CN110503322A - A kind of Military Maintenance appraisal procedure - Google Patents
A kind of Military Maintenance appraisal procedure Download PDFInfo
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- CN110503322A CN110503322A CN201910745852.6A CN201910745852A CN110503322A CN 110503322 A CN110503322 A CN 110503322A CN 201910745852 A CN201910745852 A CN 201910745852A CN 110503322 A CN110503322 A CN 110503322A
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Abstract
The invention discloses a kind of Military Maintenance appraisal procedures, comprising the following steps: the fault message of step 1, statistics equipment or complete machine；Step 2 carries out analytical calculation to relevant fault based on mean repair time model with assessment equipment or the maintainability of complete machine；The mean repair time model are as follows:Wherein,For mean repair time,For the sum of maintenance time, n is failure sum；Step 3, the maintainability that equipment or complete machine said system or structure are traced by the maintainability of equipment or complete machine；The present invention solves the problems, such as that traditional average repair time model may not apply to Aircraft Flight Test stage maintainability distribution, is effectively assessed by the model after conversion Aircraft Flight Test stage maintainability, by determining that relevant fault and effective repair time guarantee accuracy, the beneficial effect of maintainability distribution more rapidly and efficiently of maintainability distribution.
Description
Technical field
The invention belongs to the technical fields of Aircraft Flight Test stage maintainability distribution, and in particular to a kind of Military Maintenance assessment
Method.
Background technique
Modern High-Tech's aircraft equipment uses a large amount of new technologies, new method, and performance is continuously improved, and complexity is also significantly
Increase, so that also just more stringent requirements are proposed to the maintainability of aircraft itself.Shadow of the maintainability to Operational Effectiveness of Weapon Equipment
The important function for making people gradually recognize research maintainability is rung, the important elements that maintainability is also fighting capacity have been accepted.Dimension
Repairing property index has penetrated into each stage of weapons SoS.For Modern Aeronautic Equipment, Maintainability index requires and property
Energy index request is of equal importance, and improves Mission Success rate to equipment fighting capacity is improved, and attenuating expense etc. produces
Great influence is given birth to.
It takes a flight test stage first-fly, the adjustment bulk information taking a flight test, generated during proving flight task for military secret, is to set
Most, most important input is improved in meter change, is that maintainability distribution is traced to the source the important composition content of information, to parent dynamic change
The data information of front and back, which accumulated, analyzes assessment is whether aircraft is mature on the whole, and is verifying and promotes parent maintainability perfect
Important means, and can enter validation phase important judging basis.Therefore system or equipment is done in the Aircraft Flight Test stage
MTTR (mean repair time) assessment can be effectively aircraft, the capability of maintenance design improvement of system and airborne products provides foundation,
Advanced optimize maintenance accessi bility, standardization and interchangeability, the convenience of checkout and diagnosis and rapidity, maintenance safety, anti-difference
Wrong measure and identification label, human-water harmony etc., so that the maintainability for improving aircraft is horizontal.MTTR mathematics provided by basic science
Calculation formulaIn, λ in formulaiFor failure rate, MctiFor the mean repair time for replacing i-th of unit, take a flight test
Production links can not directly obtain λi、MctiValue, therefore this formula can not be used directly in the stage of taking a flight test, rank of taking a flight test
Section can obtain faulty equipment and maintenance time from the EBOM system for taking a flight test Trouble ticket and intra-company's operation, though these data
It is very abundant, it may be used as the basic data of system or equipment MTTR analysis, but data are many and diverse, manually count time-consuming and laborious.It is existing
Maintainability distribution mathematical model is to carry out design, this mathematics with traditional average repair time model formation for basic algorithm
Model is suitable for design statistics, can not match the maintainability distribution in phase process of taking a flight test.Therefore, in phase process of taking a flight test
Maintainability distribution propose a kind of Military Maintenance appraisal procedure.
Summary of the invention
It can not be suitable for the maintainability distribution Aircraft Flight Test phase process for existing average repair time model
Problem, the purpose of the present invention is to provide a kind of Military Maintenance appraisal procedure, establish it is a kind of it is new being capable of Aircraft Flight Test rank
Fault related data during section is converted into the support data of average repair time model, and then assesses maintainability, thus shape
At Aircraft Flight Test stage maintainability mathematical evaluation model is suitable for, effectively commenting to Aircraft Flight Test stage maintainability is effectively realized
Estimate.
The present invention is achieved through the following technical solutions:
A kind of Military Maintenance appraisal procedure, comprising the following steps:
The fault message of step 1, statistics equipment or complete machine；
Step 2 carries out analytical calculation to relevant fault based on mean repair time model with assessment equipment or the dimension of complete machine
Repairing property；The mean repair time model are as follows:Wherein, MctiFor mean repair time,When to repair
The sum of between, n is failure sum；
Step 3, the maintainability that equipment or complete machine said system or structure are traced by the maintainability of equipment or complete machine.
Tradition to the assessment of repairing property of equipment is put down when calculating relevant device failure based on mean repair time model
Equal maintenance time, and then assess the maintainability of faulty equipment, corresponding mean repair time model are as follows:
Wherein, λiFor equipment failure rate, MctiFor the average reparation for replacing i-th of trouble unit
Time, but for the maintainability distribution situation of relevant device or complete machine during Aircraft Flight Test, in Aircraft Flight Test production scene
During control, repair finished product, the time overwhelming majority of the product failures such as remediation management be wait new component show up and directly into
The time of row replacement failure part, therefore it is not actually traditional be averaged that the failure part, which returns the time consumed by repair in shop reason or cancelling stocks,
Required practical maintenance time in repair time model.Meanwhile the equipment event needed in traditional mean repair time model
Barrier rate, which needs to count after testing repeatedly and mass data accumulates, to be obtained, but is directed to Aircraft Flight Test process, corresponding equipment
Once breaking down will cause serious economic loss or casualties, while corresponding faulty equipment is difficult to back when Aircraft Flight Test
It takes in row fault data to test repeatedly or cumulative statistics, therefore the equipment failure rate needed in traditional mean repair time model
It can not be collected in production scene of taking a flight test.Therefore, it is commented for the maintainability of relevant device during Aircraft Flight Test or complete machine
Estimate situation, traditional average repair time model can not be applicable in.
The present invention is from the basic definition of mean repair time MTTR, i.e. MctiFor on any defined maintenance level
Total repairing time and be repaired the ratio between total failare number of product, and total repairing time be it is any as defined in it is each on maintenance level therefore
The sum of maintenance time of barrier.According to above-mentioned definition, traditional average repair time model is converted, obtains being suitable for aircraft
The average repair time model of relevant device or the maintainability distribution of complete machine during taking a flight test are as follows:
Wherein,For mean repair time,For the sum of maintenance time, n is failure sum.
By will be in traditional average repair time modelIt is converted intoIt is directed to Aircraft Flight Test
Process maintainability distribution, using the sum of maintenance timeReplaceIt ensure that the validity of assessment；Passing through will
In traditional average repair time modelIt is converted into n, that is, Aircraft Flight Test process maintainability distribution is directed to, using failure
Total n is instead of the sum of equipment failure rateAvoid the sum of equipment failure rate during Aircraft Flight TestIt can not
The problem of statistics gatherer.By calculating the sum of maintenance timeDuring obtaining Aircraft Flight Test with the ratio of failure sum n
The average repair time of relevant deviceThen pass through average repair timeTo relevant device during Aircraft Flight Test
Maintainability is assessed.
The repairing property of relevant device during Aircraft Flight Test is analyzed by the average repair time model after conversion
Afterwards, the maintainability of system belonging to relevant device or structure can also be related by the maintainability of equipment, and then is realized to one
The maintainability of system or structure carries out total evaluation.
In order to preferably realize the present invention, further, for individual equipment,For all completed realities of taking a flight test
Test the sum of the maintenance time in the failure of equipment；For complete machine,For events all in all completed experiment in flight test
The sum of maintenance time in barrier；For individual equipment, n is the quantity of the failure of equipment in all completed experiment in flight test；Needle
To complete machine, n is the quantity of failure all in all completed experiment in flight test.
In order to preferably realize the present invention, further, before step 2 by the fault message of the equipment of statistics or complete machine
It is classified as relevant fault and non-relevant fault.
In the real process of Aircraft Flight Test, cause the factor of equipment fault numerous, but not all failure because
Element or failure can be actively engaged in the maintainability of assessment corresponding failure equipment, therefore before the assessment of repairing property, need
The fault message of statistics is divided into relevant fault and non-relevant fault, relevant fault is used for the maintainability of assessment equipment, non-pass
Connection failure is then thrown aside.Relevant fault refers generally to failure caused by defect present in the design as equipment itself, manufacture, or with
Failure caused by the defect of the relevant software of equipment itself；Non-relevant fault generally refers to the personnel unrelated with equipment defect itself
It operates, be artificially introduced, failure caused by the extraneous factors such as off-design conditions, remaining unrelated equipment.
In order to preferably realize the present invention, further, the relevant fault includes due to design defect or manufacturing process
Failure caused by bad causes the part of equipment fault, finite lifetime since component latent defect causes component failure
Failure, the intermittent fault of first time appearance, the event due to caused by the defect of embedded software occurred before guideline lives terminate
Hinder, because offing normal adjustment caused by failure；The non-relevant fault include as maloperation and caused by failure, due to check or
The man-made fault of maintenance personal's introducing, finite lifetime components are more than the failure occurred later in the guideline lives time limit, exceed and design
It is required that overstress condition caused by failure, the replacement of product of regulation periodic replacement, changing dedicated for parameter testing of taking a flight test
Failure caused by the raw failure of installing preparation and the failure being induced by it, improper external environment, misjudgement failure, debugging check and correction,
Second and the successive batch failure, pilot personal equipment failure, false-alarm that same position occurs.
In order to preferably realize the present invention, further, it is being calculated by repairing property of average repair time model
Before, invalid maintenance time and effective repair time will be divided into maintenance time.
After relevant fault has been determined, it is also necessary to determine the effective repair time in relevant fault and invalid maintenance time,
Effective repair time is used for the maintainability of assessment equipment, and invalid maintenance time throws aside.
In order to preferably realize the present invention, further, when the effective repair time includes fault location time, changes part
Between, change detection time after part；The invalid maintenance time includes maintenance condition time.
In order to preferably realize the present invention, further, believed by the failure of typing in take a flight test Trouble ticket and EBOM system
The fault message of breath statistics equipment or complete machine.
During carrying out Aircraft Flight Test experiment, pass through Trouble ticket and the real-time dynamic typing failure letter of EBOM system of taking a flight test
Breath, passes through the fault message real-time dynamic statistical equipment of typing or the fault message of complete machine, the event of the equipment or complete machine that make
It is more complete to hinder information, is more bonded actual Aircraft Flight Test process.
It, further, will be in the name information of faulty equipment or complete machine and design EBOM in order to preferably realize the present invention
Affiliated aircraft system or structure hook, are traced by the maintainability of faulty equipment or complete machine and are flown belonging to faulty equipment or complete machine
The maintainability of machine system or structure.
It is set by the son of each system or structure and each system or structure subordinate during design EBOM typing Aircraft Flight Test
Standby or complete machine fault message, sub- equipment or complete machine are linked up with by name information and affiliated system or structure, then are set by son
The micro- maintainability of standby or complete machine, matching design EBOM can quick hook trace the dimension of system belonging to sub- equipment or complete machine or structure
Repairing property, and then realize the maintainability total evaluation from point to block.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) present invention is on the basis of based on traditional average repair time model, for Aircraft Flight Test stage failure
Feature carries out adaptability conversion to traditional average repair time model, using the sum of maintenance timeReplace traditional mould
In typeReplaced in conventional model using failure sum nMake the event counted during Aircraft Flight Test
Barrier data can be suitable for the average repair time model after converting, so that the maintainability to the Aircraft Flight Test stage is effectively commented
Estimate；
(2) present invention is by being classified as relevant fault and non-for the fault message of statistics before the assessment of repairing property
Relevant fault participates in maintainability distribution using relevant fault, and non-relevant fault is thrown aside, and avoids non-relevant fault to maintainability distribution
It impacts, guarantees the accuracy of final maintainability distribution；
(3) present invention is by the way that before the assessment of repairing property, maintenance time involved in relevant fault has been classified as
Maintenance time and invalid maintenance time are imitated, maintainability distribution is participated in using effective repair time, invalid maintenance time throws aside, avoids
Invalid maintenance time impacts maintainability distribution, is further ensured that the accuracy of final maintainability distribution；
(4) present invention by way of typing fault message, is set taking a flight test Trouble ticket in conjunction with EBOM system in Soviet Union Yao Tongji
Fault message directly is transferred from take a flight test Trouble ticket and EBOM system when standby fault message, acquires fault message compared to artificial,
More efficient quick, closer to Aircraft Flight Test dynamic process；Simultaneously by EBOM system, by the maintenance of equipment or complete machine
Property linked up with by name information and affiliated system or structure, pass through system or knot belonging to the retrospect of the maintainability of equipment or complete machine
The maintainability of structure, to realize the whole maintainability distribution to system or structure.
Detailed description of the invention
Fig. 1 is Military Maintenance assessment models analysis flow chart diagram；
Fig. 2 is Military Maintenance assessment models implementation flow chart；
Fig. 3 is EBOM structural appraisal architecture diagram.
Specific embodiment
Embodiment 1:
A kind of Military Maintenance appraisal procedure of the present embodiment, as depicted in figs. 1 and 2, comprising the following steps:
The fault message of step 1, statistics equipment or complete machine；
Step 2 carries out analytical calculation to relevant fault based on mean repair time model with assessment equipment or the dimension of complete machine
Repairing property；The mean repair time model are as follows:Wherein, MctiFor mean repair time,When to repair
The sum of between, n is failure sum；
Step 3, the maintainability that equipment or complete machine said system or structure are traced by the maintainability of equipment or complete machine.
The present invention is directed to the maintainability distribution of equipment during Aircraft Flight Test, before the assessment of repairing property, unites first
Meter flies the fault message statistical collection of each equipment or complete machine during taking a flight test.
For Aircraft Flight Test process, traditional average repair time modelIt cannot be applicable in, wherein
MctiFor mean repair time, λiFor equipment failure rate, MctiFor the mean repair time for replacing i-th of trouble unit.For setting
Standby failure rate λi, the equipment failure rate λ of traditional equipmentiIt is to be carried out during equipment failure several times to the failure rate of equipment
It counts or test repeatedly is carried out to equipment and obtain, it will but once break down for the relevant device during Aircraft Flight Test
Serious economic loss or casualties are caused, i.e., the failure rate statistics after can not carrying out multiple failure.Aircraft Flight Test mistake simultaneously
Due to its structure, the particularity used, the traditional equipment of the no image of Buddha equally carries out repetition test and obtains number relevant device in journey
According to.Meanwhile the mean repair time M of i-th of trouble unit of replacement in traditional average repair time modelctiCan not carry out
Effectively acquisition statistics, because for the maintainability distribution situation of relevant device or complete machine during Aircraft Flight Test, in Aircraft Flight Test
During the control of production scene, the time overwhelming majority for repairing the product failures such as finished product, remediation management is that new component is waited to show up
And the time of replacement failure part is directly carried out, therefore it is not actually to pass that the failure part, which returns the time consumed by repair in shop reason or cancelling stocks,
Required practical maintenance time in the mean repair time model of system, for existing for traditional average repair time model not
The defect that can be suitably used for Aircraft Flight Test process maintainability distribution needs to convert traditional average repair time model.
The average repair time model suitable for Aircraft Flight Test process maintainability distribution after conversion are as follows:
Wherein MctiFor mean repair time,For the sum of maintenance time, n is failure sum.
Compared to traditional average repair time modelUsing the sum of maintenance timeIt takes
GenerationReplaced using failure sum nThe problem of related data can not acquire statistics is avoided, and then is made
Average repair time model after conversionIt can be suitable for the maintainability distribution of Aircraft Flight Test process.
After relevant individual equipment or independent repairing property of complete machine are assessed during to Aircraft Flight Test, it can also relate
Total system described in individual equipment or independent complete machine or integrally-built maintainability, and then realize to total system or whole knot
Structure carries out whole maintainability distribution.
Embodiment 2:
The present embodiment advanced optimizes on the basis of embodiment 1, for individual equipment,It is completed to be all
Experiment in flight test in equipment relevant fault in the sum of effective repair time；For complete machine,It is all completed
The sum of effective repair time in experiment in flight test in all relevant faults；For individual equipment, n is all completed realities of taking a flight test
Test the quantity of the relevant fault of middle equipment；For complete machine, n is the number of relevant fault all in all completed experiment in flight test
Amount.
Average repair time model after conversionCan be used for during Aircraft Flight Test individual equipment or
Independent repairing property of complete machine assessment, such as assesses single motor or individual repairing property of engine.
As shown in table 1, the average dimension for single equipment, compared with traditional average repair time model, after conversion
The relevant parameter for repairing time model is as follows:
1. individual equipment maintainability distribution parameter of table corresponds to table
As shown in table 2, the average dimension for individual complete machine, compared with traditional average repair time model, after conversion
The relevant parameter for repairing time model is as follows:
The independent complete machine maintainability distribution parameter of table 2. corresponds to table
In all completed Flight Tests of certain aircraft the quantity of Trouble ticket and maintenance time in Trouble ticket both from
The Trouble ticket data statistics generated in the stage of taking a flight test obtains, and wherein maintenance time is to occur from failure, i.e., Trouble ticket be generated to therefore
Hinder return-to-zero-time, finished product or facility information involved by quantity and failure related data can be counted or be counted in called data library
It obtains.
The other parts of the present embodiment are same as Example 1, and so it will not be repeated.
Embodiment 3:
The present embodiment advanced optimizes on the basis of above-described embodiment 1 or 2, before step 2 by the equipment of statistics
Or the fault message of complete machine is classified as relevant fault and non-relevant fault.
In the real process of Aircraft Flight Test, cause the factor of equipment fault numerous, but not all failure because
Element or failure can be actively engaged in the maintainability of assessment corresponding failure equipment, therefore before the assessment of repairing property, need
The fault message of statistics is divided into relevant fault and non-relevant fault, relevant fault is used for the maintainability of assessment equipment, non-pass
Connection failure is then thrown aside.Relevant fault refers generally to failure caused by defect present in the design as equipment itself, manufacture, or with
Failure caused by the defect of the relevant software of equipment itself；Non-relevant fault generally refers to the personnel unrelated with equipment defect itself
It operates, be artificially introduced, failure caused by the extraneous factors such as off-design conditions, remaining unrelated equipment
The relevant fault include as design defect or manufacturing process it is bad caused by failure, due to component it is potential lack
The sunken failure for causing component failure and the part of equipment fault, finite lifetime being caused to occur before guideline lives terminate, first
The intermittent fault of secondary appearance, the failure due to caused by the defect of embedded software, because offing normal adjustment caused by failure；It is described non-
Relevant fault include as maloperation and caused by failure, due to check or maintenance personal introduce man-made fault, finite lifetime
Components are more than failure caused by the failure occurred later in the guideline lives time limit, the overstress condition beyond design requirement, regulation
The replacement of the product of periodic replacement, dedicated for parameter testing of taking a flight test conversion unit occur failure and be induced by it therefore
Second and the successive batch that failure caused by barrier, improper external environment, misjudgement failure, debugging check and correction, same position occur
Failure, pilot personal equipment failure, false-alarm.
The other parts of the present embodiment are identical as above-described embodiment 1 or 2, and so it will not be repeated.
Embodiment 4:
The present embodiment advanced optimizes on the basis of above-described embodiment any one of 1-3, is passing through average repair time
Before repairing property of model calculates, invalid maintenance time and effective repair time will be divided into maintenance time.
Breakdown maintenance process during Aircraft Flight Test has the characteristics that the stage is more, span is long, entire maintenance process when
Between can not be calculated as the final maintenance time for participating in maintainability distribution.Such as a certain equipment during Aircraft Flight Test
Repair, maintenance process may include spare part early period, spare part in place, fault detection, breakdown maintenance, parts replacement, after maintenance
In the stages such as detection, the process really acted directly on faulty equipment in above-mentioned maintenance process only includes fault detection, failure
Four-stage is detected after maintenance, parts replacement, maintenance, and four ranks are detected after fault detection, breakdown maintenance, parts replacement, maintenance
The maintenance time of section belongs to effective repair time.And in place although the two stages belong to and entirely repaired for spare part early period, spare part
Journey, but maintainability is not had a direct impact, therefore the maintenance time in spare part early period, spare part the two stages in place belongs to
In invalid maintenance time.Therefore, it for distinct device or the maintenance process of complete machine, needs to draw the maintenance time of each maintenance process
It is divided into effective repair time and invalid maintenance time, only effective repair time participates in subsequent maintenance assessment.
The effective repair time includes fault location time, changes the part time, changes detection time after part；The invalid maintenance
Time includes maintenance condition time
The other parts of the present embodiment are identical as any one of above-described embodiment 1-3, and so it will not be repeated.
Embodiment 5:
The present embodiment advanced optimizes on the basis of above-described embodiment any one of 1-4, by take a flight test Trouble ticket with
The fault message statistics equipment of typing in EBOM system or the fault message of complete machine.
During Aircraft Flight Test, staff by the fault message of each equipment of the real-time dynamically recording of Trouble ticket of taking a flight test,
Typing fault message is uploaded by EBOM system simultaneously, when needing to carry out the fault message statistics of equipment or complete machine, directly from examination
Fly to transfer fault message in Trouble ticket and EBOM system.
The other parts of the present embodiment are identical as any one of above-described embodiment 1-4, and so it will not be repeated.
Embodiment 6:
The present embodiment advanced optimizes on the basis of above-described embodiment any one of 1-5, by faulty equipment or complete machine
Name information is linked up with aircraft system or structure affiliated in design EBOM, is passed through the maintainability of faulty equipment or complete machine and is traced event
Hinder the maintainability of aircraft system belonging to equipment or complete machine or structure.
The aircraft system or structure that include in the name information of faulty equipment or complete machine and design EBOM are linked up with, can be traced
System belonging to equipment or complete machine or structural information, assess the maintainability of corresponding system or structure, and more conducively maintenance of equipment is commented
Estimate analysis and amending advice is proposed to design, EBOM structural appraisal framework is as shown in Figure 3.
The other parts of the present embodiment are identical as any one of above-described embodiment 1-5, and so it will not be repeated.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (8)
1. a kind of Military Maintenance appraisal procedure, which comprises the following steps:
The fault message of step 1, statistics equipment or complete machine；
Step 2 carries out analytical calculation to relevant fault based on mean repair time model with assessment equipment or the maintainability of complete machine；
The mean repair time model are as follows:Wherein,For mean repair time,For maintenance time it
It is failure sum with, n；
Step 3, the maintainability that equipment or complete machine said system or structure are traced by the maintainability of equipment or complete machine.
2. a kind of Military Maintenance appraisal procedure according to claim 1, which is characterized in that it is directed to individual equipment,
For the sum of the effective repair time in the relevant fault of equipment in all completed experiment in flight test；For complete machine,For
The sum of effective repair time in all completed experiment in flight test in all relevant faults；For individual equipment, n be it is all
The quantity of the relevant fault of equipment in the experiment in flight test of completion；For complete machine, n is all in all completed experiment in flight test
The quantity of relevant fault.
3. a kind of Military Maintenance appraisal procedure according to claim 1 or 2, which is characterized in that before step 2 will system
The equipment of meter or the fault message of complete machine are classified as relevant fault and non-relevant fault.
4. a kind of Military Maintenance appraisal procedure according to claim 3, which is characterized in that the relevant fault include by
The failure caused by design defect or manufacturing process are bad causes equipment since component latent defect causes component failure
Failure, finite lifetime part occur before guideline lives terminate failure, for the first time occur intermittent fault, due to embedded
Failure caused by the defect of software, he because offs normal adjustment caused by failure；The non-relevant fault includes being made due to maloperation
At failure, due to check or maintenance personal introduce man-made fault, finite lifetime components be more than the guideline lives time limit after
Failure caused by the failure of appearance, the overstress condition beyond design requirement, the replacement of the product of regulation periodic replacement, special use
The failure caused by the failure that the conversion unit for parameter testing of taking a flight test occurs and the failure being induced by it, improper external environment,
Second and the successive batch failure, pilot personal equipment failure, false-alarm that misjudgement failure, debugging check and correction, same position occur.
5. a kind of Military Maintenance appraisal procedure according to claim 1 or 2, which is characterized in that passing through average maintenance
Before repairing property of time model calculates, invalid maintenance time and effective repair time will be divided into maintenance time.
6. a kind of Military Maintenance appraisal procedure according to claim 5, which is characterized in that the effective repair time packet
Fault location time is included, the part time is changed, changes detection time after part；The invalid maintenance time includes maintenance condition time.
7. a kind of Military Maintenance appraisal procedure according to claim 1, which is characterized in that by take a flight test Trouble ticket with
The fault message statistics equipment of typing in EBOM system or the fault message of complete machine.
8. a kind of Military Maintenance appraisal procedure according to claim 1, which is characterized in that by faulty equipment or complete machine
Name information is linked up with aircraft system or structure affiliated in design EBOM, is passed through the maintainability of faulty equipment or complete machine and is traced event
Hinder the maintainability of aircraft system belonging to equipment or complete machine or structure.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112488450A (en) * | 2020-11-06 | 2021-03-12 | 北京航空航天大学 | Product average repair time distribution method based on region model |
| CN113642891A (en) * | 2021-08-16 | 2021-11-12 | 北京航空航天大学 | Maintenance efficiency-oriented RMT index comprehensive distribution method |
| CN115829549A (en) * | 2023-02-17 | 2023-03-21 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft maintenance process management method |
| CN117546189A (en) * | 2021-06-15 | 2024-02-09 | 三菱电机楼宇解决方案株式会社 | Processing apparatus and processing method |
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