CN101149270A - Speed limiting road voice navigation device - Google Patents
Speed limiting road voice navigation device Download PDFInfo
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- CN101149270A CN101149270A CNA2007101452523A CN200710145252A CN101149270A CN 101149270 A CN101149270 A CN 101149270A CN A2007101452523 A CNA2007101452523 A CN A2007101452523A CN 200710145252 A CN200710145252 A CN 200710145252A CN 101149270 A CN101149270 A CN 101149270A
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- road
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- speech
- speed
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Abstract
The invention discloses a speech navigation device of speed-limit road including the road modeling module used to set the network module in electric map according to the react road and set the topological map between the roads; the distributed module of speed-limit road used in distributing the speed-limit information at the speed-limit position of the network module on the road modeling module; the speech navigation data bank used to memory speech information; road programming module used to determine running path of vehicle; GPS location module used to determine the present position of vehicle; navigation speech module used to take out the speech information and play from the speech navigation data bank; main controlling module used to select the navigation speech module to navigate to determine the speed-limited road according to the road modeling module and GPS position module. Because of using the phonetic cue in speed-limited road, it can provide the navigation of more safety.
Description
Technical field
The present invention relates to the map of navigation electronic field, refer to a kind of speed limiting road voice navigation device especially.
Background technology
GPS (Global Position System, GPS) main application of onboard navigation system is for the vehicle driver provides from origin to destination detailed navigation Service, and the navigation speech prompting of vehicle ' during to the crossing then is one of The key factor in the whole navigation procedure.
The existing voice guider can provide informations such as turning mostly, but this can not satisfy the demand of modern society far away.Along with the generation of national road construction planning and urban traffic accident, increasing road has begun to limit the speed of vehicle ', in the hope of control the incidence of traffic hazard with this.The existing voice guider does not have any information about speed limit, thereby is unfavorable for controlling the incidence of traffic hazard, can not navigate safely.
Summary of the invention
The problem to be solved in the present invention provides a kind of speed limiting road voice navigation device of navigation that can be safer.
In order to address the above problem, the technical scheme of speed limiting road voice navigation device of the present invention comprises:
The road modeling module, being used for according to the real road situation is that the road of electronic chart is set up its corresponding network model and set up topological relation figure between the road;
Speed limit road configuration module is used for place, the speed limit road configuration speed-limiting messages on the network model that described road modeling module is set up;
Speech navigation databank is used to deposit voice messaging;
Path planning module is used for determining the driving path of vehicle;
The GPS locating module is used for determining the current location of vehicle;
The navigation speech module is used for taking out corresponding voice messaging from described speech navigation databank and is play;
Main control module when being used for result according to described path planning module and GPS locating module and judging that the place ahead of vehicle current location is the speed limit road, calls described navigation speech module and carries out Voice Navigation.
Described speech navigation databank comprises following field:
The voice attributes field is used for the unique identification voice messaging;
The voice messaging field is used to represent every kind of pairing navigation speech of described voice attributes.
Described voice messaging comprises following information:
The place ahead is the speed limit road, please notes.
Compared with prior art, the beneficial effect of speed limiting road voice navigation device of the present invention is:
By adopting speed limit road configuration module, the place is equipped with voice suggestion on the speed limit road, thereby safer navigation is provided.
Description of drawings
Fig. 1 is the speed(-)limit sign synoptic diagram;
Fig. 2 is a speed limiting road voice navigation device of the present invention.
Embodiment
For speed-limiting messages, refer generally in the road traffic, the traffic warning notice of restriction Vehicle Speed is generally circular frame black arabic numeral, as shown in Figure 1, Zhong Jian black arabic numeral are that 40 travel speeds that are illustrated on this road must not be above 40 kilometers/hour.
As shown in Figure 2, speed limiting road voice navigation device of the present invention comprises:
Road modeling module 7, being used for according to the real road situation is that the road of electronic chart is set up its corresponding network model and set up topological relation figure between the road;
Speed limit road configuration module 1 is used for place, the speed limit road configuration speed-limiting messages on the network model that described road modeling module is set up;
Speech navigation databank 2 is used to deposit voice messaging;
Path planning module 3 is used for determining the driving path of vehicle;
GPS locating module 4 is used for determining the current location of vehicle;
Navigation speech module 5 is used for taking out corresponding voice messaging from described speech navigation databank 2 and is play;
Main control module 6 when being used for result according to described path planning module 3 and GPS locating module 4 and judging that the place ahead of vehicle current location is the speed limit road, calls described navigation speech module 5 and carries out Voice Navigation.
Wherein, described speech navigation databank 2 comprises following field:
The voice attributes field is used for the unique identification voice messaging;
The voice messaging field is used to represent every kind of pairing navigation speech of described voice attributes.
Described voice messaging comprises following information: " the place ahead is the speed limit road, please notes ".
Speech navigation databank 6 is in this example:
In speech database, there is corresponding relation as following table:
| The voice attributes field | The voice messaging field | Voice document |
| 51000247 | The place ahead is the speed limit road, please notes | 51000247.wav |
In last table, voice attributes field " 51000247 " is the ID of the voice on speed limit road, and corresponding voice messaging is " the place ahead is the speed limit road, please notes ", and the corresponding voice document that is stored in speech database is " 51000247.wav ".
Speed limit road configuration module 1 is implemented as follows:
At concrete speed limit road, on road, make the speed limit point.According to the speed limit situation in each track of road, respectively according to consistent on the spot order from left to right typing speed-limiting messages successively as the attribute information of this speed limit point.(separate a plurality of speed limits with " | ", 110|120 for example, promptly the speed-limiting messages in expression two tracks from left to right be respectively 110 kms/time and 120 kms/time).And a speed limit point of making is kept in the navigation electronic.In navigation electronic, the data list structure of storage speed limit point is as follows:
Sign.dbf
| Object field | Reorganize and outfit coding | Remarks |
| Sign_type | 1 | Speed-limiting messages |
| Sign_info | From left to right, separate with " | " between each track by track record speed-limiting messages | |
| COORD | The coordinate of speed limit point |
Concrete storage example is as follows:
| Sign_type | Sign_info | COORD |
| 1 | 100|110|100 | 418322.081.143732.86 |
The Sign_type value is to represent that this information was speed-limiting messages at 1 o'clock.
100|110|100 represents to have three tracks, and the speed-limiting messages in three tracks, left, center, right is respectively 100 kilometers/hour, 110 kilometers/hour and 100 kilometers/hour.418322.081,143732.86 coordinates for this speed limit point.
Path planning module 3 is implemented as follows:
(1) finds out the road at coordinate place, described destination;
(2) find out the road at described starting point coordinate place;
(3) find out other road that links to each other with the road at described starting point coordinate place, and one the shortest road of selected distance therefrom;
(4) judge whether the described road of choosing in the above-mentioned steps is the road at coordinate place, described destination, (5) are with the described road chosen in the above-mentioned steps road repeated execution of steps (3) as starting point coordinate place if not;
(6) successively the road of all selections is stringed together to obtain a bar navigation circuit.
GPS locating module 4 implementation procedures are as follows:
Receive instrument by GPS and receive the locating information that gps satellite is sent back, calculate the coordinate of the current loca of automobile, this coordinate is presented at the map that is the center with this point on the navigating instrument corresponding to the corresponding coordinate points on the electronic chart on the navigating instrument.
The implementation procedure of navigation speech module 5 is as follows:
Obtain the current traveling-position of vehicle according to GPS locating module 4, when this position is speech trigger point place, triggers and play speech events, promptly play the voice of this trigger point correspondence.For example shown in Figure 1: during speech trigger point before driving to the speed limit road, according to the filename that is stored in the trigger point " 51000247.wav ", play this voice document, promptly the sound of Bo Chuing is " the place ahead is the speed limit road, please notes ".
The implementation procedure of main control module 6 is as follows:
At first according to the destination of user input, call path planning module 3 and carry out path planning, return a road from the starting point to the starting point, judge then whether this road passes through the speed limit road, if through the speed limit road, then the speech trigger point is set up at about preceding 1000 meters on this speed limit road, when described speech trigger point refers to travel to this, plays the point of corresponding voice suggestion.Navigate according to this road then.In the auto navigation process, main control module calls GPS locating module 4 is determined the position that automobile is current, and the map that with the automobile current location is the center is presented on the navigating instrument.In automobile process to overtake, judge constantly whether the position of current driving exists the speech trigger point, if when running into speech trigger point, then trigger and play speech events, promptly call the voice that navigation speech module 5 is play these trigger point correspondences.
For example, when beginning to navigate, the destination that user's input will be sailed for, the guidance path of path planning module 3 calculating from the starting point to the destination, an and guidance path that obtains then returns to main control module 6, and main control module 6 judges whether guidance path passes through the speed limit road, if through the speed limit road, then the speech trigger point is set up at about preceding 1000 meters on this speed limit road, when described speech trigger point refers to travel to this, plays the point of corresponding voice suggestion.Suppose certain speed limit road of guidance path process, then set up a speech trigger point at preceding 1000 meters of this speed limit road.Main control module 6 is the information of speed limit road according to the place ahead, and retrieval speech navigation databank 2 sees the following form:
| The voice attributes field | The voice messaging field | Voice document |
| 51000247 | The place ahead is the speed limit road, please notes | 51000247.wav |
In the related voice document name " 51000247.wav " of this speech trigger point place input.In the process that the guidance path that automobile returns along path planning module 3 travels, main control module 6 calls GPS locating module 4 and determines the position that automobile is current, and the map that with the automobile current location is the center is presented on the navigating instrument.Simultaneously, main control module 6 constantly judges whether the position of current driving exists the speech trigger point, if when running into speech trigger point, then triggers and plays speech events, and promptly main control module 6 calls the voice that navigation speech module 5 is play these trigger point correspondences.During speech trigger point before driving to the speed limit road, according to the filename that is stored in speech trigger point " 51000247.wav ", play this voice document, promptly the sound of Bo Chuing is " the place ahead is the speed limit road, please notes ".
In sum, adopt technical scheme of the present invention, safer navigation can be provided.
Claims (3)
1. a speed limiting road voice navigation device is characterized in that, comprising:
The road modeling module, being used for according to the real road situation is that the road of electronic chart is set up its corresponding network model and set up topological relation figure between the road;
Speed limit road configuration module is used for place, the speed limit road configuration speed-limiting messages on the network model that described road modeling module is set up;
Speech navigation databank is used to deposit voice messaging;
Path planning module is used for determining the driving path of vehicle;
The GPS locating module is used for determining the current location of vehicle;
The navigation speech module is used for taking out corresponding voice messaging from described speech navigation databank and is play;
Main control module when being used for result according to described path planning module and GPS locating module and judging that the place ahead of vehicle current location is the speed limit road, calls described navigation speech module and carries out Voice Navigation.
2. speed limiting road voice navigation device as claimed in claim 1 is characterized in that, described speech navigation databank comprises following field:
The voice attributes field is used for the unique identification voice messaging;
The voice messaging field is used to represent every kind of pairing navigation speech of described voice attributes.
3. speed limiting road voice navigation device as claimed in claim 2 is characterized in that, described voice messaging comprises following information:
The place ahead is the speed limit road, please notes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101452523A CN101149270A (en) | 2006-09-20 | 2007-08-17 | Speed limiting road voice navigation device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620120955.1 | 2006-09-20 | ||
| CN200620120955 | 2006-09-20 | ||
| CNA2007101452523A CN101149270A (en) | 2006-09-20 | 2007-08-17 | Speed limiting road voice navigation device |
Publications (1)
| Publication Number | Publication Date |
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| CN101149270A true CN101149270A (en) | 2008-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101452523A Pending CN101149270A (en) | 2006-09-20 | 2007-08-17 | Speed limiting road voice navigation device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532846B (en) * | 2009-04-21 | 2011-10-26 | 北京四维图新科技股份有限公司 | Road navigation method and device |
| CN102831778A (en) * | 2011-06-16 | 2012-12-19 | 环达电脑(上海)有限公司 | Storage medium, computer program product and navigation device and control method thereof |
| CN101635096B (en) * | 2008-07-21 | 2013-02-06 | 株式会社电装 | Speed limit announcing device, method and device for announcing speed limit |
| CN103847523A (en) * | 2012-12-07 | 2014-06-11 | 北汽福田汽车股份有限公司 | Automatic vehicle speed limiting device, method and vehicle comprising device |
| CN108775905A (en) * | 2018-07-02 | 2018-11-09 | 华南理工大学 | A kind of electronic navigation voice broadcast method adapting to road equipment |
-
2007
- 2007-08-17 CN CNA2007101452523A patent/CN101149270A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635096B (en) * | 2008-07-21 | 2013-02-06 | 株式会社电装 | Speed limit announcing device, method and device for announcing speed limit |
| CN101532846B (en) * | 2009-04-21 | 2011-10-26 | 北京四维图新科技股份有限公司 | Road navigation method and device |
| CN102831778A (en) * | 2011-06-16 | 2012-12-19 | 环达电脑(上海)有限公司 | Storage medium, computer program product and navigation device and control method thereof |
| CN103847523A (en) * | 2012-12-07 | 2014-06-11 | 北汽福田汽车股份有限公司 | Automatic vehicle speed limiting device, method and vehicle comprising device |
| CN108775905A (en) * | 2018-07-02 | 2018-11-09 | 华南理工大学 | A kind of electronic navigation voice broadcast method adapting to road equipment |
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Open date: 20080326 |