CN105608509A - Horizontal projection trajectory prediction method and device for 4D flight path of aircraft - Google Patents
Horizontal projection trajectory prediction method and device for 4D flight path of aircraft Download PDFInfo
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Abstract
The invention relates to the field of aviation management, in particular to a horizontal projection trajectory prediction method and device for an aircraft 4D trajectory. The method comprises the following steps: searching corresponding navigation information according to the navigation indication information in the acquired navigation plan report; the navigation information is arranged in a airspace database, and the airspace database is established according to a preset navigation information composition rule; and predicting the horizontal projection track of the 4D track of the aircraft according to the navigation information. According to the navigation method, corresponding navigation information is searched for according to navigation indication information in the acquired navigation plan report; the navigation information is arranged in a airspace database, and the airspace database is established according to a preset navigation information composition rule; and then, the horizontal projection track of the 4D track of the aircraft can be accurately predicted according to the navigation information, so that the accuracy of 4D track prediction of the aircraft is improved, and the air traffic safety is guaranteed.
Description
Technical field
The present invention relates to aviation management domain, relate in particular to a kind of floor projection trajectory predictions method and dress of airborne vehicle 4D flight pathPut.
Background technology
4D Trajectory Prediction is a core technology in air traffic control system, refers to before airborne vehicle does not take off, according to posterior infromationWith this airborne vehicle of original plan information prediction from fly to landing the space-time coordinate of all air routes point range of process, compriseLongitude, latitude, height and the time of flight. The track that can detect as early as possible different airborne vehicles by 4D Trajectory Prediction existsAerial conflict, thus elimination adjusted, avoid the possibility that clashes aloft, thereby improve air traffic safety.
4D flight path is formed by floor projection track and vertical section track, and therefore the prediction of floor projection track is that 4D flight path is pre-A pith of surveying. Floor projection track refers to that airborne vehicle flies to another way point institute shape along straight line from a way pointThe projection coordinate's line segment becoming. In prior art based on basic flight model, in conjunction with spatial domain database to airborne vehicle 4D flight pathFloor projection track is predicted. Wherein, in the database of spatial domain, store chart data, sail information, airport and turnoverPort point data and detailed latitude and longitude coordinates thereof, also comprise way point, the information such as the point that approaches, distance between leaving the port a little.
Inventor finds realizing in process of the present invention, due to rolling up of flight course line, makes in the database of spatial domainData volume significantly increases, and causes not only bothering in the time of the floor projection track of prediction airborne vehicle 4D flight path, slowly Er QierongEasily make mistakes, and then affect the prediction of airborne vehicle 4D flight path, thereby bring hidden danger to air traffic safety.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of floor projection trajectory predictions method and dress of airborne vehicle 4D flight pathPut, can predict accurately and fast the floor projection track of airborne vehicle 4D flight path, improved the standard of airborne vehicle 4D Trajectory PredictionExactness and efficiency, thus air traffic safety also improved.
The embodiment of the present invention provides a kind of floor projection trajectory predictions method of airborne vehicle 4D flight path, comprising:
Plan the navigation instruction in report (filedflightplanmessage, hereinafter to be referred as FPL) according to the navigator who obtainsThe sail information that information searching is corresponding; Described sail information is arranged in the database of spatial domain, and described spatial domain database root is according to defaultSail information composition rule creates;
According to the floor projection track of described sail information prediction airborne vehicle 4D flight path.
Wherein, described default sail information composition rule refers in the section of multiple air routes that each air route section is by adjacent two way pointsSequence number composition with this air route section in the section of all air routes.
Further, according to the floor projection track of described sail information prediction airborne vehicle 4D flight path, be specially:
Extract successively corresponding air route section according to the sequence number in described sail information, all air routes section extracting is airborne vehicle 4DThe floor projection track of flight path.
Wherein, described sail information comprises air route information and route information.
The embodiment of the present invention also provides a kind of floor projection trajectory predictions device of airborne vehicle 4D flight path, comprising: search moduleAnd prediction module;
The described module of searching, for searching corresponding sail information according to the navigation indication information of the FPL obtaining; Described boatRow information is arranged in the database of spatial domain, and described spatial domain database root creates according to default sail information composition rule;
Described prediction module, for predicting the floor projection track of airborne vehicle 4D flight path according to described sail information.
Wherein, described default sail information composition rule refers in the section of multiple air routes that each air route section is by adjacent two way pointsSequence number composition with this air route section in the section of all air routes.
Further, described prediction module extracts corresponding air route section successively according to the sequence number in described sail information, extractsAll air routes section is the floor projection track of airborne vehicle 4D flight path.
The navigation indication information that the navigator that the embodiment of the present invention is obtained by basis plans in report is searched corresponding sail information; ItsMiddle sail information is arranged in the database of spatial domain, and described spatial domain database root creates according to default sail information composition rule; ThenFloor projection track that can Accurate Prediction airborne vehicle 4D flight path according to described sail information, and then improved airborne vehicle 4D flight pathThe degree of accuracy of prediction, has ensured air traffic safety; Further, when default sail information composition rule refers to multiple air routesWhen in section, each air route section is made up of adjacent two way points and the sequence number of this air route section in the section of all air routes, Ke YifangJust, extract successively corresponding air route section according to the sequence number in sail information efficiently, all air routes section extracting is aviationThe floor projection track of device 4D flight path, and then also improved the efficiency of airborne vehicle 4D Trajectory Prediction, further ensure aerial friendshipLogical safety.
Brief description of the drawings
Fig. 1 is the floor projection trajectory predictions method flow schematic diagram of a kind of airborne vehicle 4D flight path provided by the invention;
Fig. 2 is the floor projection trajectory predictions apparatus structure schematic diagram of a kind of airborne vehicle 4D flight path provided by the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the detailed description of the invention of invention is described in further detail. Following examples are used forThe present invention is described, but is not used for limiting the scope of the invention.
Shown in Figure 1, the embodiment of the present invention provides a kind of floor projection trajectory predictions method of airborne vehicle 4D flight path, shouldMethod comprises the following steps:
Navigation indication information in step 101, the basis FPL obtaining is searched corresponding sail information; Wherein, sail information is establishedBe placed in spatial domain database, this spatial domain database root creates according to default sail information composition rule;
In the database of spatial domain, except sail information, also comprise chart data, airport and entering and leaving port point data and detailedLatitude and longitude coordinates, and way point, the point that approaches, distance between leaving the port a little etc. Because spatial domain database is this areaTechnical staff's common practise, the concrete data message that therefore embodiment of the present invention comprises spatial domain database is not retouched in detailState.
Due to rolling up of sail information in the database of spatial domain, more and more number inquire about sail information in the database of spatial domain timeTired, slow, and easily make mistakes, the embodiment of the present invention creates spatial domain database according to default sail information composition rule, canIn the database of spatial domain, inquire about sail information with convenient, fast, bring to the prediction of the floor projection track of airborne vehicle 4D flight pathGreat facility.
In the embodiment of the present invention, default sail information composition rule refers in the section of multiple air routes that each air route section is by adjacent twoWay point and this air route section sequence number composition in the section of all air routes. Default sail information composition rule can be according to practical applicationIn needs arrange, the embodiment of the present invention is not done concrete restriction to default sail information composition rule, as long as can make spatial domainDatabase is convenient, fast in the time of subsequent query sail information.
Sail information comprises air route information and route information, and air route is the aerial channels with certain width, is generally 20KM;Course line refers to the route of airborne vehicle flight, not specified width, which width. In the embodiment of the present invention, establishing air route information is Ri, way point isPj, each way point PjCan be expressed as Pj(xj，yj), according to above-mentioned default sail information composition rule, air route information can representFor Ri＝{Ri(Pj(xj，yj)，Pj+1(xj+1，yj+1), k) }, wherein, i=(1,2 ... n), j=(1,2 ... m), k=(1,2 ... z), for example,Ri＝{R1(P1(x1，y1)，P2(x2，y2)，1)，R2(P2(x2，y2)，P3(x3，y3)，2)...Rn(Pm-1(xm-1，ym-1)，Pm(xm，ym)，z)}。
If route information is Lw, the way point of establishing on course line is Fv, the way point on each course line can be expressed as Fv(xv,yv)，According to above-mentioned default sail information composition rule, route information can be expressed as Lw＝{Lw(Fv(xv，yv)，Fv+1(xv+1，yv+1)，k)}，Wherein, w=(1,2 ... n), v=(1,2 ... m), k=(1,2 ... z), for example,Lw＝{L1(F1(x1，y1)，F2(x2，y2)，1)，L2(F2(x2，y2)，F3(x3，y3)，2)...Ln(Fm-1(xm-1，ym-1)，Fm(xm，ym)，z)}。
In the embodiment of the present invention, suppose that the navigation indication information in FPL is RENOBG212KRB458WXIA461HOK, shouldNavigation indication information represents that airborne vehicle is from a RENOB that leaves the port, and arrives way point KR through air route G212, then through course lineB458 is to way point WXI, then through air route A461 to way point HOK. Arrive way point WXI from way point KR, need through{ B458 (KR, UBTAB, 4) }, { B458 (UBTAB, SJW, 5) }, B458 (SJW, WXI, 6), from way point WXI toReach way point HOK, need through { A461 (WXI, AKOMA, 12) }, { A461 (AKOMA, ZHO, 11) }, A461 (ZHO,OBLIK, 10), { A461 (OBLIK, HOK, 9) }, therefore look in the database of above-mentioned spatial domain according to this navigation indication informationThe sail information of looking for is: { B458 (KR, UBTAB, 4) }, { B458 (UBTAB, SJW, 5) }, B458 (SJW, WXI, 6),{A461(WXI，AKOMA，12)}，{A461(AKOMA，ZHO，11)}，{A461(ZHO，OBLIK，10)}，{A461(OBLIK，HOK，9)}。
Step 102, according to the floor projection track of the above-mentioned sail information prediction airborne vehicle 4D flight path finding out.
Particularly, when above-mentioned default sail information composition rule refers in the section of multiple air routes that each air route section is by adjacent two boatsWhen waypoint and this air route section sequence number in the section of all air routes forms, step 102 is: according to the sequence number in sail information successivelyExtract corresponding air route section, all air routes section extracting is the floor projection track of airborne vehicle 4D flight path, establishes airborne vehicle 4DThe floor projection track of flight path is WP, WP=P1URiULwUPn, wherein U representative merges, and WP is by P1、Ri、LwAnd PnMerging obtains.
Still describe with above-mentioned example, all air routes section extracting successively according to the sequence number in sail information is airborne vehicle 4DThe floor projection track of flight path, i.e. WP={RENOBKRUBTABSJWWXIAKOMAZHOOBLIKHOK}.
In practical application, likely do not receive FPL, do not have FPL just cannot obtain the navigation indication information of airborne vehicle, thisIn situation, can match experience flight path model by integrated track historical data base, according to this experience flight path model prediction boatThe floor projection track of pocket 4D flight path, but now the floor projection track of the airborne vehicle 4D flight path of prediction is inaccurate, therefore existsWhile receiving FPL, start to perform step 101 and step 102, to obtain the floor projection track of airborne vehicle 4D flight path accurately.
The navigation indication information that the navigator that the embodiment of the present invention is obtained by basis plans in report is searched corresponding sail information; ItsMiddle sail information is arranged in the database of spatial domain, and described spatial domain database root creates according to default sail information composition rule; ThenFloor projection track that can Accurate Prediction airborne vehicle 4D flight path according to described sail information, and then improved airborne vehicle 4D flight pathThe degree of accuracy of prediction, has ensured air traffic safety; Further, when default sail information composition rule refers to multiple air routesWhen in section, each air route section is made up of adjacent two way points and the sequence number of this air route section in the section of all air routes, Ke YifangJust, extract successively corresponding air route section according to the sequence number in sail information efficiently, all air routes section extracting is aviationThe floor projection track of device 4D flight path, and then also improved the efficiency of airborne vehicle 4D Trajectory Prediction, further ensure aerial friendshipLogical safety.
Shown in Figure 2, the embodiment of the present invention provides a kind of floor projection trajectory predictions device of airborne vehicle 4D flight path, shouldDevice comprises: search module 21 and prediction module 22;
Search module 21, for searching corresponding sail information according to the navigation indication information of the FPL obtaining; Wherein navigationInformation is arranged in the database of spatial domain, and described spatial domain database root creates according to default sail information composition rule;
Particularly, default sail information composition rule be in the section of multiple air routes each air route section by adjacent two way points and shouldThe sequence number composition of air route section in the section of all air routes.
Prediction module 22, for according to the floor projection rail of searching the sail information prediction airborne vehicle 4D flight path that module 21 searchesMark.
Particularly, when default sail information composition rule refers in the section of multiple air routes that each air route section is by adjacent two way pointsWhen sequence number with this air route section in the section of all air routes forms, prediction module 22 is according to searching the sail information that module 21 finds outIn sequence number extract successively corresponding air route section, all air routes section extracting is the floor projection track of airborne vehicle 4D flight path.
The navigation indication information that the navigator that the embodiment of the present invention is obtained by basis plans in report is searched corresponding sail information; ItsMiddle sail information is arranged in the database of spatial domain, and described spatial domain database root creates according to default sail information composition rule; ThenFloor projection track that can Accurate Prediction airborne vehicle 4D flight path according to described sail information, and then improved airborne vehicle 4D flight pathThe degree of accuracy of prediction, has ensured air traffic safety; Further, when default sail information composition rule refers to multiple air routesWhen in section, each air route section is made up of adjacent two way points and the sequence number of this air route section in the section of all air routes, Ke YifangJust, extract successively corresponding air route section according to the sequence number in sail information efficiently, all air routes section extracting is aviationThe floor projection track of device 4D flight path, and then also improved the efficiency of airborne vehicle 4D Trajectory Prediction, further ensure aerial friendshipLogical safety.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it should be pointed out that for this technologyThe those of ordinary skill in field, not departing under the prerequisite of the technology of the present invention principle, can also make some improvement and changeType, these improve and modification also should be considered as protection scope of the present invention.
Claims (8)
1. a floor projection trajectory predictions method for airborne vehicle 4D flight path, is characterized in that, comprising:
The navigation indication information of planning in report according to the navigator who obtains is searched corresponding sail information; Described sail information is arranged atIn the database of spatial domain, described spatial domain database root creates according to default sail information composition rule;
According to the floor projection track of described sail information prediction airborne vehicle 4D flight path.
2. method according to claim 1, is characterized in that, described default sail information composition rule refers to multipleIn the section of air route, by adjacent two way points and described air route section, the sequence number in the section of all air routes forms each air route section.
3. method according to claim 2, is characterized in that, according to described sail information prediction airborne vehicle 4D flight pathFloor projection track, be specially:
Extract successively corresponding air route section according to the sequence number in described sail information, the water that all air routes section extracting is airborne vehicleFlat projected footprint.
4. according to the method described in claims 1 to 3 any one, it is characterized in that, described sail information comprises air route letterBreath and route information.
5. a floor projection trajectory predictions device for airborne vehicle 4D flight path, is characterized in that, comprising:
Search module, search corresponding sail information for the navigation indication information of planning report according to the navigator who obtains; DescribedSail information is arranged in the database of spatial domain, and described spatial domain database root creates according to default sail information composition rule;
Prediction module, for predicting the floor projection track of airborne vehicle 4D flight path according to described sail information.
6. device according to claim 5, is characterized in that, described default sail information composition rule refers to multipleIn the section of air route, by adjacent two way points and described air route section, the sequence number in the section of all air routes forms each air route section.
7. device according to claim 6, is characterized in that, described prediction module is used for according to described sail informationIn sequence number extract successively corresponding air route section, all air routes section extracting is the floor projection track of airborne vehicle 4D flight path.
8. according to the device described in claim 5 to 7 any one, it is characterized in that, described sail information comprises air route letterBreath and route information.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10228692B2 (en) | 2017-03-27 | 2019-03-12 | Gulfstream Aerospace Corporation | Aircraft flight envelope protection and recovery autopilot |
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| CN101692315A (en) * | 2009-09-25 | 2010-04-07 | 民航总局空管局技术中心 | Method for analyzing high precision 4D flight trajectory of airplane based on real-time radar data |
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| US10228692B2 (en) | 2017-03-27 | 2019-03-12 | Gulfstream Aerospace Corporation | Aircraft flight envelope protection and recovery autopilot |
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Application publication date: 20160525 |