chart of traffic control center is accomplished to upgrade easily regularly, but at present traffic control center can't play vehicle to car-mounted terminal with satnav effectively travel guide, i.e. Dao Hang effect.For this reason, we have developed a kind of center type automobile navigation method: the user logins information of vehicles and asks navigation Service with the telephone conductor boat center of vehicle mounted guidance terminal, the current location of navigation center's registration of vehicle and destination, and calculate the path according to electronic chart, produce the information data of one group of landmark point sequence on this path and send to the navigation terminal that is equipped with on user's vehicle.Arrive a landmark point of path landmark point sequence during vehicle ', be that the distance of geographic coordinate data of a landmark point in satellite positioning module the geographic coordinate data that receive and the information data of having stored this group landmark point sequence of navigation terminal is during less than certain limit, the voice module of navigation terminal broadcasts the navigation hint voice messaging of this landmark point in the information data of this group landmark point sequence, simultaneously display module shows the abstract picture and text information of this landmark point in the information data of this group landmark point sequence, the driver operates by suggestion voice information and abstract picture and text information, and steering vehicle drives towards next landmark point; So by a plurality of landmark point, until arriving the destination.Consider vehicle through time of a landmark point (normally crossing) often in a flash; noisy urban environment regular meeting disturbs the driver; make him not hear the navigation hint voice; and checking that abstract picture and text information needs the certain reaction time, we take the mode of play cuing information in advance.For a driver who is unfamiliar with abstract picture and text, preferably can be familiar with in advance, just can make a response fast.In addition, use the telephone conductor boat center login information of vehicles of vehicle mounted guidance terminal and ask the process of navigation Service to have the factor of a lot of manual operations, common people are difficult to promptly correctly finish these operations, therefore also need to be beforehand with out rehearsal.If in travels down, finish above-mentioned learning process by actual steering vehicle, both lost time and also wasted fuel.
Summary of the invention
The present invention aims to provide the analog demenstration method of automobile navigation in the navigational system of a kind of center, makes driver or other observer need not actual steering vehicle in travels down, promptly understands and be familiar with the automobile navigation process and the characteristics of center navigational system.
Technical scheme of the present invention is: the analog demenstration method of automobile navigation in the navigational system of center, comprise the analog demenstration navigation terminal and obtain two processes of navigation hint in navigation data and the utilization navigation data analog demenstration vehicle ', the step that this analog demenstration navigation terminal obtains the navigation data process has:
A. after this analog demenstration navigation terminal receives that the demonstrator pushes the signal of navigation keys, the real-time geographic coordinate data that receive of the satellite positioning module of himself as current location, are sent to navigation center and asked navigation Service by wireless communication module;
B. the demonstrator circulates a notice of the destination with the wireless voice communication navigation center of this analog demenstration navigation terminal;
C. navigation center writes down the current location and the destination coordinate of this analog demenstration navigation terminal, and calculates optimal path according to electronic chart, produces the information data of one group of landmark point sequence on this path;
D. navigation center sends the information data of this group landmark point sequence to this analog demenstration navigation terminal;
E. this analog demenstration navigation terminal receives and stores the information data of this group landmark point sequence; Finish the navigation Service request;
In this analog demenstration navigation terminal utilization navigation data analog demenstration vehicle ' there be the step of navigation hint process:
G. set the number of steps from a landmark point to next landmark point and the timing signal spacing value of timer at this analog demenstration navigation terminal; Start timer;
L. this analog demenstration navigation terminal takes out the information data of a landmark point in the information data of this group landmark point sequence in turn, and with this landmark point as the current goal landmark point; Road section length in the information data of current goal landmark point is divided into a plurality of equal stepping sections as current road section length by number of steps,, the numerical value of current road section length is deducted the numerical value of a stepping segment length whenever timer sends timing signal one time; When the numerical value of current road section length is equal to or less than in the information data of current goal point information lead numerical value, the voice module of this analog demenstration navigation terminal broadcasts the navigation hint voice messaging of current goal landmark point in the information data of this group landmark point sequence, simultaneously display module shows the picture and text navigation display message of current goal landmark point in the information data of this group landmark point sequence, is the zero current goal landmark point that promptly arrives up to the numerical value of current road section length;
M. this analog demenstration navigation terminal checks whether current goal landmark point coordinate is identical with the terminal point coordinate in this path; The step L that then returns to inequality, identical then timeing closing device also makes voice module broadcast the suggestion voice information of finishing navigation, and display module shows the information of finishing navigation simultaneously.
In a fixing demonstration place, the demonstrator only with a navigation keys operation simulation demonstration navigation terminal, circulates a notice of the destination by observer or demonstrator with the wireless voice communication navigation center of this navigation terminal; The automatic navigation of this navigation terminal center sends the current location of this analog demenstration navigation terminal, and navigation center calculates optimal path according to electronic chart, and the information data that produces one group of landmark point sequence on this path sends to the analog demenstration navigation terminal.The process that the analog demenstration navigation terminal obtains navigation data is identical with the vehicle that other is navigated, and is true and effective.When this analog demenstration navigation terminal simulating vehicle travels near each landmark point of path landmark point sequence and broadcast the navigation hint voice messaging and the show navigator director information of this landmark point.Owing between all two adjacent landmark point, all carry out analog demenstration with identical number of steps and fixed time interval, and omitted on the Actual path difference of distance between each two adjacent landmark point, observer's notice can be concentrated on exactly voice suggestion and displaying contents are made a response, understand the operation overall process of navigation as early as possible.
Have in some embodiments: in described steps A, also comprise subsidiary identifying information in the navigation Service request that the communication module navigation center of analog demenstration navigation terminal sends; Comprise also in described step B, after the navigation Service request is received by navigation center, this user and other vehicle that navigated made a distinction that navigation center only provides the service of navigation route information to the analog demenstration navigation terminal according to this identifying information.Because be to demonstrate in fixing place, navigation center need not pay close attention to it and whether depart from guidance path, so can make other can be maximally utilised the resource of navigational system by the vehicle that navigates, obtain man-to-man service.
Have in some embodiments: navigation center writes down the current location and the destination of this analog demenstration navigation terminal, calculate at least two optimal paths according to electronic chart, establishment comprise path number, this path of every paths whole range distance, this path each minute fork in the road point feature routing information, this routing information is sent to this analog demenstration navigation terminal; This analog demenstration navigation terminal reception also shows the path number that above-mentioned routing information, demonstrator are selected an optimal path and imported this path to this analog demenstration navigation terminal; This analog demenstration navigation terminal is with this path number loopback navigation center, and navigation center produces the information data of one group of landmark point sequence on this path by this path number.The observer can pass through the analog demenstration navigation terminal, carries out repeatedly analog demenstration with regard to same destination, can be familiar with the prompting situation that changes on the different paths, increases impression on the spot in person.
On described this path in the information data of one group of landmark point sequence the information data of each landmark point comprise that the numbering of this landmark point in this path, longitude, latitude, road section length, voice messaging, display message and information play advance range.The numbering of this landmark point in this path is used to distinguish different landmark point, longitude and latitude are used for distinguishing with path termination (destination), and road section length is play advance range for this landmark point and distance, voice messaging, display message and the information of last landmark point and is used for determining play cuing information.
Described number of steps from a landmark point to next landmark point be 30 and the timing signal spacing value of timer be 1 second.Half a minute is finished the demonstration of a landmark point.
Use method of the present invention, any driver or observer need not actual steering vehicle in travels down, but by shirtsleeve operation analog demenstration navigation terminal, promptly understand and be familiar with the automobile navigation process and the characteristics of center navigational system, grasp the process of request navigation Service and grasp vehicle during near a landmark point this system how to begin to point out the driver, the driver can in time be made a response to information.The method of the present invention also fuel saving of both having saved time, the user is easy to use, and for the application of automobile navigation in popularization center's navigational system broad prospect and use value is arranged.
Description of drawings
Fig. 1 obtains the operation process synoptic diagram of navigation data for the analog demenstration navigation terminal of an embodiment of analog demenstration method of automobile navigation in the navigational system of center of the present invention.
Fig. 2 carries out the schematic flow sheet that navigation hint is operated in the analog demenstration vehicle ' for the analog demenstration navigation terminal utilization navigation data of an embodiment of analog demenstration method of automobile navigation in the navigational system of center of the present invention.
Fig. 3 shows the picture and text exemplary plot of many forks in the road prompting for the navigation terminal of present embodiment.
Fig. 4 is the picture and text exemplary plot that the crossing, isolation strip of the navigation terminal demonstration of present embodiment is reversed end for end.
Fig. 5 is the picture and text exemplary plot of crossing the tunnel left-hand rotation that the navigation terminal of present embodiment shows.
Fig. 6 is the picture and text exemplary plot that the crossing of the navigation terminal demonstration of present embodiment is reversed end for end.
Fig. 7 is the picture and text exemplary plot of the last viaduct that shows of the navigation terminal of present embodiment.
Fig. 8 is the picture and text exemplary plot of the following viaduct that shows of the navigation terminal of present embodiment.
Fig. 9 is the picture and text exemplary plot of the craspedodrome that shows of the navigation terminal of present embodiment.
Figure 10 is the picture and text exemplary plot of the rotating disk that shows of the navigation terminal of present embodiment.
Figure 11 is the picture and text exemplary plot that changes auxilliary road, right side over to of the navigation terminal demonstration of present embodiment.
Embodiment
A specific embodiment of the analog demenstration method of automobile navigation in the navigational system of center of the present invention, the navigation terminal that each vehicle is equipped with in this center navigational system has satellite positioning module, communication module, voice module and display module.These navigation terminals can be set up wireless data and voice communication by communication module and navigation center.Navigation center has up-to-date electronic chart, this navigation center all had the attendant on duty in 24 hours, its attendant can answer in the system driver's of navigation terminal place phone on each vehicle, and login vehicle ' destination information also shows the position of vehicle on electronic chart, accept inquiry; Navigation center also can use the current location and the destination of vehicle, calculate optimal path according to electronic chart, the information data that produces one group of landmark point sequence on this path passes to navigation terminal with communication mode with the information data of this group landmark point sequence of this path, for navigation terminal provides navigation Service.
When the vehicle in the system needs navigation Service, user driver only need click the navigation keys of navigation terminal, the communication module of navigation terminal is connected navigation center automatically, behind the circular destination, wireless telephone navigation center of driver by navigation terminal, navigation terminal just can obtain the guidance path data from navigation center.Navigation terminal on this vehicle uses the guidance path data voluntarily then, vehicle physical location in conjunction with the satellite positioning module reception, play the navigation hint voice messaging by voice module, and by display module demonstration picture and text navigation directions information, the prompting driver arrives the destination by an optimal path steering vehicle.
Its analog demenstration navigation terminal has satellite positioning module, communication module, voice module and display module as other navigation terminal in the system; Can set up wireless data and voice communication by communication module and navigation center.When needs analog demenstration navigation Service, the user demonstrator only need click the navigation keys of analog demenstration navigation terminal, the communication module of analog demenstration navigation terminal is connected navigation center automatically, behind the circular destination, wireless telephone navigation center of demonstrator by the analog demenstration navigation terminal, the analog demenstration navigation terminal just can obtain the guidance path data from navigation center.This analog demenstration navigation terminal uses the guidance path data voluntarily then, in conjunction with in this path each landmark point, the analog demenstration vehicle is driving towards each landmark point and is driving towards the situation that next landmark point voice module in the process that arrives the destination is play the navigation hint voice messaging and shown picture and text navigation display message by display module by this landmark point.Make any driver or observer all need not actual steering vehicle, but, promptly understand and be familiar with the automobile navigation process and the characteristics of center navigational system by shirtsleeve operation in travels down.
Fig. 1 illustrates the operation process that an analog demenstration navigation terminal obtains the guidance path data.This analog demenstration navigation terminal obtains the process of guidance path data can regard process interactive between demonstrator, analog demenstration navigation terminal and the three of navigation center as.
Demonstrator's action, step 100:
The demonstrator pushes the navigation keys of analog demenstration navigation terminal.
The action of analog demenstration navigation terminal, step 101:
After the analog demenstration navigation terminal was received the signal that navigation keys is pressed, the analog demenstration navigation terminal was set up wireless communication link with navigation center by wireless communication module by GPRS or CDMA mobile wireless network earlier.The geographic coordinate data that satellite positioning module is received in real time send the navigation Service request as current location by wireless communication module navigation center again; The identifying information, device id and the current location that comprise analog demenstration in this navigation Service request.
Navigation center's action, step 102:
After the navigation Service request is received by navigation center, detect this user's legitimacy earlier according to the device id of analog demenstration navigation terminal, promptly whether this equipment puts on record in navigation center, and just whether this equipment is the service object of navigation center.For illegal user, navigation center ignores, and refusal provides service.To legal users, navigation center provides service and writes down the device id and the current location of this analog demenstration navigation terminal, and determines only not do follow-up follow-up service for this navigation terminal equipment provides the guidance path data according to the identifying information of analog demenstration.Send to this analog demenstration navigation terminal then and confirm navigation Service information.
The action of analog demenstration navigation terminal, step 103:
After the analog demenstration navigation terminal is received and confirmed navigation Service information, put through the wireless telephone of navigation center; Setting up wireless voice communication with navigation center gets in touch.And send the suggestion voice signal by voice module, prompting the demonstrator can converse with navigation center.
Demonstrator's action, step 104:
The attendant of navigation center first identity of this user of inquiry in phone, and whether the answer of watching the demonstrator is consistent with the attend a banquet validated user record that shows on the terminal screen of navigation, corresponding to is validated user; Inquire the destination that it will go again, the demonstrator circulates a notice of the destination with the attendant at the wireless telephone Speech Communication navigation center of navigation terminal.
Navigation center's action, step 105:
The attendant of navigation center with demonstrator conversation during, just can navigate to attend a banquet in navigation center demonstrates the current location of this user's analog demenstration navigation terminal on the electronic chart that show on the terminal screen.After as the demonstrator destination that will go being described, the attendant of navigation center is just by the navigation destination locations coordinate that electronic chart shows on the terminal screen of attending a banquet, input destination coordinate in navigation center's Computer Database.On-hook then.
The action of analog demenstration navigation terminal, step 106:
The analog demenstration navigation terminal determines that to receive navigation center's wireless telephone on-hook signal the speech circular finishes.The geographic coordinate data that navigation terminal in real time receives satellite positioning module are as new current location, by wireless communication module navigation center requests download path information data, and new current location are sent to navigation center.
Navigation center's action, step 107:
The request of download path information data is received by navigation center, the current location that this analog demenstration navigation terminal is new is recorded as the current location of this analog demenstration navigation terminal, navigation center uses this current location in conjunction with taking out the destination coordinate of this navigation according to device id from database, calculate at least two optimal paths according to electronic chart, establishment comprise path number, this path of every paths whole range distance, this path each minute fork in the road point feature routing information, this routing information is sent to this analog demenstration navigation terminal.
Analog demenstration navigation terminal and demonstrator's action, step 108:
The navigation terminal reception of this analog demenstration vehicle also shows above-mentioned routing information.The demonstrator selects an optimal path and imports the path number in this path to the navigation terminal of this analog demenstration vehicle on the analog demenstration navigation terminal.The navigation terminal of this analog demenstration vehicle is with this path number loopback navigation center.
Navigation center's action, step 109:
Navigation center produces the information data of one group of landmark point sequence on this path by this path number.The information data of this group landmark point sequence comprises each particular location landmark point of the terrestrial references such as crossing, tunnel, rotating disk, viaduct, overpass, high speed crossing and isolation strip end points on this path by the back series arrangement, and the information data of each landmark point comprises numbering, longitude, latitude, road section length, voice messaging, display message and the information broadcast advance range of this landmark point in this path.The numbering of this landmark point in this path is used to distinguish different landmark point, longitude and latitude are used for distinguishing with path termination (destination), and road section length is play advance range for this landmark point with distance (being the distance of this landmark point with the navigation starting point at the navigation section start), voice messaging, display message and the information of last landmark point and is used for determining play cuing information.Navigation center sends the information data of this group landmark point sequence to this analog demenstration navigation terminal.
The action of analog demenstration navigation terminal, step 110:
Navigation terminal receives the information data of this group landmark point sequence and it is stored in the storer.Then, navigation terminal is cancelled wireless communication link with navigation center by wireless communication module; Finish the navigation Service request.
This analog demenstration navigation terminal uses when analog demenstration from the information data of this group landmark point sequence of navigation center's acquisition, and demonstration is by the process of this arrival destination, path, as shown in Figure 2.
The action of analog demenstration navigation terminal, step 200:
The number of steps of setting from a landmark point to next landmark point in the navigation terminal of analog demenstration vehicle is 30, and the timing signal spacing value of timer was 1 second.Start timer.
The action of analog demenstration navigation terminal, step 201:
The analog demenstration navigation terminal takes out the information data of a landmark point in the information data of this group landmark point sequence in turn, and with this landmark point as the current goal landmark point.
The action of analog demenstration navigation terminal, step 202:
The analog demenstration navigation terminal is divided into 30 equal stepping sections as current road section length by number of steps with road section length in the information data of current goal landmark point.
The action of analog demenstration navigation terminal, step 203:
When timer sends timing signal one time, the analog demenstration navigation terminal deducts the numerical value of current road section length the numerical value of a stepping segment length.
The action of analog demenstration navigation terminal, step 204:
Does the analog demenstration navigation terminal judge that the numerical value of current road section length is equal to or less than information lead numerical value in the information data of current goal point? be then to change step 205, otherwise change step 203.
The action of analog demenstration navigation terminal, step 205:
The voice module of analog demenstration navigation terminal broadcasts the navigation hint voice messaging of current goal landmark point in the information data of this group landmark point sequence, and display module shows the picture and text of current goal landmark point in the information data of this group landmark point sequence display message of navigating simultaneously.
The action of analog demenstration navigation terminal, step 206:
Does the analog demenstration navigation terminal judge that the numerical value of current road section length is zero? be then to change step 207, promptly arrive the current goal landmark point; Otherwise change step 203.
The action of analog demenstration navigation terminal, step 207:
The analog demenstration navigation terminal checks whether current goal landmark point coordinate is identical with the terminal point coordinate in this path; Be then to change step 208, otherwise change step 201.
The action of analog demenstration navigation terminal, step 208:
Arrive the destination, the timeing closing device also makes voice module broadcast the suggestion voice information of finishing navigation, and display module shows the information of finishing navigation simultaneously.
In the present embodiment in the information data of each landmark point navigation hint voice messaging and picture and text navigation display message all adopt the code of making an appointment and producing.
For example concrete voice data: " asking ", " the place ahead ", " on ", " go out ", " change over to ", " enter ", " back ", " left side ", " right side ", " centre ", " tunnel ", " crossing ", " isolation strip ", " viaduct ", " overpass ", " rotating disk ", " highway ", " auxilliary road ", " craspedodrome ", " left-hand rotation ", " right-hand rotation ", vocabularies such as " tune are travelled " is defined as one section code numerical value respectively, but several sections synthetic complete navigation hint voice messaging codes of code numerical value random set carry out played in order arbitrarily, as: with three sections code combinations of values is that the speech data that a navigation hint is spoken " please be kept straight on " for " the place ahead " " crossing ".And then also can form " please reverse end for end to travel in the isolation strip ", " please reverse end for end to travel in the crossing ", " rotating disk please reverse end for end to travel ", " go up viaduct ", " go up overpass ", " change viaduct on the auxilliary road, right side over to ", " change overpass on the auxilliary road, right side over to ", " changing viaduct under the auxilliary road, right side over to ", " entering highway ", " auxilliary road in the middle of entering ", " change auxilliary road, left side over to ", " changing auxilliary road, right side over to ", " rotating disk craspedodrome ", " rotating disk left-hand rotation ", clear and accurate navigation hint statements such as " rotating disk right-hand rotations ".In the picture and text navigation display message data: apart from 0.8 kilometer of character, 1.0 kilometers, 2.8 kilometers rice, 100 meters code numerical value that correspondence is respectively arranged.The abstraction graph of roadway characteristics such as " crossroad ", " nonstandard crossroad ", " T-shaped road junction ", " nonstandard T-shaped road junction ", " tunnel ", " isolation strip ", " viaduct ", " overpass ", " rotating disk ", " highway ", " auxilliary road " respectively has corresponding code numerical value.Operations such as " craspedodrome ", " left-hand rotation ", " right-hand rotation ", " tune is travelled " are pointed to symbol and have also been defined corresponding code numerical value respectively.
The picture and text navigation directions content at the landmark point place that the display module of analog demenstration navigation terminal shows is please referring to Fig. 3.In the horizontal bar above among Fig. 3 is the road name at current place; In the following horizontal bar is the road name of current goal landmark point (this landmark point); String diagram in the perpendicular hurdle in middle left side is this landmark point roadway characteristic abstraction graph, and black arrow figure is that mobility operation is pointed to symbol; The character of the first half is the distance that current location arrives this landmark point in the perpendicular hurdle, middle right side, and the character of Lower Half is the current location distance to destination.
Please contrast Fig. 3, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel on the Lian Yue road, the current goal landmark point is at the lotus flower South Road, this landmark point roadway characteristic is many forks in the road, should be to the direction running of taking back, current location is 1.2 kilometers to the distance of this landmark point, and the current location distance to destination is 3.6 kilometers.
Please contrast Fig. 4, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel on the Xian Yue road, the current goal landmark point is on the Xian Yue road, this landmark point roadway characteristic is the tune of crossing, isolation strip, direction tune is left travelled, current location is 1.2 kilometers to the distance of this landmark point, and the current location distance to destination is 3.5 kilometers.
Please contrast Fig. 5, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel on the Xian Yue road, the current goal landmark point is on the East Road, lakeside, this landmark point roadway characteristic was that the tunnel turns left, should turn left and travel, current location is 1.2 kilometers to the distance of this landmark point, 3.6 kilometers of current location distance to destinations.
Please contrast Fig. 6, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel at Jin Shanglu, the current goal landmark point is at Lv Linglu, this landmark point roadway characteristic is the crossing tune, should reverse end for end left to travel, current location is 0.8 kilometer to the distance of this landmark point, and the current location distance to destination is 2.5 kilometers.
Please contrast Fig. 7, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel at Jia Helu, the current goal landmark point is on the Xing Hu road, this landmark point roadway characteristic is to go up viaduct, should sail viaduct into to right avertence, current location is 1.2 kilometers to the distance of this landmark point, and the current location distance to destination is 3.6 kilometers.
Please contrast Fig. 8, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel at Jia Helu, the current goal landmark point is on the Xing Hu road, this landmark point roadway characteristic is following viaduct, should be to the direction running that takes over, current location is 1.5 kilometers to the distance of this landmark point, and the current location distance to destination is 5.2 kilometers.
Please contrast Fig. 9, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel at Hua Changlu, current goal landmark point main road in the lake, this landmark point roadway characteristic is to keep straight on, Ying Zhixiang travels, current location is 1.2 kilometers to the distance of this landmark point, and the current location distance to destination is 3.6 kilometers.
Please contrast Figure 10, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel in the North Road, lakeside, the current goal landmark point is at Jia Helu, this landmark point roadway characteristic is a rotating disk, Ying Zhixiang travels, current location is 1.2 kilometers to the distance of this landmark point, and the current location distance to destination is 3.6 kilometers.
Please contrast Figure 11, this moment, the display module content displayed of analog demenstration navigation terminal was represented: currently travel at extra large deep blue bridge, the current goal landmark point is on the road of taking a sea-voyage eastward, this landmark point roadway characteristic is to change auxilliary road, right side over to, should be to sailing auxilliary road, right side into, current location is 0.4 kilometer to the distance of this landmark point, and the current location distance to destination is 3.5 kilometers.
By top diagram and explanation, be understood that any driver or observer, can both make a response to voice and picture and text prompting fast by watching analog demenstration, understand and be familiar with the automobile navigation process and the characteristics of center navigational system.Further, whether the path that they can relatively navigate is consistent with Actual path, thereby judges the accuracy of analogue navigation.
The above only is preferred embodiment of the present invention, does not limit scope of the invention process with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (6)
1. the analog demenstration method of automobile navigation in the navigational system of center, comprise the analog demenstration navigation terminal and obtain two processes of navigation hint in navigation data and the utilization navigation data analog demenstration vehicle ', the step that this analog demenstration navigation terminal obtains the navigation data process has:
A. after this analog demenstration navigation terminal receives that the demonstrator pushes the signal of navigation keys, the real-time geographic coordinate data that receive of the satellite positioning module of himself as current location, are sent to navigation center and asked navigation Service by wireless communication module;
B. the demonstrator circulates a notice of the destination with the wireless voice communication navigation center of this analog demenstration navigation terminal;
C. navigation center writes down the current location and the destination coordinate of this analog demenstration navigation terminal, and calculates optimal path according to electronic chart, produces the information data of one group of landmark point sequence on this path;
D. navigation center sends the information data of this group landmark point sequence to this analog demenstration navigation terminal;
E. this analog demenstration navigation terminal receives and stores the information data of this group landmark point sequence; Finish the navigation Service request;
The step of this analog demenstration navigation terminal navigation hint process in utilization navigation data analog demenstration vehicle ' has:
G. set the number of steps from a landmark point to next landmark point and the timing signal spacing value of timer at the navigation terminal of this analog demenstration vehicle; Start timer;
L. the navigation terminal of this analog demenstration vehicle takes out the information data of a landmark point in the information data of this group landmark point sequence in turn, and with this landmark point as the current goal landmark point; Road section length in the information data of current goal landmark point is divided into a plurality of equal stepping sections as current road section length by number of steps,, the numerical value of current road section length is deducted the numerical value of a stepping segment length whenever timer sends timing signal one time; When the numerical value of current road section length is equal to or less than in the information data of current goal point information lead numerical value, the voice module of the navigation terminal of this analog demenstration vehicle broadcasts the navigation hint voice messaging of current goal landmark point in the information data of this group landmark point sequence, simultaneously display module shows the picture and text navigation directions information of current goal landmark point in the information data of this group landmark point sequence, is the zero current goal landmark point that promptly arrives up to the numerical value of current road section length;
M. the navigation terminal of this analog demenstration vehicle checks whether current goal landmark point coordinate is identical with the terminal point coordinate in this path; The step L that then returns to inequality, identical then timeing closing device also makes voice module broadcast the suggestion voice information of finishing navigation, and display module shows the information of finishing navigation simultaneously.
2. the analog demenstration method of automobile navigation in the navigational system of center according to claim 1, it is characterized in that: in described steps A, also comprise subsidiary identifying information in the navigation Service request that the communication module navigation center of the navigation terminal of this analog demenstration vehicle sends; Comprise also in described step B, after the navigation Service request is received by navigation center, this user and other vehicle that navigated made a distinction that navigation center only provides the service of navigation route information to the navigation terminal of analog demenstration vehicle according to this identifying information.
3. the analog demenstration method of automobile navigation in the navigational system of center according to claim 1, it is characterized in that: also comprise among the described step C, the navigation terminal of this analog demenstration vehicle determines that to receive navigation center's wireless voice communication on-hook signal the speech circular finishes, and the navigation terminal of this analog demenstration vehicle sends to navigation center by wireless communication module navigation center requests download path information data and with the real-time geographic coordinate data that receive of satellite positioning module as new current location.
4. the analog demenstration method of automobile navigation in the navigational system of center according to claim 3, it is characterized in that: among the described step C, navigation center writes down the current location and the destination of this analog demenstration automobile navigation terminal, calculate at least two optimal paths according to electronic chart, establishment comprise path number, this path of every paths whole range distance, this path each minute fork in the road point feature routing information, this routing information is sent to the navigation terminal of this analog demenstration vehicle; The navigation terminal of this analog demenstration vehicle receives and shows that above-mentioned routing information, demonstrator select an optimal path and import the path number in this path to the navigation terminal of this analog demenstration vehicle; The navigation terminal of this analog demenstration vehicle is with this path number loopback navigation center, and navigation center produces the information data of one group of landmark point sequence on this path by this path number.
5. the analog demenstration method of automobile navigation in the navigational system of center according to claim 4 is characterized in that: on described this path in the information data of one group of landmark point sequence the information data of each landmark point comprise numbering, longitude, latitude, road section length, voice messaging, display message and the speech play advance range of this landmark point in this path.
6. according to the analog demenstration method of automobile navigation in claim 1 or 2 or 3 or the 4 or 5 described center navigational system, it is characterized in that: described number of steps from a landmark point to next landmark point be 30 and the timing signal spacing value of timer be 1 second.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100089369A CN101294822A (en) | 2007-04-29 | 2007-04-29 | Vehicle navigation analog demonstration method of center navigation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100089369A CN101294822A (en) | 2007-04-29 | 2007-04-29 | Vehicle navigation analog demonstration method of center navigation system |
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| CN102466487A (en) * | 2010-11-09 | 2012-05-23 | 现代自动车株式会社 | Travelling route guidance system and car-audio apparatus and method thereof |
| CN102506883A (en) * | 2011-10-19 | 2012-06-20 | 华为终端有限公司 | Navigation method, equipment and navigation system |
| CN102620743A (en) * | 2011-12-31 | 2012-08-01 | 深圳市凯立德科技股份有限公司 | Display method and display device for planned roads |
| CN102003963B (en) * | 2009-08-31 | 2013-08-21 | 比亚迪股份有限公司 | Method for displaying central navigation route in terminal equipment |
| CN103376103A (en) * | 2012-04-18 | 2013-10-30 | 无锡知谷网络科技有限公司 | Indoor intelligent positioning and navigation method |
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| CN102003963B (en) * | 2009-08-31 | 2013-08-21 | 比亚迪股份有限公司 | Method for displaying central navigation route in terminal equipment |
| CN102466487A (en) * | 2010-11-09 | 2012-05-23 | 现代自动车株式会社 | Travelling route guidance system and car-audio apparatus and method thereof |
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| CN102506883A (en) * | 2011-10-19 | 2012-06-20 | 华为终端有限公司 | Navigation method, equipment and navigation system |
| CN102620743A (en) * | 2011-12-31 | 2012-08-01 | 深圳市凯立德科技股份有限公司 | Display method and display device for planned roads |
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Application publication date: 20081029 |