CN110659797B - Method and system for evaluating flight conflict resolution control instruction - Google Patents
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Abstract
The invention relates to the technical field of aviation control, in particular to an evaluation method for flight conflict resolution control instructions. The method comprises the following steps: s1, reading the control instruction, and acquiring a conflict resolution flight path; s2, calculating a flight conflict index according to the conflict resolution flight path; and S3, constructing a flight conflict assessment index system by using three indexes of effectiveness, accuracy and timeliness on the basis of the flight conflict index. On the basis of obtaining the conflict index through calculation, the embodiment of the invention constructs a flight conflict assessment index system by three indexes of effectiveness, accuracy and timeliness, and realizes comprehensive and detailed assessment of conflict resolution and control release instructions.
Description
Technical Field
The invention relates to the technical field of aviation control, in particular to an assessment method and system for flight conflict resolution control instructions.
Background
In recent years, with the increase of air traffic control flow, flight conflicts are increased continuously, and the flight safety is threatened seriously. The flight conflict assessment can be used for carrying out detailed and accurate assessment and analysis on the flight conflict events which occur, determining the type of the conflict occurrence, assessing the danger degree of the conflict events, assessing the quality of the control instructions of the controllers, measuring the level of the controllers and the like, and achieving the purposes of preventing the flight conflict occurrence and improving the flight safety.
In a civil aviation system, when an air management system predicts a flight conflict, a controller issues a control instruction to reasonably allocate an aircraft route and avoid the flight conflict until a flight plan is finished, and the control instruction of the controller plays a very key role in avoiding the occurrence of the flight conflict; the flight conflict resolution control instruction is accurately and timely evaluated afterwards, the quality of the control instruction issued by the controller can be evaluated in detail, and the improvement of the control level of the controller is greatly facilitated; therefore, an intensive study on an evaluation method of a flight conflict resolution control instruction is required.
In the prior art, the research on flight conflict resolution mainly focuses on the research on detection and resolution algorithms of flight conflicts, the occurrence probability condition of the flight conflicts is calculated, the flight conflict risk is described by probability, intelligent algorithms such as genetic algorithm and ant colony algorithm are provided to solve the conflict resolution problem, and the research results of the flight conflict resolution algorithm are rich; in the aspect of flight conflict assessment, a flight safety assessment model is mainly established, and the risk condition of flight conflict is quantitatively analyzed; however, the evaluation aspect of the conflict resolution control instruction is less researched, the flight conflict resolution evaluation index system is still incomplete, and the conflict resolution control instruction cannot be comprehensively and specifically evaluated, so that the evaluation on the conflict resolution effect is realized.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides an assessment method and an assessment system for flight conflict resolution control instructions, and provides an assessment index system constructed from three aspects of conflict resolution effectiveness, accuracy and timeliness, so that comprehensive and detailed assessment for the conflict resolution control instructions is realized.
In one aspect, an embodiment of the present invention provides a method for evaluating a flight conflict control release instruction, including the following steps:
s1, reading the control instruction, and acquiring a conflict resolution flight path;
s2, calculating a flight conflict index; specifically, the method comprises the steps of solving a conflict flight path flight conflict index and a planning flight path flight conflict index;
and S3, constructing a flight conflict assessment index system by using three indexes of effectiveness, accuracy and timeliness on the basis of the flight conflict index.
In step S2, the flight conflict index is composed of four sub-indexes, i.e., horizontal interval, vertical interval, approach rate, and track angle, and the four indexes are summed to obtain the flight conflict index.
In step S3, the validity indicator defines a collision index decreasing ratio CID, and the calculation formula is:
wherein the maximum conflict index of the planned flight path is CI max And the maximum conflict index of conflict resolution flight path is CI' max When 0 is present<CID<1, indicating that the releasing effectiveness is better, and indicating that the flight conflict releasing fails when the CID is more than or equal to 1;
the accuracy defines the target track deviation ratio as TDD, and the calculation formula is as follows:
the planned flight length is ITL, the length of a conflict resolution flight path is PTL, the deviation ratio of the target flight path to TDD is greater than 0, and the closer to 0, the better resolution accuracy is shown;
the timeliness defines an instruction time delay ratio ITD, and the calculation formula is as follows:
the conflict occurrence time is FCT, the current time is PT, the time of issuing the control command is CIT, 0< ITD <1, the closer the command time delay ratio ITD is to 0, the better the resolution timeliness is, and the ITD equal to 1 indicates that the flight conflict resolution fails.
The step S3 further includes performing comparative analysis on evaluation index results obtained according to the flight conflict evaluation index calculation method under different control instructions, and specifically includes the following steps:
s31, introducing weight factors into the three indexes of the flight conflict assessment index system, and respectively calculating sub-index scores of the three indexes;
s32, calculating the total score P of the evaluation index by summing the scores of the three sub indexes, wherein the calculation formula is as follows:
wherein, PCID, PTDD and PITD respectively correspond to three sub-index scores of effectiveness, accuracy and timeliness;
and S33, obtaining an evaluation index result display table under different control instructions according to the flight conflict evaluation index calculation method.
Wherein, in the steps S31 and S32, the calculation formulas of the sub index scores PCID, PTDD, and PITD are respectively:
P CID ＝W 1 ×CID
P TDD ＝W 2 ×TDD
P ITD ＝W 3 ×ITD
in the formula, Wi is a weight factor and respectively represents the proportion of effectiveness, accuracy and timeliness indexes, wherein i is 1, 2 and 3; the weight factor satisfies:
in another aspect, an embodiment of the present invention provides an evaluation system for flight conflict resolution control instructions, including:
a data processing module: reading a control instruction, and acquiring a conflict resolution track; calculating a flight conflict index; specifically, the method comprises the steps of solving a conflict flight path flight conflict index and a planning flight path flight conflict index;
a data analysis module: and on the basis of the flight conflict index, constructing a flight conflict assessment index system by using three indexes of effectiveness, accuracy and timeliness.
In the data processing module, the flight conflict index is composed of four sub-indexes of horizontal interval, vertical interval, approach rate and flight path included angle, and the four indexes are summed to obtain the flight conflict index.
In the data analysis module, the validity index defines a collision index decline ratio CID, and the calculation formula is as follows:
wherein the maximum conflict index of the planned flight path is CI max And the maximum conflict index of conflict resolution flight path is CI' max When 0 is present<CID<When the CID is more than or equal to 1, the flight conflict resolution is failed;
the accuracy defines the target track deviation ratio as TDD, and the calculation formula is as follows:
the planned flight length is ITL, the length of a conflict resolution flight path is PTL, the deviation ratio of the target flight path to TDD is greater than 0, and the closer to 0, the better resolution accuracy is shown;
the timeliness defines an instruction time delay ratio ITD, and the calculation formula is as follows:
the conflict occurrence time is FCT, the current time is PT, the time of issuing the control command is CIT, 0< ITD <1, the closer the command time delay ratio ITD is to 0, the better the resolution timeliness is, and the ITD equal to 1 indicates that the flight conflict resolution fails.
The data analysis module further obtains evaluation index results under different control instructions according to the flight conflict evaluation index calculation method for comparative analysis, and specifically comprises the following steps: introducing weight factors into the three indexes of the flight conflict assessment index system, and respectively calculating sub-index scores of the three indexes; and summing the scores of the three sub-indexes to calculate a total score P of the evaluation index, and calculating the formula:
wherein, PCID, PTDD and PITD respectively correspond to three sub-index scores of effectiveness, accuracy and timeliness; and obtaining an evaluation index result display table under different control instructions according to the flight conflict evaluation index calculation method.
The calculation formulas of the sub-index scores PCID, PTDD and PITD are respectively as follows:
P CID ＝W 1 ×CID
P TDD ＝W 2 ×TDD
P ITD ＝W 3 ×ITD
in the formula, Wi is a weight factor and respectively represents the proportion of effectiveness, accuracy and timeliness indexes, wherein i is 1, 2 and 3; the weight factor satisfies:
the embodiment of the invention provides an evaluation method and system for a flight conflict resolution control instruction, which are used for building a flight conflict evaluation index system by three indexes of effectiveness, accuracy and timeliness on the basis of obtaining a flight conflict index through calculation so as to realize comprehensive and detailed evaluation on the conflict resolution control instruction; and obtaining evaluation index results under different control instructions according to the flight conflict evaluation index calculation method, carrying out comparative analysis, evaluating the conflict resolution effect, and realizing quantitative analysis of a better control instruction scheme in the flight conflict resolution event.
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In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the technical description of the present invention will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic flow chart illustrating a method for evaluating a flight conflict resolution control instruction according to an embodiment of the present invention;
FIG. 2 is a schematic view of a sub-flow of a method for evaluating a flight conflict resolution control instruction according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a system for evaluating a flight conflict resolution control order according to an embodiment of the present invention;
reference numerals:
data processing module-1 data analysis module-2
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a schematic flow chart illustrating a method for evaluating a flight conflict deregulation instruction according to an embodiment of the present invention; as shown in fig. 1, the method comprises the following steps:
s1, reading the control instruction, and acquiring a conflict resolution flight path;
s2, calculating a flight conflict index; specifically, the method comprises the steps of solving a conflict flight path flight conflict index and a planning flight path flight conflict index;
and S3, constructing a flight conflict assessment index system by using three indexes of effectiveness, accuracy and timeliness on the basis of the flight conflict index.
Specifically, after flight conflict is resolved, a control command is read to obtain a conflict resolution track, flight conflict indexes are calculated for a planned track and the conflict resolution track respectively, and on the basis of the flight conflict indexes, a flight conflict assessment index system is constructed according to three indexes of effectiveness, accuracy and timeliness and in combination with time and space dimensions, so that comprehensive and detailed assessment of the conflict resolution control command is achieved.
The embodiment of the invention provides an evaluation method of a flight conflict resolution control instruction, which is characterized in that a flight conflict evaluation index system is established by three indexes of effectiveness, accuracy and timeliness on the basis of obtaining a flight conflict index through calculation, so that comprehensive and detailed evaluation of the conflict resolution control instruction is realized.
Further, in step S2, the flight conflict index is composed of four sub-indexes of horizontal interval, vertical interval, approach rate, and track angle, and the four sub-indexes are summed to obtain the flight conflict index; specifically, the flight conflict index refers to a flight conflict danger index calculation method in 2015 civil aircraft accident sign standards, after the four sub-indexes are calculated, the four sub-indexes of the flight conflict are determined according to the civil aircraft accident sign standards, and the four indexes are summed to obtain the flight conflict index.
Further, in step S3, the validity index defines a collision index decreasing ratio CID, and the calculation formula is:
on the basis of calculating flight conflict indexes for a planned flight path and a conflict resolution flight path, drawing two flight conflict index trends; selecting a conflict index trend peak point of a planned flight path and a conflict resolution flight path, namely the maximum possibility of flight conflict in the flight path; planning track maximum conflict index as CI max And the maximum conflict index of conflict resolution flight path is CI' max When 0 is present<CID<1, indicating that the possibility of flight conflict is reduced, and the closer to 0, indicating that the possibility of conflict after the re-voyage is lower, the better the releasing effectiveness is; when the CID is larger than or equal to 1, the collision resolution track does not reduce the possibility of the occurrence of the flight collision after the control instruction is issued, and the flight collision resolution fails;
the accuracy is defined as TDD, and the calculation formula is as follows:
the planned flight length is ITL, the conflict resolution flight path length is PTL, the target flight path deviation ratio TDD can be obviously judged to be larger than 0, the closer to the planned flight path, the more the conflict resolution flight path is, the better resolution accuracy is;
timeliness, defining an instruction time delay ratio ITD, and calculating the formula as follows:
according to the flight conflict index of the planned flight path, the initial time in the conflict time period is used as the conflict occurrence time and is FCT, the current time is PT, the issuing time of the control command is CIT, and simple analysis can judge that 0< ITD <1, the more the ITD is close to 0, the quicker the command time is issued, the more beneficial the conflict avoidance is, and the better the release timeliness is. The ITD is equal to 1, which indicates that flight conflict occurs when the control command is issued, and the flight conflict resolution fails.
By combining the three index calculation methods, a flight conflict resolution evaluation index system can be constructed, as shown in table 1:
further, fig. 2 is a schematic sub-flow chart of an evaluation method for flight conflict resolution control instruction according to an embodiment of the present invention; as shown in fig. 2, step S3 further includes obtaining evaluation index results under different control instructions according to the flight conflict evaluation index calculation method, and performing comparative analysis, specifically including the following steps:
s31, introducing weight factors into the three indexes of the flight conflict assessment index system, and respectively calculating sub-index scores of the three indexes;
s32, calculating the total score P of the evaluation index by summing the scores of the three sub indexes, and calculating the formula:
wherein, PCID, PTDD and PITD respectively correspond to three sub-index scores of effectiveness, accuracy and timeliness;
and S33, obtaining an evaluation index result display table under different control instructions according to the flight conflict evaluation index calculation method.
Specifically, in order to make the flight conflict assessment result more intuitive, it needs to be quantized, and the processing method is a weighted summation method. Introducing weight factors into three indexes of effectiveness, accuracy and timeliness, calculating sub-index scores of the three indexes as PCID, PTDD and PITD respectively, calculating a total score P of evaluation indexes through summation, and calculating different control instructions by using the method on the basis of a flight conflict evaluation index calculation method to obtain evaluation index result display tables under different control instructions; for example, a control instruction A and a control instruction B are read, a conflict resolution track A and a conflict resolution track B are obtained, and a flight conflict assessment index system is constructed by three indexes of effectiveness, accuracy and timeliness on the basis of calculating a flight conflict index according to a corresponding planned track; respectively calculating corresponding three index sub-index scores PCID, PTDD and PITD for the conflict resolution track A and the conflict resolution track B, and then summing to calculate a corresponding total evaluation index score P; finally, the evaluation index results under different control instructions are obtained and displayed in a table 2 as follows:
| evaluation index score | Control instruction A | Control instruction B |
| PCID | ||
| PTDD | ||
| PITD | ||
| Total score P |
According to the evaluation index result display table under different control instructions, effectiveness, accuracy and timeliness can be compared, the conflict resolution effect is evaluated, and a better control instruction scheme in the flight conflict resolution event is quantitatively analyzed.
Further, the calculation formulas of the sub index scores PCID, PTDD, and PITD in the steps S31 and S32 are respectively:
P CID ＝W 1 ×CID
P TDD ＝W 2 ×TDD
P ITD ＝W 3 ×ITD
in the formula, Wi is a weight factor and respectively represents the proportion of effectiveness, accuracy and timeliness indexes, wherein i is 1, 2 and 3; the weight factor satisfies:
according to the information such as the time period of flight conflict, the length of conflict flight path and the like, determining which index of the three indexes needs to be considered emphatically under the current condition through experience, and further determining the weight.
Based on the above embodiments, fig. 3 is a schematic structural diagram of an evaluation system for flight conflict resolution control instructions according to an embodiment of the present invention; as shown in fig. 3, includes:
the data processing module 1: reading a control instruction, and acquiring a conflict resolution track; calculating a flight conflict index; specifically, the method comprises the steps of solving a conflict flight path flight conflict index and a planning flight path flight conflict index;
the data analysis module 2: and on the basis of the flight conflict index, constructing a flight conflict assessment index system by using three indexes of effectiveness, accuracy and timeliness.
Further, the data analysis module also comprises a step of obtaining evaluation index results under different control instructions according to the flight conflict evaluation index calculation method and performing comparative analysis.
The embodiment of the invention provides an evaluation system for flight conflict resolution control instructions, which executes the method, and on the basis of obtaining flight conflict indexes through calculation, a flight conflict evaluation index system is established by three indexes of effectiveness, accuracy and timeliness, so that comprehensive and detailed evaluation of the conflict resolution control instructions is realized; and obtaining evaluation index results under different control instructions according to the flight conflict evaluation index calculation method, carrying out comparative analysis, evaluating the conflict resolution effect, and realizing quantitative analysis of a better control instruction scheme in the flight conflict resolution event.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A flight conflict resolution control instruction evaluation method is characterized by comprising the following steps:
s1, reading the control instruction, and acquiring a conflict resolution flight path;
s2, calculating a flight conflict index; specifically, the method comprises the steps of solving a conflict flight path flight conflict index and a planning flight path flight conflict index;
s3, defining three indexes of a conflict index descent ratio, a target track deviation ratio and an instruction time delay ratio from the three aspects of effectiveness, accuracy and timeliness on the basis of the flight conflict index, and constructing a flight conflict assessment index system;
in step S3, the validity indicator defines a flight conflict index descent ratio CID, and the calculation formula is:
wherein the maximum flight conflict index of the planned flight path is CI max And the maximum flight conflict index of the conflict resolution flight path is CI' max When the CID is more than 0 and less than 1, the releasing effectiveness is better, and when the CID is more than or equal to 1, the flight conflict releasing failure is indicated;
the accuracy defines the target track deviation ratio as TDD, and the calculation formula is as follows:
the planned flight length is ITL, the length of a conflict resolution flight path is PTL, the deviation ratio of the target flight path to TDD is greater than 0, and the closer to 0, the better resolution accuracy is shown;
the timeliness defines an instruction time delay ratio ITD, and the calculation formula is as follows:
the conflict occurrence time is FCT, the current time is PT, the time of issuing the control command is CIT, ITD is more than 0 and less than 1, the closer the command time delay ratio ITD is to 0, the better the resolution timeliness is, and the ITD equal to 1 indicates that the flight conflict resolution fails.
2. The method as claimed in claim 1, wherein in step S2, the flight conflict index is composed of four sub-indexes of horizontal interval, vertical interval, approach rate and track angle, and the four sub-indexes are summed to obtain the flight conflict index.
3. The method as claimed in claim 1, wherein the step S3 further includes performing comparative analysis on evaluation index results obtained by the flight conflict evaluation index calculation method under different control instructions, and specifically includes the following steps:
s31, introducing weight factors into the three indexes of the flight conflict assessment index system, and respectively calculating sub-index scores of the three indexes;
s32, calculating the total score P of the evaluation index by summing the scores of the three sub indexes, and calculating the formula:
wherein, P CID 、P TDD 、P ITD Respectively corresponding to three sub-index scores of effectiveness, accuracy and timeliness;
and S33, obtaining an evaluation index result display table under different control instructions according to the flight conflict evaluation index calculation method.
4. The method as claimed in claim 3, wherein the sub-indicator scores P in the steps S31 and S32 are P CID 、P TDD 、P ITD The calculation formulas of (A) and (B) are respectively as follows:
P CID ＝W 1 ×CID
P TDD ＝W 2 ×TDD
P ITD ＝W 3 ×ITD
in the formula, Wi is a weight factor and respectively represents the proportion of effectiveness, accuracy and timeliness indexes, wherein i is 1, 2 and 3; the weight factor satisfies:
5. an assessment system for flight conflict resolution control directives, comprising:
a data processing module: reading a control instruction, and acquiring a conflict resolution track; calculating a flight conflict index; specifically, the method comprises the steps of solving conflict flight path flight conflict indexes and planning flight path flight conflict indexes;
a data analysis module: defining three indexes of a conflict index descent ratio, a target track deviation ratio and a command time delay ratio from the three aspects of effectiveness, accuracy and timeliness on the basis of the flight conflict index, and constructing a flight conflict evaluation index system;
the effectiveness index defines a flight conflict index descent ratio CID, and the calculation formula is as follows:
wherein the maximum flight conflict index of the planned flight path is CI max And the conflict resolution track maximum flight conflict index is CI' max When the CID is more than 0 and less than 1, the releasing effectiveness is better, and when the CID is more than or equal to 1, the flight conflict releasing failure is indicated;
the accuracy defines the target track deviation ratio as TDD, and the calculation formula is as follows:
the planned flight length is ITL, the conflict resolution flight path length is PTL, the target flight path deviation ratio TDD is larger than 0, and the closer to 0, the better resolution accuracy is shown;
the timeliness defines an instruction time delay ratio ITD, and the calculation formula is as follows:
the conflict occurrence time is FCT, the current time is PT, the time of issuing the control command is CIT, the time is more than 0 and less than ITD, the command time delay ratio ITD is closer to 0, the higher the resolution timeliness is, and the ITD equal to 1 indicates that the flight conflict resolution fails.
6. The system according to claim 5, wherein in the data processing module, the flight conflict index is composed of four sub-indexes of horizontal interval, vertical interval, approach rate and track angle, and the four sub-indexes are summed to obtain the flight conflict index.
7. The system for evaluating a flight conflict resolution control instruction according to claim 5, wherein the data analysis module further comprises a step of performing comparative analysis on evaluation index results obtained by the flight conflict evaluation index calculation method under different control instructions, specifically comprising: introducing weight factors into the three indexes of the flight conflict assessment index system, and respectively calculating sub-index scores of the three indexes; and summing the scores of the three sub-indexes to calculate a total score P of the evaluation index, and calculating the formula:
wherein, P CID 、P TDD 、P ITD Respectively corresponding to three sub-index scores of effectiveness, accuracy and timeliness; and obtaining an evaluation index result display table under different control instructions according to the flight conflict evaluation index calculation method.
8. The system of claim 7, wherein the sub-indicator score P is a function of the flight conflict resolution control directive CID 、P TDD 、P ITD The calculation formulas of (a) and (b) are respectively as follows:
P CID ＝W 1 ×CID
P TDD ＝W 2 ×TDD
P ITD ＝W 3 ×ITD
in the formula, Wi is a weight factor and respectively represents the proportion of effectiveness, accuracy and timeliness indexes, wherein i is 1, 2 and 3; the weight factor satisfies:
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| CN112231389B (en) * | 2020-10-16 | 2021-08-24 | 中国民用航空华东地区空中交通管理局 | Track-based visual conflict model construction method and device, electronic equipment and storage medium |
| CN112562421B (en) * | 2020-11-27 | 2022-04-12 | 大蓝洞(南京)科技有限公司 | Flight conflict evaluation method based on index system |
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