CN101046393B - Path navigation learning process for navigator - Google Patents
Path navigation learning process for navigator Download PDFInfo
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- CN101046393B CN101046393B CN2007100216237A CN200710021623A CN101046393B CN 101046393 B CN101046393 B CN 101046393B CN 2007100216237 A CN2007100216237 A CN 2007100216237A CN 200710021623 A CN200710021623 A CN 200710021623A CN 101046393 B CN101046393 B CN 101046393B
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Abstract
The path navigation learning process for navigator includes: for the navigator to show navigation path in the touch screen, and record the current position as deviation point and the current traveling path information in condition of current position deviating from the navigation path; record the regression point while returning to the navigation path; for the user to set the second initial point and the second destination; for the CPU unit to inquire the learning file and amend the second path based on the learning file if the deviation point and the regression point are in the second navigation path, so as to take the path between the deviation point and the regression point as part of the finally created second optimal navigation path; and for the navigator to navigate based on the second optimal navigation path until reaching the second destination.
Description
Technical field
The present invention relates to a kind of path navigation learning of navigating instrument.
Background technology
Existing navigating instrument has the function that user option is set, so that navigating instrument can find the path that arrives the desired terminal point of user when execution route is sought.User option can comprise " expressway is preferential ", " distance priority " and " non-toll preferential " etc., the ideal path that the option that the user can therefrom select to expect is reached home with searching.
Chinese patent application discloses a kind of route method of seeking for No. 200610002774.3 in navigating instrument.This method is included as by the specific part selection portion sub-path option of selecting the entire portion of user between starting point and terminal point; With seek according to described part Path Options in specific part the path and by adopting the described path in the described specific part to create the whole piece path that is used for entire portion.Therefore, the part Path Options that is different from the complete trails option that is used for the whole piece path is applied in from the whole piece path of origin-to-destination by the desired specific part of user, thereby can be applied to path finding by effectively that the user is desired option.The weak point of this navigating instrument is: do not have the path learning function, promptly user next time when this starting point is removed described terminal point, the user must repeat the aforesaid operations step and set described " part Path Options ", so that it uses is inconvenient.
In actual the use, the actual route of advancing of guiding route that navigating instrument calculates and user has deviation, as for avoiding peak on and off duty situation such as select to detour.Secondly, for some road of newly fixing, on the numerical map of navigating instrument, often do not show, and the user selects this road of newly fixing often more economical.Once more, the traffic rules regular meeting in some highway section changes, and changes unidirectional enforcement now into as road that originally can two-way enforcement, originally can about the crossing of turning round change into now and only allow or right-hand rotation etc.; Therefore, navigating instrument is necessary to write down the inconsistent situation of guiding route that these actual courses calculate with it, so that in the navigation Service afterwards, provides these information.
Summary of the invention
Technical matters to be solved by this invention provides a kind of path navigation learning with navigating instrument of path learning function.
For solving the problems of the technologies described above, the path navigation learning of navigating instrument of the present invention comprises the steps:
A, user control the unit by the touch-screen of navigating instrument and set starting point and destination, CPU element in the navigating instrument generates the first optimum path of navigation in conjunction with gps signal and the map datum in the map data base from gps receiver, and controls the unit by touch-screen and show this first optimum path of navigation and begin the route guidance process;
B, described CPU element are in real time in conjunction with judging from the gps signal of gps receiver whether current location departs from the described first optimum path of navigation;
If current location departs from the described first optimum path of navigation, then to write down this current location be deviation point to CPU element, and according to the current route information of advancing of gps signal record from gps receiver; When judging current course from the gps signal of gps receiver and get back on the described first optimum path of navigation, CPU element is recorded as regression point with the first coincide point of current course and the described first optimum path of navigation until CPU element; CPU element generates the study document according to described deviation point to the route information between the regression point;
C, navigating instrument continue the execution route bootup process, until arriving described destination;
D, user control the unit by touch-screen in the navigating instrument and set second starting point and second destination, and the CPU element in the navigating instrument generates second path of navigation in conjunction with gps signal and the map datum in the map data base from gps receiver; CPU element is inquired about described study document, if deviation point in the described study document of judgement and regression point are all on this second path of navigation, then CPU element is made amendment to second path of navigation according to described study document, with described deviation point to the part of the route between the regression point as the last second optimum path of navigation that generates;
E, navigating instrument are along the last second optimum path of navigation execution route bootup process that generates, until arriving described second destination.
The present invention has positive effect: the path navigation learning of (1) navigating instrument of the present invention, the circuit of the guiding route generation deviation that actual route of advancing of user and navigating instrument calculate in the actual use of energy real time record, can recording user be to avoid peak on and off duty etc. to select the circuit that detours, also can write down some traffic rules the highway section of change takes place and causes the circuit that the user must select to detour (to change unidirectional enforcement now into as road that originally can two-way enforcement, originally can about the crossing of turning round change into now only allow or right-hand rotation etc.), so that when navigating instrument calculates guiding route afterwards, can consider the circuit that these detour, thereby realized the path learning function, made things convenient for use.In addition, for some road of newly fixing, often do not show on the numerical map of navigating instrument, and the user selects these roads often more economical convenient, the present invention is by the gps signal of each time point on the path between real time record deviation point and the regression point, can write down this new line, and be suitable on numerical map, demonstrating this new line, thereby when navigating instrument calculates guiding route afterwards, can consider these new line, further perfect path learning function has made things convenient for use.(2) in actual use, deviation often takes place according to the current location that gps signal calculates in navigating instrument, and especially when the navigating instrument carrier was static, deviation was bigger.So in the path navigation learning of navigating instrument of the present invention, calculate the validity that translational speed that the navigating instrument carrier advances and acceleration are judged current location according to the gps signal of adjacent time point, improved setting accuracy, also judged for the judgement current location whether it departs from path of navigation reliable foundation is provided.(3) in the path navigation learning of navigating instrument of the present invention, when departing from path of navigation, according to whether having the road matching result, and draw different road informations, and with this final study document that generates, use when guidance path calculates later in the front position.
Description of drawings
Fig. 1 is the structural representation of the navigating instrument among the embodiment 1;
Fig. 2 is the flow chart of the path navigation learning of navigating instrument of the present invention;
Fig. 3 is the flow chart of the generation study document in the path navigation learning of navigating instrument of the present invention;
Fig. 4 is the optimum path of navigation Program for Calculation block diagram in the path navigation learning of navigating instrument of the present invention;
Fig. 5 is the path synoptic diagram in the application examples 1;
Fig. 6 is the path synoptic diagram in the application examples 2.
Embodiment
(embodiment 1)
As Fig. 1, navigating instrument of the present invention comprises: CPU element 1, with the CPU element 1 two-way gps receiver that is electrically connected 2, with the CPU element 1 two-way map data base 3 that is used to store numerical map that is electrically connected, with the CPU element 1 two-way program data base 4 that is used to store navigation program that is electrically connected, control unit 6 with the CPU element 1 two-way instantaneous speech power that is electrically connected 5 with the CPU element 1 two-way touch-screen that is electrically connected.The navigating instrument carrier can be mobile vehicles such as automobile, motorcycle.
See Fig. 2, the path navigation learning of the navigating instrument of present embodiment comprises the steps:
A, user control unit 6 by the touch-screen of navigating instrument and set starting point and destination, CPU element 1 in the navigating instrument generates the first optimum path of navigation in conjunction with gps signal and the map datum in the map data base 3 from gps receiver 2, controls unit 6 by touch-screen then and shows this path of navigation and begin the route guidance process;
B, described CPU element 1 are in real time in conjunction with judging from the gps signal of gps receiver 2 whether current location departs from the described first optimum path of navigation;
If current location departs from the described first optimum path of navigation, then CPU element 1 this current location of record is a deviation point, and according to the current route information of advancing of gps signal record from gps receiver 2; When judging current course from the gps signal of gps receiver 2 and get back on the described path of navigation, CPU element 1 is recorded as regression point with the first coincide point of current course and described path of navigation until CPU element 1; CPU element 1 generates the study document according to described deviation point to the route information between the regression point;
C, navigating instrument continue the execution route bootup process, until arriving described destination;
D, user control unit 6 by touch-screen in the navigating instrument and set second starting point and second destination, and the CPU element 1 in the navigating instrument is in conjunction with generating second path of navigation from the gps signal of gps receiver 2 and the map datum in the map data base 3; As Fig. 4, the described study document of CPU element 1 inquiry, if deviation point in the described study document of judgement and regression point are all on this second path of navigation, then CPU element 1 is made amendment to second path of navigation according to described study document, with described deviation point to the part of the route between the regression point as the last second optimum path of navigation that generates; Wherein, if there are all study documents on the path computing result of a plurality of offset points and regression point, then respectively learn document, to calculate the second optimum path of navigation.
E, navigating instrument are along the last second optimum path of navigation execution route bootup process that generates, until arriving described second destination.
The frequency that gps receiver 2 in the navigating instrument receives gps signals is 1 second 1 time.
As Fig. 3, CPU element 1 calculates capable translational speed of navigating instrument carrier and acceleration according to the gps signal of current reception and the gps signal that receives a last second; If one of the translational speed that calculates and acceleration do not meet preset threshold value, judge that then the described current location that calculates according to current GPS signal is invalid; Otherwise,, judge that then the described current location that calculates according to current GPS signal is effective if the translational speed and the acceleration that calculate all meet preset threshold value; The only just effective current location of CPU element 1 judges whether it departs from the described first optimum path of navigation.The threshold value of described translational speed is 35m/s; The threshold value of acceleration is 10m/s
2
Among the described step B, when current location departs from the described first optimum path of navigation and promptly deviation point occurs, CPU element 1 is carried out road matching according to this effective current location to the course of navigating instrument carrier, i.e. direction of advancing according to the navigating instrument carrier is at default angular range promptly in ± 20 degree and default inquire about whether there is road in apart from 50m;
If inquire at least 1 road of existence and promptly draw the road matching result, the numbering of road that then writes down the actual process in the road matching result is as first road information;
If do not exist qualified road promptly not have the road matching result after continuous 3 inquiry roads, then CPU element 1 writes down the gps signal of each time point on the current route of advancing, as second road information;
When CPU element 1 when judging current course from the gps signal of gps receiver 2 and get back on the described path of navigation, CPU element 1 is recorded as regression point with the first coincide point of current course and described path of navigation; CPU element 1 generates the study document according to described deviation point to first road information between the regression point and/or second road information.
Application examples 1
As Fig. 5, the user controls unit 6 by the touch-screen of navigating instrument and sets starting point S1 and destination G1, CPU element 1 in the navigating instrument generates optimum path of navigation and controls unit 6 demonstrations by touch-screen in conjunction with gps signal and the map datum in the map data base 3 from gps receiver 2, and this optimum path of navigation comprises successively as the highway section among Fig. 5 11,12,13,14 and 15; Begin the route guidance process then.
As Fig. 5, behind the P point that navigating instrument carrier D arrives, described CPU element 1 is not advanced by the highway section in the optimum path of navigation 12 according to judging the navigating instrument carrier from the gps signal of gps receiver 2, then CPU element 1 this current location of record is that the P point among Fig. 5 is a deviation point, 1 pair of current course of CPU element is carried out road matching 3 times, when all not having the road matching result, the gps signal of each time point on the current route of advancing of CPU element 1 record is as road information; Get back to when (promptly getting back to the highway section 15 in the above-mentioned optimum path of navigation) on the described path of navigation according to judge current course from the gps signal of gps receiver 2 until CPU element 1, it is H point among Fig. 5 that CPU element 1 is recorded as regression point with the first coincide point of current course and described path of navigation; CPU element 1 is that variation route 10 among Fig. 5 generates the study documents according to described deviation point to the road information between the regression point; And should learn document and deposited in the map data base 3.Navigating instrument continues the execution route bootup process, until arriving described destination G1.
The user controls unit 6 by touch-screen in the navigating instrument and sets the second starting point S2 and the second destination G2, CPU element 1 in the navigating instrument is in conjunction with generating second path of navigation from the gps signal of gps receiver 2 and the map datum in the map data base 3, and it comprises successively as the highway section among Fig. 5 16,12,13,14 and 17.Then, as Fig. 4, CPU element 1 begins inquiry and respectively learns document, inquire about deviation point in the described study document and regression point all on this second path of navigation, then CPU element 1 is made amendment to second path of navigation according to described study document, generates optimum path of navigation at last, and it comprises successively as the highway section among Fig. 5 16,10 and 17, navigating instrument execution route bootup process is until arriving the described second destination G2.
Application examples 2
As Fig. 6, the user sets starting point S3 and destination G3 by navigating instrument of the present invention, navigating instrument generates optimum path of navigation and controls unit 6 by touch-screen and shows (it comprises this optimum path of navigation as the highway section among Fig. 6 18,19,20,21 and 22), begins route guidance then.
Behind the P3 point of navigating instrument carrier in the 18 arrival Fig. 6 of highway section, CPU element 1 in the navigating instrument is not advanced by highway section 19 according to judging the navigating instrument carrier from the gps signal of gps receiver 2, after road matching, meet matching condition if inquire highway section 23, promptly draw the road matching result, simultaneously advance in the highway section 23 that begins in the road matching result of navigating instrument carrier, P3 point in CPU element 1 record diagram 6 is a deviation point, the current route information of advancing of CPU element 1 real time record, after having passed through highway section 24 and 25, CPU element 1 is got back to when (promptly getting back to the highway section 22 in the above-mentioned optimum path of navigation) on the described path of navigation according to judge current course from the gps signal of gps receiver 2, and it is H3 point among Fig. 6 that CPU element 1 is recorded as regression point with the first coincide point of current course and described path of navigation; CPU element 1 generates the second study document according to described deviation point P3 to the route information between the regression point H3 (being highway section 23,24 and 25 numbering among Fig. 6); And with this second study document deposit in the map data base 3.Navigating instrument continues the execution route bootup process, until arriving described destination G3.
(also can set up on their own through 3 times in above-mentioned bootup process by the user, as 1 time) after, the path of navigation of setting once more as the user is for when starting point S3 arrives destination G3, CPU element 1 in the navigating instrument is respectively learnt document by inquiry, after inquiring the described second study document, be that deviation point in the decidable second study document and regression point are all on this second path of navigation, then CPU element 1 generates optimum path of navigation according to the second study document, it comprises as the highway section among Fig. 5 18,23,24,25 and 22, navigating instrument execution route bootup process is until arriving the described second destination G3.
Claims (3)
1. the path navigation learning of a navigating instrument comprises the steps:
A, user control unit (6) by the touch-screen of navigating instrument and set starting point and destination, CPU element in the navigating instrument (1) is controlled unit (6) by touch-screen then and is shown this first optimum path of navigation and begin the route guidance process in conjunction with generating the first optimum path of navigation from the gps signal of gps receiver (2) and the map datum in the map data base (3);
B, described CPU element (1) are in real time in conjunction with judging from the gps signal of gps receiver (2) whether current location departs from the described first optimum path of navigation;
If current location departs from the described first optimum path of navigation, then to write down this current location be deviation point to CPU element (1), and according to the current route information of advancing of gps signal record from gps receiver (2); When judging current course and get back on the described first optimum path of navigation from the gps signal of gps receiver (2), CPU element (1) is recorded as regression point with the first coincide point of current course and the described first optimum path of navigation until CPU element (1); CPU element (1) generates the study document according to described deviation point to the route information between the regression point;
C, navigating instrument continue the execution route bootup process, until arriving described destination;
D, user control unit (6) by touch-screen in the navigating instrument and set second starting point and second destination, and the CPU element in the navigating instrument (1) is in conjunction with generating second path of navigation from the gps signal of gps receiver (2) and the map datum in the map data base (3); The described study document of CPU element (1) inquiry, if deviation point in the described study document of judgement and regression point are all on this second path of navigation, then CPU element (1) is made amendment to second path of navigation according to described study document, with described deviation point to the part of the route between the regression point as the last second optimum path of navigation that generates;
E, navigating instrument are along the last second optimum path of navigation execution route bootup process that generates, until arriving described second destination;
The frequency that gps receiver in the navigating instrument (2) receives gps signal is 1 second 1 time; In above-mentioned steps B, CPU element (1) calculates translational speed and the acceleration that the navigating instrument carrier is advanced according to the gps signal of current reception and the gps signal that receives a last second; If one of the translational speed that calculates and acceleration do not meet preset threshold value, judge that then the described current location that calculates according to current GPS signal is invalid; Otherwise,, judge that then the described current location that calculates according to current GPS signal is effective if the translational speed and the acceleration that calculate all meet preset threshold value; The only just effective current location of CPU element (1) judges whether it departs from the described first optimum path of navigation;
Among the described step B, when current location departs from the described first optimum path of navigation, CPU element (1) is carried out road matching according to this effective current location to the course of navigating instrument carrier, promptly the direction of advancing according to the navigating instrument carrier is preset an angular range, and whether inquiry exists road in default distance; If inquire at least 1 road of existence and promptly draw the road matching result, the numbering of road that then writes down the actual process in the road matching result is as first road information; If do not exist qualified road promptly not have the road matching result after continuous 3 inquiry roads, then CPU element (1) writes down the gps signal of each time point on the current route of advancing, as second road information; CPU element (1) generates described study document according to described deviation point to first road information or second road information between the described regression point.
2. the path navigation learning of navigating instrument according to claim 1, it is characterized in that: the threshold value of described translational speed is 35m/s; The threshold value of acceleration is 10m/s
2
3. the path navigation learning of navigating instrument according to claim 1 is characterized in that: a described default angular range is ± 20 degree, and described default distance is 50m.
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| CN2007100216237A CN101046393B (en) | 2007-04-18 | 2007-04-18 | Path navigation learning process for navigator |
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| CN2007100216237A CN101046393B (en) | 2007-04-18 | 2007-04-18 | Path navigation learning process for navigator |
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| CN101046393B true CN101046393B (en) | 2011-07-27 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5271637B2 (en) | 2008-08-28 | 2013-08-21 | アイシン・エィ・ダブリュ株式会社 | Travel route evaluation system and travel route evaluation program |
| CN102282599B (en) * | 2009-02-19 | 2014-08-06 | 丰田自动车株式会社 | Mobile object position detecting device |
| JP5419622B2 (en) * | 2009-10-01 | 2014-02-19 | 古野電気株式会社 | Ship display device |
| CN102455428B (en) * | 2010-10-21 | 2014-09-17 | 中国移动通信集团天津有限公司 | Positioning method and device of point facility in transmission pipeline system |
| CN102915348B (en) * | 2012-09-27 | 2015-09-09 | 北京百度网讯科技有限公司 | Recommend the method and system of search information to user in map |
| CN103712627A (en) * | 2013-10-22 | 2014-04-09 | 无锡坦程物联网科技有限公司 | Line deviation identification method based on car-mounted terminal position data |
| CN103743407A (en) * | 2014-01-20 | 2014-04-23 | 百度在线网络技术（北京）有限公司 | Navigation method and device |
| CN104251703A (en) * | 2014-09-19 | 2014-12-31 | 沈阳美行科技有限公司 | Navigation route learning and planning method |
| CN105352520B (en) * | 2015-09-29 | 2018-09-07 | 百度在线网络技术（北京）有限公司 | A kind of navigation routine modification method and device |
| CN105783929A (en) * | 2016-03-02 | 2016-07-20 | 吴伟东 | Mobile phone app navigation path generation method and system |
| WO2017147803A1 (en) * | 2016-03-02 | 2017-09-08 | 吴伟东 | Cellphone application navigation route generation method and system |
| CN106989755A (en) * | 2017-05-10 | 2017-07-28 | 北京小米移动软件有限公司 | Air navigation aid, device and computer-readable recording medium |
| CN111766873B (en) * | 2020-06-12 | 2023-12-05 | 广州极飞科技股份有限公司 | Method for guiding working equipment and related device |
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| CN1405530A (en) * | 2002-10-08 | 2003-03-26 | 曲声波 | Vehicle position detection apparatus and treatment method |
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