CN101533563B - Method for obtaining 4-dimensional flight path of scheduled flight - Google Patents

Abstract

The invention discloses a method for obtaining the four-dimensional track of a planned flight. The method includes acquiring basic flight data information of a planned flight; obtaining the flight track and flight state characteristic information of the planned flight according to the basic flight data information; obtaining the flight path and flight state characteristic information according to the basic flight data information and flight state characteristic information. The elapsed time of the waypoints passed by the planned flight. The invention can quickly calculate the four-dimensional trajectory of the planned flight, calculate the predicted time when the flight arrives at each waypoint, and provide basic information for air flow forecast and air traffic management.

Description

The method of obtaining the 4D trajectory of the planned flight

technical field

The invention relates to air traffic situation prediction technology, in particular to a method for obtaining a four-dimensional track of a planned flight. the

Background technique

Air traffic situation prediction relies on the description of the four-dimensional trajectory, which is the longitude, latitude, altitude and time of the flight. The four-dimensional track covers the position, altitude and time of key points in the whole process of flight from takeoff, climb, cruise to descent and landing. In the next generation air traffic transportation system, no matter it is the Single European Sky ATM Research (SESAR) in Europe or the Next Generation Air Transportation System (NGATS) in the United States, the trajectory Management is placed at the core, and all behaviors and activities are carried out based on the four-dimensional trajectory. Through the trajectory model and the corresponding plan and dynamic data, the state of the flight at any time can be calculated, and various flow management operating procedures and systems can be developed based on this. the

At present, the daily operation of the air traffic control department in the domestic air transportation system is mainly based on control, and the control work is based on the output of the radar integrated track. By monitoring the radar integrated track, the orientation, speed and safe interval. In the future development, the responsibilities of the air traffic control department in the air traffic transportation system will greatly increase the content of air traffic management. The air traffic situation at the current time, while the control operation focuses on the air traffic situation at the current time. the

The inventor finds that there are at least the following problems in the prior art in the process of realizing the present invention: usually, the air traffic control (Air Traffic Control, ATC) system can only extrapolate the limited flight path of the flight in the air for 30 minutes according to the radar , unable to meet the requirements of management responsibilities. the

Contents of the invention

The invention provides a method for obtaining the four-dimensional track of a planned flight, and solves the problem that the current ATC system cannot meet the management duties. the

For this reason, the present invention provides a kind of method that obtains the four-dimensional track of planned flight, comprising:

Obtain the basic flight data information of the planned flight;

Obtain the flight track and flight status feature information of the planned flight according to the basic flight data information;

According to the flight basic data information and the flight status characteristic information, obtain the transit time of the waypoints passed by the planned flight;

The flight basic data information includes flight route information, departure airport, landing airport, planned take-off time or entry time, and the flight status feature information includes horizontal flight distance in the climbing phase, horizontal flight distance in the descending phase, low-speed flight speed and high-speed flight time. Flight speed, the transit time of the waypoints passed by the planned flight obtained according to the basic flight data information includes:

Obtain the total flight distance according to the flight route information;

According to the total flight distance, the horizontal flight distance of the climbing stage and the horizontal flight distance of the descending stage, the horizontal flight distance of the cruising stage is obtained;

According to the flight route information, the route distance traveled when the planned flight reaches the waypoint is obtained;

According to the horizontal flight distance in the cruising stage, the departure airport, the landing airport, the planned take-off time or the time of entering the country and the route distance, and also according to the horizontal flight distance in the climbing stage, the horizontal flight distance in the descending stage, the low-speed flight speed and the high-speed flight speed At least one, to obtain the elapsed time of the waypoint. the

It can be seen from the above technical solution that the present invention can obtain the four-dimensional track of the planned flight by obtaining the flight track of the planned flight and the passing time of the waypoints passed by the planned flight, which is used for air flow forecasting and air traffic forecasting. Management provides basic information. Using the calculation method described in the present invention only needs a small amount of information such as the model of the planned flight, the time of departure or the time of entering the country, and the route to predict the flight track of the flight, and it is not limited by the prediction time. It can predict the long-term Flight planners can also predict upcoming flight schedules. Provide data basis for future ATFM (Air Traffic Flow Manage, air traffic flow management) and next-generation air traffic transportation system. the

Description of drawings

Fig. 1 is the schematic flow chart of the method of the first embodiment of the present invention;

Fig. 2 is the method schematic flow chart of the second embodiment of the present invention;

Fig. 3 is the schematic flow chart of the method that obtains flight basic data information in the embodiment of the present invention;

Fig. 4 is the schematic flow chart of the method of step 23 in the second embodiment of the present invention;

Fig. 5 is the schematic flow chart of the method of step 24 in the second embodiment of the present invention;

Fig. 6 is the schematic flow sheet of the first embodiment of the method that the present invention obtains past time;

Fig. 7 is the schematic flow sheet of the second embodiment of the method that the present invention obtains past time;

Fig. 8 is the schematic flow chart of the third embodiment of the method that the present invention obtains past time;

FIG. 9 is a schematic flowchart of a fourth embodiment of the method for obtaining elapsed time according to the present invention. the

Detailed ways

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. the

Fig. 1 is the schematic flow chart of the method of the first embodiment of the present invention, comprising:

Step 11: Obtain the basic flight data information of the planned flight. the

Step 12: Obtain the flight track and flight status feature information of the planned flight according to the basic flight data information. the

Step 13: According to the basic data information of the flight and the characteristic information of the flight status, the transit time of the waypoint passed by the planned flight is obtained. the

In this embodiment, the four-dimensional track of the planned flight can be obtained, and basic information can be provided for air flow forecast and air traffic management. The calculation method of this embodiment only needs a small amount of information such as the model of the planned flight, the time of departure or the time of entering the country, and the route to predict the flight track of the flight, and is not limited by the prediction time, and can predict long-term flight plans It can also predict recent flight plans. Provide data basis for future ATFM (Air Traffic Flow Manage, air traffic flow management) and next-generation air traffic transportation system. the

Fig. 2 is the schematic flow chart of the method of the second embodiment of the present invention, and this embodiment first obtains the flight basic data information of planned flight, according to the model in the flight basic data information, obtains and described from the model performance information base The flight status feature information corresponding to the planned flight type, this embodiment includes:

Step 21: Obtain the basic flight data information of the planned flight. the

Flight number FlightId, aircraft type, planned departure time or entry time STime, departure airport Dep, landing airport Arr and flight route information Route. the

Step 22: Read the model performance information database. The model performance information base is an external database, including the flight state characteristic information of each model, and the flight state characteristic information includes model Type, the horizontal flight distance X in the climbing stage, the horizontal flight distance Y in the descending stage, and the low-speed flight speed (in the climbing stage). and the average horizontal flight speed in the descent stage) LS, and the high-speed flight speed (the average horizontal flight speed in the cruising stage) HS. the

Step 23: Obtain the aircraft type of the planned flight according to the basic flight data information, and query the aircraft type performance information database through the aircraft type of the planned flight to obtain flight status characteristic information. the

Specifically, according to the aircraft type in the aircraft type performance information database, determine the flight state characteristic information corresponding to the aircraft type. the

Step 24: According to the basic data information of the flight and the characteristic information of the flight status, the transit time of the waypoint passed by the planned flight is obtained. the

Fig. 3 is the schematic flow chart of the method for obtaining flight basic data information in the embodiment of the present invention, comprising:

Step 31: read flight plan information;

The flight plan information is stored in the flight plan information database, which is an external database. The flight plan information includes basic flight data information and other information such as execution cycle and task type. The basic flight information is the data information extracted from the flight number, aircraft type, departure time or entry time, departure airport, landing airport, and route information fields in the plan library. the

Step 32: extract the flight basic data information in the flight plan information. the

The above basic flight data information includes flight number FlightId, aircraft type, planned departure time (or entry time) STime, departure airport Dep, landing airport Arr and flight route information Route. the

Fig. 4 is the schematic flow chart of the method of step 23 in the second embodiment of the present invention, comprising:

Step 41: Determine the flight path of the planned flight according to the departure airport Dep, landing airport Arr and flight route information Route in the flight basic data information. the

If both the departure airport and the landing airport are domestic airports, the flight will go through the climbing phase, cruising phase and descending phase in the flight phase. the

If the departure airport is a foreign airport and the landing airport is a domestic airport, the flight will go through the cruising phase and the descending phase in the flight phase, that is, X=0;

If the departure airport is a domestic airport and the landing airport is a foreign airport, the flight will go through the climbing phase and the cruising phase in the flight phase, that is, Y=0. the

If both the departure airport and the landing airport are foreign airports, the flight only goes through the cruising stage in the flight stage, that is, X=0, Y=0. the

Through the route information, the flight path of the flight can be simulated by connecting the adjacent waypoints with a straight line. the

Step 42: According to the model type in the basic flight data information, query the flight characteristic data information corresponding to the model in the model performance information database, including the horizontal flight distance X in the climbing stage, the horizontal flight distance Y in the descending stage, and the low-speed flight speed LS (average horizontal flight speed during climb and descent phases), high speed flight speed (average horizontal flight speed during cruise phase) HS. the

The above-mentioned steps 41 and 42 have no time-sequence-restricted relationship. the

Fig. 5 is the schematic flow chart of the method of step 24 in the second embodiment of the present invention, comprising:

其中，d_i为该计划航班经过的第i个航路点与第i-1个航路点之间的距离，N为从飞行航路信息Route中分解出的该计划航班要经过的所有航路点的个数。d_i可以根据每个航路点的经纬度坐标计算出相邻两点间的直线距离，且d₀＝0。  Step 51: Obtain the total flight distance S according to the flight route information Route.

Among them, d _i is the distance between the i-th waypoint and the i-1 waypoint that the planned flight passes through, and N is the number of all waypoints that the planned flight will pass through decomposed from the flight route information Route number. d _i can calculate the straight-line distance between two adjacent points according to the latitude and longitude coordinates of each waypoint, and d ₀ =0.

Step 52: According to the total flight distance S, the horizontal flight distance X in the climbing stage and the horizontal flight distance Y in the descending stage, obtain the horizontal flight distance L in the cruising stage. Wherein, L=S-X-Y. the

Step 53: Obtain the route distance traveled by the planned flight when it reaches the waypoint m according to the flight route information Route

，还根据爬升阶段水平飞行距离X、下降阶段水平飞行距离Y、低速飞行速度LS和高速飞行速度HS中的至少一个，得到所述航路点的过点时间t_m。  Step 54: According to the horizontal flight distance L of the cruising stage, the departure airport Dep, the landing airport Arr, the planned take-off time (or entry time) STime and the route distance

, and also according to at least one of the horizontal flight distance X in the climbing stage, the horizontal flight distance Y in the descending stage, the low-speed flight speed LS and the high-speed flight speed HS, the passing time t _m of the waypoint is obtained.

Fig. 6 is the schematic flow chart of the first embodiment of the method that the present invention obtains past time, comprises:

Step 61: Determine that both the departure airport Dep and the landing airport Arr are domestic airports. the

Step 62: Determine whether the horizontal flight distance L in the cruising stage is greater than 0, if less than or equal to 0, perform step 63; if greater than 0, perform step 64. the

和低速飞行速度LS，得到所述过点时间t_m。计算公式为：  Step 63: According to the planned departure time STime, the route distance

and the low flight speed LS to obtain the passing time t _m . The calculation formula is:

Step 64: Determine the flight stage where the waypoint is located. When the flight stage where the waypoint is located is the climbing stage, execute step 65; when the flight stage where the waypoint is located is the cruising stage, execute step 66; When the flight stage where the waypoint is located is the descending stage, step 67 is executed. the

时，位于爬升阶段；当 

时，位于巡航阶段；当 

时，位于下降阶段。  Specifically, when

, in the climbing phase; when

, in the cruising stage; when

, in the descending stage.

和低速飞行速度LS，得到所述过点时间t_m。计算公式为： 

Step 65: According to the planned departure time STime, the route distance

and the low flight speed LS to obtain the passing time t _m . The calculation formula is:

和高速飞行速度HS，得到所述过点时间t_m，计算公式为： 

Step 66: According to the planned take-off time STime, the horizontal flight distance X during the climb phase, the low-speed flight speed LS, and the route distance

and the high-speed flight speed HS to obtain the passing time t _m , the calculation formula is:

和低速飞行速度LS，得到所述过点时间t_m。计算公式为：  $t_m=\mathrm{STime}+\frac{X}{\mathrm{LS}}+\frac{L}{\mathrm{HS}}+\frac{\underset{i=1}{\overset{m}{\mathrm{\Σ}}}{d}_i-L-X}{\mathrm{LS}}.$ Step 67: According to the planned take-off time STime, the horizontal flight distance X in the climbing stage, the horizontal flight distance L in the cruising stage, the high-speed flight speed HS, and the route distance

and the low flight speed LS to obtain the passing time t _m . The calculation formula is: $t_m=\mathrm{STime}+\frac{x}{\mathrm{LS}}+\frac{L}{\mathrm{HS}}+\frac{\underset{i=1}{\overset{m}{\mathrm{\Σ}}}{d}_i-L-x}{\mathrm{LS}}.$

Fig. 7 is a schematic flow chart of the second embodiment of the method for obtaining the passing time in the present invention, including:

Step 71: Determine that the departure airport Dep is a foreign airport, and the landing airport Arr is a domestic airport. the

At this time, the horizontal flight distance L in the cruising stage must be greater than 0, corresponding to the above-mentioned planned take-off time, which should be the entry time STime in this embodiment. the

Step 72: Determine the flight stage where the waypoint is located. When the flight stage where the waypoint is located is the cruising stage, perform step 73; when the flight stage where the waypoint is located is the descent stage, perform step 74. the

时，位于巡航阶段；当 

时，位于下 降阶段。  Specifically, when

, in the cruising stage; when

, it is in the descending stage.

和高速飞行速度HS，得到所述过点时间t_m。计算公式为： 

Step 73: According to the entry time STime and route distance

and the high-speed flight speed HS to obtain the passing point time t _m . The calculation formula is:

和低速飞行速度LS，得到所述过点时间t_m。计算公式为：  Step 74: According to the planned take-off time STime, the horizontal flight distance L in the cruising stage, the high-speed flight speed HS, and the route distance

and the low flight speed LS to obtain the passing time t _m . The calculation formula is:

Fig. 8 is a schematic flow chart of the third embodiment of the method for obtaining the passing time in the present invention, including:

Step 81: Determine that the departure airport Dep is a domestic airport, and the landing airport Arr is a foreign airport. At this time, the horizontal flight distance L in the cruising stage must be greater than 0, corresponding to the above-mentioned planned take-off time, which should be the entry time STime in this embodiment. the

Step 82: Determine the flight stage where the waypoint is located, and execute step 83 when the flight stage where the waypoint is located is the climbing stage; and execute step 84 when the flight stage where the waypoint is located is the cruising stage. the

时，位于爬升阶段；当 

时，位于巡航阶段。  Specifically, when

, in the climbing phase; when

, it is in the cruising stage.

和低速飞行速度LS，得到所述过点时间t_m。计算公式为： 

Step 83: According to the entry time STime, the route distance

and the low flight speed LS to obtain the passing time t _m . The calculation formula is:

和高速飞行速度HS，得到所述过点 时间t_m，计算公式为： 

Step 84: According to the planned take-off time STime, the horizontal flight distance X during the climb phase, the low-speed flight speed LS, and the route distance

and high-speed flight speed HS to obtain the passing point time t _m , the calculation formula is:

Fig. 9 is a schematic flow chart of the fourth embodiment of the method for obtaining the passing time in the present invention, including:

Step 91: Determine that both the departure airport Dep and the landing airport Arr are foreign airports. At this time, the corresponding planned departure time is the entry time STime. the

和高速飞行速度HS，得到所述过点时间t_m。计算公式为： 

Step 92: According to the entry time STime and route distance

and the high-speed flight speed HS to obtain the passing point time t _m . The calculation formula is:

The embodiment of the present invention predicts the four-dimensional track of the planned flight according to the aircraft type performance information and the flight information, provides a data basis for the customization of the flight plan and the long-term air traffic situation prediction, and ensures certain accuracy. The calculation method of the present invention only needs a small amount of information such as the model of the planned flight, the time of departure or the time of entering the country, and the route to predict the flight track of the flight, and is not limited by the prediction time. It can predict the long-term Flight planners can also predict upcoming flight schedules. Provide data basis for future ATFM (Air Traffic Flow Manage, air traffic flow management) and next-generation air traffic transportation system. the

Those of ordinary skill in the art can understand that all or part of the steps for realizing the above-mentioned method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the It includes the steps of the above method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes. the

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it still Modifications or equivalent replacements can be made to the technical solutions of the present invention, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present invention. the

Claims (8)

1. a method of obtaining 4-dimensional flight path of scheduled flight is characterized in that, comprising:

Obtain the flight master data information of plan flight;

According to said flight master data information, obtain the flight track and the state of flight characteristic information of said plan flight;

According to said flight master data information and state of flight characteristic information, obtain the some time excessively of the way point of said plan flight process;

Said flight master data information comprises flight air route information, original base, landing station, Proposed Departure time or gets into the border time; Said state of flight characteristic information comprises ramp-up period horizontal flight distance, decline stage horizontal flight distance, low-speed operations speed and high-speed flight speed, and the said some time that crosses that obtains the way point of said plan flight process according to said flight master data information comprises:

According to said flight air route information, total distance obtains flying;

According to the total distance of said flight, ramp-up period horizontal flight distance and decline stage horizontal flight distance, obtain cruising phase horizontal flight distance;

According to said flight air route information, the air route distance of process when obtaining said plan flight and reaching said way point;

According to said cruising phase horizontal flight distance, original base, landing station, Proposed Departure time or entering border time and air route distance; Also according in ramp-up period horizontal flight distance, decline stage horizontal flight distance, low-speed operations speed and the high-speed flight speed at least one, what obtain said way point spends the some time.

2. method according to claim 1; It is characterized in that; Also comprise: read type performance information storehouse; Said model-performance information bank comprises the state of flight characteristic information of various types, and said state of flight characteristic information comprises type, ramp-up period horizontal flight distance, decline stage horizontal flight distance, low-speed operations speed and high-speed flight speed.

3. method according to claim 2; It is characterized in that; Said flight master data information comprises type; The said state of flight characteristic information that obtains said plan flight comprises: in said model-performance information bank, confirm the state of flight characteristic information corresponding with said type according to said type.

4. method according to claim 1; It is characterized in that; Said according to said cruising phase horizontal flight distance, original base, landing station, Proposed Departure time or entering border time and air route distance; Also according in ramp-up period horizontal flight distance, decline stage horizontal flight distance, low-speed operations speed and the high-speed flight speed at least one, the some time that crosses that obtains said way point comprises:

When said original base and landing station are the domestic airport, judge that whether said cruising phase horizontal flight distance is greater than 0;

When said cruising phase horizontal flight distance smaller or equal to 0 the time, according to said Proposed Departure time, said air route distance and low-speed operations speed, obtain saidly spending the some time, computing formula is:

Wherein, t _mBe to spend the some time, STime be the Proposed Departure time, Be the air route distance, LS is a low-speed operations speed;

When said cruising phase horizontal flight distance greater than 0 the time, confirm the mission phase at said way point place;

When said cruising phase horizontal flight distance greater than 0, and the mission phase at said way point place is when being ramp-up period, according to said Proposed Departure time, said air route distance and low-speed operations speed, obtains saidly spending the some time, computing formula is:

Wherein, t _mBe to spend the some time, STime be the Proposed Departure time,

Be the air route distance, LS is a low-speed operations speed;

When said cruising phase horizontal flight distance greater than 0; And when the mission phase at said way point place is cruising phase; According to said Proposed Departure time, ramp-up period horizontal flight distance, low-speed operations speed, said air route distance and high-speed flight speed; Obtain the said some time excessively, computing formula is:

Wherein, t _mBe to spend the some time, STime be the Proposed Departure time, Be the air route distance, LS is a low-speed operations speed, and X is a ramp-up period horizontal flight distance, and HS is a high-speed flight speed;

When said cruising phase horizontal flight distance greater than 0; And when the mission phase at said way point place is the decline stage; According to said Proposed Departure time, ramp-up period horizontal flight distance, cruising phase horizontal flight distance, high-speed flight speed, said air route distance and low-speed operations speed; Obtain the said some time excessively, computing formula is:

Wherein, t _mBe to spend the some time, STime be the Proposed Departure time,

Be the air route distance, LS is a low-speed operations speed, and L is a cruising phase horizontal flight distance.

5. method according to claim 1; It is characterized in that; Said according to said cruising phase horizontal flight distance, original base, landing station, Proposed Departure time or entering border time and air route distance; Also according in ramp-up period horizontal flight distance, decline stage horizontal flight distance, low-speed operations speed and the high-speed flight speed at least one, the some time that crosses that obtains said way point comprises:

When said original base is external airport, when landing station is the domestic airport,

Confirm the mission phase at said way point place;

When the mission phase at said way point place is cruising phase, according to said entering border time, air route distance and high-speed flight speed, obtain the said some time excessively, computing formula is:

Wherein, t _mBe to spend the some time, STime for get into the border time,

Be the air route distance, HS is a high-speed flight speed;

When the mission phase at said way point place is the decline stage, according to said entering border time, cruising phase horizontal flight distance, high-speed flight speed, said air route distance and low-speed operations speed, obtain the said some time excessively, computing formula is:

Wherein, t _mBe to spend the some time, STime for get into the border time,

Be the air route distance, HS is a high-speed flight speed, and L is a cruising phase horizontal flight distance, and LS is a low-speed operations speed.

6. method according to claim 1; It is characterized in that; Said according to said cruising phase horizontal flight distance, original base, landing station, Proposed Departure time or entering border time and air route distance; Also according in ramp-up period horizontal flight distance, decline stage horizontal flight distance, low-speed operations speed and the high-speed flight speed at least one, the some time that crosses that obtains said way point comprises:

When said original base is the domestic airport, when landing station is external airport,

Confirm the mission phase at said way point place;

When the mission phase at said way point place is ramp-up period, according to said Proposed Departure time, said air route distance and low-speed operations speed, obtain the said some time excessively, computing formula is:

Wherein, t _mBe to spend the some time, STime be the Proposed Departure time,

Be the air route distance, LS is a low-speed operations speed;

When the mission phase at said way point place is cruising phase, according to said Proposed Departure time, ramp-up period horizontal flight distance, low-speed operations speed, said air route distance and high-speed flight speed, obtain the said some time excessively, computing formula is:

Wherein, t _mBe to spend the some time, STime be the Proposed Departure time,

Be the air route distance, HS is a high-speed flight speed, and X is a ramp-up period horizontal flight distance, and LS is a low-speed operations speed.

7. method according to claim 1; It is characterized in that; Said according to said cruising phase horizontal flight distance, original base, landing station, Proposed Departure time or entering border time and air route distance; Also according in ramp-up period horizontal flight distance, decline stage horizontal flight distance, low-speed operations speed and the high-speed flight speed at least one, the some time that crosses that obtains said way point comprises:

When said original base and landing station are external airport, according to said entering border time, air route distance and high-speed flight speed, obtain saidly spending the some time, computing formula is:

Wherein, t _mBe to spend the some time, STime for get into the border time, Be the air route distance, HS is a high-speed flight speed.

8. method according to claim 1; It is characterized in that; Said flight master data information comprises original base, landing station and flight air route information, and the said flight track that obtains said plan flight according to said flight master data information comprises: the flight track of confirming said plan flight according to said original base information, landing station information and flight air route information.

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