CN105910804B - Method and apparatus for the performance trend for monitoring aircraft department enclosure - Google Patents
Method and apparatus for the performance trend for monitoring aircraft department enclosure Download PDFInfo
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- CN105910804B CN105910804B CN201610248352.8A CN201610248352A CN105910804B CN 105910804 B CN105910804 B CN 105910804B CN 201610248352 A CN201610248352 A CN 201610248352A CN 105910804 B CN105910804 B CN 105910804B
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The present invention relates to a kind of method for the performance trend for being used to monitor aircraft department enclosure, this method comprises the following steps：Multigroup performance data of at least one performance indicator of the aircraft department enclosure in multiple mission phases is obtained from airborne quick access recorder；Performance trend model function is determined according to the type of at least one performance indicator；Calculation process is carried out to multigroup performance data based on performance trend pattern function, to obtain performance trend analysis data；And data output performance trend analysis result is analyzed based on performance trend.A kind of moreover, it relates to device for the performance trend for being used to monitor aircraft department enclosure.The method according to the invention and device, can obtain the fault condition that aircraft department enclosure is likely to occur in time, so as to strengthen planned maintenance, reduce unscheduled maintenance, realize the support to existing maintenance analytical technology, to improve airline airplane maintenance work efficiency, reduce aircraft maintenance and operation cost.
Description
Technical field
The present invention relates to aircraft monitoring field, in particular it relates to a kind of performance for being used to monitor aircraft department enclosure
The method and apparatus of trend.
Background technology
Airborne quick access recorder (QAR) is one in modern airline carriers of passengers flight data recording system (ATA31)
Important " member ".Relatively traditional " aircraft accident recorder (FDR or DFDR) ", not only original verily have recorded comes from QAR
A large amount of operating parameters of each system of aircraft, reflect aircraft system virtual condition in operation or the sign of failure continuous wholely
Signal, and have the advantages that easily accessible, maintenance is simple, data storage capacity is big and on-board memory devices are inexpensively general.
A large amount of introduce of new architecture result in airline's type configuration complication.The complexity of configuration causes management cost
Increase, the technology echelon of maintenance also are difficult to be formed.Many " difficulty " failures occur often, use conventional technology
(such as according to phenomenon of the failure string/change part) does not often prove effective, one is because (it will not directly occur or be observed in these failures
Be only device parameter exception)；The second is because once its consequence of these system failures is often catastrophic.Only make
With long-term, lasting QAR data trend analysis, the exception of parameter could be found in time, is mapped as the drift of equipment performance, ability
Maintenance behavior, the appearance of averting a calamity property consequence are taken in advance.
Therefore, there is an urgent need for a kind of method and apparatus for the performance trend for being used to monitor aircraft department enclosure, so as to find to fly in time
The performance trend situation of machine department enclosure.
The content of the invention
It is an object of the invention to provide a kind of monitoring scheme of the performance trend of aircraft department enclosure, to obtain aircraft in time
The fault condition that department enclosure is likely to occur, so as to strengthen planned maintenance, reduces unscheduled maintenance, realizes to existing maintenance analysis skill
The support of art, to improve airline airplane maintenance work efficiency, reduces aircraft maintenance and operation cost.
To achieve these goals, the first aspect of the present invention provide it is a kind of be used to monitoring the performance of aircraft department enclosure become
The method of gesture, it is characterised in that the described method comprises the following steps：A. the aircraft is obtained from airborne quick access recorder
Multigroup performance data of at least one performance indicator of department enclosure in multiple mission phases；B. according at least one performance
The type of index determines performance trend model function；C. based on the performance trend pattern function to multigroup performance data
Calculation process is carried out, to obtain performance trend analysis data；And E. is based on performance trend analysis data output performance and becomes
Potential analysis result.
By the method, due to the use of airborne quick access recorder, substantial amounts of structural data can be obtained.Its
It is secondary, by obtaining the performance data in multiple mission phases, be conducive to the analysis for performance trend, so as to improve flight
Security.Furthermore, additionally it is possible to the larger multigroup performance data of data volume is converted to performance trend analysis data, so as to simplify
The analytic process of performance trend.
Preferably, the step A further comprises following sub-step：A1. the aircraft department enclosure, the aircraft portion are chosen
Annex corresponds at least one maintenance event；And A2. chooses at least one performance indicator, at least one performance refers to
Mark corresponds at least one event of failure.
By this way, only to the aircraft department enclosure that can directly indicate maintenance event or event of failure and corresponding performance
Index is analyzed, and is enable to directly determine corresponding failure according to analysis result or is repaired accordingly.
Preferably, the performance trend pattern function includes data acquisition subfunction, mathematical operation subfunction, relational calculus
At least one of in subfunction and logical operation subfunction.
By this way, to carrying out appropriate calculation process from airborne quick access recorder, consequently facilitating to performance
The analysis of trend.
It is further preferred that the data acquisition subfunction include maximum operation, minimum operation, average value computing,
At least one of in signed magnitude arithmetic(al) and rounding operation.
It is further preferred that the mathematical operation subfunction includes add operation, subtraction, multiplying, division fortune
At least one of in calculation, complementation, power operation, square operation and extracting operation.
It is further preferred that the relational calculus subfunction include identity oepration, not etc. computing, more than computing, less than fortune
Calculate, more than or equal to computing and less than or equal at least one in computing.
It is further preferred that the logical operation subfunction includes and at least one in computing and/or computing.
Preferably, the type of at least one performance indicator of the aircraft department enclosure and the performance trend model letter
Number has predetermined correspondence.
By this way, such as in the form of inquiry table the performance indicator and performance trend model letter of aircraft department enclosure are listed
Several correspondence, so as to quickly find suitable performance trend pattern function.
Preferably, the following sub-step of the method is further included：D. data are analyzed for the performance trend to set at least
One threshold range；And in the step E, export the performance with additionally considering at least one threshold range and become
Potential analysis result.By this way, it clearly show that whether performance trend analysis data exceed rational scope.
It is further preferred that the step E further comprises：If performance trend analysis data beyond it is described at least
One threshold range, then generate alarm signal.By this way, monitoring personnel can obtain the failure of aircraft department enclosure in time and disappear
Breath.
It is further preferred that different threshold ranges corresponds to different alarm signals, the different alarm signal is used
Different grades of maintenance is carried out to the aircraft department enclosure in prompting.By this way, personnel easy to repair are to aircraft department enclosure
Carry out appropriate maintenance.
Preferably, the performance trend analysis result is graphically exported.By this way so that performance trend point
The output for analysing result is more directly perceived.
Preferably, multigroup performance data of multiple performance indicators is obtained in the step A.By this way, using more
A performance indicator judges performance trend, so as to improve the accuracy for analyzing the performance trend drawn.
It is further preferred that in the step B, additionally determined according to the relation between the multiple performance indicator
The performance trend pattern function.By this way, be conducive to select more particularly suitable performance trend pattern function.
In addition, the second aspect of the present invention provides a kind of device for the performance trend for being used to monitor aircraft department enclosure, institute
Stating device includes：Data acquisition module, for obtained from airborne quick access recorder at least one aircraft department enclosure to
Few multigroup performance data of the performance indicator in multiple mission phases；Performance trend pattern function determining module, for root
Performance trend model function is determined according to the type of at least one performance indicator of at least one aircraft department enclosure；Fortune
Processing module is calculated, for carrying out calculation process to multigroup performance data based on the performance trend pattern function, to obtain
Performance trend analyzes data；And output module, for analyzing data output performance trend analysis knot based on the performance trend
Fruit.
In conclusion by method and apparatus according to the present invention, health status variation tendency can be effectively predicted, so that
Have the initiative in hands in operation and maintenance work.Secondly, catastrophe failure and the sign of insecurity can be found in time, so that in advance
Processing.Aircraft programs maintainability is improved, reasonable arrangement aircraft stops field, not only can guarantee that flight safety, but also reduces non-meter
Draw and stop field time.Furthermore aircraft utilization can be effectively improved, reduce operation expense, enable airline safely,
Continue, efficiently run aircraft.
Brief description of the drawings
The embodiment of the present invention is explained further with reference to following attached drawing and explanation, wherein：
Fig. 1 shows a kind of method for being used to monitor the performance trend of aircraft department enclosure of embodiment according to the present invention
Flow chart；And
Fig. 2 shows a kind of device for being used to monitor the performance trend of aircraft department enclosure of embodiment according to the present invention
Schematic diagram.
Embodiment
In the specific descriptions of following preferred embodiment, by with reference to the appended attached drawing for forming a present invention part.Institute
Attached attached drawing, which has been illustrated by way of example, can realize specific embodiment.Exemplary embodiment is not intended as
Limit all embodiments according to the present invention.It is appreciated that without departing from the scope of the present invention, other can be utilized
Embodiment, can also carry out structural or logicality modification.Therefore, following specific descriptions and nonrestrictive, and this
The scope of invention is defined by the claims appended hereto.
Fig. 1 shows a kind of method for being used to monitor the performance trend of aircraft department enclosure of embodiment according to the present invention
Flow chart.
As shown in Figure 1, in step S101, at least one performance indicator of aircraft department enclosure is obtained from QAR multiple
Multigroup performance data in mission phase.Exemplarily, the auxiliary power unit of the aircraft in multiple mission phases is obtained
(APU) temperature value.
In a preferred embodiment of the method according to the invention, only important aircraft department enclosure is monitored.
Here, the judgment principle of important department enclosure is：A) there is the maintenance event of abundance；B) maintenance event and department enclosure have pair
It should be related to；C) at least one performance indicator of department enclosure has correspondence with event of failure；D) can be obtained from QAR should be to
A few performance indicator.
In a preferred embodiment of the method according to the invention, the property of the performance indicator more than one can be obtained
Energy data, such as not only obtain temperature value and also obtain humidity value.
Secondly, in step s 102, performance trend model function is determined according to the type of at least one performance indicator.Show
Example property, the corresponding performance trend pattern function of temperature value of APU is max function.
In a preferred embodiment of the method according to the invention, which passes through more sub- letters
It is several with reference to and formed, such as including data acquisition subfunction, mathematical operation subfunction, relational calculus subfunction and logical operation
Subfunction.Data acquisition function representation gathers specific data value from multiple performance datas, for example, including maximum operation,
Minimum operation, average value computing, signed magnitude arithmetic(al) and rounding operation etc..Mathematical operation subfunction represents to carry out performance data
Mathematical operation, such as including add operation, subtraction, multiplying, division arithmetic, complementation, power operation, square operation
With extracting operation etc..Relational operator function representation judges the relation between performance data, for example, including identity oepration, the fortune such as not
Calculate, more than computing, less-than operation, more than or equal to computing and less than or equal to computing etc..And logical operator function representation is to performance
Data carry out logical operation, such as including with computing and/or computing etc..
In a preferred embodiment of the method according to the invention, the type and performance trend model letter of performance indicator
Several correspondences are predetermined.Such as it is stored in advance in the inquiry table of memory.
In a preferred embodiment of the method according to the invention, in addition to the type of performance indicator, always according to
Relation between multiple performance indicators determines performance trend model function.For example, place is weighted to temperature value and humidity value
Reason.
Then, in step s 103, calculation process is carried out to multigroup performance data based on performance trend pattern function, to obtain
Performance trend is taken to analyze data.Exemplarily, the maximum in one group of temperature value of the APU in each mission phase is asked for.
In a preferred embodiment of the method according to the invention, one of performance trend analysis data is pre-defined
Or multiple threshold ranges.When performance trend analysis data exceed threshold range, then alarm.Here, multiple threshold ranges
Corresponding to different alarm signals.For example, when temperature is more than the first relatively low temperature threshold, then yellow alarm signal is exported；
And when temperature is more than higher second temperature threshold value, then output red alarm signal.For different alarm signals, also should
Take different maintenance modes.
Finally, in step S104, data output performance trend analysis result is analyzed based on performance trend.Exemplarily,
The maximum corresponding to each mission phase obtained in step s 103 is exported.
In a preferred embodiment of the method according to the invention, graphically carry out output performance trend analysis
As a result.For example, the maximum of each mission phase is linked to be curve output.
Fig. 2 shows a kind of device for being used to monitor the performance trend of aircraft department enclosure of embodiment according to the present invention
200 schematic diagram.
As shown in Fig. 2, device 200 includes data acquisition module 201, performance trend pattern function determining module 202, computing
Processing module 203 and output module 204.
Specifically, acquisition module 201 obtains at least one performance indicator of at least one aircraft department enclosure more from QAR
Multigroup performance data in a mission phase.Meanwhile performance trend pattern function determining module 202 is according at least one performance
Index determines performance trend model function.And calculation process module 203 is according to defeated by performance trend pattern function determining module 202
The performance trend pattern function gone out to the multigroup performance data exported by module 201 carries out calculation process, and obtains performance
Trend analysis data.Output module 204 then analyzes data output performance trend analysis result according to performance trend.
Although the foregoing describing the embodiment of the present invention, those skilled in the art can be in appended power
Profit makes various changes and modifications in the range of requiring.
Claims (15)
- A kind of 1. method for the performance trend for being used to monitor aircraft department enclosure, it is characterised in that the described method comprises the following steps：A. at least one performance indicator of the aircraft department enclosure is obtained from airborne quick access recorder in multiple flight ranks Multigroup performance data in section；B. performance trend model function is determined according to the type of at least one performance indicator；C. calculation process is carried out to multigroup performance data based on the performance trend pattern function, to obtain performance trend point Analyse data；AndE. based on performance trend analysis data output performance trend analysis result.
- 2. according to the method described in claim 1, it is characterized in that, the step A further comprises following sub-step：A1. the aircraft department enclosure is chosen, the aircraft department enclosure corresponds at least one maintenance event；AndA2. at least one performance indicator is chosen, at least one performance indicator corresponds at least one event of failure.
- 3. method according to claim 1 or 2, it is characterised in that the performance trend pattern function includes data acquisition At least one of in subfunction, mathematical operation subfunction, relational calculus subfunction and logical operation subfunction.
- 4. according to the method described in claim 3, it is characterized in that, the data acquisition subfunction includes maximum operation, most At least one of in small value computing, average value computing, signed magnitude arithmetic(al) and rounding operation.
- 5. according to the method described in claim 3, it is characterized in that, the mathematical operation subfunction includes add operation, subtraction At least one of in computing, multiplying, division arithmetic, complementation, power operation, square operation and extracting operation.
- 6. according to the method described in claim 3, it is characterized in that, the relational calculus subfunction includes identity oepration, differs Computing, more than computing, less-than operation, more than or equal to computing and less than or equal in computing at least one of.
- 7. according to the method described in claim 3, it is characterized in that, the logical operation subfunction includes and computing and/or computing At least one of in.
- 8. according to the method described in claim 1, it is characterized in that, at least one performance indicator of the aircraft department enclosure Type and the performance trend pattern function there is predetermined correspondence.
- 9. according to the method described in claim 1, it is characterized in that, further comprise following sub-step：D. data are analyzed for the performance trend and at least one threshold range is set；And in the step E, export the performance trend analysis knot with additionally considering at least one threshold range Fruit.
- 10. according to the method described in claim 9, it is characterized in that, the step E further comprises：If the performance becomes Potential analysis data exceed at least one threshold range, then generate alarm signal.
- 11. according to the method described in claim 10, it is characterized in that, different threshold ranges corresponds to different alarm signals Number, the different alarm signal is used to prompt to carry out different grades of maintenance to the aircraft department enclosure.
- 12. according to the method described in claim 1, it is characterized in that, graphically export the performance trend analysis knot Fruit.
- 13. according to the method described in claim 1, it is characterized in that, obtain the multigroup of multiple performance indicators in the step A Performance data.
- 14. according to the method for claim 13, it is characterised in that in the step B, additionally according to the multiple property Relation that can be between index determines the performance trend pattern function.
- 15. a kind of device for the performance trend for being used to monitor aircraft department enclosure, it is characterised in that described device includes：Data acquisition module, for obtaining at least one property of at least one aircraft department enclosure from airborne quick access recorder Can multigroup performance data of the index in multiple mission phases；Performance trend pattern function determining module, at least one performance according at least one aircraft department enclosure The type of index determines performance trend model function；Calculation process module, for carrying out calculation process to multigroup performance data based on the performance trend pattern function, To obtain performance trend analysis data；AndOutput module, for analyzing data output performance trend analysis result based on the performance trend.
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| CN201610248352.8A CN105910804B (en) | 2016-04-20 | 2016-04-20 | Method and apparatus for the performance trend for monitoring aircraft department enclosure |
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| CN105910804B true CN105910804B (en) | 2018-05-01 |
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| US10497185B2 (en) * | 2017-11-28 | 2019-12-03 | The Boeing Company | Apparatus and method for vehicle maintenance scheduling and fault monitoring |
| CN113291488B (en) * | 2021-04-30 | 2022-01-04 | 浙江长龙航空有限公司 | Method and device for monitoring performance of integral drive generator |
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| US6845306B2 (en) * | 2000-11-09 | 2005-01-18 | Honeywell International Inc. | System and method for performance monitoring of operational equipment used with machines |
| US6567729B2 (en) * | 2001-03-28 | 2003-05-20 | Pt Holdings Ltd. | System and method of analyzing aircraft removal data for preventative maintenance |
| CN102343983A (en) * | 2011-07-07 | 2012-02-08 | 中国国际航空股份有限公司 | Airplane APU (Auxiliary Power Unit) performance detecting method |
| CN104484544A (en) * | 2014-09-17 | 2015-04-01 | 李新楼 | Aero-engine monitoring method and system |
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