CN104318105A - Effective sortie assessment method for aircraft flight trial - Google Patents

Abstract

The invention provides an effective sortie assessment method for aircraft flight trial. The method includes: respectively adopting two calculation methods according to the fact whether the aircraft a trial flight belongs to a comprehensive test subject or a single test subject to acquire success rate of a flight trial sortie; judging whether the trial flight is the effective sortie or not according to the threshold of the success rate. In the method, interference of artificial subjective factors and more external environment factors can be eliminated as much as possible, and effectiveness of the aircraft flight trial sortie is assessed scientifically, quantitatively and objectively; a flight trial list is standardized, trial flight contents are scientifically and reasonably demanded and arranged, driving techniques of the trial flight are accurately mastered, the test methods and instruments are used correctly, reliability in maintenance and field work guarantee is improved, collaboration of flight trial engineers and trial pilots is enhanced, and test efficiency and effectiveness of the aircraft flight trial are improved.

Description

Aircraft flight test effective sortie assessment method

Technical field

The invention belongs to aircraft experimental technique field, be specially a kind of aircraft flight test effective sortie assessment method, scientifically judge for the validity of flight test sortie in aircraft airflight test.

Background technology

Flight test is the scientific experiment activity carried out under Live Flying environmental baseline.Flight test is added up using single test flight as elementary cell, and the flight of flight test is commonly referred to a flight test sortie, is called for short a sortie of taking a flight test.For the validity check process of flight test parameter raw data, be in fact exactly the validity of an evaluation sortie of taking a flight test, the evaluation of effective sortie of namely taking a flight test.Evaluate effective sortie of taking a flight test, just must formulate the method for effective sortie evaluation of taking a flight test accordingly.

Effective sortie of taking a flight test evaluation is a requisite important step in the activity of any flight test problem, its object is to guarantee sortie quality of taking a flight test, for completing of test mission is taken a firm foundation, significant to the quality assurance completing problem of taking a flight test.

At present, at home in air weapon flight test procedure link still not about the theory of flight test effective sortie evaluation, method and assessment criteria.The relevance standard about the evaluation of flight test effective sortie or clause is not embodied in the national military standard promulgated yet.

Summary of the invention

The object of this invention is to provide the method for complete set for evaluating the effective sortie of flight test, the method wants to get rid of as much as possible the interference of artificial subjective factor and more outside environmental elements, science, evaluates the validity of aircraft test sortie quantitatively, objectively.Thus specification test mission list requires with the scientific rationality arranged, to the accurate assurance of driving technology of taking a flight test, proper use of to method of testing and instrument to content of taking a flight test, and improve the reliability of engineering and floor manager's guarantee, strengthen the collaborative of slip-stick artist and Aviatrix of taking a flight test, raising aircraft test efficiency and benefit.

Technical scheme of the present invention is:

Described a kind of aircraft flight test effective sortie assessment method, is characterized in that: comprise the following steps:

Step 1: the parameter of taking a flight test gathering single test flight, and judge that this pilot fight is single flight test subject or combined flight test subject, if combined flight test subject, enter step 2, if single flight test subject, enter step 3;

Step 2: this pilot fight is combined flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\mathrm{FTVA}=\underset{i=1}{\overset{m}{\mathrm{\Σ}}}\mathrm{FTVA}{K}_i{Q}_i$

Wherein FTVAK _ibe the success ratio of i-th flight test subject, m is the flight test subject quantity that this pilot fight comprises, Q _ifor the weighted value corresponding to i-th flight test subject, and Q ₁+ Q ₂+ ... Q _i+ ... + Q _m=1;

The success ratio FTVAK of flight test subject is according to following formulae discovery:

$\mathrm{FTVAK}=\underset{k=1}{\overset{n}{\mathrm{\Σ}}}{p}_k{q}_k$

Wherein p _kfor the qualification rate of this flight test subject kth action, p _k∈ [0,1], n are the action number that this flight test subject comprises, q _kfor the weighted value of this flight test subject kth action, and q ₁+ q ₂+ ... q _k+ ... + q _n=1;

Step 3: this pilot fight is single flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\begin{array}{c}\mathrm{FTVA}=p_{A1}{q}_{A1}+p_{A2}{q}_{A2}+\·\·\·p_{\mathrm{Ai}}{q}_{\mathrm{Ai}}+\·\·\·+p_{\mathrm{Au}}{q}_{\mathrm{Au}}\\ =\underset{i=1}{\overset{u}{\mathrm{\Σ}}}{p}_{\mathrm{Ai}}{q}_{\mathrm{Ai}}\end{array}$

Wherein p _aifor the qualification rate of this pilot fight i-th action element, p _ai∈ [0,1], u are the action element number that this pilot fight comprises, q _aifor the weighted value of this pilot fight i-th action element, and q _a1+ q _a2+ ... q _ai+ ... + q _au=1;

Step 4: for the object pilot fight of combined flight test section, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and have success ratio FTVAK >=0.6 of one of them flight test subject, then this pilot fight is part effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and the success ratio FTVAK < 0.6 of each flight test subject, then this pilot fight is noneffective sortie; For the pilot fight of single flight test subject, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, then this pilot fight is noneffective sortie.

For the single flight test subject pilot fight of step 3, the sortie success ratio FTVA that takes a flight test of following formulae discovery this pilot fight can also be adopted:

$\mathrm{FTVA}=\underset{i=1}{\overset{v}{\mathrm{\&Sigma;}}}{p}_{\mathrm{Bi}}{q}_{\mathrm{Bi}}$

Wherein p _bifor the qualification rate of this pilot fight i-th flight parameter, p _bi∈ [0,1], v are the flight parameter number needing in this pilot fight to pass judgment on, q _bibe the weighted value of i-th flight parameter, and q _b1+ q _b2+ ... q _bi+ ... + q _bv=1.

Further preferred version, described a kind of aircraft flight test effective sortie assessment method, it is characterized in that: the qualification rate of flare maneuver and/or flight parameter is divided into Three Estate according to the evaluation criterion of national military standard, wherein the corresponding qualification rate value of good degree is [0.9,1], the corresponding qualification rate value of qualified grade be [0.6,0.9), the corresponding qualification rate value of defective grade be [0,0.6).

Further preferred version, described a kind of aircraft flight test effective sortie assessment method, it is characterized in that: the qualification rate of flare maneuver and/or flight parameter is divided into Three Estate according to the evaluation criterion of national military standard, wherein the corresponding qualification rate value of good degree is 1, the corresponding qualification rate value of qualified grade is 0.6, and the corresponding qualification rate value of defective grade is 0.

Further preferred version, described a kind of aircraft flight test effective sortie assessment method, it is characterized in that: be divided into key parameter, important parameter and general parameters successively according to the flight parameter that needs are passed judgment on by the importance in pilot fight, the weighted value of key parameter is greater than the weighted value of important parameter, the weighted value of important parameter is greater than the weighted value of general parameters, the weighted value of flight parameter is maximum is not more than 0.5, is minimumly not less than 0.05.

Further preferred version, described a kind of aircraft flight test effective sortie assessment method, is characterized in that: the weighted value of key parameter and be 0.5, the weighted value of important parameter and be 0.3, the weighted value of general parameters and be 0.2.

Beneficial effect

The invention has the beneficial effects as follows: filled up domestic flight test field and lacked quantitative assessment always and to take a flight test the blank of effective sortie method, by having filled up in the present invention at home air weapon flight test procedure link about the theory of flight test effective sortie evaluation, method and assessment criteria.By the determined sortie quantization assessment method of taking a flight test of the present invention, for raising take a flight test efficiency, reduce cost of taking a flight test, the process of taking a flight test of refining, shorten the cycle of taking a flight test, solve the sortie validity problem of taking a flight test of artificial subjective evaluation in the past and all there is Practical Project be worth.

Accompanying drawing explanation

Fig. 1: flight test effective sortie evaluation operational flowchart.

Embodiment

Below in conjunction with specific embodiment, the present invention is described:

In flight test, flight test effective sortie refers to Aviatrix, take a flight test slip-stick artist and the test mission list of support personnel according to approval of taking a flight test, and completes the flight of scientific research or training test mission by flight test subject requirement.In the present invention, in order to carry out Quantitative evaluation to effective sortie of taking a flight test, have employed the validity that sortie success ratio of taking a flight test represents sortie of taking a flight test.Sortie success ratio of taking a flight test refers to the some numerical value between 0 and 1, and when this numerical value is more than or equal to the success ratio standard of setting, then this sortie of taking a flight test is effective, otherwise invalid.If success ratio thresholding represents with [W], then sortie success ratio of taking a flight test can be expressed as W ∈ [0,1].

1, to take a flight test effective sortie Universal Criterion and rating

The effective sortie Universal Criterion of taking a flight test determined is as follows:

FTVA >=[W] is effective

FTVA < [W] invalid (1)

In formula: FTVA refers to sortie validity evaluation score value (or success ratio) of taking a flight test, and [W] refers to sortie success ratio threshold value of taking a flight test, and generally gets [W]=0.6.

The rating of flight test effective sortie divides as follows:

Effective sortie is divided into: outstanding: FTVA>=90%; Qualified: 60%≤FTVA < 90%; Part effective sortie ^[note]: FTVAK>=60% of one of them flight test subject; Noneffective sortie: the FTVAK < 60% of each flight test subject; In formula: FTVAK refers to flight test subject success ratio.

[note]: be only applicable to " combined flight test sortie ".

The evaluation of flight test effective sortie has been come by evaluation flight test subject, and the evaluation of flight test subject validity has been come by evaluation action of taking a flight test, and action of taking a flight test normally is characterized by one group of parameter of taking a flight test.Therefore, in order to evaluate flight test subject, the correlation parameter must choosing the action of taking a flight test in corresponding flight test subject, as passing judgment on the most basic element of object, should be chosen for the parameter of taking a flight test that certain sortie flight test subject plays a major role in principle.The flight test of a sortie can be that single section's object is taken a flight test, and also can be the combined flight test of multiple subject composition.

2, flight test subject success ratio computing formula is as follows

$\mathrm{FTVAK}=\underset{k=1}{\overset{n}{\mathrm{\&Sigma;}}}{p}_k{q}_k---\left(2\right)$

In formula

The action number that n-flight test subject comprises

P _kthe qualification rate an of-kth action, k=1 ..., n

Q _kthe weighted value an of-kth action, and

q ₁+q ₂+…q _k+…+q _n＝1 (3)

The weighted value of action of taking a flight test refers to that the examination of this action of taking a flight test is to the significance level completing flight flight test subject, needs to set in advance.When the degree of the action performance assessment criteria importance that is difficult to determine respectively to take a flight test, the method for power process such as can to adopt.

The evaluation of driver behavior qualification rate can refer to " evaluation criterion " in national military standard GJB 624A-2010 " military aircraft scientific research take a flight test training requirement ".For the flight test subject having clear and definite index request in test mission list, should preferentially select set quota in test mission list.

Require repeatedly to take a flight test for same flight test subject in test mission list and once reach the action of taking a flight test and requiring, its validity score of the examination is once as the criterion with best.

3, sortie success ratio of taking a flight test computing formula is as follows

$\mathrm{FTVA}=\underset{i=1}{\overset{m}{\mathrm{\&Sigma;}}}\mathrm{FTVA}{K}_i{Q}_i---\left(4\right)$

In formula

FTVAK _ithe success ratio of-the i-th flight test subject, i=1,2 ..., m

Q _iweighted value corresponding to-the i-th flight test subject, and

Q ₁+Q ₂+…Q _i+…+Q _m＝1 (5)

The flight test subject quantity that m-sortie of taking a flight test comprises

In formula (5), the weighted value of each flight test subject depends on importance and the criticality of each flight test subject of decomposition, needs to set in advance.The success ratio FTVAK of each flight test subject is calculated by formula (2).

4, calculate according to flare maneuver qualification rate sortie success ratio of taking a flight test as follows

This flight has n main flare maneuver element, and the qualification rate of each action element is p _ai, the power shared by each action is q _ai, then the success ratio FTVA of this flight _acan be expressed as

$\begin{array}{c}\mathrm{FTVA}=p_{A1}{q}_{A1}+p_{A2}{q}_{A2}+\&CenterDot;\&CenterDot;\&CenterDot;p_{\mathrm{Ai}}{q}_{\mathrm{Ai}}+\&CenterDot;\&CenterDot;\&CenterDot;+p_{\mathrm{Au}}{q}_{\mathrm{Au}}\\ =\underset{i=1}{\overset{u}{\mathrm{\&Sigma;}}}{p}_{\mathrm{Ai}}{q}_{\mathrm{Ai}}\end{array}---\left(6\right)$

In formula

q _A1+q _A2+…+q _Ai+…+q _An＝1 (8)

The power q of each action in formula (6) _aiset in advance according to the criticality of action, p _aithat the acceptable level of each action is provided by after above-mentioned national military standard prejudgementing criteria analysis, if this action is excellent, then p _ai=1, this action is qualified, then p _ai=0.6, this action is defective, then p _ai=0.

Excellent P in formula (7) _ai=1 is the upper limit of having got good degree (0.9 ~ 1), qualifiedly gets p _ai=0.6 is the lower limit having got qualified grade (0.6 ~ 0.9), defective p _ai=0, get the lower limit of defective grade (0 ~ 0.6).Both value is convenient to like this, the rationality that tool is certain again.

This flight success ratio FTVA can be calculated by formula (6) _a, and substitution is taken a flight test in effective sortie Universal Criterion formula (1), compares, can judge that whether this sortie of taking a flight test is effective with success ratio standard [W].

5, calculate according to flight parameter qualification rate sortie success ratio of taking a flight test as follows

When flight is made up of a flight test subject, flight parameter can be adopted to pass judgment on.Flight parameter passes judgment on form and flare maneuver is passed judgment on similar, only flare maneuver need be transformed into main flight parameter, use FTVA _brepresent the flight success ratio that flight parameter is passed judgment on, then

${\mathrm{FTVA}}_B=\underset{i=1}{\overset{n}{\mathrm{\&Sigma;}}}{p}_{\mathrm{Bi}}{q}_{\mathrm{Bi}}---\left(9\right)$

In formula

P _bi---i-th flight parameter qualification rate

I---flight parameter number, i=1,2 ..., n

Q _bi---the power shared by i-th flight parameter

q _B1+q _B2+……+q _Bi+……+q _Bn＝1 (11)

6, type choosing method is passed judgment on

Judge type is chosen according to judge object.Pass judgment on object and have two layers of meaning: one refers to that this flight is single flight test subject or combined flight test subject, two refer to and still use flight parameter as main judge object with flare maneuver.

If single flight test subject, then choose flare maneuver pass judgment on class pattern (6) or flight parameter pass judgment on class pattern (9) be calculated to be power FTVA, if combined flight test subject, then choose combined flight test subject judge class pattern (4) and be calculated to be power FTVA; If using flare maneuver as main judge object, then choose formula (6), if using flight parameter as main judge object, then choose formula (9).

No matter choose flare maneuver and pass judgment on formula (6) or flight parameter judge formula (9), final judge object elements is all flight parameter, only formula (6) is using flare maneuver as main judge object, and formula (9) is using flight parameter as main judge object, in whole flight, flight parameter number is once after selected, substantially be constant, only in different flare maneuvers, the emphasis of flight parameter is different, a certain action only selected these action success or failure are played a crucial role a few until one or two parameter, and mainly Quantitative evaluation.

Letting us choose up to see flare maneuver judge class pattern (6) still selects flight parameter to pass judgment on class pattern (9), and this wants concrete condition to make a concrete analysis of.If getting aerial main actions segment data is that master passes judgment on sortie validity of taking a flight test, formula (6) is selected in suggestion; If get complete data of rising and falling to pass judgment on sortie validity of taking a flight test, formula (9) is selected in suggestion.

7, the defining method of element weighted value

After selected judge type, the weight ratio of the element number of judge object, element composition and element will be determined, such process will be called that element power is determined.Assuming that choose flight parameter to pass judgment on formula (9), then determine element weighted value as follows:

1) element number is chosen

The judge object elements that flight parameter passes judgment on formula (9) is flight parameter, should find out those flight parameters played a major role for completing this flight test subject task.For each intensity flight test subject, these flight parameters include, but is not limited to: flying speed (V), flying height (h), three-dimensional overload (n _z, n _x, n _y), the angle of attack (α), yaw angle (β), three-dimensional handle displacement (d _e, d _a, d _r), three angle of rudder reflection (δ _e, δ _a, δ _r).The main flight parameter of this flight test subject should be found out, in general, preferably not more than 8 from these flight parameters.

2) determine that element forms

After have chosen the param elements number of this flight, will determine that element forms, generally be made up of key element, important element and general element.Key element refers to the element played a crucial role to this flight success or failure, and key element number is few, but plays a crucial role, and important element is less, plays an important role, and general element is more, plays a secondary role.Such as, assuming that have selected the element of 8 flight parameters as this flight, then can select 1 ~ 2 key element, 2 ~ 3 important elements, all the other are general element.

3) determine that element weights compares q _i

To determine after element composition by three ingredients of element to determine the weight ratio q of each element _i, determine q _ifollowing principle should be followed:

(1) weigh by the significance level determination element of element, more crucial element weights is than larger, and vice versa.

(2) power of most critical element is not more than 0.5, and least the power of important element is not less than 0.05.

(3) all elements power sum equals 1.

8, element qualification rate obtaining value method

Often kind of element qualification rate p _ione of useful following methods carrys out value:

1) extreme value is got

According to national military standard, element qualification rate is divided into excellent, qualified and defective Three Estate, and the span of each grade is shown below

What is called is got extreme value and is just referred to according to circumstances get maximum value (upper limit) or minimal value (lower limit) in each rate range, and excellent level gets its maximum value p ₁=1, regular grade and defective level minimalization (lower limit) respectively, namely regular grade gets p ₂=0.6, defective level gets p ₃=0, such benefit one is convenient, and two is that each grade differential is obvious, has certain rationality.

2) actual estimated value is got

What is called gets actual estimated value, refer to that, by the actual conditions in three qualification rate rate ranges to choose estimated value, such as, certain element belongs to qualified grade according to the Changing Pattern of this parameter and size, upper middle is occupied again, i.e. the qualification rate p of this parameter desirable in this rate range ₂be certain value between 0.8 ~ 0.9, as got p ₂=0.88; If occupy lower middle and desirable p ₂be certain value between 0.6 ~ 0.7, as got p ₂=0.62.Although this obtaining value method is relatively more reasonable, cumbersome.

According to above analysis, and with reference to the accompanying drawings 1, the concrete steps obtaining the present embodiment are:

Step 1: the parameter of taking a flight test gathering single test flight, and judge that this pilot fight is single flight test subject or combined flight test subject, if combined flight test subject, enter step 2, if single flight test subject, enter step 3.

Step 2: this pilot fight is combined flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\mathrm{FTVA}=\underset{i=1}{\overset{m}{\mathrm{\&Sigma;}}}\mathrm{FTVA}{K}_i{Q}_i$

Wherein FTVAK _ibe the success ratio of i-th flight test subject, m is the flight test subject quantity that this pilot fight comprises, Q _ifor the weighted value corresponding to i-th flight test subject, and Q ₁+ Q ₂+ ... Q _i+ ... + Q _m=1;

The success ratio FTVAK of flight test subject is according to following formulae discovery:

$\mathrm{FTVAK}=\underset{k=1}{\overset{n}{\mathrm{\&Sigma;}}}{p}_k{q}_k$

Wherein p _kfor the qualification rate of this flight test subject kth action, p _k∈ [0,1], n are the action number that this flight test subject comprises, q _kfor the weighted value of this flight test subject kth action, and q ₁+ q ₂+ ... q _k+ ... + q _n=1;

Step 3: this pilot fight is single flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\begin{array}{c}\mathrm{FTVA}=p_{A1}{q}_{A1}+p_{A2}{q}_{A2}+\&CenterDot;\&CenterDot;\&CenterDot;p_{\mathrm{Ai}}{q}_{\mathrm{Ai}}+\&CenterDot;\&CenterDot;\&CenterDot;+p_{\mathrm{Au}}{q}_{\mathrm{Au}}\\ =\underset{i=1}{\overset{u}{\mathrm{\&Sigma;}}}{p}_{\mathrm{Ai}}{q}_{\mathrm{Ai}}\end{array}$

Wherein p _aifor the qualification rate of this pilot fight i-th action element, p _ai∈ [0,1], u are the action element number that this pilot fight comprises, q _aifor the weighted value of this pilot fight i-th action element, and q _a1+ q _a2+ ... q _ai+ ... + q _au=1;

Such as certain maneuvering flight sortie is made up of 5 major motor actions, and action sequence number is k, and corresponding to each action and each action, the qualification rate of time period parameter testing is p _ak, the weighted value q shared by it _ak, as shown in table 1.

The action qualification rate of certain maneuvering flight sortie of table 1 and action weighted value

Action sequence number k	1	2	3	4	5
						Action qualification rate p Ak	1	1	1	0.6	0.0
Action weighted value q Ak	0.4	0.3	0.1	0.1	0.1

The validity calculating this maneuvering flight sortie is as follows:

FTVA＝1×0.4+1×0.3+1×0.1+0.6×0.1+0.0×0.1

＝0.4+0.3+0.1+0.06+0

=86% (regular grade, effective sortie)

Divide known according to above-mentioned flight test effective sortie rating, the motor-driven flight test subject of this sortie belongs to regular grade and effectively to take a flight test sortie.

For single flight test subject, pilot fight take a flight test sortie success ratio FTVA also according to following formulae discovery:

$\mathrm{FTVA}=\underset{i=1}{\overset{v}{\mathrm{\&Sigma;}}}{p}_{\mathrm{Bi}}{q}_{\mathrm{Bi}}$

Wherein p _bifor the qualification rate of this pilot fight i-th flight parameter, p _bi∈ [0,1], v are the flight parameter number needing in this pilot fight to pass judgment on, q _bibe the weighted value of i-th flight parameter, and q _b1+ q _b2+ ... q _bi+ ... + q _bv=1.

Here, for the qualification rate of action and the qualification rate of flight parameter, evaluation criterion according to national military standard is divided into Three Estate, wherein the corresponding qualification rate value of good degree is [0.9,1], the corresponding qualification rate value of qualified grade be [0.6,0.9), the corresponding qualification rate value of defective grade be [0,0.6).According to above-mentioned analysis, the present embodiment adopts and gets bounding method, and namely the corresponding qualification rate value of good degree is 1, and the corresponding qualification rate value of qualified grade is 0.6, and the corresponding qualification rate value of defective grade is 0.

And for adopt need pass judgment on flight parameter calculate pilot fight take a flight test sortie success ratio time, key parameter, important parameter and general parameters is divided into successively by needing the flight parameter passed judgment on according to the importance in pilot fight, the weighted value of key parameter is greater than the weighted value of important parameter, the weighted value of important parameter is greater than the weighted value of general parameters, the weighted value of flight parameter is maximum is not more than 0.5, is minimumly not less than 0.05.Further, the weighted value of key parameter and be 0.5, the weighted value of important parameter and be 0.3, the weighted value of general parameters and be 0.2.

Such as strength of aircraft pilot fight, displacement (de, da, dr) can be handled from flying speed (V), flying height (h), three-dimensional overload (nz, nx, ny), the angle of attack (α), yaw angle (β), three-dimensional, in the performance parameters such as three angle of rudder reflection (δ e, δ a, δ r), choose the flight parameter needing to pass judgment on.Generally do not exceed 8.Assuming that have selected the flight parameter of 8 flight parameters as the judge of this pilot fight needs, then according to the importance in pilot fight, select 1 ~ 2 key element, 2 ~ 3 important elements, all the other are general element, as table 2.

Weighting factor example determined by table 2

Step 4: based on above-mentioned calculating, for the object pilot fight of combined flight test section, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and have success ratio FTVAK >=0.6 of one of them flight test subject, then this pilot fight is part effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and the success ratio FTVAK < 0.6 of each flight test subject, then this pilot fight is noneffective sortie; For the pilot fight of single flight test subject, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, then this pilot fight is noneffective sortie.

Claims (6)

1. an aircraft flight test effective sortie assessment method, is characterized in that: comprise the following steps:

Step 1: the parameter of taking a flight test gathering single test flight, and judge that this pilot fight is single flight test subject or combined flight test subject, if combined flight test subject, enter step 2, if single flight test subject, enter step 3;

Step 2: this pilot fight is combined flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\mathrm{FTVA}=\underset{i=1}{\overset{m}{\mathrm{\&Sigma;}}}\mathrm{FTVA}{K}_i{Q}_i$

Wherein FTVAK _ibe the success ratio of i-th flight test subject, m is the flight test subject quantity that this pilot fight comprises, Q _ifor the weighted value corresponding to i-th flight test subject, and Q ₁+ Q ₂+ ... Q _i+ ... + Q _m=1;

The success ratio FTVAK of flight test subject is according to following formulae discovery:

$\mathrm{FTVAK}=\underset{k=1}{\overset{n}{\mathrm{\&Sigma;}}}{p}_k{q}_k$

Wherein p _kfor the qualification rate of this flight test subject kth action, p _k∈ [0,1], n are the action number that this flight test subject comprises, q _kfor the weighted value of this flight test subject kth action, and q ₁+ q ₂+ ... q _k+ ... + q _n=1;

Step 3: this pilot fight is single flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\begin{array}{c}\mathrm{FTVA}=p_{A1}{q}_{A1}+p_{A2}{q}_{A2}+...p_{\mathrm{Ai}}{q}_{\mathrm{Ai}}+...+p_{\mathrm{Au}}{q}_{\mathrm{Au}}\\ =\underset{i=1}{\overset{u}{\mathrm{\&Sigma;}}}{p}_{\mathrm{Ai}}{q}_{\mathrm{Ai}}\end{array}$

Wherein p _aifor the qualification rate of this pilot fight i-th action element, p _ai∈ [0,1], u are the action element number that this pilot fight comprises, q _aifor the weighted value of this pilot fight i-th action element, and q _a1+ q _a2+ ... q _ai+ ... + q _au=1;

Step 4: for the object pilot fight of combined flight test section, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and have success ratio FTVAK >=0.6 of one of them flight test subject, then this pilot fight is part effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and the success ratio FTVAK < 0.6 of each flight test subject, then this pilot fight is noneffective sortie; For the pilot fight of single flight test subject, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, then this pilot fight is noneffective sortie.

2. an aircraft flight test effective sortie assessment method, is characterized in that: comprise the following steps:

Step 1: the parameter of taking a flight test gathering single test flight, and judge that this pilot fight is single flight test subject or combined flight test subject, if combined flight test subject, enter step 2, if single flight test subject, enter step 3;

Step 2: this pilot fight is combined flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\mathrm{FTVA}=\underset{i=1}{\overset{m}{\mathrm{\&Sigma;}}}\mathrm{FTVA}{K}_i{Q}_i$

Wherein FTVAK _ibe the success ratio of i-th flight test subject, m is the flight test subject quantity that this pilot fight comprises, Q _ifor the weighted value corresponding to i-th flight test subject, and Q ₁+ Q ₂+ ... Q _i+ ... + Q _m=1;

The success ratio FTVAK of flight test subject is according to following formulae discovery:

$\mathrm{FTVAK}=\underset{k=1}{\overset{n}{\mathrm{\&Sigma;}}}{p}_k{q}_k$

Wherein p _kfor the qualification rate of this flight test subject kth action, p _k∈ [0,1], n are the action number that this flight test subject comprises, q _kfor the weighted value of this flight test subject kth action, and q ₁+ q ₂+ ... q _k+ ... + q _n=1;

Step 3: this pilot fight is single flight test subject, the sortie success ratio FTVA that takes a flight test of this pilot fight is according to following formulae discovery:

$\mathrm{FTVA}=\underset{i=1}{\overset{v}{\mathrm{\&Sigma;}}}{p}_{\mathrm{Bi}}{q}_{\mathrm{Bi}}$

Wherein p _bifor the qualification rate of this pilot fight i-th flight parameter, p _bi∈ [0,1], v are the flight parameter number needing in this pilot fight to pass judgment on, q _bibe the weighted value of i-th flight parameter, and q _b1+ q _b2+ ... q _bi+ ... + q _bv=1;

Step 4: for the object pilot fight of combined flight test section, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and have success ratio FTVAK >=0.6 of one of them flight test subject, then this pilot fight is part effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, and the success ratio FTVAK < 0.6 of each flight test subject, then this pilot fight is noneffective sortie; For the pilot fight of single flight test subject, if sortie success ratio FTVA >=0.6 of taking a flight test of this pilot fight, then this pilot fight is effective sortie; If the sortie success ratio FTVA < 0.6 that takes a flight test of this pilot fight, then this pilot fight is noneffective sortie.

3. a kind of aircraft flight test effective sortie assessment method according to claim 1 or 2, it is characterized in that: the qualification rate of flare maneuver and/or flight parameter is divided into Three Estate according to the evaluation criterion of national military standard, wherein the corresponding qualification rate value of good degree is [0.9,1], the corresponding qualification rate value of qualified grade is [0.6,0.9), the corresponding qualification rate value of defective grade be [0,0.6).

4. a kind of aircraft flight test effective sortie assessment method according to claim 3, it is characterized in that: the qualification rate of flare maneuver and/or flight parameter is divided into Three Estate according to the evaluation criterion of national military standard, wherein the corresponding qualification rate value of good degree is 1, the corresponding qualification rate value of qualified grade is 0.6, and the corresponding qualification rate value of defective grade is 0.

5. a kind of aircraft flight test effective sortie assessment method according to claim 2, it is characterized in that: be divided into key parameter, important parameter and general parameters successively according to the flight parameter that needs are passed judgment on by the importance in pilot fight, the weighted value of key parameter is greater than the weighted value of important parameter, the weighted value of important parameter is greater than the weighted value of general parameters, the weighted value of flight parameter is maximum is not more than 0.5, is minimumly not less than 0.05.

6. a kind of aircraft flight test effective sortie assessment method according to claim 5, is characterized in that: the weighted value of key parameter and be 0.5, the weighted value of important parameter and be 0.3, the weighted value of general parameters and be 0.2.