CN107085771A - A kind of aircraft technology situation quantitative model and its construction method - Google Patents
A kind of aircraft technology situation quantitative model and its construction method Download PDFInfo
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Abstract
The invention discloses a kind of aircraft technology situation quantitative model and its construction method, a kind of aircraft technology situation quantitative model is constructed by scientific and reasonable method, the model has the data structure of certain level, the data structure is by maintenance report data, engine performance data, reliability management data, engineering management data and general class data composition, every kind of packet contains respective data item, each data item is respectively defined as event argument or risk parameter, and have corresponding scoring logical sum point system, event argument is divided into A according to the order of severity of event, B, C, D, five grades of E, each grade has corresponding quantization score value.Quantitative model of the present invention can intuitively show the technology status of aircraft comprehensively, convenient inquiry, export and preserve related data, at the same can also second-mission aircraft send decision-making.
Description
Technical field
The present invention relates to aircraft maintenance reliability management field, and in particular to an aircraft technology situation quantitative model and its structure
Construction method.
Background technology
Airline when aircraft technology is sent, often face assessment aircraft technology situation the problem of, particularly special plane,
The important flight such as VIP, it usually needs arrange the best aircraft of technology status to perform.At present, selection is sent to fly in important flight
During machine, the method that domestic majority airline provides aircraft technology status data using related responsibility unit, to determine aircraft
State.This method generally has larger subjectivity, and every critical data is more dispersed, and inquiry is wasted time and energy.With
What aeronautical maintenance reliability management worked carries out in a deep going way, and reliability data acquisition system and analysis method are gradually improved, it is necessary to
Aircraft technology situation quantitative estimation method and model are set up, precisely efficiently offer decision support is sent for the technology of aircraft.
Need the data paid close attention to numerous when aircraft technology is sent, line maintenance report, retention fault/postponement maintenance etc.
Maintenance report data, engine exhaust temperature EGT nargin, EGT rate of change, fuel consumption rate of change and engine shake
The engine performance datas such as dynamic value, and use the reliability management numbers such as difficult report analysis, the theoretical reliability of annex in place
According to.Working condition is sent according to current important flight, these data are usually dispersed in different system modules, need to throw during inquiry
Enter more manpower and time, and be also easy to produce careless omission；In addition, different personnel for aircraft technology situation subjective judgement standard not
It is identical to the greatest extent, also bring along undesirable " human error ".
The content of the invention
It is an object of the invention to overcoming above-mentioned the deficiencies in the prior art there is provided a kind of aircraft technology situation quantitative model and
Its construction method.
To achieve the above object, the present invention uses following technical scheme：
A kind of aircraft technology situation quantitative model, the data structure with certain level, the data structure is reported by maintenance
Accuse data, engine performance data, reliability management data, engineering management data and general class data composition, every kind of packet
Containing respective data item, each data item is respectively defined as event argument or risk parameter, and has corresponding scoring logical sum
Point system, event argument is divided into five grades of A, B, C, D, E according to the order of severity of event, and each grade has corresponding quantization
Score value.
Further, maintenance report data include course line Trouble Report, are not turned off repeated failure, reservation work item
Mesh, postponement maintenance/retention fault and unfinished NRC；
Engine performance data include engine/APU performances, EGT nargin, vibration values, specific lubricating oil consumption, lubricating oil pressure and
Visit report in hole；
Reliability management data are good for including annex lifetime data, the warning being not turned off notice, using difficulty report and structure
Health parameter；Engineering management data are unfinished EO；
General class data are included away from the last time C inspection times, away from last time A inspection times, machine age.
Further, it is described be defined as event argument data item be：Course line Trouble Report, the repeatability event being not turned off
Barrier, the warning for retaining job, postponement maintenance/retention fault and unfinished NRC, being not turned off are noticed, using difficulty report, knot
Structure health parameters, unfinished EO.
Further, it is described be defined as risk parameter data item be：Engine/APU performances, EGT nargin, vibration
Report, annex lifetime data are visited, away from the last time C inspection times, away from last time A inspection times, machine in value, specific lubricating oil consumption, lubricating oil pressure, hole
Age.
Further, the event argument is divided into five grades of A, B, C, D, E, and imparting pair according to the order of severity of event
The quantization score value answered, it is specific as follows：
A grades：Catastrophic, aircraft accident, event more than great Ground accident may be caused by referring to；Quantifying score value is
9-10 points；
B grades：Especially severe, including：(1) general ground accident, air transportation accident proneness (2) may be caused to transport safely
Capable influence：Safety coefficient is greatly reduced, and body pressure or live load, which have reached, can not lean on the ability implement duty of itself
The degree of duty；It is 7-8 points to quantify score value；
C grades, serious, including：(1) influence of safe operation：Safety coefficient is larger to be declined, and operating personnel are because of live load
Increase, or because operating infulence ability to work declines, (2) externally influence：On blank pipe, airport, other companies, public's influence
Greatly；It is 5-6 points to quantify score value；
D grades, slight, including：(1) influence of safe operation：Operation is limited, and/operation is affected/loses employee hours
Or productivity ratio reduction, (2) externally influence：There is certain influence to blank pipe, airport, other companies, the public；It is 3-4 points to quantify score value；
It is E grades, insignificant, refer to the event having little to no effect；It is 1-2 points to quantify score value.
Further, the described scoring logical sum point system for formulating each data item in event argument, risk parameter, tool
Body such as following table：
A kind of construction method of aircraft technology situation quantitative model, comprises the following steps：
S1, selection characterize the Various types of data of aircraft technology situation, formulate rational data structure；
S2, each data item is respectively defined as event argument or risk parameter；
S3, according to the order of severity of event event argument is classified, it is qualitative, and assign corresponding quantization score value；
S4, the scoring logical sum point system for formulating each data item in event argument and risk parameter, form aircraft technology
Situation quantitative model.
After adopting the above technical scheme, the present invention has the following advantages that compared with background technology：
1st, aircraft technology situation quantitative model of the present invention, (1) intuitively shows the technology status of aircraft comprehensively, fills
Divide and incorporate all kinds of parameters and data related to aircraft technology situation, carrying out scientific and reasonable quantization to aircraft technology situation comments
Valency, intuitively shows the performance condition of unit and fleet, is sent for aircraft technology, the work such as sale of throwing a lease provide decision-making foundation,
Greatly improve operating efficiency；(2) convenient inquiry, export and preserve related data, can conveniently and efficiently be inquired about, show and
The functions such as export preservation, can clearly understand the technology status sequence of each aircraft, when the important flight such as VIP, special plane is sent
The aircraft being in a good state of health is arranged, to ensure the security and normality of flight；(3) can second-mission aircraft send decision-making, it is daily
Flight is sent in arrangement, health status quantitative evaluation result aid decision also can be used, for example, some remote Airport Technologies strength
It is relatively weak, arrange to select the preferable aircraft of health status to perform during its flight, probability of the aircraft in outer station failure can be reduced,
Reduce the generation of delay for a long time.
2nd, aircraft technology situation quantitative model construction method of the present invention, is built upon scientific and reasonable quantitative evaluation
On the basis of standard, subjectivity influence can be effectively reduced, aircraft technology situation is more accurately determined, so that building
The relatively reliable practicality of model.
Brief description of the drawings
Fig. 1 aircraft technology situations quantitative model displaying figure
Fig. 2 aircraft technology condition parameter structures
The decision logic of Fig. 3 maintaining healthy indexes and publicity
Fig. 4 ATA coding rules
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The aircraft technology situation quantitative model of embodiment 1
Aircraft technology situation quantitative model of the present invention is described in further details below.
According to maintenance engineering experience, the general thought for aircraft technology situation quantitative model is as follows：1st, new aircraft is approved
Designed reliability level is reached when dispatching from the factory, in complete healthy state；2nd, the design problem found in aircraft operation or generation
Failure, defect, and machine age increase the factors such as the performance degradation brought, the reliability level of aircraft will be reduced；3rd, periodically inspection
The execution of work card and related work is repaiied, the reliability level of aircraft can be recovered.
Based on above thinking, the parameter related to aircraft technology situation is selected, respective rule is summarized, calculates its value-at-risk,
The quantization score value of aircraft technology situation can then be drawn.
(1) term is defined
(1.1) event argument
In the factor of influence aircraft technology situation, some data do not have obvious rule to follow, and belong to what is occurred at random
Event, the project such as Trouble Report, repeated failure.Such factor is defined for event argument.
(1.2) risk parameter
Some data do not directly affect aircraft technology situation, but the probability that influence failure occurs.For example, aircraft part in place
Use time it is longer, the probability of its usual failure is bigger；With the growth in aircraft machine age, airframe structure, circuit occur aging,
The risk of corrosion will gradually increase；The time inspected periodically away from last time is longer, and the risk of related system failure is bigger.Define such
Factor is risk parameter.
(2) technology status model
It is full marks, the parameter of screening influence aircraft technology situation, according to parametric statistics to take aircraft Starting Technical condition score
Rule and maintenance engineering experience are formulated corresponding standards of grading and calculated, then can obtain characterizing the quantization point of aircraft technology situation
Value.In view of influence of most parameters to aircraft technology situation is negative, for unified standard, quantifies score result and use risk
Value Data (i.e. deduction).
(2.11) determination of event argument score value
With reference to the seriousness level index of Civil Aviation Industry security management system, event argument is classified, and is assigned to correspondence
Quantization score value.For the cumulative type event such as repeated failure, or the unfinished event such as retention fault, visual feelings increase quantifies point
Value.Because event argument (such as maintenance report, use difficult report) is mostly directly related with aircraft system chapters and sections (ATA),
Weighted value can be set, so that according to belonging to event to ATA chapters and sections significance level according to airplane design data and maintenance experience
ATA chapters and sections carry out quantifying score value evaluation.For example, the control of ATA21-51 components flow and refrigeration system weighted value are set as 5, certain frame
Nearly two weeks interior ATA21-51 maintenance reports of aircraft amount to 8, then the quantization score value of the machine maintenance report parameter is that 5*8 is 40 points.
The method carry out quantitative analysis by the attribute of the event argument bottom, can unify the amount of different types of data
Change standard, without changing weight setting by data type, computational methods are simple and reliable, while also having stronger scalability.
(2.2) determination of risk parameter score value
Risk parameter generally has each different regularity, it is necessary to reference to self-law and its to aircraft technology situation
Influence degree, formulates respective Quantitative Calculation Method.Such as aircraft critical component, particularly mechanical wear part, its probability of malfunction
Generally raised with the growth of use time in place, for this parameter, the history longevity that can be used according to part in fleet
Fate calculates the theoretical reliability R (t) in alar part part according to statistical distribution pattern is set up, and according to part to aircraft technology situation
Influence degree assign its weight, scored with parts R (t) and respective weights.
(3) Parameters data structure
Aircraft technology condition parameter classification is influenceed mainly to include maintenance report data, engine performance data, reliability pipe
Manage data, engineering management data and other data.
(3.1) maintenance report data
Maintenance report data refer to all kinds of Trouble Reports of aircraft, mainly include line maintenance report, regular inspection maintenance report with
And repeated failure, retention fault etc..Part in the same function system of aircraft is typically to be mutually related, such as air-conditioning system
Heat exchanger is seriously polluted, and also the air cycle machine performance in downstream can be impacted, or even damage air cycle machine fan leaf
Piece.Therefore, each maintenance report all can bring certain risk for Aircraft Health operation.When recent maintenance report quantity is more
When, the possibility of recurrence of failure, other concurrent failures or even duplicating property failure is also larger, now at the health status of aircraft
In reduced levels.Such data belong to event argument, corresponding weight can be set according to type ATA chapters and sections significance level, so that root
Scores accumulated are carried out according to the reporting quantities in the ATA chapters and sections weight and analytical cycle of maintenance report.
(3.2) engine performance data
Engine performance data refers to some key parameters related to engine performance, such as engine exhaust temperature
EGT nargin, EGT rate of change, fuel consumption rate of change and engine luggine value etc..Engine is the heart of aircraft,
Its performance is larger to the safety effects of aircraft, and current engine production producer is also sentenced using the method for performance parameter trend monitoring
Disconnected engine performance conditions.Such data belong to risk parameter, it is necessary to quantify point system according to parameter regularity setting.
(3.3) reliability management data
Reliability management data are including the use of difficulty report, reliability warning notice, component life data in place and knot
Structure health parameters.Refer to the abnormal event of the operation such as flight delay, cancellation using difficulty report, reliability warning notice is to fly
There is the notice that control is tracked when significant trouble, performance trend deterioration and Warning Event in machine, and this two item data belongs to event
Parameter, can carry out scores accumulated according to the reporting quantities in corresponding ATA chapters and sections weight and analytical cycle.Annex life-span number in place
According to the reliability for assessing aircraft crucial annex in place, this parameter belongs to risk parameter, using the theoretical reliability of annex
And the weight assigned is scored.Structural health parameter belongs to risk parameter, it is necessary to which the rule for summarizing aircaft configuration performance change is set
Quantification point system.
(3.4) engineering management data
Engineering management data mainly include the execution state of the applicable airworthiness directive of aircraft and related work.Airworthiness directive is
For the unsafe condition occurred in use in civil aviation product, a kind of mandatory check taken is required, changed
Positive measure uses limitation, and the airworthiness influence on aircraft is larger.This item data belongs to event argument, can be according to corresponding ATA chapters
Save weight and event number carries out scores accumulated.
(3.5) general class data
Other data refer mainly to machine age, away from conventional datas such as last time time between predetermined repairs.Such data belong to risk parameter, it is necessary to root
According to parameter, each rule setting quantifies point system.
(4) data sorting and displaying
Analysis and modeling method more than, set rational scoring logic and weighted value, you can obtain single rack aircraft with
And the technology status of whole fleet quantifies score table, so as to be ranked up and select.Aircraft technology situation is quantified into score value with flying
The contents such as mechanism type, flight limitation project are combined, then the effect of decision support can be given full play in aircraft technology is sent, is shown
For example shown in Fig. 1.
The structure of the aircraft technology situation quantitative model of embodiment 2
A kind of construction method of aircraft technology situation quantitative model of the present invention is described in further details below.
(1) parameter selection investigation and analysis
Aircraft technology condition evaluation, unified standard is had no in the industry in CAAC, it is therefore necessary to parameter is selected and carried out
Investigation, and determine the reasonability and weight of parameter using the theoretical method of science.
(1.1) list is investigated
Parameters data structure according to Fig. 1, and follow-up analytic hierarchy process (AHP) and the need of grey cluster scheduling theory analysis
Will, the investigation list that this project is formulated is as shown in the table.
(1.2) parameter selection analysis
Obtained investigation table is collected according to the working units of major airlines and civil aviaton at home, with analytic hierarchy process (AHP) and
After the analysis of grey cluster scheduling theory, finally determine that argument structure as shown in Figure 2 is more comprehensively reflected influence aircraft skill
The factor of art situation.
(2) parameter point system
Parameter point system is the key of aircraft technology situation quantitative evaluation, and parameter is divided into event argument and wind by this project
Dangerous parameter two types, after the fully regular content of research parameter, the rational point system that has been each parameter setting.
(2.1) maintenance report data
Maintenance report data belong to event argument, the ATA section numbers belonged to be its basic data, and can Efficient Characterization its
Seriousness degree.It therefore, it can the standard with reference to event argument seriousness grading and quantization, determine different ATA chapters and sections
Score weight, so as to carry out accumulation score according to the reporting quantities in ATA chapters and sections weight and analytical cycle.
(2.2) engine performance data
Engine performance data belongs to risk parameter, it is necessary to quantify point system according to parameter regularity setting.Engine is joined
Number differentiates that rule is relatively complicated, it is necessary to which experienced engineer is to its trend in normal engine performance monitoring work
Carry out artificial cognition." engine/APU performance trends warning " is engineer for leading to that the situation of performance trend anomaly is issued
Accuse, can be scored by " engine/APU performance trends are alerted " quantity and the weighted value of setting being not turned off.
EGT nargin belongs to risk parameter, can be scored according to EGT nargin (EGTM) numerical value according to different Concourse Divisions：(1)
EGTM≤30, not can perform important flight；(2) 30 ＜ EGTM ＜ 40, it is 30 points to take value-at-risk；(3) 40≤EGTM≤50, take wind
Danger value is 20 points；(4) EGTM ＞ 50, it is 0 to take value-at-risk.
Vibration values belong to risk parameter, can be scored according to vibration values (VIB) numerical value according to different Concourse Divisions：(1) VIB ＞
4, it not can perform important flight；(2) 2≤VIB≤4, it is 20 points to take value-at-risk；(3) VIB ＜ 2, it is 0 to take value-at-risk.
Specific lubricating oil consumption belongs to risk parameter, can be scored according to specific lubricating oil consumption (C) numerical value according to different Concourse Divisions：It is right
In 737-700 aircrafts：(1) C ＞ 1.16, not can perform important flight；(2) 0.58≤C≤1.16, it is 20 points to take value-at-risk；(3)
0.3≤C ＜ 0.58, it is 10 points to take value-at-risk；(4) C ＜ 0.3, it is 0 to take value-at-risk.For 737-800 aircrafts：(1) C ＞ 1.24,
It not can perform important flight；(2) 0.62≤C≤1.24, it is 20 points to take value-at-risk；(3) 0.3≤C ＜ 0.62, it is 10 to take value-at-risk
Point；(4) C ＜ 0.3, it is 0 to take value-at-risk.
Lubricating oil pressure belongs to risk parameter, can be scored according to lubricating oil pressure (P) numerical value according to different Concourse Divisions：(1)P≥
60, it not can perform important flight；(2) 55 ＜ P ＜ 60, it is 20 points to take value-at-risk；(3) 55≤P≤50, it is 10 points to take value-at-risk；
(4) P ＜ 50, it is 0 to take value-at-risk.
Report category risk parameter is visited in hole, and " the concern rank " that can visit report according to hole is scored：(1) concern rank is
" paying close attention to ", it is 30 to take value-at-risk；(2) concern rank is " general concern ", and it is 15 points to take value-at-risk.
(2.3) reliability management data
Belong to event argument using difficulty report and reliability warning notification data, ATA section numbers are also its basic data, together
Sample can carry out accumulation score according to the reporting quantities in corresponding ATA chapters and sections weight and analytical cycle.
Component life data in place belong to risk parameter, and its point system is as follows：
A) crucial annex is selected, corresponding power is set to the influence degree of aircraft technology situation according to the crucial annex of each single item
Weight；
B) the theoretical unreliable degree F (t) of annex in place is calculated according to fleet history lifetime data, the value-at-risk of the annex is taken
For " F (t) × annex weighted value ".
Structural health parameter belongs to risk parameter, it is necessary to which the rule setting for summarizing aircaft configuration performance change quantifies score side
Method.Specific point system is as follows：
If a is maintaining healthy index, b is that the flight that the machine examines target date to calculation date interval from the last time C is small
When (aerial), c for the type C inspection standard cycle interval (hour), decision logic and formula such as Fig. 3 institutes of maintaining healthy index
Show.Structural health score value=(1-a/100) * quantifies score value.
(2.4) engineering management data
Engineering management data belong to event argument, and the execution of the technological document such as AD, SB is all by Engineering Order (EO)
Come what is realized, therefore accumulation score can be carried out according to corresponding ATA chapters and sections weight and unfinished EO quantity.
(2.5) other data
Other data belong to risk parameter, it is necessary to which each rule setting quantifies point system according to parameter.
For machine age parameter, airframe structure burn into aging circuit equivalent risk is related to machine age, can be according to actual machine age with flying
The ratio of machine useful life and the weighted value of imparting are scored.
Work is inspected periodically for being examined away from last time A/C in time parameter, Aircraft Maintenance Program, system can be found in advance
Defect, effectively recovers the performance of aircraft；And it is longer apart from the last time A/C inspection times, the probability of failure is higher, can be according to away from upper
The secondary A/C inspection real times examine the ratio of time interval with corresponding A/C and the weighted value of imparting is scored.
(3) ATA chapters and sections weight setting and checking analysis
ATA chapters and sections weighted values, are the bases of event argument quantum chemical method, it is therefore necessary to using the theory side of objective science
Method is verified.
ATA section numbers are Air Transport Association of America (Air Transport Association of America, abbreviation
ATA) a kind of specification that can be jointly formulated with aeronautical manufacture business and airline, to unified various institutes of civil aviation product manufacturer
The numbering for the various technical data published.As shown in figure 4, containing system, subsystem and the component of aircraft, letter in ATA numberings
Breath amount is enriched., can be with reference to event argument seriousness grading and quantization from engineering design data and the latitude of maintenance experience
Standard, be that ATA sets different weight score values.Further, it is also possible to be verified using gray system theory to ATA weights.
By taking the control of 737NG aircraft ATA21-61 regional temperatures and instruction system as an example, its systemic-function is：Regional temperature control
System and instruction system are used for the temperature for controlling driving cabin, fore cabin and rear main cabin, and provide corresponding indicate.Installed in driving cabin
And the temperature sensor in main cabin gathers corresponding temperature data, component/area temperature controller is according to actual temperature and from temperature
The signal of control panel is spent, control and operation signal to air conditioning services component (ACAU) is sent and carries out temperature control.Installed in visitor
The temp probe of cabin and air-conditioning duct monitors and sends temperature data to temperature control panel and indicated；Mistake on steam line
Thermoelectricity door, when temperature is beyond limitation, halt system is operated, and provides overheat indication signal.
Trouble Report data to 24 middle of the month of the system carry out statistical analysis, obtain major failure performance, quantity and tight
Principal characteristic grade.Assessed according to engineering experience, the control of ATA21-61 regional temperatures and instruction system severity level in analytical cycle
Be C grades of number of faults accountings up to 89%, it is only 11% that remaining is total.Comprehensive Assessment ATA21-61 failure effect severity levels
For C, it is 5 to quantify score value (weight).Meanwhile, according to the result of gray system theory, ATA21-61 weight settings are to close for 5
Reason.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (7)
1. a kind of aircraft technology situation quantitative model, it is characterised in that：Data structure with certain level, the data structure
It is made up of maintenance report data, engine performance data, reliability management data, engineering management data and general class data, often
Plant packet and contain respective data item, each data item is respectively defined as event argument or risk parameter, and has corresponding comment
Point logical sum point system, event argument is divided into five grades of A, B, C, D, E according to the order of severity of event, and each grade has pair
The quantization score value answered.
2. a kind of aircraft technology situation quantitative model according to claim 1, it is characterised in that：
The maintenance report data include data item：Course line Trouble Report, the repeated failure being not turned off, retain job,
Postpone maintenance/retention fault and unfinished NRC；
The engine performance data includes data item：Engine/APU performances, EGT nargin, vibration values, specific lubricating oil consumption, cunning
Report is visited in oil pressure and hole；
The reliability management data include data item：Annex lifetime data, the warning being not turned off notice, using difficulty report and
Structural health parameter；
The engineering management data item：Unfinished EO；
The general class data include data item：Away from the last time C inspection times, away from last time A inspection times, machine age.
3. a kind of aircraft technology situation quantitative model according to claim 1, it is characterised in that：It is described to be defined as event
The data item of parameter is：Course line Trouble Report, the repeated failure being not turned off, reservation job, postponement maintenance/retention fault
With unfinished NRC, the warning notice being not turned off, using difficult report, structural health parameter, unfinished EO.
4. a kind of aircraft technology situation quantitative model according to claim 1, it is characterised in that：It is described to be defined as risk
The data item of parameter is：Engine/APU performances, EGT nargin, vibration values, specific lubricating oil consumption, lubricating oil pressure, hole visit report, it is attached
Part lifetime data, away from last time C inspection the time, away from last time A inspection the time, machine age.
5. a kind of aircraft technology situation quantitative model according to claim 1, it is characterised in that：The event argument according to
The order of severity of event is divided into five grades of A, B, C, D, E, and assigns corresponding quantization score value, specific as follows：
A grades：Catastrophic, aircraft accident, event more than great Ground accident may be caused by referring to；Quantization score value is 9-10
Point；
B grades：Especially severe, including：(1) general ground accident, air transportation accident proneness (2) safe operation may be caused
Influence：Safety coefficient is greatly reduced, and body pressure or live load, which have reached, can not lean on the ability implement responsibility of itself
Degree；It is 7-8 points to quantify score value；
C grades, serious, including：(1) influence of safe operation：Safety coefficient is larger to be declined, and operating personnel increase because of live load
Plus, or because operating infulence ability to work declines, (2) externally influence：It is big on blank pipe, airport, other companies, public's influence；
It is 5-6 points to quantify score value；
D grades, slight, including：(1) influence of safe operation：Operation is limited, and/operation is affected/loses employee hours or life
Yield is reduced, and (2) externally influence：There is certain influence to blank pipe, airport, other companies, the public；It is 3-4 points to quantify score value；
It is E grades, insignificant, refer to the event having little to no effect；It is 1-2 points to quantify score value.
6. a kind of aircraft technology situation quantitative model according to claim 1, it is characterised in that：The event argument, wind
The scoring logical sum point system of each data item, table specific as follows in dangerous parameter：
7. a kind of construction method of aircraft technology situation quantitative model, comprises the following steps：
S1, selection characterize the Various types of data of aircraft technology situation, formulate rational data structure；
S2, each data item is respectively defined as event argument or risk parameter；
S3, according to the order of severity of event event argument is classified, it is qualitative, and assign corresponding quantization score value；
S4, the scoring logical sum point system for formulating each data item in event argument and risk parameter, form aircraft technology situation
Quantitative model.
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Cited By (4)
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| CN108021739A (en) * | 2017-11-22 | 2018-05-11 | 中国北方发动机研究所(天津) | A kind of high-power military diesel machine Real-Time Model parameter Impact analysis method |
| CN108320212A (en) * | 2018-01-30 | 2018-07-24 | 携程旅游网络技术（上海）有限公司 | Flight Information exchange method |
| CN109377030A (en) * | 2018-10-09 | 2019-02-22 | 中国民航科学技术研究院 | Calculation method, electronic equipment and the storage medium of aircraft risk case value-at-risk |
| RU2716324C1 (en) * | 2019-08-14 | 2020-03-11 | Федеральное Государственное унитарное предприятие Государственный научно-исследовательский институт гражданской авиации (ФГУП ГосНИИ ГА) | Automated expert system for quantitative assessment of airline aircraft flights safety risks |
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| CN101770602A (en) * | 2008-12-31 | 2010-07-07 | 国立成功大学 | Flight safety margin risk evaluating method, specialist system and establishing method thereof |
| CN101853320A (en) * | 2010-05-17 | 2010-10-06 | 北京航空航天大学 | Fuzzy comprehensive evaluation method suitable for aircraft structure corrosion damage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021739A (en) * | 2017-11-22 | 2018-05-11 | 中国北方发动机研究所(天津) | A kind of high-power military diesel machine Real-Time Model parameter Impact analysis method |
| CN108320212A (en) * | 2018-01-30 | 2018-07-24 | 携程旅游网络技术（上海）有限公司 | Flight Information exchange method |
| CN108320212B (en) * | 2018-01-30 | 2020-12-18 | 携程旅游网络技术（上海）有限公司 | Flight information interaction method |
| CN109377030A (en) * | 2018-10-09 | 2019-02-22 | 中国民航科学技术研究院 | Calculation method, electronic equipment and the storage medium of aircraft risk case value-at-risk |
| RU2716324C1 (en) * | 2019-08-14 | 2020-03-11 | Федеральное Государственное унитарное предприятие Государственный научно-исследовательский институт гражданской авиации (ФГУП ГосНИИ ГА) | Automated expert system for quantitative assessment of airline aircraft flights safety risks |
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Application publication date: 20170822 |