CN114613196A - Method for analyzing delay of same flight by multiple flow management strategies - Google Patents
Method for analyzing delay of same flight by multiple flow management strategies Download PDFInfo
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Abstract
The invention discloses a method for analyzing delay of the same flight by multiple flow management strategies, which comprises the following steps: step one, constructing a flight delay analysis ring, and putting all flow management strategies suffered by a flight into the flight delay analysis ring; step two, utilizing the subsection rotation of a delay analysis pointer in a flight delay analysis ring to analyze the influence of each flow management strategy on flight delay; and step three, determining the final influence of the traffic management strategy on the flight delay according to the influence weight. The invention realizes the delay analysis of the same flight by multiple flow management strategies through a flight delay analysis ring, and can calculate the actual delay influence duration of each flow management strategy on the flight.
Description
Technical Field
The invention belongs to the technical field of aviation traffic control, and particularly relates to a method for analyzing delay of the same flight by using multiple flow management strategies.
Background
The cross-border cooperative release (CMCP) strategy is a ground waiting strategy that an air traffic control unit issuing a cross-border strategy allocates a takeoff time slot (CTOT) for a restricted flight at an airport in flight according to the restriction of the downstream unit transmission.
The implementation of the cross-border CMCP strategy is a process of cooperation between air traffic control and an airline company, common scene data is shared among all participants by using flight plan dynamic information from a cross-border flow management system, and the efficiency of the cooperation process is greatly improved. The CDM-based cross-border CMCP strategy can stimulate the airline companies to update the state of the flight, and realize information sharing and collaborative decision-making between the airline management side and the airline companies.
The difficulty of cross-border collaborative release (CMCP) core algorithms is in the handling of multiple constraints. Both the european EUROCONTROL and the traffic management policy algorithm of the FAA are developed based on a single traffic management policy, and it is impossible to simultaneously handle the situation that one flight receives simultaneous influence of a plurality of traffic management policies. When the Europe and the America face complex conditions, the traffic management strategy with small influence is neglected in an operation mechanism mode, the traffic management strategy with the maximum influence is determined for each flight, and the calculation of the takeoff time slot CTOT is only based on the traffic management strategy with the maximum influence. Although the problem is solved to a certain extent by an operation mechanism in the methods in europe and america, for cross-country traffic management, multiple countries do not have a central traffic management unit to determine which traffic management strategy is the main strategy, so that the problem that one flight receives multiple traffic management strategies cannot be fundamentally solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for analyzing delay of the same flight by using a multiple flow management strategy.
The invention is realized by the following technical scheme:
a method for analyzing delay of the same flight by multiple traffic management strategies comprises the following steps:
the method comprises the following steps: constructing a flight delay analysis ring, and putting all flow management strategies suffered by the flight into the flight delay analysis ring, wherein the method comprises the following specific steps:
step 1.1: listing all affected traffic management strategies of a certain flight under the multiple traffic management strategies to be analyzed;
step 1.2: unifying all the flow management strategies to a time reference based on a first limited route point through a time translation method;
step 1.3: the flight delay analysis ring is a circular ring closed ring which takes target time to pass limit (TTO) as a starting point and takes calculated time to pass limit (CTO) as an end point, and the starting point and the end point are at the same position; the circumference of the circle represents the total actual delay time of the flight; the flight delay analysis ring comprises a plurality of concentric rings, wherein each ring represents a flow management strategy, and the solid ring sections in each ring represent the effective time period of the actual influence of the flow management strategy;
step 1.4: putting all the flow management strategies suffered by the flight into a flight delay analysis ring according to the effective time period;
step two: the method comprises the following steps of utilizing the subsection rotation of a delay analysis pointer in a flight delay analysis ring to analyze the influence of each flow management strategy on flight delay, and specifically comprising the following steps:
step 2.1: the delay analysis pointer rotates clockwise by taking the 12 o 'clock position of the flight delay analysis ring as a starting point, the 12 o' clock position of the flight delay analysis ring corresponds to the target passing time (TTO) of the first route point, and the delay analysis pointer only rotates along one or more solid rings which pass through each time of starting until the delay analysis pointer stops rotating on the one or more solid rings continuously to form a section of rotation process; after delaying the analysis pointer to stop rotating for a section, searching other one or more solid rings from the current position to continue rotating until the analysis pointer cannot continue rotating on the one or more solid rings; and so on until the delay analysis pointer finishes after rotating for a circle;
step 2.2: one or more traffic management strategies may exist in each section of the delay analysis pointer, and the traffic management strategies are traffic management strategies affecting the flight delay;
step three: determining the final influence of the traffic management strategy on the flight delay according to the influence weight:
delaying the effective solid ring section passing through each section in the process of analyzing the pointer rotating for one circle to be the influence time period of the corresponding flow management strategy on the flight in the section; when a plurality of flow management strategies exist in the same segment, the flow management strategies are distributed according to the weight proportion, so that the time length of the actual delay influence of each flow management strategy on the flight can be calculated.
The steps of the method are realized by a computer system, and a flight delay analysis ring generation module and a delay analysis pointer module are arranged in the computer system. And the flight delay analysis ring generation module executes the step one, and the delay analysis pointer module executes the step two and the step three.
The invention has the advantages and beneficial effects that: the invention realizes the delay analysis of the same flight by multiple flow management strategies through a flight delay analysis ring, and can calculate the actual delay influence duration of each flow management strategy on the flight. Meanwhile, the complex multiple traffic management strategies are simplified through the delay analysis pointer, and the influence of each traffic management strategy on flight delay is conveniently analyzed in a pointer subsection rotation mode. The method not only effectively solves the difficulty that the multi-flow management strategy puzzles the civil aviation operation, but also has simple operation and high efficiency.
Drawings
FIG. 1 is a schematic representation of steps 1.3 and 1.4 of the present invention.
FIG. 2 is a schematic representation of steps 2.1 and 2.2 of the present invention.
FIG. 3 is a schematic representation of step 3.2 of the present invention.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
A method for analyzing delay of the same flight by multiple traffic management strategies comprises the following steps:
the method comprises the following steps: and constructing a flight delay analysis ring, and putting all flow management strategies suffered by the flight into the flight delay analysis ring.
Step 1.1: all affected traffic management policies that need to analyze a certain flight under multiple traffic management policies are listed, such as traffic management policy 1(TMI-1), traffic management policy 2(TMI-2), traffic management policy 3(TMI-3), traffic management policy 4(TMI-4), and traffic management policy 5 (TMI-5). Traffic management policies typically include time to constraint, waypoints passed and trailing intervals, e.g., a certain traffic management policy of "9: 00-12:00, waypoints passed P, 10 minutes one rack").
In this embodiment, the actual influence of each traffic management policy on a flight is analyzed by taking an example that a flight receives TMI-1, TMI-2, TMI-3, TMI-4, TMI-5, and five traffic management policies at the same time.
Step 1.2: all traffic management policies are unified by means of time shifting to a time reference based on the first restricted waypoint. For example, the restricted waypoints corresponding to TMI-1, TMI-2, TMI-3, TMI-4 and TMI-5 are waypoint 1(WP-1), waypoint 2(WP-2), waypoint 3(WP-3), waypoint 4(WP-4) and waypoint 5(WP-5), respectively. Therefore, the influence period T after TMI-2 adjustment of the referenceTMI-2Need to subtract the duration of flight between WP-1 to WP-2: t isTMI-2＝【TTMI-2Start time-T(WP 1-WP 2 duration of flight)To [ T ]TMI-2End time-T(WP 1-WP 2 duration of flight)In other traffic management strategies, similarly, the flight duration from the corresponding limited point to the first limited waypoint needs to be subtracted from the start time and the end time.
Step 1.3: constructing and generating a flight delay analysis ring, wherein the flight delay analysis ring is a circular ring closed ring from a target time to over-limit (TTO) as a starting point to a calculated time to over-limit (CTO) as an end point, and the starting point and the end point are at the same position; the circumference of the circle represents the total actual delay time of the flight, i.e. CTO minus TTO; the flight delay analysis ring comprises a plurality of concentric rings, wherein each ring represents a flow management strategy, and the solid ring sections in each ring represent effective time periods of actual influence of the flow management strategy.
In this embodiment, referring to fig. 1, five traffic management policies, TMI-1, TMI-2, TMI-3, TMI-4, and TMI-5, respectively correspond to 5 rings from the inside to the outside of the flight delay analysis ring shown in fig. 1, where the solid part is the effective time period of each traffic management policy.
Step 1.4: and putting all the traffic management strategies suffered by the flight into a flight delay analysis ring according to the effective time period of the strategy (the time period beyond the range of the flight delay analysis ring does not actually influence the flight, so that the subsequent traffic management strategy time period beyond the CTO time point is not put into the flight delay analysis ring).
In fig. 1, the duration corresponding to one circle of the circle is the total delay duration of the flight, i.e. the total duration of the closed loop formed by one circle from the start point TTO to the end point CTO. In this example, 60 minutes is used as an example.
Step two: the method comprises the following steps of utilizing the subsection rotation of a delay analysis pointer in a flight delay analysis ring to analyze the influence of each flow management strategy on flight delay, and specifically comprising the following steps:
step 2.1: the delay analysis pointer rotates clockwise with the 12 o' clock position (namely TTO of the first route point) of the flight delay analysis ring as a starting point, the delay analysis pointer only rotates along one or more solid rings which pass through each starting time until the delay analysis pointer stops rotating on the one or more solid rings continuously, a section of rotation process is formed, and the solid ring which passes through the delay analysis pointer in each section of rotation is a flow management strategy for actually influencing flight delay in each section of rotation; after delaying the analysis pointer to stop rotating for a section, searching other one or more solid rings from the current position to continue rotating until the analysis pointer cannot continue rotating on the one or more solid rings; and so on until the delay analysis pointer rotates for a circle.
For example, in fig. 2, the delay analysis pointer starts to rotate clockwise from the 12 o' clock position (position 1), i.e. the position of TTO, of the dial, and the rotation starts to traverse two traffic management policies TMI-1 and TMI-2, i.e. the two traffic management policies are effective traffic management policies of the current rotation segment; the delay analysis pointer does not stop at the position 2 in the clockwise rotation process, because the TMI-2 still has a solid part which can continue to rotate, when the solid ring segments corresponding to the two effective flow management strategies are all finished at the position 3, the delay analysis pointer stops for the first time, namely the first section of delay analysis is finished; then, searching a solid section from the position 3 and continuing to rotate, searching the solid section of TMI-3 at the moment, and finishing the second section of rotation when continuing to rotate to the position 4; continuing to rotate from position 4 along the solid segment of TMI-4 to position 5, completing a third segment of rotation; finally, the solid segment following TMI-5 from position 5 to position 1 completes the rotation of the last fourth segment, and the delay analysis pointer completes one revolution.
Step 2.2: one or more traffic management policies may exist in each segment of the rotation of the delay analysis pointer, and these traffic management policies are the traffic management policies that affect the delay of the flight. It should be noted, however, that each valid solid segment is only the solid segment that was penetrated by the delinquent analysis pointer at the beginning of each segment rotation, and that each segment rotation is not solid at the beginning and the solid segment that was penetrated in the process is not valid within this segment of the delinquent analysis pointer.
In FIG. 2, during the rotation of the first segment, the flight is affected by both TMI-1 and TMI-2 traffic management strategies, although a solid segment of TMI-3 also appears during the rotation of the first segment, since the solid segment of TMI-3 cannot be traversed when the first segment is in the initial rotational position, i.e., position 1, only TMI-1 and TMI-2 are effective traffic management strategies that actually affect flight delays during the rotation of the first segment, and TMI-3 is not a traffic management strategy that actually affects flight delays.
Step three: and determining the final influence of the traffic management strategy on the flight delay according to the influence weight.
The effective solid ring segment that passes through each segment during one rotation of the delay analysis pointer is the period of influence of the corresponding traffic management strategy on the flight within the segment.
When a plurality of traffic management strategies (namely a plurality of effective time ring segments) exist in the same segment, the traffic management strategies are distributed according to the weight proportion, for example, a delay analysis pointer rotates for one circle for 60 minutes, namely, the total delay time of the flight is obtained, wherein the delay analysis pointer pauses for 4 times (namely 4 segments), the time of the first segment is 24 minutes, and as the first segment is subjected to two effective solid ring segments, the delay analysis pointer respectively takes effect for 24 minutes and 12 minutes, and the delay influence is respectively 24 [24/(24+12) ], namely 16 minutes; 24 × 12/(24+12) ] -8 min.
In FIG. 3, the first segment of the delay analysis pointer rotation is position 1 to position 3, where TMI-1 has an effect on the segment of 12 minutes and TMI-2 has an effect on the segment of 24 minutes. Since the flight delay actually caused by this segment is 24 minutes, two traffic management policies need to be assigned according to the weight to have a specific influence on the flight delay. Since TMI-1 and TMI-2 have a specific gravity of 12 to 24 (i.e., 1:2) for the flight delay, for the first 24 minute delay, TMI-1 is 8 minutes and TMI-2 is 16 minutes, depending on the specific gravity. In the second rotation of the delay analysis pointer, the delay time of the segment is 32-24-8 minutes, and only TMI-3 of the segment delay is a traffic management strategy which effectively influences flight delay, so that 8-minute delay is generated by TMI-3. In the third segment of the rotation of the delay analysis pointer, the delay time of the segment is 44-32-12 minutes, and since only TMI-4 of the segment has an influence on the flight delay, the influence of TMI-4 on the flight delay is 12 minutes. In the fourth revolution of the last delay analysis pointer, the delay impact of TMI-5 on the flight is 60-44 to 16 minutes. It can thus be analyzed that for a total delay of 60 minutes for this flight, TMI-1 has an effect on it of 8 minutes, TMI-2 of 16 minutes, TMI-3 of 8 minutes, TMI-4 of 12 minutes and TMI-5 of 16 minutes.
Each flow management strategy influences the sum of flight delays to be consistent with the actual flight delay analysis time, namely the perimeter of a delay analysis ring, so that the influence of each flow management strategy on the actual delay duration of a flight in the multiple flow management strategies can be accurately analyzed.
Furthermore, the steps of the method are realized by a computer system, and a flight delay analysis loop generation module and a delay analysis pointer module are arranged in the computer system. And the flight delay analysis ring generation module executes the step one, and the delay analysis pointer module executes the step two and the step three.
The invention being thus described by way of example, it should be understood that any simple alterations, modifications or other equivalent alterations as would be within the skill of the art without the exercise of inventive faculty, are within the scope of the invention.
Claims (2)
1. A method for analyzing delay of the same flight by multiple traffic management strategies is characterized by comprising the following steps:
the method comprises the following steps: constructing a flight delay analysis ring, and putting all flow management strategies suffered by the flight into the flight delay analysis ring, wherein the method comprises the following specific steps:
step 1.1: listing all affected traffic management strategies of a certain flight under the multiple traffic management strategies to be analyzed;
step 1.2: unifying all the flow management strategies to a time reference based on a first limited route point through a time translation method;
step 1.3: the flight delay analysis ring is a circular ring closed ring which takes target time to pass limit (TTO) as a starting point and takes calculated time to pass limit (CTO) as an end point, and the starting point and the end point are at the same position; the circumference of the circle represents the total actual delay time of the flight; the flight delay analysis ring comprises a plurality of concentric rings, wherein each ring represents a flow management strategy, and the solid ring sections in each ring represent the effective time period of the actual influence of the flow management strategy;
step 1.4: putting all the flow management strategies suffered by the flight into a flight delay analysis ring according to the effective time period;
step two: the method comprises the following steps of utilizing the subsection rotation of a delay analysis pointer in a flight delay analysis ring to analyze the influence of each flow management strategy on flight delay, and specifically comprising the following steps:
step 2.1: the delay analysis pointer rotates clockwise by taking the 12 o 'clock position of the flight delay analysis ring as a starting point, the 12 o' clock position of the flight delay analysis ring corresponds to the target passing time (TTO) of the first route point, and the delay analysis pointer only rotates along one or more solid rings which pass through each time of starting until the delay analysis pointer stops rotating on the one or more solid rings continuously to form a section of rotation process; after delaying the analysis pointer to stop rotating for a section, searching other one or more solid rings from the current position to continue rotating until the analysis pointer cannot continue rotating on the one or more solid rings; and so on until the delay analysis pointer finishes after rotating for a circle;
step 2.2: one or more traffic management strategies may exist in each section of the delay analysis pointer, and the traffic management strategies are traffic management strategies affecting the flight delay;
step three: determining the final influence of the traffic management strategy on the flight delay according to the influence weight:
delaying the effective solid ring section passing through each section in the process of analyzing the pointer rotating for one circle to be the influence time period of the corresponding flow management strategy on the flight in the section; when a plurality of flow management strategies exist in the same segment, the flow management strategies are distributed according to the weight proportion, so that the time length of the actual delay influence of each flow management strategy on the flight can be calculated.
2. The method for analyzing the same flight delay according to the multiple traffic management policies of claim 1, wherein: the method for analyzing the same flight delay by the multiple flow management strategies is realized by a computer system, and a flight delay analysis ring generation module and a delay analysis pointer module are arranged in the computer system; and the flight delay analysis ring generation module executes the step one, and the delay analysis pointer module executes the step two and the step three.
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