CN118212818A - Airborne auxiliary landing management system based on XR technology - Google Patents
Airborne auxiliary landing management system based on XR technology Download PDFInfo
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Abstract
The invention belongs to the technical field of airborne auxiliary landing management, and particularly discloses an airborne auxiliary landing management system based on an XR technology, which comprises the following components: by analyzing the runway environment in real time before the aircraft lands, evaluating the landing recommendation index, determining whether to execute landing operation, the problem that a pilot makes an accurate landing decision in a complex or dangerous environment is solved; the method comprises the steps of monitoring the state of an aircraft in real time in a landing stage and a flat-floating taxiing stage, providing timely correction prompts when deviation data appear, simultaneously evaluating the execution precision of correction operation of the aircraft in an optimal correction period when the deviation data appear, and executing airborne auxiliary correction operation when a pilot does not obtain timely correction of the deviation data in the optimal correction period; and through statistics of the execution effect data of the flight process, the navigational skill achievement of the pilot is evaluated, and references are provided for training and improvement of the pilot.
Description
Technical Field
The invention belongs to the technical field of airborne auxiliary landing management, and relates to an airborne auxiliary landing management system based on an XR technology.
Background
With the rapid development of aviation technology and the continuous increase of global aviation traffic, flight safety has become one of the most interesting core problems in the aviation industry, especially in the aircraft landing stage, pilots face great challenges in the landing process due to unpredictable factors such as meteorological conditions. Conventional drop management systems rely primarily on pilot visual judgment and manual operation, but under complex conditions, the accuracy and efficiency of this approach is often severely compromised. Thus, there is a need for an advanced on-board auxiliary drop management system to address these challenges.
On the one hand, the prior art has insufficient evaluation of landing decisions on runway environments before landing, particularly in complex or dangerous environments, pilots often rely on own experience and intuition to make landing decisions, and lack scientific and systematic evaluation tools, and the manner of relying on subjective judgment increases the risk of landing operation, so that landing safety is difficult to ensure.
On the other hand, the prior art has imperfect functions of real-time monitoring and correction prompt of the state of the aircraft in the landing stage, and lacks an evaluation mechanism aiming at the optimal correction period when the aircraft deviates from the data, so that a pilot may miss the optimal opportunity when correcting the deviation, and the hidden trouble that the flight data cannot be regulated in time is increased.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the background art, an airborne auxiliary landing management system based on XR technology is now proposed.
The aim of the invention can be achieved by the following technical scheme: the invention provides an XR technology-based airborne auxiliary landing management system, which comprises: drop data determination module: the method is used for extracting the landing path and the target buffer runway of the airplane at the pre-landing airport from the approach procedure and determining the estimated duration of the airplane landing stage.
Safety analysis module in pre-landing stage: the landing recommendation index of the aircraft at the pre-landing airport is analyzed, whether a landing operation is performed is determined, and when it is determined that the landing operation is not performed, a landing preparation plan is recommended.
Landing stage deviation state monitoring and prompting module: when the aircraft executes landing operation, the method is used for extracting all operation data of the aircraft in a landing stage in real time, acquiring all preset position heights of the aircraft in the landing stage, acquiring the height range of each position height and the height range of the next adjacent position height by taking the designated height distance as the height range between each position height, and monitoring the operation state of the aircraft in the landing stage corresponding to the height range of each position height to execute the disengagement degreeAcquiring a preset running state execution disengagement threshold value of a landing stageWhen (when)When the pilot falls down, the pilot is prompted to execute the operation data correction operation by designating the optimal correction period,The number of the height of the position is given,。
Landing stage deviation state correction module: for obtaining the correction completion coefficient of the aircraft in the appointed optimal correction period, if the correction completion coefficient is smaller than or equal to 0, the operation data correction operation reaches the standard, and the correction operation execution precision of the pilot corresponding to the appointed optimal correction period in the landing stage is recorded asAnd otherwise, performing airborne auxiliary correction.
And the key parameter correction module in the flat-floating sliding stage: for obtaining each sub-section of the flat-fly taxiing stage, monitoring each offset data of each sub-section of the plane in the flat-fly taxiing stage, and analyzing the running state execution release degree of the plane in each sub-section of the flat-fly taxiing stage，For the number of the sub-section,Further, the disengagement correction prompting and auxiliary operation are performed.
And an execution process evaluation module: the method is used for counting the execution effect data of the aircraft in the flight process, evaluating the sailing skill achievement index of the pilot in the landing execution process, and evaluating the pilot landing execution operation level according to the sailing skill achievement index.
Specifically, the method for determining the expected duration of the airplane landing stage comprises the following steps: acquiring the advancing direction of an aircraft landing path, extracting the wind direction of an environment area to which the landing path belongs, and comparing to obtain the crosswind angle of the aircraft landing path。
Extracting preset conventional average landing speed of airplaneDetermining an actual speed of travel of an aircraft landing in a current wind directionWherein180 Degrees.
Extracting flight distance of landing pathDetermining the estimated duration of the aircraft landing phase。
Specifically, the determining whether to execute the landing operation content includes: detecting various environmental indexes of the parking apron in the expected duration of the airplane landing stage, and analyzing the landing recommended index of the airplane at the pre-landing airportAcquiring a preset recommended index threshold corresponding to the lowest landing standardWhen (when)And when the landing operation is not executed, further determining a landing preparation plan, wherein the landing preparation plan comprises modification of a landing airport and suspension waiting of an air disc.
When (when)When it is determined to perform the drop operation.
Specifically, the mode of recommending the backup and descent plan is as follows: And counting preset adjacent airports of the pre-landing airports, acquiring landing recommended indexes of the airplane at the adjacent airports, and screening out the airports suitable for landing.
Obtaining the flight distance from the pre-landing airport to each suitable landing airport, screening the minimum flight distance from the flight distance, marking the suitable landing airport to which the aircraft belongs as the spare landing airport, and extracting the flight distance。
Extracting average travel speed of aircraftEstimating the estimated time period for an aircraft to travel from a current pre-descent airport to a standby airport。
And recording the estimated time length from the current pre-landing airport to the standby landing airport as the standby landing time length, and dividing each sub-time period in the standby landing time length.
Estimating landing recommendation indexes of airplanes in each sub-time period in the standby period，Is the number of the sub-time period,。
Comparing the landing recommendation indexes of the airplanes in each sub-time period in the standby period with the recommended index threshold corresponding to the lowest landing standard, if the landing recommendation index of the airplanes in a certain sub-time period in the standby period is greater than or equal to the recommended index threshold corresponding to the lowest landing standard, recommending that the standby plan is an air-in-air disk suspension waiting, and executing the landing operation in the sub-time period.
If the landing recommended index of each sub-time period of the aircraft in the standby period is smaller than the recommended index threshold corresponding to the lowest landing standard, recommending the standby plan as a modified landing airport, and taking the standby airport as the modified landing airport.
Specifically, the monitoring the running state execution release degree content of the aircraft in the landing stage corresponding to the height range of each position includes: and acquiring the proper descending speed and proper diving attitude data of the preset airplane in the height range of the height of each position in the descending stage, and extracting the descending speed and diving attitude data of the airplane in the height range of the height of each position in the descending stage in real time.
Obtaining descending speed difference amplitude of aircraft in height range corresponding to each position height in landing stageAnd the magnitude of the difference in the dive attitude data。
Analyzing the running state of the aircraft in the height range corresponding to the height of each position in the landing stage to execute the degree of disengagementAnd comparing the running state execution departure degree threshold value with the preset running state execution departure degree threshold value of the landing stage in real time, if the running state execution departure degree of the aircraft in the height range to which the height of a certain position belongs in the landing stage exceeds the preset running state execution departure degree threshold value of the landing stage at a certain moment, marking the moment as a marking moment, carrying out departure degree correction prompt at the marking moment, and enabling e to be a natural constant.
Specifically, the specific extraction method of the correction completion coefficient of the aircraft in the appointed optimal correction period comprises the following steps: the marking time is taken as the initial time of the designated optimal correction period.
Extracting the degree of deviation of the running state execution of the aircraft detected at the corresponding termination time of the specified optimal correction periodObtaining the correction completion coefficient of the aircraft in the appointed optimal correction period。
Specifically, the specific content of the implementation of the airborne auxiliary correction is as follows: when (when)In the case of landing, the correction operation execution precision of the pilot corresponding to the specified optimal correction period is recorded as。
And extracting each piece of operation data of the aircraft at the corresponding termination time of the appointed optimal correction period and the position height of the aircraft, comparing the operation data with the corresponding proper operation data in the height range of the corresponding position height, and screening each piece of unfinished data.
And acquiring auxiliary correction values of all the incomplete data of the aircraft, which are designated to be at the optimal correction period and correspond to the termination time in the landing stage, and carrying out auxiliary correction on all the incomplete data according to the auxiliary correction values.
Specifically, the analyzing the running state execution release degree content of the aircraft in each sub-section of the flat-fly taxiing stage includes: extracting the distances between the front end roller positions corresponding to the initial positions and the final positions of all sub-sections of the airplane in the flat-floating sliding stage and the design center line of the target buffer runway, and respectively recording the distances as、Which are compared with each other,For the number of the sub-section,。
Extracting angles between the rear end roller structure outline corresponding to the termination position of each sub-section of the airplane in the flat-floating sliding stage and the design center line of the target buffer runway。
If it isToThe sliding deflection angle of each sub-section of the plane in the flat-floating sliding stage is provided.
If it isAcquiring the off-line of the rear end roller of each sub-section of the plane in the flat-floating sliding stage, comparing the off-line with the design center line of the target buffer runway, and obtaining the sliding deflection angle of each sub-section of the plane in the flat-floating sliding stage。
Extracting the buffer speed of each sub-section in the flat-floating taxiing stage, and obtaining the taxiing speed dissimilarity ratio of each sub-section in the flat-floating taxiing stage。
Analyzing the running state execution separation degree of the aircraft in each sub-period of the flat-fly taxiing stageWhereinFor aircraft in the plane-drift taxiing stageThe glide bias angle of the sub-road segment,And presetting a reference value for the sliding deflection angle.
Specifically, the executing the disengagement correction prompting and auxiliary operation includes: and J1, acquiring a preset optimal correction period to which a sub-period corresponding to the flat-floating sliding stage belongs.
And J2, identifying the marked road section, and acquiring the initial time of the preset optimal correction period to which the corresponding termination position of the marked road section in the flat-floating sliding stage belongs.
And J3, counting each marked road section in the plane drifting sliding stage of the aircraft, and executing operation data correction operation in the preset optimal correction period to which the corresponding termination position of each marked road section in the plane drifting sliding stage belongs.
J4, obtaining correction operation execution precision of preset optimal correction time periods to which the corresponding termination positions of all marked road sections of the pilot belong in the flat-floating sliding stage，In order to mark the number of the road segment,。
Specifically, the content of the evaluation of the pilot landing execution operation level is as follows: counting each marking time in the aircraft landing stage, and extracting the running state execution disengagement degree detected by each marking timeCorrection operation execution accuracy of specified optimal correction period to which pilot belongs corresponding to each marking time at landing stage，For the purpose of marking the number of the moment,。
Counting running state execution departure degree of aircraft in each marked road section in flat-fly taxiing stage。
Evaluating pilot landing performance achievement indexWhereinFor the number of marking times,To mark the number of road segments.
And matching the navigation skill achievement index in the pilot landing execution process with each preset operation level grade to obtain the operation level grade of the pilot landing execution process.
Compared with the prior art, the invention has the following beneficial effects: (1) According to the invention, the runway environment is analyzed in real time before the aircraft lands, the landing recommendation index is evaluated, whether landing operation is executed or not is determined, the problem that a pilot makes an accurate landing decision in a complex or dangerous environment is solved, and the landing safety is increased.
(2) According to the invention, the state of the aircraft is monitored in real time in the landing stage and the flat-floating taxiing stage, timely correction prompts are provided when deviation data appear, meanwhile, the execution precision of correction operation of the aircraft in the optimal correction period when the deviation data appear is evaluated, and when the deviation data are not corrected timely by a pilot in the optimal correction period, airborne auxiliary correction operation is executed, so that the workload of the pilot is reduced, and the hidden danger that flight data cannot be regulated timely is reduced.
(3) According to the invention, the navigation skill achievement of the pilot is evaluated by counting the execution effect data of the flight process, so that references are provided for training and improving the pilot, the pilot is helped to know the performance of the pilot in the landing process, and the overall flight skill is improved.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the system module connection of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides an XR technology-based airborne assisted landing management system, comprising: the system comprises a landing data determining module, a pre-landing stage safety analysis module, a landing stage deviation state monitoring and prompting module, a landing stage deviation state correcting module, a flat-floating sliding stage key parameter correcting module and an execution process evaluating module.
The landing data determining module is connected with the pre-landing stage safety analysis module, the pre-landing stage safety analysis module is connected with the landing stage deviation state monitoring prompt module, the landing stage deviation state monitoring prompt module is connected with the landing stage deviation state correcting module, the landing stage deviation state correcting module is connected with the flat-floating sliding stage key parameter correcting module, and the flat-floating sliding stage key parameter correcting module is connected with the executing process evaluating module.
The landing data determining module is used for extracting a landing path and a target buffer runway of the airplane at the pre-landing airport from an approach program and determining the expected duration of the airplane landing stage.
Specifically, the whole process from the beginning of the descent of the aircraft to the preset near-ground altitude position is classified as a descent phase, and the descent path of the descent phase is the descent path.
In a specific embodiment of the present invention, the method for determining the estimated duration of the landing stage of the aircraft includes: acquiring the advancing direction of the landing path of the airplane from the approach program, extracting the wind direction of the environment area of the landing path from the flight data recorder, comparing the advancing direction of the landing path of the airplane with the wind direction of the environment area of the landing path to obtain the crosswind angle of the landing path of the airplane。
Extracting preset conventional average landing speed of airplaneDetermining an actual speed of travel of an aircraft landing in a current wind directionWherein180 Degrees.
Extracting flight distance of landing pathDetermining the estimated duration of the aircraft landing phase。
The pre-landing stage safety analysis module is used for analyzing landing recommended indexes of the airplane at the pre-landing airport before the airplane performs landing operation, determining whether to perform the landing operation, and recommending a landing preparation plan when determining that the landing operation is not performed.
In a specific embodiment of the present invention, the determining whether to execute the landing operation includes: detecting various environmental indexes of an apron in the estimated duration of an aircraft landing stage through a sensorThe environmental data comprise air visibility, cloud bottom height, wind speed and the like, and the landing recommendation index of the aircraft at the pre-landing airport is analyzedWhereinRepresenting preset NoThe item environment parameter corresponds to the lowest standard indicator,Is the number of the environmental index, and the number of the environmental index is the number of the environmental index,Acquiring a preset recommended index threshold corresponding to the lowest landing standardWhen (when)And when the landing operation is not executed, further determining a landing preparation plan, wherein the landing preparation plan comprises modification of a landing airport and suspension waiting of an air disc.
When (when)When it is determined to perform the drop operation.
In another embodiment of the present invention, the recommended backup plan is as follows: and counting preset adjacent airports of the pre-landing airport, acquiring landing recommended indexes of the airplane at the adjacent airports according to a landing recommended index analysis mode of the airplane at the pre-landing airport, screening out the adjacent airports with landing recommended indexes exceeding the threshold value of the recommended indexes corresponding to the lowest landing standard, and marking the adjacent airports as the suitable landing airports.
Obtaining the flight distance from the pre-landing airport to each suitable landing airport, screening the minimum flight distance from the flight distance, marking the suitable landing airport to which the aircraft belongs as the spare landing airport, and extracting the flight distance。
Extracting aircraft average travel speed from flight data recorderEstimating the estimated time period for an aircraft to travel from a current pre-descent airport to a standby airport。
And recording the estimated time length of the airplane from the current pre-landing airport to the standby landing airport as the standby landing time length, and equally dividing the standby landing time length by taking the estimated time length of the airplane landing stage as the interval time length to obtain each sub-time period in the standby landing time length.
Extracting environmental indexes of each sub-time period of the pre-landing airport in the spare landing time period, and evaluating the landing recommended index of the aircraft in each sub-time period in the spare landing time period according to the landing recommended index analysis mode of the aircraft in the pre-landing airport in a similar manner，Is the number of the sub-time period,。
Comparing the landing recommendation indexes of the airplanes in each sub-time period in the standby period with the recommended index threshold corresponding to the lowest landing standard, if the landing recommendation index of the airplanes in a certain sub-time period in the standby period is greater than or equal to the recommended index threshold corresponding to the lowest landing standard, recommending that the standby plan is an air-in-air disk suspension waiting, and executing the landing operation in the sub-time period.
If the landing recommended index of each sub-time period of the aircraft in the standby period is smaller than the recommended index threshold corresponding to the lowest landing standard, recommending the standby plan as a modified landing airport, and taking the standby airport as the modified landing airport.
According to the invention, the runway environment is analyzed in real time before the aircraft lands, the landing recommendation index is evaluated, whether landing operation is executed or not is determined, the problem that a pilot makes an accurate landing decision in a complex or dangerous environment is solved, and the landing safety is increased.
The landing stage deviation state monitoring and prompting module is used for extracting all operation data of the aircraft in a landing stage in real time when the aircraft executes landing operation, wherein the all operation data comprise a descending speed and a diving gesture data, acquiring all preset position heights of the aircraft in the landing stage, acquiring the height range of each position height and the height range of the next adjacent position height according to a specified height distance, and monitoring the operation state execution deviation degree of the aircraft in the height range of the corresponding position height in the landing stageAcquiring a preset running state execution disengagement threshold value of a landing stageWhen (when)When the pilot falls down, the pilot is prompted to execute the operation data correction operation by designating the optimal correction period,The number of the height of the position is given,。
In a specific embodiment of the present invention, the monitoring the operation state of the aircraft in the height range to which the altitude of each position belongs in the landing stage includes: obtaining proper descending speed of preset airplane in the height range corresponding to each position height in the descending stageAnd suitable diving attitude data, wherein the diving attitude data comprise pitch angle, roll angle and yaw angle, and the descending speed of the aircraft in the height range corresponding to the height of each position in the descending stage is extracted from the flight data recorder in real timeAnd dive attitude data.
Obtaining the difference ratio between the descending rate of the aircraft in the height range corresponding to the height of each position in the landing stage and the proper descending rate of the preset height range corresponding to the height of each position, and recording as the descending rate difference amplitude of the height range corresponding to the height of each position in the landing stage。
The difference amplitude of pitch angle, roll angle and yaw angle of the nose-down attitude data of the aircraft in the height range of the height of each position in the landing stage is obtained by the same method, and the difference amplitude of the nose-down attitude data of the aircraft in the height range of the height of each position in the landing stage is obtained by means of average calculation。
Analyzing the running state of the aircraft in the height range corresponding to the height of each position in the landing stage to execute the degree of disengagementAnd comparing the running state execution disengagement degree of the aircraft in the height range corresponding to the height of each position in the landing stage with a preset running state execution disengagement degree threshold value in the landing stage in real time, and if the running state execution disengagement degree of the aircraft in the height range corresponding to the height of a certain position in the landing stage exceeds the preset running state execution disengagement degree threshold value in the landing stage at a certain moment, marking the moment as a marking moment, carrying out disengagement degree correction prompt at the marking moment, wherein e is a natural constant.
The landing stage deviation state correction module is used for acquiring a correction completion coefficient of the aircraft in the appointed optimal correction period, if the correction completion coefficient of the aircraft in the appointed optimal correction period is smaller than or equal to 0, the operation data correction operation reaches the standard, and meanwhile, the correction operation execution precision of the pilot corresponding to the appointed optimal correction period in the landing stage is recorded as，And otherwise, performing airborne auxiliary correction.
In the specific embodiment of the invention, the specific extraction method of the correction completion coefficient of the aircraft in the appointed optimal correction period comprises the following steps: the marking time is taken as the initial time of the designated optimal correction period.
Extracting the degree of deviation of the running state execution of the aircraft detected at the corresponding termination time of the specified optimal correction periodObtaining the correction completion coefficient of the aircraft in the appointed optimal correction period。
In another embodiment of the present invention, the performing airborne auxiliary rectification specifically includes: when (when)When the correction completion coefficient of the aircraft in the appointed optimal correction period does not reach the standard, marking the execution precision of the correction operation corresponding to the appointed optimal correction period in the landing stage of the pilot as，。
And extracting each piece of operation data of the aircraft at the corresponding termination time of the appointed optimal correction period and the position height of the aircraft, comparing the operation data with the corresponding proper operation data in the height range of the corresponding position height, screening out each piece of operation data exceeding the proper operation data, and recording the operation data as each piece of unfinished data.
And acquiring a difference value between each piece of incomplete data of the aircraft at the corresponding termination time of the appointed optimal correction period and the corresponding proper operation data, and recording the difference value as an auxiliary correction value of each piece of incomplete data of the aircraft at the corresponding termination time of the appointed optimal correction period in the landing stage, and performing auxiliary correction on each piece of incomplete data according to the auxiliary correction value.
The key parameter correction module is used for dividing distance road sections in the flat-floating sliding stage to obtain sub road sections in the flat-floating sliding stage, monitoring deviation data of the aircraft in the sub road sections in the flat-floating sliding stage, wherein the deviation data comprise sliding deviation angles and sliding speed dissimilarity rates, and analyzing running state execution degree of the aircraft in the sub road sections in the flat-floating sliding stage，For the number of the sub-section,Further, the disengagement degree correction prompt and auxiliary operation are executed, and the correction operation execution precision of the pilot in the flat-floating sliding stage is further obtained.
The plane-drifting taxiing stage refers to a running stage of the aircraft from a preset ground-near altitude position to a taxiing stop position, and each sub-road section of the plane-drifting taxiing stage is specifically a corresponding initial road section of each speed change road section preset in the plane-drifting taxiing stage, namely a running road section in a preset speed change period when the buffer speed of the aircraft is changed from one range value to the other range value.
In a specific embodiment of the present invention, the analyzing the content of the degree of separation performed by the running state of the aircraft in each sub-section of the flat-fly taxiing stage includes: extracting the distances between the front end roller positions corresponding to the initial positions and the final positions of all sub-sections of the airplane in the flat-floating sliding stage and the design center line of the target buffer runway, and respectively recording the distances as、Which are compared with each other,For the number of the sub-section,。
Extracting angles between the rear end roller structure outline corresponding to the termination position of each sub-section of the airplane in the flat-floating sliding stage and the design center line of the target buffer runway。
If it isToThe sliding deflection angle of each sub-section of the plane in the flat-floating sliding stage is provided.
If it isAcquiring the off-line of the rear end roller of each sub-section of the plane in the flat-floating sliding stage, comparing the off-line with the design center line of the target buffer runway, and obtaining the sliding deflection angle of each sub-section of the plane in the flat-floating sliding stage。
Extracting buffer speed of each sub-section of flat-floating sliding stage from flight data recorderAcquiring a preset proper buffer speed of the corresponding sub-road sectionThe difference ratio between the two is recorded as the variation rate of the taxiing speed of each sub-section of the plane in the flat-fly taxiing stage。
Analyzing the running state execution separation degree of the aircraft in each sub-period of the flat-fly taxiing stageWhereinFor aircraft in the plane-drift taxiing stageThe glide bias angle of the sub-road segment,And presetting a reference value for the sliding deflection angle.
In another embodiment of the present invention, the performing the disengagement correction prompting and auxiliary operation includes: and J1, acquiring a preset optimal correction period to which a sub-period corresponding to the flat-floating sliding stage belongs.
And J2, comparing the running state execution departure degree of the aircraft in each sub-section of the flat-floating taxiing stage with a preset running state execution departure degree threshold value of the flat-floating taxiing stage, when the running state execution departure degree of the aircraft in a certain sub-section of the flat-floating taxiing stage exceeds the preset running state execution departure degree threshold value of the flat-floating taxiing stage, marking the sub-section as a marked section, acquiring the running time of the aircraft reaching the corresponding end position of the marked section from a flight data recorder, and marking the running time as the initial time of the preset optimal correction period to which the corresponding end position of the marked section in the flat-floating taxiing stage belongs.
And J3, counting each marked road section in the plane drifting sliding stage of the aircraft, and executing the operation data correction operation according to the content mode of executing the operation data correction operation by the pilot in the optimum correction period specified in the landing stage, wherein the operation data correction operation is executed in the preset optimum correction period to which the corresponding termination position of each marked road section in the plane drifting sliding stage belongs.
J4, according to the correction operation execution precision acquisition mode of the pilot corresponding to the appointed optimal correction period in the landing stage, the correction operation execution precision of the preset optimal correction period of the corresponding termination position of each marked road section of the pilot in the flat-floating sliding stage is acquired in the same way，In order to mark the number of the road segment,。
According to the invention, the state of the aircraft is monitored in real time in the landing stage and the flat-floating taxiing stage, timely correction prompts are provided when deviation data appear, meanwhile, the execution precision of correction operation of the aircraft in the optimal correction period when the deviation data appear is evaluated, and when the deviation data are not corrected timely by a pilot in the optimal correction period, airborne auxiliary correction operation is executed, so that the workload of the pilot is reduced, and the hidden danger that flight data cannot be regulated timely is reduced.
The execution process evaluation module is used for counting the execution effect data of the aircraft in the flight process, the execution effect data comprises the execution departure degree of the running state detected by each marking moment, the correction operation execution precision of the appointed optimal correction period to which the pilot belongs in the landing stage corresponding to each marking moment, the execution departure degree of the running state of the aircraft in each sub-section of the flat-fly sliding stage and the correction operation execution precision of the preset optimal correction period to which the corresponding termination position of each marking section of the pilot belongs in the flat-fly sliding stage, and the navigation skill achievement standard index in the pilot landing execution process is evaluated, so that the pilot landing execution operation level is evaluated.
In a specific embodiment of the present invention, the content of the evaluation of the pilot landing execution operation level is as follows: counting each marking time in the aircraft landing stage, and extracting the running state execution disengagement degree detected by each marking timeCounting correction operation execution precision of appointed optimal correction period of pilot corresponding to each marking moment in landing stage，For the purpose of marking the number of the moment,。
Screening out the running state execution separation degree of the aircraft in each marked road section in the flat-fly taxiing stage from the running state execution separation degree of the aircraft in each sub-period in the flat-fly taxiing stageObtaining correction operation execution precision of preset optimal correction time period to which each marked road section corresponds to a termination position in a flat-floating sliding stage of a pilot。
Evaluating pilot landing performance achievement indexWhereinFor the number of marking times,To mark the number of road segments.
And matching the navigation skill achievement index in the pilot landing execution process with each preset operation level grade to obtain the operation level grade of the pilot landing execution process.
According to the invention, the navigation skill achievement of the pilot is evaluated by counting the execution effect data of the flight process, so that references are provided for training and improving the pilot, the pilot is helped to know the performance of the pilot in the landing process, and the overall flight skill is improved.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (10)
1. An XR technology based airborne assisted landing management system, the system comprising:
drop data determination module: the method comprises the steps of extracting a landing path and a target buffer runway of an airplane in a pre-landing airport from an approach program, and determining the expected duration of the airplane landing stage;
safety analysis module in pre-landing stage: the landing recommendation index is used for analyzing landing recommendation indexes of the aircraft at the pre-landing airport, determining whether to execute landing operation, and recommending a landing preparation plan when determining that the landing operation is not executed;
Landing stage deviation state monitoring and prompting module: when the aircraft executes landing operation, the method is used for extracting all operation data of the aircraft in a landing stage in real time, acquiring all preset position heights of the aircraft in the landing stage, acquiring the height range of each position height and the height range of the next adjacent position height by taking the designated height distance as the height range between each position height, and monitoring the operation state of the aircraft in the landing stage corresponding to the height range of each position height to execute the disengagement degree Acquiring a preset running state execution departure degree threshold/>, of a landing stageWhen/>When the method is used, a departure degree correction prompt is carried out to prompt a pilot to execute operation data correction operation by designating the optimal correction period in the landing stage, and the method comprises the following steps of/>Numbering of position height,/>；
Landing stage deviation state correction module: for obtaining the correction completion coefficient of the aircraft in the appointed optimal correction period, if the correction completion coefficient is smaller than or equal to 0, the operation data correction operation reaches the standard, and the correction operation execution precision of the pilot corresponding to the appointed optimal correction period in the landing stage is recorded asOtherwise, executing airborne auxiliary correction;
And the key parameter correction module in the flat-floating sliding stage: for obtaining each sub-section of the flat-fly taxiing stage, monitoring each offset data of each sub-section of the plane in the flat-fly taxiing stage, and analyzing the running state execution release degree of the plane in each sub-section of the flat-fly taxiing stage ，/>For the number of sub-sections,/>Further, the disengagement degree correction prompt and auxiliary operation are executed;
and an execution process evaluation module: the method is used for counting the execution effect data of the aircraft in the flight process, evaluating the sailing skill achievement index of the pilot in the landing execution process, and evaluating the pilot landing execution operation level according to the sailing skill achievement index.
2. The XR technology-based airborne assisted landing management system of claim 1, wherein the method for determining the estimated duration of the landing phase of the aircraft is:
Acquiring the advancing direction of an aircraft landing path, extracting the wind direction of an environment area to which the landing path belongs, and comparing to obtain the crosswind angle of the aircraft landing path ；
Extracting preset conventional average landing speed of airplaneDetermining the actual travel speed/>, of an aircraft landing in a current wind direction stateWherein/>180 Degrees;
Extracting flight distance of landing path Determining the estimated duration/>, of the aircraft landing phase。
3. The XR technology based airborne assisted drop management system of claim 1, wherein the determining whether to perform the drop operation comprises:
Detecting various environmental indexes of the parking apron in the expected duration of the airplane landing stage, and analyzing the landing recommended index of the airplane at the pre-landing airport Acquiring a preset recommended index threshold/>, corresponding to the lowest landing standardWhen/>When the landing operation is not executed, a landing preparation plan is further determined, and the landing preparation plan comprises modification of a landing airport and suspension waiting of an air disc;
When (when) When it is determined to perform the drop operation.
4. The XR technology based airborne assisted drop management system of claim 3, wherein the recommended drop plan is provided by:
Counting preset adjacent airports of the pre-landing airport, acquiring landing recommended indexes of the airplane at the adjacent airports, and screening out the airports suitable for landing;
Obtaining the flight distance from the pre-landing airport to each suitable landing airport, screening the minimum flight distance from the flight distance, marking the suitable landing airport to which the aircraft belongs as the spare landing airport, and extracting the flight distance ；
Extracting average travel speed of aircraftEstimating the estimated time period for an aircraft to travel from a current pre-descent airport to a standby airport；
Recording the estimated time length of the airplane from the current pre-landing airport to the standby landing airport as the standby landing time length, and dividing each sub-time period in the standby landing time length;
Estimating landing recommendation index/>, of each sub-period of aircraft in the standby period ，/>Is the number of the sub-time period,；
Comparing the landing recommendation indexes of the airplanes in each sub-time period in the standby period with the recommendation index threshold corresponding to the lowest landing standard, if the landing recommendation index of the airplanes in a certain sub-time period in the standby period is greater than or equal to the recommendation index threshold corresponding to the lowest landing standard, recommending that the standby plan is an air disk suspension waiting, and executing landing operation in the sub-time period;
If the landing recommended index of each sub-time period of the aircraft in the standby period is smaller than the recommended index threshold corresponding to the lowest landing standard, recommending the standby plan as a modified landing airport, and taking the standby airport as the modified landing airport.
5. The XR technology based airborne assisted landing management system of claim 1, wherein monitoring the operational status of the aircraft during the landing phase for each range of position altitudes comprises:
Acquiring proper descending speed and proper diving attitude data of a preset airplane in a height range corresponding to the height of each position in a descending stage, and extracting the descending speed and diving attitude data of the airplane in the height range corresponding to the height of each position in the descending stage in real time;
Obtaining descending speed difference amplitude of aircraft in height range corresponding to each position height in landing stage And the dive attitude data difference amplitude/>；
Analyzing the running state of the aircraft in the height range corresponding to the height of each position in the landing stage to execute the degree of disengagementAnd comparing the running state execution departure degree threshold value with the preset running state execution departure degree threshold value of the landing stage in real time, if the running state execution departure degree of the aircraft in the height range to which the height of a certain position belongs in the landing stage exceeds the preset running state execution departure degree threshold value of the landing stage at a certain moment, marking the moment as a marking moment, carrying out departure degree correction prompt at the marking moment, and enabling e to be a natural constant.
6. The XR technology-based airborne auxiliary landing management system of claim 5, wherein the correction completion factor specific extraction method of the aircraft in the specified optimal correction period is as follows:
taking the marking time as the initial time of the appointed optimal correction period;
extracting the degree of deviation of the running state execution of the aircraft detected at the corresponding termination time of the specified optimal correction period Obtaining the correction completion coefficient/>, of the aircraft in the appointed optimal correction period。
7. The XR technology-based airborne assisted drop management system of claim 6, wherein the performing airborne assisted corrections is specifically:
When (when) When the pilot falls, the execution precision of the correction operation corresponding to the appointed optimal correction period is recorded as/>；
Extracting each piece of operation data of the aircraft at the corresponding termination time of the appointed optimal correction period and the position height of the aircraft, comparing the operation data with the corresponding proper operation data in the height range of the corresponding position height, and screening each piece of unfinished data;
and acquiring auxiliary correction values of all the incomplete data of the aircraft, which are designated to be at the optimal correction period and correspond to the termination time in the landing stage, and carrying out auxiliary correction on all the incomplete data according to the auxiliary correction values.
8. The XR technology based airborne assisted landing management system of claim 1, wherein analyzing the operational status execution decoupling content of the aircraft during each sub-section of the fly-flat phase comprises:
Extracting the distances between the front end roller positions corresponding to the initial positions and the final positions of all sub-sections of the airplane in the flat-floating sliding stage and the design center line of the target buffer runway, and respectively recording the distances as 、/>Comparing them with each other,/>For the number of the sub-section,；
Extracting angles between the rear end roller structure outline corresponding to the termination position of each sub-section of the airplane in the flat-floating sliding stage and the design center line of the target buffer runway；
If it isTo/>The sliding deflection angles of all sub-sections of the airplane in the flat-floating sliding stage are used for the airplane;
If it is Acquiring the off-line of the rear end roller of each sub-section of the plane in the flat-floating sliding stage, comparing the off-line with the design center line of the target buffer runway, and obtaining the sliding deflection angle/>；
Extracting the buffer speed of each sub-section in the flat-floating taxiing stage, and obtaining the taxiing speed dissimilarity ratio of each sub-section in the flat-floating taxiing stage；
Analyzing the running state execution separation degree of the aircraft in each sub-period of the flat-fly taxiing stageWherein/>For aircraft in the flat-fly taxiing stage/>The sliding deflection angle of sub-road section,/>And presetting a reference value for the sliding deflection angle.
9. The XR technology based airborne assisted drop management system of claim 1, wherein the performing the disengagement correction prompting and assistance operations comprises:
j1, acquiring a preset optimal correction period to which a sub-period corresponding to a flat-floating sliding stage belongs;
J2, identifying the marked road section, and acquiring the initial time of a preset optimal correction period to which the corresponding termination position of the marked road section in the flat-floating sliding stage belongs;
J3, counting each marked road section in the plane drifting sliding stage of the aircraft, and executing operation data correction operation in a preset optimal correction period to which the corresponding termination position of each marked road section in the plane drifting sliding stage belongs;
j4, obtaining correction operation execution precision of preset optimal correction time periods to which the corresponding termination positions of all marked road sections of the pilot belong in the flat-floating sliding stage ，/>For marking the number of road sections,/>。
10. The XR technology based airborne auxiliary landing management system of claim 9, wherein the evaluation of pilot landing performance level is as follows:
counting each marking time in the aircraft landing stage, and extracting the running state execution disengagement degree detected by each marking time Correction operation execution accuracy of specified optimal correction period to which pilot belongs corresponding to each marking time at landing stage，/>For marking time numbering,/>；
Counting running state execution departure degree of aircraft in each marked road section in flat-fly taxiing stage；
Evaluating pilot landing performance achievement indexWherein/>For marking the number of times,/>For marking the number of road segments;
And matching the navigation skill achievement index in the pilot landing execution process with each preset operation level grade to obtain the operation level grade of the pilot landing execution process.
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