CN110502790A - Mission program integrated evaluating method and computer storage medium - Google Patents
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Abstract
The invention discloses a kind of mission program integrated evaluating method and computer storage mediums, it the described method comprises the following steps: 1) determining the mission program comprehensive evaluation index comprising mission program safety, economy, the feature of environmental protection and comfort, construct mission program overall merit hierarchy Model；2) it determines the specific value of each index, and gives a mark to each index；3) importance degree between index is determined based on exponential scale method, sensation judgment matrix is constructed according to importance degree；4) consistency check, the corresponding feature vector of calculating matrix Maximum characteristic root are carried out to the sensation judgment matrix, and calculates the weight of each index；5) according to the score value and weight of each index, the comprehensive score of the mission program is calculated.The present invention comprehensively considers mission program safety, economy, the feature of environmental protection and comfort four dimensions, establishes mission program System of Comprehensive Evaluation, so that mission program more adapts to the growth requirement of green civil aviaton.
Description
Technical field
The invention belongs to mission program comprehensive assessment fields, and in particular to a kind of mission program integrated evaluating method and calculating
Machine storage medium.
Background technique
As important air resource, it is aircraft that mission program, which is one of airport construction, the fundamental of blank pipe operation,
The important leverage for following the safe and orderly flight of established procedure, it is particularly important to aircraft safety and operational efficiency.In recent years,
China's aviation transport rapidly develops, and air traffic dramatically increases, more consideration safety factors of traditional mission program, but
Economy is poor, and the noise, greenhouse gases and the polluted gas discharge that generate are larger, are unable to satisfy currently higher and higher hold
Continuous demand for development, therefore many mission programs are optimised or redesign.Mission program evaluation is before mission program comes into operation
Necessary links, be related to many aspects such as aircraft operational safety, airline's economic benefit, social environment influence, by
It is paid close attention in many ways to researcher and airport etc..But existing mission program evaluation rarely has synthesis mainly from safety perspective
The research for considering the various dimensions such as economy, the feature of environmental protection and the comfort of mission program, thus cannot be from entirety to mission program
Superiority and inferiority evaluated.
Summary of the invention
Goal of the invention: the technical problem to be solved in the present invention is to provide a kind of mission program integrated evaluating method and computers
Storage medium solves existing mission program evaluation method and is difficult to the whole deficiency evaluated mission program superiority and inferiority, comprehensive
Consider mission program safety, economy, the feature of environmental protection and comfort four dimensions, establishes mission program comprehensive evaluation index body
System, and overall merit is carried out to different mission programs using analytic hierarchy process (AHP), the superiority and inferiority of each mission program is contrasted, thus with
The design and modification of mission program are instructed in safety, economy, the feature of environmental protection, the angle of comfort, so that mission program is more suitable
Answer the growth requirement of green civil aviaton.
Technical solution: mission program integrated evaluating method of the present invention, comprising the following steps:
(1) determine that the mission program overall merit comprising mission program safety, economy, the feature of environmental protection and comfort refers to
Mark, and mission program overall merit hierarchy Model is constructed using analytic hierarchy process (AHP)；
(2) it determines the specific value of each index, and gives a mark to each index；
(3) importance degree between index is determined based on exponential scale method, is constructed according to importance degree and feels judgement
Matrix；
(4) to the sensation judgment matrix carry out consistency check, the corresponding feature vector of calculating matrix Maximum characteristic root,
And calculate the weight of each index；
(5) according to the score value and weight of each index, the comprehensive score of the mission program is calculated.
Further, the mission program comprehensive evaluation index includes: that safety indexes, economic index, the feature of environmental protection refer to
Mark and comfort index, the safety indexes include flying height and flying speed, the economic index include fuel oil at
Originally with flight time cost, the feature of environmental protection index includes greenhouse gas emissions, polluted gas discharge amount and influence of noise, institute
Stating comfort index includes that gradient peace flies number of stages.
Further, safety indexes, economic index, feature of environmental protection index and comfort index are first class index, flight
Highly, flying speed, fuel cost, flight time cost, greenhouse gas emissions, polluted gas discharge amount, influence of noise, ladder
Degree, flat winged number of stages are two-level index.
Further,
The calculation method of fuel cost is,
Cfuel=t × F × Pfuel,
Wherein, CfuelIndicate that fuel cost, F indicate the fuel consumption of unit time, t indicates flight time, PfuelIt indicates
Fuel oil unit price；
The calculation method of flight time cost is,
Ctime=(C1+C2+C3+C4) × t,
Wherein, CtimeIndicate flight time cost, C1Indicate that the unit pilot time is taken, C2Indicate unit maintenance cost, C3Table
Show aircraft and engine unit depreciation expense and air materiel consumption expense, C4Indicate unit high price turnover part amortization charge.
Further,
Greenhouse gas emissions calculation method is,
Wherein, E indicates greenhouse gas emissions, and n indicates the engine number of units of aircraft installation, FiIndicate engine i's
Fuel consumption, I indicate CO2Emission index；
The Emission amount calculation method of polluted gas are as follows:
Wherein, EjIndicate the discharge amount of polluted gas j, T indicates aircraft time, fiIndicate the practical fuel oil stream of engine i
Amount, IijIndicate the emission index of the polluted gas j of engine i.
Further,
The calculation method of gradient is,
Wherein, gra indicates gradient, and Δ h indicates the aircraft altitude variable quantity in flight time section, when Δ s indicates flight
Between aircraft advances in section horizontal distance variable quantity.
Computer storage medium of the present invention, is stored thereon with computer program, and the computer program is being counted
Calculation machine processor realizes above-mentioned mission program integrated evaluating method when executing.
The utility model has the advantages that the invention has the following beneficial effects:
(1) safety, economy, the feature of environmental protection and the comfort of mission program have been comprehensively considered, can have been examined from multiple dimensions
Mission program is examined, the single evaluation in terms of safety is overcome and comprehensive insufficient disadvantage, therefore improves mission program and comment
That estimates is scientific, comprehensive；
(2) propose that the evaluation index of comfort, the present invention consider the influence that mission program seizes the opportunity experience to passenger, for the first time
It proposes to evaluate mission program from comfort angle, and number of stages is flown as Comfort Evaluation index using gradient peace；
(3) analytic hierarchy process (AHP) based on exponential scale is used, determines the importance degree of each index according to actual needs,
It gives a mark to the importance degree of different indexs, to preferably carry out overall merit to mission program for actual demand；
(4) real-time and good reliability that evaluation method is implemented, and simply convenient for application.
Detailed description of the invention
Fig. 1 is the method flow diagram of embodiment of the present invention；
Fig. 2 is the mission program overall merit hierarchy Model figure of present embodiment；
Fig. 3 is the vertical cross section of SID mission program and CCO mission program.
Specific embodiment
The process of embodiment of the present invention the method is as shown in Figure 1, including the following steps:
Step (1) considers safety, economy, the feature of environmental protection and the comfort of mission program, determines mission program various aspects
Evaluation index, be based on mission program comprehensive evaluation index, using analytic hierarchy process (AHP) construct mission program overall merit level knot
Structure model, specifically includes the following steps:
Step (A), determines safety indexes.Mission program must satisfy the safe altitude and rate limitation requirement of flight,
It ensures that aircraft flies safe and orderlyly according to established procedure, avoids aircraft and aircraft, boat in flight course
Pocket and ground obstacle bump against.Therefore, flying height and flying speed index from the aspect of safety；
Step (B), determines economic index.Mission program economy refers to that aircraft follows mission program limitation and requires,
Entire flight course is economically completed with lower fuel consumption, shorter flight time and flying distance.For mission program
The measuring and calculating of economy mainly considers mission program operating cost, i.e. fuel cost and flight time cost.Therefore, in economy side
Face considers fuel cost index and the flight time indicator of costs；
The calculation method of fuel cost is as follows:
Cfuel=t × F × Pfuel
Wherein, CfuelIt indicates fuel cost (member)；The fuel consumption (Kilograms Per Second) of F expression unit time；T indicates to fly
The row time (second)；PfuelExpression fuel oil unit price (member/kilogram)；
Flight time cost, which refers to, to be removed except fuel cost, the operating cost directly related with flight time t.It is calculated
Method is as follows:
Ctime=(C1+C2+C3+C4)×t
Wherein, CtimeIt indicates flight time cost (member)；C1Indicate that the unit pilot time takes (member/second)；C2Indicate unit dimension
Accomplish this (member/second)；C3Indicate that aircraft and engine unit depreciation expense and air materiel consumption take (member/second)；C4Indicate unit high price
It has enough to meet the need part amortization charge (member/second)；
Step (C), determines feature of environmental protection index.The mission program feature of environmental protection be based on by safety, economy on more
Height is pursued, and reflects the main aspect of modern mission program design and running quality.Influence of the mission program to environment is main
Two aspects of noise and discharge are embodied in, discharge is mainly discharged comprising greenhouse gas emission and polluted gas.Therefore, in the feature of environmental protection
From the aspect of greenhouse gas emission, polluted gas discharge and influence of noise index；
Greenhouse gas emissions calculation method is as follows:
Wherein, E indicates greenhouse gas emissions (kilogram)；N indicates the engine number of units (a) of aircraft installation；FiIt indicates
The fuel consumption (kilogram) of engine i；I indicates CO2Emission index (kg/kg), CO2Discharge amount usually only and oil consumption
Measure it is directly proportional, it is unrelated with other parameters, thus its emission index be 3.115 kg/kg of constant；
The Emission amount calculation method of polluted gas is as follows:
Wherein, EjIndicate the discharge amount (gram) of polluted gas j, j=HC, CO, NOX、SO2；T indicates aircraft time (second)；fi
Indicate the practical fuel flow (Kilograms Per Second) of engine i, which can obtain from actual operating data；IijIndicate engine i
Polluted gas j emission index (g kg)；
SO2Levels of emissions depend on the content of sulphur in fuel oil sulphur impurity, therefore its emission index usually takes 1 g kg.
About HC, CO and NOXEmission index, International Civil Aviation Organization publication aircraft engine emission database in give thrust etc.
The polluted gas emission index that grade is 100%, 85%, 30% and 7%.When calculating practical polluted gas discharge amount, basis is needed
Practical fuel flow corrects emission index, carries out piecewise linear interpolation calculating to polluted gas emission index；
About influence of noise, can be measured according to the population under the influence of certain specific noise grade.Firstly, according to " machine
Surrounding aircraft noise environmental standard " (GB9660-88) noise criteria recommendation, drawing weighted equivalent perceptual noise level is 70
The influence of noise range of decibel；Then, it according to the demographic statistics of airport surrounding area, and then determines in the coverage
Permanent resident population's sum；
Step (D), determines comfort index.Mission program comfort, which refers to bring for passenger, comfortably seizes the opportunity experience.Its
In, the flat winged number of stages in gradient of climb/downward gradient, flight course has a direct impact the comfort of mission program.Cause
This, the winged number of stages index of gradient (gradient of climb or downward gradient) peace from the aspect of comfort；
Gradient is navigated during pocket climbs and decline, the water of flight time section the inner height variable quantity and advance investigated
The ratio of flat distance change amount, calculation method are as follows:
Wherein, gra indicates gradient (%)；Δ h indicates the aircraft altitude variable quantity (rice) in flight time section；Δ s table
Show the horizontal distance variable quantity (rice) that aircraft advances in flight time section；
Establish mission program overall merit hierarchy Model the following steps are included:
Step (A), determines first class index.First class index are as follows: safety, economy, the feature of environmental protection, comfort；
Step (B), determines two-level index.Two-level index are as follows: flying height, flying speed, fuel cost, the flight time at
Sheet, greenhouse gas emissions, polluted gas discharge amount, influence of noise, gradient, flat winged number of stages；
Step (C), constructs mission program overall merit hierarchy Model, and structural model is as shown in Figure 2；
Step (2) determines the specific value of each index, and gives a mark to each index；The marking of each two-level index can
It is obtained by way of questionnaire survey and expert consulting marking, sets integer of the value as between 0-10.Refer to obtaining each second level
After target score value, the score value (should 0-10/) of mission program level of aggregation can be calculated according to each index weights,
Numerical value is bigger, and it is more high good to illustrate mission program level of aggregation, conversely, then illustrating that mission program level of aggregation is poorer.For evaluation
As a result, can be divided by score value it is outstanding, good, this poor, very poor five grades, corresponding scoring section is respectively
(8,10], (6,8], (4,6], (2,4], [0,2].
Step (3) is based on exponential scale method, two-by-two the importance degree of more each first class index, and judgement is felt in building
Matrix；Specifically includes the following steps:
Step (A), determines exponential scale form.For exponential scale there are many form, the present invention chooses " equidistant leap " index
Scale Method, importance scale are as shown in table 1；
The importance scale contrast table of 1 index of table
Step (B), importance journey of the Comparative indices relative to mission program level of aggregation two-by-two in four first class index
Degree constructs sensation judgment matrix, as shown in table 2；
2 sensation judgment matrix value table of table
| A | A1 | A2 | A3 | A4 |
| A1 | 1.000 | 1.618 | 2.618 | 4.236 |
| A2 | 0.618 | 1.000 | 1.618 | 2.618 |
| A3 | 0.382 | 0.618 | 1.000 | 1.618 |
| A4 | 0.236 | 0.382 | 0.618 | 1.000 |
Step (4) solves the Maximum characteristic root of sensation judgment matrix, and carries out consistency check, acquires Maximum characteristic root
Corresponding feature vector, and then calculate the weight of indexs at different levels；Specific step is as follows:
Step (A), calculating matrix Maximum characteristic root.Show that the maximum of the sensation judgment matrix is special by calculating solution matrix
Levy root λmaxIt is 4；
Step (B) carries out consistency check.According to formulaThe coincident indicator of matrix A can be calculated, wherein CR
Indicate consistency ratio；CI indicates coincident indicator,RI indicates Aver-age Random Consistency Index, and value can join
According to table 3.Maximum characteristic root λ hereinmaxIt is 4, the order n of judgment matrix is 4, and it is 0.58 that RI can be obtained by, which tabling look-up, therefore can be calculated
CI=0, CR=0 show that the sensation judgment matrix can satisfy the requirement of consistency check；
Table 3RI value table
| n | RI | n | RI |
| 3 | 0.36 | 7 | 0.88 |
| 4 | 0.58 | 8 | 0.93 |
| 5 | 0.72 | 9 | 0.97 |
| 6 | 0.82 |
Step (C) obtains the corresponding feature vector of Maximum characteristic root, first order calculation index weights.Sensation judgment matrix warp
After crossing consistency check, it is W=that solution matrix of the present invention, which obtains feature vector corresponding to the matrix Maximum characteristic root,
(0.7947,0.4911,0.3035,0.1876)T, after normalization be each first class index weighted value w=(0.4472,
0.2764,0.1708,0.1056)T.Therefore, the relationship between mission program level of aggregation A and each first class index is represented by A
=0.4472A1+0.2764A2+0.1708A3+0.1056A4；
Step (D) calculates two-level index weight.It is generally believed that continuous thin with index along with increasing for the index number of plies
Change, the importance of index can slowly tend to be identical, so the present invention compares two-by-two without using construction for the weighted value of two-level index
It is calculated compared with judgment matrix, but the weighted value of mean allocation each index, that is, think that the significance level of each index is identical.Cause
This, the relationship between mission program level of aggregation A and each two-level index is represented by A=0.2236 (A11+A12)+0.1382(A21
+A22)+0.0569(A31+A32+A33)+0.0528(A41+A42)；
Step (5) is carried out comprehensive assessment to multiple mission programs, is consulted using questionnaire survey and expert according to above-mentioned steps
It askes the method that marking combines to give a mark to mission program, obtains the comprehensive score comparing result of different mission programs, determine
The mission program of highest scoring.The comprehensive score result for calculating different mission programs compares, and the assessment result the big, shows
Level of aggregation is higher, and then can determine the higher mission program of level of aggregation.
Specifically by taking Beijing Capital Airport 36R Runway operation program as an example, we selected typical type B738, to standard instrument departure, SID
(Standard Instrument Departure, SID) program and operation (the Continuous Climb that continuously climbs
Operation, CCO) program progress overall merit.
It include flying height, flying speed, fuel cost, flight firstly, calculating the corresponding specific value of each index
Time cost, greenhouse gas emissions, polluted gas discharge amount, influence of noise, gradient peace fly number of stages.
According to SID and CCO the program actual operating data of Beijing Capital Airport 36R Runway operation, SID program and CCO journey
Sequence successively passes through AA151--AA156--AA152--AA153--AA154--AA155--RENOB way point, in flight course
The flying height and flying speed limitation for being all satisfied each way point require.
According to actual operating data, the fuel consumption for calculating SID program and CCO program is respectively 1150.01 kilograms
With 1137.92 kilograms, the flight time is respectively 894.534 seconds and 875.65 seconds.The aviation fuel unit price in China in 2018 is about 5000
Yuan/ton, the fuel cost that thus can calculate SID program and CCO program is respectively 5750.0 yuan and 5689.6 yuan.Two flights
Program is all made of B738 and leaves the theatre flight, so the unit flight time cost of two mission programs is identical, therefore the present invention is not right
Flight time cost further calculates, the foundation only given a mark using flight time length as flight time cost this index.
According to the fuel consumption of two kinds of mission programs, the greenhouse gas emissions of SID program and CCO program are calculated i.e.
CO2Discharge amount is respectively 3582.3 kilograms and 3544.6 kilograms.According to the practical fuel flow and contamination gas of two kinds of mission programs
Body emission index calculates the SO of SID program and CCO program2Discharge amount is respectively 1.15 kilograms and 1.14 kilograms, HC discharge amount
Respectively 0.115 kilogram and 0.114 kilogram, CO discharge amount is respectively 1.246 kilograms and 1.218 kilograms, and NOx discharge is respectively
34.985 kilogram and 34.582 kilograms.Therefore, the polluted gas total emission volumn of SID program and CCO program is respectively 37.496 thousand
Gram and 37.054 kilograms.In view of influence of noise data acquisition is difficult, the mission program feature of environmental protection of this example does not consider noise shadow
It rings.
According to actual operating data, the vertical cut-away schematic view of SID program and CCO program is drawn, as shown in Figure 3.SID journey
It reaches highest when sequence horizontal distance changes 108533 meters to leave the theatre level altitude, 6006.43 meters of height change, i.e. SID program is average
Gradient of climb=6006.43/108533 × 100%=5.5%.At 69285 meters of CCO programmed level distance change reach highest from
Level altitude, 6020.01 meters of height change, therefore CCO program is averaged gradient of climb=6020.01/69285 × 100%=
8.7%.
In summary it calculates, the concrete outcome of each index and related data is summarized as shown in table 5.
5 achievement data summary sheet of table
| Index | SID program | CCO program |
| Fuel consumption (kilogram) | 1150.01 | 1137.92 |
| Fuel cost (member) | 5750.0 | 5689.6 |
| Flight time (second) | 894.534 | 875.65 |
| Greenhouse gas emissions (kilogram) | 3582.3 | 3544.6 |
| Polluted gas discharge amount (kilogram) | 37.496 | 37.054 |
| Gradient (%) | 5.5 | 8.7 |
| Flat winged number of stages (section) | 2 | 1 |
The original value of each two-level index can be consulted by questionnaire survey and expert in mission program System of Comprehensive Evaluation
The mode for asking marking obtains, and sets integer of the value as between 0-10.It, can be according to each finger after the score value for obtaining each two-level index
Mark weight calculation obtains the score value (should 0-10/) of mission program level of aggregation, and numerical value is bigger, illustrates mission program
The level of aggregation the high good, conversely, then illustrating that mission program level of aggregation is poorer.For evaluation result, can be divided by score value
This outstanding, good, general, poor, very poor five grades, corresponding scoring section be respectively (8,10], (6,8], (4,6], (2,
4], [0,2].The scores of SID program and CCO program are as shown in table 6.
6 index Score Lists of table
| Index | SID program score | CCO program score |
| Flying height A11 | 10 | 10 |
| Flying speed A12 | 10 | 10 |
| Fuel cost A21 | 7 | 9 |
| Flight time cost A22 | 7 | 9 |
| Greenhouse gas emission A31 | 6 | 8 |
| Polluted gas discharges A32 | 6 | 8 |
| Gradient A41 | 9 | 7 |
| Flat winged number of stages A42 | 7 | 9 |
According to marking situation it can be found that SID program and CCO program have a same safety, but CCO program fuel oil at
Sheet, flight time cost, polluted gas discharge and are superior to SID program in terms of these three indexs, show preferably economy and
The feature of environmental protection, and CCO program score is slightly lower in terms of this index of gradient of climb, illustrates comfort lower than SID program.It is computed,
SID program total score=0.2236 × (10+10)+0.1382 × (7+7)+0.0854 × (6+6)+0.0528 × (9+7)=
8.276, CCO program total score=0.2236 × (10+10)+0.1382 × (9+9)+0.0854 × (8+8)+0.0528 × (7+
9)=9.171.Therefore, when comprehensively considering safety, economy, the feature of environmental protection and comfort, the level of aggregation of CCO mission program is wanted
Better than SID program, under the premise of meeting safe flight, CCO program can either be saved the flight time, but can reduce oil consumption and
Polluted gas discharge amount, but its comfort have it is to be hoisted, it is subsequent further to be designed and be modified from the angle of comfort.
Method of the invention can fill up domestic for mission program economic benefit, environment influence, level of comfort assessment side
The blank in face effectively acts as the effect of comprehensive multi-angle evaluation mission program, convenient for subsequent from safety, economy, ring
Guarantor property and the angle of comfort instruct the design and modification of mission program, so that newly-established mission program more adapts to the green people
The growth requirement of boat.
If the embodiment of the present invention is realized and when sold or used as an independent product in the form of software function module,
Also it can store in a computer readable storage medium.Based on this understanding, the technical solution of the embodiment of the present invention
Substantially the part that contributes to existing technology can be embodied in the form of software products in other words, the computer software
Product is stored in a storage medium, including some instructions are used so that computer equipment (can be personal computer,
Server or the network equipment etc.) execute all or part of each embodiment the method for the present invention.And storage above-mentioned is situated between
Matter, which includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read Only Memory), magnetic or disk etc. are various, to deposit
Store up the medium of program code.It is combined in this way, present example is not limited to any specific hardware and software.
Correspondingly, embodiments of the present invention additionally provide a kind of computer storage medium, it is stored thereon with computer journey
Sequence.When the computer program is executed by processor, aforementioned mission program integrated evaluating method may be implemented.For example, the meter
Calculation machine storage medium is computer readable storage medium.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is reference according to the method for the embodiment of the present application, the flow chart of equipment (system) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate
One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing
The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Claims (7)
1. a kind of mission program integrated evaluating method, which comprises the following steps:
(1) the mission program comprehensive evaluation index comprising mission program safety, economy, the feature of environmental protection and comfort is determined, and
Mission program overall merit hierarchy Model is constructed using analytic hierarchy process (AHP)；
(2) it determines the specific value of each index, and gives a mark to each index；
(3) importance degree between index is determined based on exponential scale method, sensation judgment matrix is constructed according to importance degree；
(4) consistency check, the corresponding feature vector of calculating matrix Maximum characteristic root are carried out to the sensation judgment matrix, and counted
Calculate the weight of each index；
(5) according to the score value and weight of each index, the comprehensive score of the mission program is calculated.
2. mission program integrated evaluating method according to claim 1, which is characterized in that the mission program overall merit
Index includes: safety indexes, economic index, feature of environmental protection index and comfort index, and the safety indexes include flight
Height and flying speed, the economic index include fuel cost and flight time cost, and the feature of environmental protection index includes temperature
Room gas emissions, polluted gas discharge amount and influence of noise, the comfort index include that gradient peace flies number of stages.
3. mission program integrated evaluating method according to claim 2, it is characterised in that: safety indexes, economy refer to
Mark, feature of environmental protection index and comfort index are first class index, flying height, flying speed, fuel cost, flight time cost,
Greenhouse gas emissions, polluted gas discharge amount, influence of noise, gradient, flat winged number of stages are two-level index.
4. mission program integrated evaluating method according to claim 3, it is characterised in that:
The calculation method of fuel cost is,
Cfuel=t × F × Pfuel,
Wherein, CfuelIndicate that fuel cost, F indicate the fuel consumption of unit time, t indicates flight time, PfuelIndicate fuel oil
Unit price；
The calculation method of flight time cost is,
Ctime=(C1+C2+C3+C4) × t,
Wherein, CtimeIndicate flight time cost, C1Indicate that the unit pilot time is taken, C2Indicate unit maintenance cost, C3Indicate boat
Pocket and engine unit depreciation expense and air materiel consumption take, C4Indicate unit high price turnover part amortization charge.
5. mission program integrated evaluating method according to claim 3, it is characterised in that:
Greenhouse gas emissions calculation method is,
Wherein, E indicates greenhouse gas emissions, and n indicates the engine number of units of aircraft installation, FiIndicate that the fuel oil of engine i disappears
Consumption, I indicate CO2Emission index；
The Emission amount calculation method of polluted gas are as follows:
Wherein, EjIndicate the discharge amount of polluted gas j, T indicates aircraft time, fiIndicate the practical fuel flow of engine i, Iij
Indicate the emission index of the polluted gas j of engine i.
6. mission program integrated evaluating method according to claim 3, it is characterised in that:
The calculation method of gradient is,
Wherein, gra indicates gradient, and Δ h indicates that the aircraft altitude variable quantity in flight time section, Δ s indicate flight time section
The horizontal distance variable quantity that interior aircraft advances.
7. a kind of computer storage medium, is stored thereon with computer program, it is characterised in that: the computer program is being counted
Calculation machine processor realizes method as claimed in any one of claims 1 to 6 when executing.
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| CN115424476A (en) * | 2022-07-27 | 2022-12-02 | 南京航空航天大学 | Method and system for comprehensively evaluating running performance of U-shaped area of civil aviation airport apron |
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