Method and device for determining flight plan of flight

Abstract

The present invention discloses a method and device for determining a flight plan. The method for determining a flight plan includes: calculating the route flight time T1 required for an aircraft to fly from the departure airport to the destination airport, obtaining the weather condition of the destination airport after time T1. If the weather condition of the destination airport after time T1 meets the aircraft landing conditions, then determine that the aircraft executes flight plan one. Otherwise, predict the weather condition within the time period T2 after time T1. If the weather condition within the time period T2 meets the aircraft landing conditions, then determine that the aircraft executes flight plan three. Otherwise, obtain the predicted time T3 when the weather condition of the destination airport meets the aircraft landing conditions. If the predicted time T3 is greater than or equal to the preset flight time, the aircraft takeoff is delayed. Otherwise, determine whether to select to execute flight plan two. The present invention makes the determination of the flight plan more scientific.

Description

Technical Field

[0001] The present invention relates to the technical field of flight plan determination for flights, and particularly to a method and device for determining a flight plan for a flight. Background Art

[0002] Weather factors are one of the main factors affecting aircraft navigation. In the existing flight plan for a flight, the aircraft takes off from the departure airport after the weather conditions at the target airport meet the landing conditions. However, the weather at the target airport is variable. In the prior art, the acquisition of weather prediction data at the airport is not sufficient. For example, inaccurate weather forecast information or sudden weather changes may cause the aircraft to be unable to land normally and can only go to an alternate airport, which affects the flight plan, affects the travel arrangements of passengers, and will also cause the aircraft to consume more fuel.

[0003] In addition, when the weather at the target airport affects the landing of the aircraft, only weather factors are considered in the existing flight plan, the satisfaction of aircraft passengers is not considered, and even more, the satisfaction of passengers and the fuel economy of the aircraft are not comprehensively considered, which affects the satisfaction of passengers with the flight and cannot balance the passenger experience and fuel economy.

[0004] Therefore, in view of the above problems, it is very necessary to provide a method for determining a flight plan for a flight. Summary of the Invention

[0005] The purpose of the present invention is to provide a method and device for determining a flight plan for a flight in view of the technical defects existing in the prior art.

[0006] On the one hand, the present invention provides a method for determining a flight plan for a flight, including:

[0007] Calculating the route flight time T1 required for the aircraft to fly from the departure airport to the target airport at takeoff, obtaining the weather conditions at the target airport after time T1. If the weather conditions at the target airport after time T1 meet the aircraft landing conditions, then determining that the aircraft executes flight plan one; otherwise, predicting the weather conditions within time period T2 after time T1. If the weather conditions within time period T2 meet the aircraft landing conditions, then determining that the aircraft executes flight plan three; otherwise, obtaining the predicted time T3 when the weather conditions at the target airport meet the aircraft landing conditions. If the predicted time T3 is greater than or equal to the preset flight time, then the aircraft takeoff is delayed; otherwise, determining whether to select to execute flight plan two;

[0008] Wherein, the flight plan one is that the aircraft flies directly from the departure airport to the target airport for landing; the flight plan two is that the aircraft takes off from the departure airport, lands at a transit airport, and then takes off from the transit airport to the target airport for landing; the flight plan three is that the aircraft takes off from the departure airport, circles over the target airport or circles in the flight route, and finally lands at the target airport.

[0009] Among them, the weather conditions during the time period T2 meet the aircraft landing conditions, including that the weather conditions at a certain time point during the time period T2 meet the aircraft landing conditions.

[0010] In one way, the time period T2 is determined according to the satisfaction of the passengers on the aircraft under Flight Plan Three; the satisfaction of the passengers on the aircraft under Flight Plan Three is calculated by weighted synthesis based on the waiting satisfaction at the departure airport and the satisfaction during the flight.

[0011] In another way, the time period T2 is determined according to the satisfaction of the passengers on the aircraft under Flight Plan Three and the fuel consumption of the aircraft during circling when implementing Flight Plan Three; the satisfaction of the passengers on the aircraft under Flight Plan Three is calculated by weighted synthesis based on the waiting satisfaction at the departure airport and the satisfaction during the flight.

[0012] Among them, the calculation of the fuel consumption of the aircraft during circling includes the steps of:

[0013] Determine that the fuel filling amount of the aircraft when implementing Flight Plan One is L1;

[0014] Determine that the fuel filling amount of the aircraft when implementing Flight Plan Three is L2;

[0015] Let the fuel consumption of the aircraft during circling be L3, then L3 = L2 - L1.

[0016] In one way, if the aircraft cannot land during the time period T2, choose to implement Flight Plan Four, choose to fly over the target airport without landing and then fly to the alternate airport, or fly to a predetermined point between the two airports, land, and then fly to the alternate airport.

[0017] In one way, determine whether to choose to implement Flight Plan Two according to the satisfaction of the passengers on the aircraft under Flight Plan Two and the increase in fuel consumption, including:

[0018] Calculate the judgment value J according to the judgment function J = A1×P - A2×L, and determine whether to implement Flight Calculation Two according to the judgment value J, where P is the satisfaction of the passengers on the aircraft under Flight Plan Two, L is the increase in fuel consumption compared with Flight Plan One under Flight Plan Two, and A1 and A2 are the corresponding weight coefficients.

[0019] Among them, the satisfaction P of the passengers on the aircraft under Flight Plan Two is calculated by weighted synthesis based on the waiting satisfaction at the departure airport, the waiting satisfaction at the transfer airport, the satisfaction during the flight from the departure airport to the transfer airport, and the satisfaction during the flight from the transfer airport to the target airport; the calculation formula is as follows:

[0020] P = B1×P1 + B2×P2 + B3×P3 + B4×P4, where P1 is the waiting satisfaction at the departure airport, P2 is the waiting satisfaction at the transfer airport, P3 is the satisfaction from the departure airport to the transfer airport during flight, P4 is the satisfaction from the transfer airport to the destination airport during flight, and B1, B2, B3, and B4 are the corresponding weight coefficients.

[0021] Among them, when choosing to execute Flight Plan 2, it is necessary to calculate and determine the aircraft fuel filling amount L4. The aircraft fuel filling amount L4 is the increased fuel consumption L from the departure airport to the transfer airport, and it is decided whether to fill fuel for the aircraft according to the determined aircraft fuel filling amount L4.

[0022] Among them, the method for obtaining the weather conditions of the destination airport is to determine the aircraft flying within a certain range of the destination airport; the weather conditions of the airport are predicted using the meteorological data obtained by the meteorological prediction equipment at the destination airport and the meteorological prediction equipment carried by the aircraft flying within a certain range of the airport.

[0023] On the other hand, the present invention provides a device for determining a flight plan of a flight, including:

[0024] An airport weather prediction unit for obtaining destination airport weather prediction information;

[0025] A flight plan determination unit for determining a flight plan according to the obtained destination airport weather prediction information by the following steps:

[0026] Calculate the route flight time T1 required for the aircraft to fly from the departure airport to the destination airport at takeoff, and obtain the weather conditions of the destination airport after time T1. If the weather conditions of the destination airport after time T1 meet the aircraft landing conditions, then determine that the aircraft executes Flight Plan 1; otherwise, predict the weather conditions within the time period T2 after time T1. If the weather conditions within the time period T2 meet the aircraft landing conditions, then determine that the aircraft executes Flight Plan 3; otherwise, obtain the predicted time T3 when the weather conditions of the destination airport meet the aircraft landing conditions. If the predicted time T3 is greater than or equal to the preset flight time, then the aircraft takeoff is delayed; otherwise, determine whether to choose to execute Flight Plan 2;

[0027] Among them, Flight Plan 1 is that the aircraft flies directly from the departure airport to the destination airport for landing; Flight Plan 2 is that the aircraft takes off from the departure airport, lands at the transfer airport, and then takes off from the transfer airport to the destination airport for landing; Flight Plan 3 is that the aircraft takes off from the departure airport, circles over the destination airport or in the flight route, and finally lands at the destination airport.

[0028] The method and device for determining a flight plan of the present invention determine that if the weather condition at the target airport after time T1 does not meet the aircraft landing condition, then predict the weather condition within the time period T2 after time T1. If the weather condition within the time period T2 after time T1 meets the aircraft landing condition, then determine that the aircraft executes flight plan three and circles in the air to achieve navigation. Since the flight circling plan for the time period T2 is added, the aircraft can choose to land within the time period T2. If it cannot land within the time period T2, it can then fly to an alternate airport, which increases the operability.

[0029] The method for determining a flight plan of the present invention takes into account the factor of the satisfaction of aircraft passengers, improving the satisfaction of passengers. At the same time, by comprehensively considering the satisfaction of aircraft passengers and the fuel consumption of aircraft circling, the satisfaction of passengers and fuel economy are balanced, making the determination of the flight plan more scientific and reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of a flight scenario of a flight aircraft provided by an embodiment of the present invention.

[0031] Figure 2 is a flowchart of a method for determining a flight plan of a flight provided by an embodiment of the present invention.

[0032] Figure 3 is a schematic diagram of a device for determining a flight plan of a flight provided by an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0034] In the description of the embodiments of the present invention, an airport can be understood as any location and place that satisfies the takeoff and landing of an aircraft. An aircraft includes, but is not limited to, civil aircraft, military aircraft, and other manned aircraft.

[0035] Figure 1 is a schematic diagram of an aircraft flight scenario provided by an embodiment of the present application. Refer to Figure 1 As shown, the aircraft has a predetermined flight plan one: the aircraft flies directly from the departure airport to the target airport for landing; flight plan two: the aircraft takes off from the departure airport, lands at a transit airport, and then takes off from the transit airport to the target airport for landing; flight plan three: the aircraft takes off from the departure airport, flies over the target airport or circles in the flight route, and lands after circling for a period of time (not shown in the figure); flight plan four: the aircraft takes off from the departure airport, flies over the target airport without landing or flies to point A between the two airports, and then flies to an alternate airport.

[0036] First, in an ideal situation, it is expected by passengers and airlines that the aircraft executes Flight Plan 1 and flies directly from the departure airport to the destination airport for landing. However, it takes a certain amount of time for the aircraft to fly from the departure airport to the destination airport. There is also a situation where after a certain period of time, the destination airport does not meet the landing conditions due to weather reasons, while the transit airport meets the conditions for landing from the departure airport to the transit airport. At this time, Flight Plan 2 can be executed. The aircraft takes off from the departure airport, lands at the transit airport, stays for a period of time, and then takes off from the transit airport to the destination airport for landing. And due to the variability and uncertainty of weather conditions, it takes a certain amount of time for the aircraft to fly from the departure airport to the destination airport. There is also a situation where after a certain period of time, the destination airport does not meet the landing conditions due to weather conditions. At this time, the aircraft can execute Flight Plan 3 or Flight Plan 4.

[0037] Weather factors are one of the important factors affecting aircraft flight. In the prior art, when the destination airport does not meet the landing conditions, the aircraft is delayed at the departure airport. After the weather conditions at the destination airport meet the landing conditions, the aircraft takes off. However, due to the passengers waiting at the departure airport for a long time, the satisfaction of passengers during the flight is reduced. The present application invents a method for determining a flight plan to improve the satisfaction of passengers during the flight, which will be described below.

[0038] Figure 2 It is a flowchart of the flight plan determination method provided by an embodiment of the present invention. Refer to Figure 2 As shown, a flight plan determination method provided by an embodiment of the present invention includes:

[0039] Calculate the flight time T1 of the route from the departure airport to the destination airport when the aircraft takes off, and obtain the weather conditions at the destination airport after T1 time. If the weather conditions at the destination airport after T1 time meet the landing conditions of the aircraft, the aircraft executes Flight Plan 1; if the weather conditions at the destination airport after T1 time do not meet the landing conditions of the aircraft, predict the weather conditions within the time period T2 after T1 time. If the weather conditions within the time period T2 after T1 time meet the landing conditions of the aircraft, the aircraft executes Flight Plan 3; if the weather conditions within the time period T2 after T1 time do not meet the landing conditions of the aircraft, obtain the predicted time T3 when the weather conditions at the destination airport meet the landing conditions of the aircraft. If the predicted time T3 is greater than the preset flight time, the aircraft takeoff is delayed; if the predicted time T3 is not greater than the preset flight time, determine whether to select to execute Flight Plan 2.

[0040] In one implementation, the time period T2 is determined according to the satisfaction of airplane passengers under flight plan three, and the satisfaction includes but is not limited to being determined based on user surveys and / or big data fitting. As the waiting time of airplane passengers increases, the satisfaction continuously decreases. In the case where the weather conditions at the target airport do not meet the airplane landing conditions after time T1, the airplane still takes off from the departure airport. Although the airplane's circling consumes fuel and reduces the fuel economy of the airplane, the emotions of passengers during waiting at the airport and during flight are different. Thus, it is beneficial to improve the satisfaction of passengers. Among them, the satisfaction of airplane passengers under flight plan three includes the waiting satisfaction of passengers at the departure airport and the satisfaction during airplane flight. Long waiting times will affect the passengers' riding experience, and similarly, long airplane flight times will also affect the passengers' riding experience, and the subjective experiences of the two are different. Therefore, using the waiting satisfaction of passengers at the departure airport and the satisfaction during airplane flight can more accurately represent the satisfaction of airplane passengers.

[0041] In another implementation, the time period T2 is determined according to the satisfaction of airplane passengers under flight plan three and the fuel consumption L3 of airplane circling. The fuel consumption L3 of airplane circling is the fuel consumption during circling over the target airport or during the flight route in flight plan three; among them, the satisfaction of airplane passengers under flight plan three includes the waiting satisfaction of passengers at the departure airport and the satisfaction during airplane flight; the satisfaction function of airplane passengers includes but is not limited to being determined based on user surveys and / or big data fitting. As the waiting time of airplane passengers increases, the satisfaction continuously decreases. In the case where the weather conditions at the target airport do not meet the airplane landing conditions after time T1, the airplane still takes off from the departure airport. If the airplane circles for too long, it will inevitably lead to a significant increase in fuel costs, and the satisfaction of passengers during the airplane's circling and waiting will also decrease. Therefore, in this implementation, the time period T2 is preferably determined according to the satisfaction of airplane passengers and the fuel consumption L3 of airplane circling, taking into account both the satisfaction of airplane passengers and the economy of airplane flight, and comprehensively determining the time period T2 by combining the satisfaction of airplane passengers and flight economy.

[0042] In one implementation, the calculation of the fuel consumption of airplane circling includes the steps:

[0043] First, determine that the fuel filling amount of the airplane when executing flight plan one is L1, and then determine that the fuel filling amount of the airplane when executing flight plan three is L2; let the fuel consumption of airplane circling be L3, then L3 = L2 - L1.

[0044] Among them, the calculation of the fuel filling amounts L1 and L2 of the airplane is prior art and is calculated based on mileage, load, airplane parameters, etc., and will not be elaborated here.

[0045] Although the takeoff time of the aircraft can be set according to the time when the target airport meets the landing conditions, the weather conditions at some airports are changeable and there are situations where the forecasts are inaccurate, resulting in the aircraft being unable to land normally at the target airport within the time period T2. In case of such a situation, the aircraft goes to an alternate airport. That is, the aircraft lands selectively within the time period T2, either flying over the target airport without landing or landing at point A between the two airports and then flying to the alternate airport, which increases the operability.

[0046] Furthermore, based on the passenger satisfaction and the increase in fuel consumption of the aircraft under Flight Plan 2, it is determined whether to execute Flight Plan 2. The judgment function formula J = A1×P - A2×L is used for judgment, where P is the passenger satisfaction of the aircraft under Flight Plan 2, L is the increase in fuel consumption of Flight Plan 2 compared with Flight Plan 1, and A1 and A2 are the corresponding weight coefficients.

[0047] In one implementation, for the passenger satisfaction P of the aircraft under Flight Plan 2, the waiting satisfaction at the departure airport, the waiting satisfaction at the transfer airport, the satisfaction from the departure airport to the transfer airport, and the satisfaction from the transfer airport to the target airport are considered. P = B1×P1 + B2×P2 + B3×P3 + B4×P4, where P1 is the waiting satisfaction at the departure airport, P2 is the waiting satisfaction at the transfer airport, P3 is the satisfaction from the departure airport to the transfer airport, P4 is the satisfaction from the transfer airport to the target airport, and B1, B2, B3, and B4 are the corresponding weight coefficients.

[0048] If the judgment value J calculated by the judgment function is greater than or equal to the set value, then Flight Plan 2 is executed, that is, the aircraft takes off from the departure airport, lands at the transfer airport, and then takes off from the transfer airport and lands at the target airport. If the judgment value J calculated by the judgment function is less than the set value, the takeoff of the aircraft is delayed.

[0049] In one implementation, when choosing to execute Flight Plan 2, it is necessary to calculate and determine the aircraft fuel filling amount L4. The aircraft fuel filling amount L4 is the increase in fuel consumption L from the departure airport to the transfer airport, and whether to refuel the aircraft is determined based on the determined aircraft fuel filling amount L4.

[0050] In one implementation, when choosing Flight Plan 2, based on the predicted time T3, the time T4 for the aircraft to fly from the departure airport to the transfer airport, and the time T5 for the aircraft to fly from the transfer airport to the target airport, the waiting time at the departure airport and the waiting time at the transfer airport are allocated to improve the passenger satisfaction of the aircraft.

[0051] In addition, in the prior art, the acquisition of weather prediction data for the target airport is insufficient. For the weather prediction in the above embodiments, the airplanes flying within the predetermined range of the target airport are determined. Based on the weather prediction equipment at the target airport, the weather prediction equipment carried by the airplanes flying within the predetermined range of the target airport is determined. The weather data obtained by the weather prediction equipment at the target airport and the weather prediction equipment carried by the airplanes flying within the predetermined range of the target airport is used to predict the weather conditions at the target airport, so as to improve the accuracy of the basic weather prediction at the target airport.

[0052] Among them, the predetermined range is dynamically adjusted. The radius of the predetermined range is adjusted according to the weather conditions at the airport. The weather conditions are divided into different levels according to the severity of the weather. The higher the level, the worse the weather. As the level increases, the radius of the predetermined range gradually increases. Thus, while ensuring the accuracy of the airport weather prediction, the data processing volume is reduced.

[0053] Figure 3 is a schematic diagram of the flight plan determination device provided by an embodiment of the present invention. Refer to Figure 3 As shown, another aspect of the flight plan determination device provided by the embodiment of the present invention includes: an airport weather prediction unit for obtaining weather prediction information of the target airport; a flight plan determination unit for determining a flight plan according to the obtained weather prediction information of the target airport according to the following steps: calculating the route flight time T1 from the departure airport to the target airport when the airplane takes off, obtaining the weather conditions at the target airport after the time T1. If the weather conditions at the target airport after the time T1 meet the airplane landing conditions, the airplane executes flight plan one; if the weather conditions at the target airport after the time T1 do not meet the airplane landing conditions, predict the weather conditions within the time period T2 after the time T1. If the weather conditions within the time period T2 after the time T1 meet the airplane landing conditions, the airplane executes flight plan three; if the weather conditions within the time period T2 after the time T1 do not meet the airplane landing conditions, obtain the predicted time T3 when the weather conditions at the target airport meet the airplane landing conditions. If the predicted time T3 is greater than the preset flight time, the airplane takeoff is delayed; if the predicted time T3 is not greater than the preset flight time, determine whether to select to execute flight plan two;

[0054] Among them, flight plan one is that the airplane flies directly from the departure airport to the target airport for landing. Flight plan two is that the airplane takes off from the departure airport, lands at a transit airport, and then takes off from the transit airport to the target airport for landing; flight plan three is that the airplane takes off from the departure airport, circles over the target airport or in the flight route, and finally lands at the target airport.

[0055] Specifically, for the flight plan determination device of this embodiment, for the technology of flight plan determination, please refer to the technology of the flight plan determination method in the foregoing embodiments of the present invention, which will not be elaborated herein.

[0056] As described above, this is only the specific implementation manner of the present application. However, the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present application, and all of them should be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claimed rights.

[0057] In the specification provided herein, a large number of specific details are set forth. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some instances, well-known methods, structures, and technologies have not been shown in detail so as not to obscure the understanding of this specification.

[0058] Similarly, it should be understood that, in order to streamline the present application and assist in understanding one or more of the various inventive aspects, in the foregoing description of the exemplary embodiments of the present application, the various features of the present application are sometimes grouped together into a single embodiment, figure, or description thereof. However, the disclosed method should not be construed as reflecting an intention that the claimed subject matter of the present application requires more features than are expressly recited in each claim. Rather, as the claims reflect, the inventive aspects lie in less than all of the features of the single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of the present application.

[0059] Those skilled in the art can understand that the modules in the devices in the embodiments can be adaptively changed and disposed in one or more devices different from the embodiments. The modules or units or components in the embodiments can be combined into one module or unit or component, and in addition, they can be divided into multiple sub-modules or sub-units or sub-components. Except that at least some of such features and / or processes or units are mutually exclusive, any combination can be adopted for all the features disclosed in this specification (including the accompanying claims, abstract, and drawings) and all the processes or units of any method or device so disclosed. Unless otherwise expressly stated, each feature disclosed in this specification (including the accompanying claims, abstract, and drawings) can be replaced by an alternative feature that provides the same, equivalent, or similar purpose.

[0060] In addition, those skilled in the art can understand that, although some of the embodiments described herein include certain features included in other embodiments but not other features, the combination of the features of different embodiments means that it is within the scope of the present application and forms different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

Claims

1. A method for determining a flight plan of a flight, characterized in that Including the steps: Calculate the route flight time T1 required for the aircraft to fly from the departure airport to the destination airport at takeoff, and obtain the weather conditions at the destination airport after time T1. If the weather conditions at the destination airport after time T1 meet the aircraft landing conditions, determine that the aircraft executes Flight Plan 1; otherwise, predict the weather conditions within the time period T2 after time T1. If the weather conditions within the time period T2 meet the aircraft landing conditions, determine that the aircraft executes Flight Plan 3; otherwise, obtain the predicted time T3 when the weather conditions at the destination airport meet the aircraft landing conditions. If the predicted time T3 is greater than or equal to the preset flight time, the aircraft takeoff is delayed; otherwise, determine whether to choose to execute Flight Plan 2. Among them, Flight Plan 1 is that the aircraft flies directly from the departure airport to the destination airport for landing; Flight Plan 2 is that the aircraft takes off from the departure airport, lands at a transit airport, and then takes off from the transit airport to the destination airport for landing; Flight Plan 3 is that the aircraft takes off from the departure airport, flies over the destination airport or circles in the flight route, and finally lands at the destination airport.

2. The method for determining a flight plan according to claim 1, wherein The time period T2 is determined according to the satisfaction of the disembarked passengers under Flight Plan 3, and the satisfaction of the disembarked passengers under Flight Plan 3 is comprehensively calculated based on the waiting satisfaction of the passengers at the departure airport and the flight satisfaction of the aircraft.

3. The method for determining a flight plan of a flight according to claim 1, wherein The time period T2 is determined according to the satisfaction of the disembarked passengers under Flight Plan 3 and the fuel consumption of the aircraft during circling when executing Flight Plan 3; the satisfaction of the disembarked passengers under Flight Plan 3 is comprehensively calculated based on the waiting satisfaction of the passengers at the departure airport and the flight satisfaction of the aircraft.

4. The method for determining a flight plan according to claim 3, wherein The calculation of the fuel consumption of the aircraft during circling includes the steps: Determine that the fuel filling amount of the aircraft when executing Flight Plan 1 is L1; Determine that the fuel filling amount of the aircraft when executing Flight Plan 3 is L2; Let the fuel consumption of the aircraft during circling be L3, then L3 = L2 - L1.

5. The method for determining a flight plan of a flight according to claim 1, wherein If the aircraft cannot land within the time period T2 and chooses to execute Flight Plan 4, then choose to fly over the destination airport without landing and fly to the alternate airport, or fly to a predetermined point between the two airports for landing and then fly to the alternate airport.

6. The method for determining a flight plan of a flight according to claim 1, wherein Determine whether to choose to execute Flight Plan 2 according to the satisfaction of the disembarked passengers under Flight Plan 2 and the increase in fuel consumption, including: Calculate the judgment value J according to the judgment function J = A1×P - A2×L. If the judgment value J is greater than or equal to the set judgment threshold, choose to execute Flight Plan 2; otherwise, do not execute Flight Plan 2 and the aircraft takeoff is delayed; where P is the satisfaction of the disembarked passengers under Flight Plan 2, L is the increase in fuel consumption of Flight Plan 2 relative to Flight Plan 1, and A1 and A2 are the corresponding weight coefficients.

7. The method for determining a flight plan according to claim 6, wherein The satisfaction of the disembarked passengers under Flight Plan 2 is weighted and comprehensively calculated based on the waiting satisfaction at the departure airport, the waiting satisfaction at the transit airport, the flight satisfaction from the departure airport to the transit airport, and the flight satisfaction from the transit airport to the destination airport; the calculation formula is as follows: P = B1×P1 + B2×P2 + B3×P3 + B4×P4, where P1 is the waiting satisfaction at the departure airport, P2 is the waiting satisfaction at the transit airport, P3 is the satisfaction from the departure airport to the transit airport during flight, P4 is the satisfaction from the transit airport to the destination airport during flight, and B1, B2, B3, and B4 are the corresponding weight coefficients.

8. The method for determining a flight plan of a flight according to claim 1, wherein When choosing to execute Flight Plan 2, it is necessary to calculate and determine the aircraft fuel filling volume L4. The aircraft fuel filling volume L4 is the increased fuel consumption L from the departure airport to the transit airport, and it is decided whether to fill fuel for the aircraft according to the determined aircraft fuel filling volume L4.

9. The method for determining a flight plan according to claim 1, wherein The method for obtaining the weather conditions of the destination airport is to determine the aircraft flying within a certain range of the destination airport; the weather data obtained by using the meteorological prediction equipment at the destination airport and the meteorological prediction equipment carried by the aircraft flying within a certain range of the airport is used to predict the airport weather conditions.

10. An aircraft flight plan determination device, characterized in that, Including: An airport weather prediction unit for obtaining destination airport weather prediction information; A flight plan determination unit for determining a flight plan according to the obtained destination airport weather prediction information in the following steps: Calculate the route flight time T1 required for the aircraft to fly from the departure airport to the destination airport at takeoff, obtain the weather conditions of the destination airport after time T1. If the weather conditions of the destination airport after time T1 meet the aircraft landing conditions, then determine that the aircraft executes Flight Plan 1; otherwise, predict the weather conditions within the time period T2 after time T1. If the weather conditions within the time period T2 meet the aircraft landing conditions, then determine that the aircraft executes Flight Plan 3; otherwise, obtain the predicted time T3 when the weather conditions of the destination airport meet the aircraft landing conditions. If the predicted time T3 is greater than or equal to the preset flight time, the aircraft takeoff is delayed; otherwise, it is judged whether to choose to execute Flight Plan 2. Among them, Flight Plan 1 is that the aircraft flies directly from the departure airport to the destination airport for landing; Flight Plan 2 is that the aircraft takes off from the departure airport, lands at the transit airport, and then takes off from the transit airport to the destination airport for landing; Flight Plan 3 is that the aircraft takes off from the departure airport, circles over the destination airport or in the flight route, and finally lands at the destination airport.

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