CN101114404A - Safety navigation system with wireless communication technology and method thereof - Google Patents
Safety navigation system with wireless communication technology and method thereof Download PDFInfo
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- CN101114404A CN101114404A CNA2006100367923A CN200610036792A CN101114404A CN 101114404 A CN101114404 A CN 101114404A CN A2006100367923 A CNA2006100367923 A CN A2006100367923A CN 200610036792 A CN200610036792 A CN 200610036792A CN 101114404 A CN101114404 A CN 101114404A
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Abstract
The invention discloses a safety navigation system and method that adopt wireless communication technology which can receive road condition information transmitted by the wireless communication technology and statistically analyze the received road condition information so as to find out the road sections that are not propitious for driving or are incapable of driving, so that when planning the path, the safety navigation system enables the drivers to slow down or to avoid the road sections, thereby increasing the driving safety of the drivers.
Description
Technical field
A kind of safety navigation system and method is meant the traffic information of a kind of reception with the wireless communication technology transmission especially, and traffic information is carried out statistical study to carry out the system and method for safety navigation.
Background technology
At present, Vehicular guidance system mainly is the information that receives through equipment such as gps receivers, finish vehicle location and map match, and can cook up the optimal path that arrives the destination according to user's requirement, and show vehicle location in patterned mode, and, in time send the key instruction of voice or graphics mode to the user according to the path and the vehicle location that generate.But as when meeting traffic informations such as road congestion, road construction, traffic control or inclement weather and can not be reflected to situation in the navigational system in real time, Vehicular guidance system may provide the user only navigation Service hardly.So, this just need send to real-time transport information the vehicle in travels down, realizes the function of Real-time and Dynamic path planning so that Vehicular guidance system to be provided.
In addition, radio data system (Radio Data System, RDS) be used as providing the media of real-time road, RDS is tissue (the European Broadcasting Union of European Broadcasting Union, EBU) Kai Fa radio data system, the wave band that it sees through FM provide voice and data communication and do not need to set up especially online passage.Had after this media of RDS, TMC just grows up, it sees through RDS and sends accurate and real-time traffic information, the Europe and the U.S. provide real-time road at the commercial TMC that has been extensive use of now, but, even TMC provides real-time road, but concerning a user who is unfamiliar with local travel route, still the route that can random conversion travel so makes the not maximum effect of performance of TMC.
Therefore, Vehicular guidance system and TMC certainly will be used the practical application that just can reach maximum simultaneously, can infer, after TMC is with the Vehicular guidance system combination, navigational system just can be selected other travel route according to the traffic information that TMC received, make the driver avoid the highway section of traffic hazard or traffic jam, but, the application scheme of both combinations does not occur at present, even therefore have the driver to use this two systems simultaneously, the driver also still must be by traffic information that TMC received through allowing navigational system path planning again, the inconvenience that this is suitable for the driver after the artificial setting.
In addition, though utilize TMC can obtain traffic information in real time, but also not much else.For some normal highway sections that traffic events take place, for example traffic congestion, traffic accident, thick fog etc. are not just avoided when path planning at the beginning in advance, and the highway section that therefore can allow the driver travel often to get into an accident or haze makes the driver meet accident easily.
Summary of the invention
In view of above problem, fundamental purpose of the present invention is to provide the traffic information of a kind of reception with the wireless communication technology transmission, all traffic informations that received are carried out statistical study, safety navigation system and method with the highway section of slowing down in the highway section that is unfavorable for driving a vehicle or avoiding to drive a vehicle, see through the present invention and can learn the highway section that is unfavorable for driving a vehicle and maybe can't drives a vehicle, in the path that the highway section planning that the highest speed limit in the highway section that is unfavorable for driving a vehicle can be slowed down or can't not drive a vehicle when path planning is sailed, the safety when travelling to increase the driver.
For reaching above-mentioned purpose, the present invention can be reached by System and method for two aspects, the disclosed system of the present invention includes: data-signal receiver module, data-signal parsing module, database module, feature highway section judge module, path planning module, reminding module.
In addition, the disclosed method of the present invention includes the following step: receive a data-signal with wireless communication technology; This data-signal is resolved,, this traffic information is deposited in the database to obtain traffic information; All traffic informations that store in the sense data storehouse go out the feature highway section via the statistical study definable; Again planning through or without the path in feature highway section; The path that the prompting driver plans again.
Relevant characteristics and implementation of the present invention cooperate diagram to be described in detail as follows as most preferred embodiment now.
Description of drawings
Fig. 1 is the safety navigation system that the present invention carried and the navigational system Organization Chart of method thereof
Fig. 2 is the safety navigation system that the present invention carried and the air navigation aid process flow diagram of method thereof
Fig. 3 a is the path synoptic diagram of the navigational system planning carried of the embodiment of the invention
Fig. 3 b is the path synoptic diagram of the navigational system planning carried of the embodiment of the invention
Fig. 3 c is the path synoptic diagram of the navigational system planning carried of the embodiment of the invention
Fig. 3 d is the traffic events tabulation that the embodiment of the invention is carried
Fig. 4 a is the TMC data layout that the embodiment of the invention is carried
Fig. 4 b is the TMC data layout that the embodiment of the invention is carried
The SMS data layout that Fig. 5 carries for the embodiment of the invention
Embodiment
The present invention can reach its intended purposes by the two-part execution of system and method.Following elder generation is that the system architecture diagram of safety navigation system of the present invention and method thereof illustrates System Operation of the present invention with Fig. 1.
As shown in the figure, system of the present invention contains data-signal receiver module 110, data-signal parsing module 120, database module 130, feature highway section judge module 140, path planning module 150, reminding module 160.Wherein data-signal receiver module 110 is responsible for receiving the data-signal that transmits with wireless communication technology; Data-signal parsing module 120 is responsible for resolving the data-signal that is received by data-signal receiver module 110, after resolving this data-signal, can obtain traffic information that this data-signal writes down, and the traffic information that obtains comprises a traffic events and the highway section that this traffic events takes place at least, and this traffic information is deposited in the database module 130; Database module 130 is responsible for storing the traffic information that comprises traffic events and the highway section of this traffic events takes place; Feature highway section judge module 140 is responsible for the traffic information that data-signal parsing module 120 is parsed and deposits in after the database module 130, read all and be stored in traffic information in the database module 130, and all traffic informations of statistical study, the highway section that various traffic events take place is judged as the feature highway section, and each feature highway section is divided at least is unfavorable for driving maybe can't drive a vehicle two classes and activation path planning module 150; Path planning module 150 is responsible for being planned the path passing through or do not pass through each feature highway section again according to judge the feature highway section that produces by feature highway section judge module 140, and is given reminding module 160 prompting drivers after path planning is finished; Reminding module 160 is responsible for the paths that prompting path planning module 150 are planned, wherein the highway section of the alleged unfavorable driving of the present invention for example: rain heavily, snow, thick fog, traffic accident number of times are higher than a setting value, traffic accident casualties number surpasses any situations such as certain numeral, road construction, traffic lane contraction, regular traffic congestion.
The operation workflow of the inventive method then, is described by the method flow diagram of Fig. 2 safety navigation of the present invention system and method thereof.When using, the driver carries out when guider 100 of the present invention is arranged, at first data-signal receiver module 110 can receive the data-signal (step 210) that wireless signal transmission platform 190 is sent with the wireless communication technology transmission technology, after data-signal receiver module 110 receives data-signal, data-signal parsing module 120 can be resolved this data-signal the traffic information (step 220) that comprises traffic events and the highway section of this traffic events takes place to obtain, after parsing is finished, traffic information is deposited in the database module 130 (step 230), then feature highway section judge module 140 can be read all and be stored in traffic information in the database module 130, and the judgment principle that all traffic information foundations are scheduled to carries out statistical study, the highway section that traffic events will take place again is judged as the feature highway section (step 240) that is unfavorable for driving a vehicle and maybe can't drives a vehicle, and then path planning module 150 can be judged the feature highway section that produces according to feature highway section judge module 140, again plan the path (step 250) passing through or do not pass through each feature highway section, the path (step 260) after planning again by reminding module 160 prompting drivers again.
Then explain orally operation system of the present invention and method with an embodiment who uses TMC to obtain real-time road.The driver has started to carry out navigational system of the present invention, and shown in Fig. 3 a, navigational system is planned a paths 311, offers the driver and does the reference route that travels.Simultaneously, the present invention begins to receive with the TMC data signals transmitted, with the form of TMC data signals transmitted shown in Fig. 4 a, Fig. 4 b, the present invention is after receiving first data-signal 400, first data-signal 400 that receives is resolved, first data-signal 400 can be divided into first block 410, second block 420, the 3rd block 430,440 4 blocks of the 4th block (Block), according to the original definition of TMC data signals transmitted, can confirm to contain event information sign indicating number 434 at the 3rd block 430; Contain required road section information sign indicating number 441 in the 4th block, through parsing to this data-signal, can obtain the event information sign indicating number 434 and road section information sign indicating number 441 of this data-signal, event information sign indicating number 434 tabled look-up to learn that the generation incident is traffic accident, again the road section information sign indicating number is tabled look-up and to learn that also the generation highway section is first highway section 321 in the place ahead, so the present invention deposits incident and the highway section that gets into an accident in the database in, and show that in first highway section 321 first symbol, 331 expressions, first highway section 321 has traffic events to take place, then read all data that exist in the database, through after the statistical study, learning that traffic events took place in the second adjacent highway section 322, is to be the feature highway section.Because the traffic events (shown in Fig. 3 d) that took place of second highway section 322,, the judgment principle that the present invention's foundation is scheduled to is unfavorable for the classification of driving a vehicle so being classified to second highway section 322; The traffic events of first highway section, 321 generations is to be traffic accident again, cause this highway section impassable, so the present invention selects the path of second highway section 322 as last planning, and for example the judgment principle be scheduled to of the present invention second highway section 322 that traffic accident will take place is classified to the classification that can not drive a vehicle, then the present invention will select the path 312 of Third Road section 323 as last planning, and on first highway section 321 and second highway section 322, point out driver first highway sections 321 and second highway section 322 not to travel with first symbol 331 and second symbol 332 respectively, shown in Fig. 3 b.
The present invention is except the above-mentioned function of mentioning, and database module 130 more comprises the storage time that each traffic information took place, or stores the driving speed limit corresponding to the feature highway section in advance; Feature highway section judge module 140 more comprises the principle that can change the judging characteristic highway section, and then screens the traffic information of reading, and again the traffic information that filters out is carried out statistical study; Path planning module 150 more comprises and be responsible for to reduce the driving speed limit (step 251) that is unfavorable for the highway section of driving a vehicle.Therefore the step below the present invention has more comprised, in step 230, database module 130 can store the time of origin of traffic events in the lump when storing each traffic information; In step 240, feature highway section judge module 140 judges that the highway section is that the principle in feature highway section can be decided to be whether the highway section has the number of times that traffic events, highway section took place traffic events takes place, traffic events takes place in the highway section serious grade or according to the time of origin of the stored traffic information of database module 130 etc., and statistical study will be in the traffic information in feature highway section path planning again after the mentioned above principle screening, path as planning again meets the traffic information that is unfavorable for the highway section of driving a vehicle, and the present invention can reduce the driving speed limit in the feature highway section of this unfavorable driving.
The top embodiment that then continues explains orally operation system and the method that the present invention adds.Shown in Fig. 3 c, the present invention's this moment receives and parses the traffic information in second highway section 322 for raining heavily at present, because can making the driving sight line reduce, heavy rain is unfavorable for driving, therefore the present invention can be classified to second highway section 322 and be unfavorable for the classification of driving a vehicle, and the driving speed limit in second highway section 322 reduced to 40km/hr by the 50km/hr that stores in advance, the present invention will inform that the user surpasses speed limit when driver's speed of a motor vehicle surpasses 40km/hr, and for example the driver sets and judges that the highway section is that the traffic events accumulative total frequency in feature highway section is 20 times, therefore the path 313 of planning will be through the second adjacent highway section 322, if being judged as the traffic events cumulative number in feature highway section changes to 5 times, shown in Fig. 3 d, because the traffic events accumulative total that second highway section 322 takes place is above 5 times, after through judgement, the present invention is classified to second highway section 322 and is unfavorable for the highway section of driving a vehicle, therefore the path 313 of the present invention's planning will be through second highway section 322 (shown in Fig. 3 c), and the highest speed limit in second highway section 322 is reduced to 40 kilometers by 50 kilometers of speed per hours, and prompting driver.If further be set at traffic accident with the foundation in judging characteristic highway section this moment, because second highway section 322 traffic accidents adjacent with first highway section 321 surpass 5 times (shown in Fig. 3 d), then the path 313 of the present invention's planning still will be by second highway section 322.
If the driver cancels the judgement of cumulative number, and basis of design traffic accident or traffic congestion come the judging characteristic highway section, then according to Fig. 3 d, there is the traffic events that traffic accident or traffic congestion took place in second highway section 322, therefore the present invention can be classified to the classification that can't drive a vehicle with second highway section 322, second highway section 322 will not passed through in the path 313 of being planned, change into by Third Road section 323.If the driver does not adjust the accumulative total frequency in judging characteristic highway section, but the traffic events time of origin that has changed the judging characteristic highway section is nearest 1 year, then because second highway section 322 is because traffic events all occurs in 1 year preceding (shown in Fig. 3 d), therefore the path of planning equally can be shown in Fig. 3 c, by second highway section 322.
As judgment principle traffic hazard is divided into four grades according to seriousness, traffic congestion, thick fog, traffic accident, dead traffic accident, if this moment first, the traffic events of road closed took place in highway section 321, and judgment principle is defined in second grade with seriousness, the highway section of just avoiding thick fog and traffic accident taking place, then three traffic accidents because took place in second highway section 322, therefore the path that the present invention planned will be shown in Fig. 3 b, through walking around second highway section 322, change and walk Third Road section 323, if change judges that the grade of seriousness is dead traffic accident, because of dead traffic accident did not appear in second highway section 322, the path of the present invention's planning will be shown in Fig. 3 c, through second highway section 322.
Except that TMC, the present invention can also utilize wireless communication techniques such as GPRS, SMS to transmit traffic information, as shown in Figure 5, with SMS is example, second data message 500 that SMS transmitted contains traffic event information sign indicating number 511 and the road section information sign indicating number 512 that this traffic events takes place, after the present invention's reception and resolving second data message 500, equally can be as above-mentioned method, through tabling look-up, offer the path of navigational system planning safety with traffic events sign indicating number 511 and the traffic events of road section information sign indicating number 512 conversion generations and the highway section of generation.
Though the present invention discloses as above with aforesaid preferred embodiment; right its is not in order to limit the present invention; any familiar alike skill person; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, therefore scope of patent protection of the present invention must be looked the appended claim person of defining of this instructions and is as the criterion.
Claims (14)
1. a safety navigation system that uses wireless communication technology uses the traffic information of wireless communication technology transmission to carry out safety navigation, it is characterized in that this system comprises:
One data-signal receiver module is in order to receive the data-signal that transmits with wireless communication technology;
One traffic information in the highway section of this traffic events in order to resolve this data-signal, takes place to obtain a comprising traffic events and at least in one data-signal parsing module;
One database module is in order to store this traffic information;
One feature highway section judge module, be used to this traffic information store finish after, comply with respectively this traffic information of a judgment principle statistical study of being scheduled to, define at least one feature highway section according to this, and, this feature highway section respectively is divided into highway section two classes that are unfavorable for driving a vehicle and maybe can't drive a vehicle at least according to this traffic events of this traffic information respectively;
One path planning module in order to planning a path again, and judges that according to the classification in this feature highway section respectively respectively this feature highway section could be contained in this path; And
One reminding module is in order to the path of pointing out this to plan again.
2. the safety navigation system of utilization wireless communication technology according to claim 1 is characterized in that, whether this predetermined judgment principle can be one the record of this traffic information respectively, the cumulative number of this traffic information respectively.
3. the safety navigation system of utilization wireless communication technology according to claim 1, it is characterized in that, this feature highway section judge module more comprises a respectively serious grade of this traffic events of judgement, and complies with respectively this traffic information that respectively this serious grade screening is read, and carries out statistical study again.
4. the safety navigation system of utilization wireless communication technology according to claim 1 is characterized in that, respectively this traffic information that this database module stores more comprises the respectively time of origin of these road conditions.
5. the safety navigation system of utilization wireless communication technology according to claim 4 is characterized in that, this feature highway section judge module more comprises complies with respectively this traffic information that respectively this time of origin screening is read, and carries out statistical study again.
6. the safety navigation system of utilization wireless communication technology according to claim 1 is characterized in that, this database module stores at least one driving speed limit more in advance, wherein should driving speed limit corresponding to this feature highway section respectively one of them.
7. the safety navigation system of utilization wireless communication technology according to claim 6 is characterized in that, this path planning module more comprises and reduces at least one driving speed limit that is unfavorable for the highway section of driving a vehicle in this path of planning again.
8. a safety navigation method of using wireless communication technology uses the traffic information of wireless communication technology transmission to carry out safety navigation, it is characterized in that this method comprises the following step:
(a) receive a data-signal with the wireless communication technology transmission;
(b) resolve this data-signal, a traffic information in the highway section of this traffic events takes place to obtain a comprising traffic events and at least;
(c) this traffic information is deposited in the database;
(d) by reading at least one traffic information in this database, comply with respectively this traffic information of a judgment principle statistical study of being scheduled to, define at least one feature highway section according to this, and, this feature highway section respectively is divided into highway section two classes that are unfavorable for driving a vehicle and maybe can't drive a vehicle at least according to this traffic events of this traffic information respectively;
(e) plan a path again, and judge that according to the classification in this feature highway section respectively respectively this feature highway section could be contained in this path; And
(f) path of pointing out this to plan again.
9. the safety navigation method of utilization wireless communication technology according to claim 8 is characterized in that, this judgment principle of this step (d) can be record that whether this traffic information is respectively arranged, the cumulative number of this traffic information respectively.
10. the safety navigation method of utilization wireless communication technology according to claim 8, it is characterized in that, this judgment principle of this step (d) more comprises a respectively serious grade of this traffic events of judgement, and complies with respectively this traffic information that respectively this serious grade screening is read, and carries out statistical study again.
11. the safety navigation method of utilization wireless communication technology according to claim 8 is characterized in that, this traffic information that this step (c) deposits database in more comprises the time of origin of this traffic events.
12. the safety navigation method of utilization wireless communication technology according to claim 11 is characterized in that, this judgment principle of this step (d) more comprises complies with respectively this traffic information that respectively this time of origin screening is read, and carries out statistical study again.
13. the safety navigation method of utilization wireless communication technology according to claim 8 is characterized in that, this database stores at least one driving speed limit more in advance, wherein should driving speed limit corresponding to this feature highway section respectively one of them.
14. the safety navigation method of utilization wireless communication technology according to claim 13 is characterized in that, this step (e) more comprises a step:
(e1) reduce at least one driving speed limit that is unfavorable for the highway section of driving a vehicle in this path of planning again.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915585A (en) * | 2010-09-01 | 2010-12-15 | 北京千方科技集团有限公司 | Graphic traffic induction method and system |
| CN102200440A (en) * | 2010-03-25 | 2011-09-28 | 苏州汉扬精密电子有限公司 | Vehicle navigation system and method |
| CN102288186A (en) * | 2010-06-21 | 2011-12-21 | 昆达电脑科技(昆山)有限公司 | Navigation system and path planning method using same |
| CN103164986A (en) * | 2011-12-14 | 2013-06-19 | 财团法人工业技术研究院 | Warning system and method for specific road conditions of vehicle |
| CN106251669A (en) * | 2016-08-18 | 2016-12-21 | 深圳市永兴元科技有限公司 | Vehicle drive reminding method and device |
| CN107111951A (en) * | 2014-12-29 | 2017-08-29 | 诺基亚技术有限公司 | Point-to-point personal communication in delivery vehicle environment |
| CN109552322A (en) * | 2017-09-25 | 2019-04-02 | 安波福技术有限公司 | The lane markings of automated vehicle simulation guide system |
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| TWI416079B (en) | 2009-12-08 | 2013-11-21 | Mitac Int Corp | Navigation systems and route planning methods using the same |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200440A (en) * | 2010-03-25 | 2011-09-28 | 苏州汉扬精密电子有限公司 | Vehicle navigation system and method |
| CN102288186A (en) * | 2010-06-21 | 2011-12-21 | 昆达电脑科技(昆山)有限公司 | Navigation system and path planning method using same |
| CN101915585A (en) * | 2010-09-01 | 2010-12-15 | 北京千方科技集团有限公司 | Graphic traffic induction method and system |
| CN103164986A (en) * | 2011-12-14 | 2013-06-19 | 财团法人工业技术研究院 | Warning system and method for specific road conditions of vehicle |
| CN103164986B (en) * | 2011-12-14 | 2015-05-13 | 财团法人工业技术研究院 | Warning system and method for specific road conditions of vehicle |
| US9047773B2 (en) | 2011-12-14 | 2015-06-02 | Industrial Technology Research Institute | Exceptional road-condition warning device, system and method for a vehicle |
| CN107111951A (en) * | 2014-12-29 | 2017-08-29 | 诺基亚技术有限公司 | Point-to-point personal communication in delivery vehicle environment |
| CN106251669A (en) * | 2016-08-18 | 2016-12-21 | 深圳市永兴元科技有限公司 | Vehicle drive reminding method and device |
| CN106251669B (en) * | 2016-08-18 | 2018-11-23 | 深圳市永兴元科技股份有限公司 | Vehicle drive reminding method and device |
| CN109552322A (en) * | 2017-09-25 | 2019-04-02 | 安波福技术有限公司 | The lane markings of automated vehicle simulation guide system |
| CN109552322B (en) * | 2017-09-25 | 2022-06-03 | 安波福技术有限公司 | Lane marking guidance system for automated vehicle simulation |
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