CN106482951A - A kind of engine behavior monitoring and automatic shutdown method - Google Patents

A kind of engine behavior monitoring and automatic shutdown method Download PDF

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Publication number
CN106482951A
CN106482951A CN201610817670.1A CN201610817670A CN106482951A CN 106482951 A CN106482951 A CN 106482951A CN 201610817670 A CN201610817670 A CN 201610817670A CN 106482951 A CN106482951 A CN 106482951A
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period
data
engine
operating mode
safety belt
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董冬
赵政社
赵建军
陈海峰
白文义
刘晓
左明聪
朱成亮
耿直
刘军
胡瑛
姚羽佳
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Xian Aerospace Propulsion Testing Technique Institute
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Xian Aerospace Propulsion Testing Technique Institute
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

The invention belongs to airspace engine experimental technique field, and in particular to a kind of engine behavior monitoring and automatic shutdown method.The having main steps that of the method：1) characteristic parameter data are obtained；2) threshold value sets；3) data acquisition；4) data transmission；5) monitoring module carries out data receiver and duration is judged；6) data conversion；7) data filtering；8) rule judgment；9) engine test stopping shutdown terminating.Not only ensured in process of the test by using the method carries out real-time monitoring to engine behavior, and carries out automatic shutdown control to engine at the beginning of fault occurs, while fault in-situ can be provided for the engine failure of test post analysis.

Description

A kind of engine behavior monitoring and automatic shutdown method
Technical field
The invention belongs to airspace engine experimental technique field, and in particular to a kind of engine behavior is monitored and automatic Closedown method.
Background technology
Engine is at the initial stage of development, as the factors such as design requirement, processing technology, material type selecting affect, engine test During very likely there is leakage fire, leakage, ablation, blast, testing stand scaling loss, the serious consequence such as casualties, by artificial Judge, it is impossible to be accurately positioned fault, and quick shutdown control can not be implemented in time to engine.If can be right in process of the test Engine behavior carries out real-time monitoring, and carries out shutdown control in time automatically at the beginning of fault occurs to engine, then will Reduce the loss that fault is brought, protect engine and test facilities, ensure personal safety, while for testing the event of post analysis engine Barrier provides fault in-situ.So, reseach of engine progress will be accelerated, will save development cost.
Content of the invention
During in order to solve the problems, such as engine test in background technology, the present invention can be to sending out during establishing test battery Motivation working condition carries out real-time monitoring, and carries out automatic shutdown control to engine at the beginning of fault occurs, while can be The engine failure of test post analysis provides the engine behavior monitoring of fault in-situ and automatic shutdown method.
The technical solution of the present invention：
The invention provides engine behavior monitoring and automatic shutdown method, comprise the following steps：
Step 1) obtain characteristic parameter data；
The deployment of sensor is completed in each measuring point of engine, obtains the feature that each measuring point needs according to sensor Supplemental characteristic；Characteristic parameter data include rotating speed, pressure, flow and and temperature；
Step 2) threshold value setting；
Each measuring point of engine is repeatedly obtained by sensor and starts period, stable period and adjustment operating mode period Characteristic parameter data, calculate above-mentioned day part characteristic parameter data mean values as each period threshold value；Described Threshold value is using as the alert if for monitoring next test engine working condition；
Step 3) data acquisition；
Pass through Signal Conditioning Equipment again by sensor acquisition characteristics supplemental characteristic and after being converted into its corresponding electric signal Regulation after send to data acquisition unit, data acquisition unit transmits a signal to data processing and transport module again；
Step 4) data transmission；
By udp protocol, characteristic parameter data is activation is extremely monitored in the form of packet by data processing with transport module Module；
Step 5) monitoring module carries out data receiver and duration judged：
Monitoring module receiving step 5) the characteristic parameter data that send；If duration meets test requirements document duration sum, stop Only receiving data, monitoring module quit work, and engine test work stops；
Conversely, if duration sum is unsatisfactory for test requirements document duration sum, monitoring module continues to spy under udp protocol Supplemental characteristic bag is levied, and carries out next step；
Step 6) data conversion
Packet is simultaneously carried out voltage data to the dimension of physical quantity data by monitoring module parsing characteristic parameter packet Conversion；
Step 7) data filtering；
Whether can be used as the foundation for judging engine operation irregularity by monitoring module judging characteristic supplemental characteristic；If Abnormal foundation, then carry out step 8), if not abnormal foundation, then reject this feature supplemental characteristic；
Step 8) rule judgment；
8.1) monitoring module starts period, stable period and adjustment operating mode period according to the complete coupled engines of judgment rule Characteristic parameter data instantaneous value whether meet the monitoring of safe range；All regard less than safe lower limit or higher than the safety belt upper limit For alert if；
Step 8.2) when monitoring have 3 and features above supplemental characteristic continuous three times beyond safety belt, meet cut-off condition, Execution step 9)；If it is not, then return to step 4)
Step 9) engine test stop shutdown terminating.
Step 9) engine test stop shutdown terminating；
Wherein, step 8) in described judgment rule include to start period judgment rule, stable period judgment rule and Adjustment operating mode period judgment rule；
A：Start period judgment rule
The period judgment rule that starts is started under the working condition for starting for engine, and the rule of formulation is started The safety belt of characteristics of time interval supplemental characteristic is (K1·M,K2·M)；
K1It is characterized the fluctuation lower limit coefficient of parameter threshold；K2It is characterized the fluctuation upper limit coefficient of parameter threshold；M is for starting The threshold values that machine is obtained when starting to work section；
If the characteristic parameter data obtained when starting are met alert if, otherwise are unsatisfactory for beyond the scope of safety belt Alert if；
B：Steady period judgment rule
The steady period judgment rule is the judgment rule that steadily formulates afterwards for engine operating condition；Steady time safety Bandwidth range is according to actual measurement mean value and the standard deviation determination of t period after the section that starts to work (unit is the second) intrinsic parameter, safety Type expression is shown in formula (1)；
Wherein：
In formula：N1For lower limit bandwidth factor；
N2For upper limit bandwidth factor；
SjT () is (public for the standard deviation of actual measurement characteristic parameter data in the t period after the section that starts to work (unit is the second) Formula is shown in 3), j be from 0 to n continuous parameter average or standard deviation period (unit be second) quantity；
XiT () is the measured value of the characteristic parameter data of steady period, i is that certain characteristic parameter is individual continuous from 0 to n Monitoring supplemental characteristic record value, from monitoring start to end；
Mean value (formula for actual measurement characteristic parameter data in the t period after the section that starts to work (unit is the second) See 2), j be average from 0 to n continuous parameter or standard deviation period (unit be second) quantity；
Represent safety belt lower limit；
Represent safety belt lower limit；
Measured value X when the characteristic parameter data of steady periodiT () meets the safety belt scope beyond formula (1), then full Sufficient alert if, if reaching three alert if, meets cut-off condition；It otherwise is unsatisfactory for；
C：Adjustment operating mode period judgment rule
Described adjustment operating mode period judgment rule be for engine adjustment operating mode in the case of, the judgment rule of formulation；Right In adjustment operating mode, the upper limit of the safety belt in the next operating mode time or lower limit are according to real in a upper t period (unit is the second) The actual measurement mean value for surveying parameter determines；
When timing under operating mode, first safe lower limit according to amplitude reduction set in advance；The upper limit continues a upper work The limit value of condition is constant, until adjustment time terminates, enters steady operating mode；After entering stable section for a period of time, safety belt root Determine according to the actual measurement mean parameter in the adjustment section t period set in advance (unit is the second) and standard deviation；
Safety belt expression is：
Wherein：C1For lowering degree, it is initially to descend timing constant set in advance；
It is lower timing when the adjustment operating mode period：If the measured value X of characteristic parameter dataiT () meets the peace beyond formula (4) Full band scope, then meeting alert if, if reaching three alert if, meeting cut-off condition；It otherwise is unsatisfactory for；
When timing in operating mode, first the safety belt upper limit is raised according to amplitude set in advance；, the upper work of lower limit continuity The lower numerical limit of condition is constant, until adjustment time terminates, enters steady operating mode；After entering stable section for a period of time, safety belt root Determine according to the mean value of (unit is s) monitoring parameter and standard deviation in the t period of adjustment section；
Safety belt expression is：
Wherein：C2For raising degree, it is initially to go up timing constant set in advance；
It is upper timing when the adjustment operating mode period：If the measured value X of characteristic parameter dataiT () meets the peace beyond formula (5) Full band scope, then meet alert if, when three alert if are reached, then meet cut-off condition；It otherwise is unsatisfactory for.
The invention has the beneficial effects as follows：
The method of the present invention can realize the synchronous measurement collection of multi-measuring point characteristic parameter, realize real-time status monitoring, And condition adjudgement is carried out for characteristic by judgment criterion, carry out alarm and automatic shutdown control in time, in addition originally The system of invention is applied in reseach of engine process of the test, reduces the engine damage and test caused because of engine failure The number of times that condition is destroyed, improves engine or component recycling rate of waterused, has saved development cost, shortened the lead time.
Description of the drawings
Fig. 1 is the system framework figure of the present invention；
Fig. 2 is method of the present invention flow chart.
Specific embodiment
Method in order to realize engine behavior monitoring and automatic shutdown, first first to the employing of the method system It is introduced, as shown in Figure 1：The system is mainly made up of hardware module and software module two large divisions.
System hardware is handed over by sensor, Signal Conditioning Equipment, data acquisition unit, data processing and transmission unit, network Change planes, monitoring module, DIO board, shutdown warning device, test shutdown controlling switch composition.As shown in Figure 1.
Measuring point signal on engine is converted into electric signal by sensor, is sent to data and adopts after adjusting through Signal Conditioning Equipment Collection unit, by data processing with transmission unit and the network switch to monitoring while data acquisition unit collection real time data Module sends data, and whether monitoring module reaches cut-off condition by judgment criterion real-time judgment parameter, reach cut-off condition DIO Board exports off signal, and shutdown warning device transmission off signal terminates to shutdown controlling switch, engine test is tested；
Sensor is used for for measuring point signal on engine being converted into electric signal；
Signal Conditioning Equipment is used for being adjusted being sent to data acquisition unit by electric signal；
The signal standards source is used for providing data acquisition unit one pumping signal, and data acquisition unit is started working；
Data acquisition unit is used for gathering the signal of Signal Conditioning Equipment transmission；Data acquisition unit includes two submodules Block：
A, parameter setting module：Enter for the essential information of the characteristic parameter to using in breakdown judge data handling procedure Row is arranged；
B, data acquisition module：For gathering multichannel characteristic parameter data；
Data processing is transmitted to the signal for gathering for receiving with transmission unit and processes；Data processing is single with transmission Unit includes data transmission module data processing module；
A. data transfer, data transfer adopt UDP procotol, data press fixed rate with data packet form and passes through net Network is transmitted to the failure monitoring main frame of specified IP address or hostname.
B. data processing, completes the process of all measured parameter data according to processing requirement.
Monitoring module is used for providing the judgment criterion whether parameter transfinites, and carries out real-time judgment by judgment criterion；
Monitoring module includes data reception module, real-time judge module, data display module and simulation testing module；
A, data reception module are used for packet being converted into physics numerical quantity and being preserved；
B, real-time judge module are used for distinguishing validity, mean value computation, deviation calculating and the criterion of physical quantity data and sentence Disconnected；
C, data display module are used for real-time curve and draw and the output of data display, warning and off signal；Test is complete Process is provided which that monitoring data shows.Display form includes curve and numerical value two parts.Monitoring characteristic parameter numerical value is with 1 point/second Speed shown.While the corresponding threshold value in certain stage also will show in interface, for monitoring and reminding.Curve with The speed of 1 point/second is drawn on interface.When engine is working properly, numerical value and curve are presented with green；When engine reaches During fault condition, corresponding numerical value and curve are shown with yellow；When cut-off condition is reached, with the corresponding numerical value of red display and Curve；
D, simulation testing module are used for the browsing of firing test data or test data, test file is generated and printed out.
DIO board is used for exporting off signal to shutdown warning device；
Shutdown warning device Control experiment shutdown controlling switch is so as to control engine cutoff.
By said system, now the implementation method of the present invention is tied and describe：
Based on engine behavior monitoring and the description of auto shutdown system of above-mentioned pair, this is started in conjunction with Fig. 2 Machine working state monitoring and automatic shutdown method are described, and which specifically includes following steps：
Step 1) obtain characteristic parameter data；
The characteristic parameter data that each measuring point needs are obtained according to sensor；Characteristic parameter data include rotating speed, pressure, Flow and and temperature；The selection of measuring point be by judging whether it is the key position of engine, whether be convenient for measuring and Whether can quick response engine condition situation determining；
Step 2) threshold value setting；
Each measuring point of engine is repeatedly obtained by sensor and starts period, stable period and adjustment operating mode period Characteristic parameter data, calculate above-mentioned day part characteristic parameter data mean values as each period threshold value；Described Threshold value is using as the alert if for monitoring next test engine working condition；
Step 3) data acquisition；
Pass through Signal Conditioning Equipment again by sensor acquisition characteristics supplemental characteristic and after being converted into its corresponding electric signal Regulation after send to data acquisition unit, data acquisition unit transmits a signal to data processing and transport module again；
Step 4) data transmission；
By udp protocol, characteristic parameter data is activation is extremely monitored in the form of packet by data processing with transport module Module；
Step 5) monitoring module carries out data receiver and duration judged：
Monitoring module receiving step 5) the characteristic parameter data that send；If duration meets test requirements document duration sum, stop Only receiving data, monitoring module quit work, and engine test work stops；
Conversely, if duration sum is unsatisfactory for test requirements document duration sum, monitoring module continues to spy under udp protocol Supplemental characteristic bag is levied, and carries out next step；
Step 6) data conversion
Packet is simultaneously carried out voltage data to the dimension of physical quantity data by monitoring module parsing characteristic parameter packet Conversion；
Step 7) data filtering；
Whether can be used as the foundation for judging engine operation irregularity by monitoring module judging characteristic supplemental characteristic；If Abnormal foundation, then carry out step 8), if not abnormal foundation, then reject this feature supplemental characteristic；
Step 8) rule judgment；
8.1) monitoring module starts period, stable period and adjustment operating mode period according to the complete coupled engines of judgment rule Characteristic parameter data in real time, if execution step 8.2 if fault is set up)；If fault condition is false, return to step 4)；
Each working hour described all formulates safety belt as the foundation of judgment rule, less than safe lower limit or higher than upper Limit is accordingly to be regarded as alert if；
Step 8.2) when having 3 and features above supplemental characteristic reaches alert if continuous three times, meet cut-off condition；When Meet under cut-off condition, execution step 9)；It is unsatisfactory under cut-off condition, return to step 4)
Step 9) engine test stop shutdown terminating；
Wherein, step 8) in described judgment rule include to start period judgment rule, stable period judgment rule and Adjustment operating mode period judgment rule；
A：Start period judgment rule
The period judgment rule that starts is started under the working condition for starting for engine, and the rule of formulation is started The safety belt of characteristics of time interval supplemental characteristic is (K1·M,K2·M)；
K1It is characterized the fluctuation lower limit coefficient of parameter threshold；K2It is characterized the fluctuation upper limit coefficient of parameter threshold；M is for starting The threshold values that machine is obtained when starting to work section；
If the characteristic parameter data obtained when starting are met alert if, otherwise are unsatisfactory for beyond the scope of safety belt Alert if；
B：Steady period judgment rule
The steady period judgment rule is the judgment rule that steadily formulates afterwards for engine operating condition；Steady time safety Bandwidth range is according to actual measurement mean value and the standard deviation determination of t period after the section that starts to work (unit is the second) intrinsic parameter, safety Type expression is shown in formula (1)；
Wherein：
In formula：N1For lower limit bandwidth factor；
N2For upper limit bandwidth factor；
SjT () is (public for the standard deviation of actual measurement characteristic parameter data in the t period after the section that starts to work (unit is the second) Formula is shown in 3), j be from 0 to n continuous parameter average or standard deviation period (unit be second) quantity；
XiT () is the measured value of the characteristic parameter data of steady period, i is that certain characteristic parameter is individual continuous from 0 to n Monitoring supplemental characteristic record value, from monitoring start to end；
Mean value (formula for actual measurement characteristic parameter data in the t period after the section that starts to work (unit is the second) See 2), j be average from 0 to n continuous parameter or standard deviation period (unit be second) quantity；
Represent safety belt lower limit；
Represent safety belt lower limit；
Measured value X when the characteristic parameter data of steady periodiT () meets the safety belt scope beyond formula (1), then full Sufficient alert if, if reaching three alert if, meets cut-off condition；It otherwise is unsatisfactory for；
C：Adjustment operating mode period judgment rule
Described adjustment operating mode period judgment rule be for engine adjustment operating mode in the case of, the judgment rule of formulation；Right In adjustment operating mode, the upper limit of the safety belt in the next operating mode time or lower limit are according to real in a upper t period (unit is the second) The actual measurement mean value for surveying parameter determines；
When timing under operating mode, first safe lower limit according to amplitude reduction set in advance；The upper limit continues a upper work The limit value of condition is constant, until adjustment time terminates, enters steady operating mode；After entering stable section for a period of time, safety belt root Determine according to the actual measurement mean parameter in the adjustment section t period set in advance (unit is the second) and standard deviation；
Safety belt expression is：
Wherein：C1For lowering degree, it is initially to descend timing constant set in advance；
It is lower timing when the adjustment operating mode period：If the measured value X of characteristic parameter dataiT () meets the peace beyond formula (4) Full band scope, then meeting alert if, if reaching three alert if, meeting cut-off condition；It otherwise is unsatisfactory for；
When timing in operating mode, first the safety belt upper limit is raised according to amplitude set in advance；, the upper work of lower limit continuity The lower numerical limit of condition is constant, until adjustment time terminates, enters steady operating mode；After entering stable section for a period of time, safety belt root Determine according to the mean value of (unit is s) monitoring parameter and standard deviation in the t period of adjustment section；
Safety belt expression is：
Wherein：C2For raising degree, it is initially to go up timing constant set in advance；
It is upper timing when the adjustment operating mode period：If the measured value X of characteristic parameter dataiT () meets the peace beyond formula (5) Full band scope, then meet alert if, when three alert if are reached, then meet cut-off condition；It otherwise is unsatisfactory for.

Claims (2)

1. a kind of engine behavior is monitored and automatic shutdown method, it is characterised in that comprised the following steps：
Step 1) obtain characteristic parameter data；
The deployment of sensor is completed in each measuring point of engine, obtains the characteristic parameter that each measuring point needs according to sensor Data；Characteristic parameter data include rotating speed, pressure, flow and and temperature；
Step 2) threshold value setting；
Each measuring point of engine is repeatedly obtained in the feature for starting period, stable period and adjustment operating mode period by sensor Supplemental characteristic, calculate above-mentioned day part characteristic parameter data mean values as each period threshold value；The threshold value Using the alert if as the next test engine working condition of monitoring；
Step 3) data acquisition；
By sensor acquisition characteristics supplemental characteristic and it is converted into after its corresponding electric signal again by the tune of Signal Conditioning Equipment Send after section to data acquisition unit, data acquisition unit transmits a signal to data processing and transport module again；
Step 4) data transmission；
By udp protocol, data processing and transport module are by characteristic parameter data is activation to monitoring module in the form of the packet；
Step 5) monitoring module carries out data receiver and duration judged；
Monitoring module receiving step 5) the characteristic parameter data that send；If duration meets test requirements document duration sum, stop connecing Data are received, monitoring module quits work, engine test work stops；
Conversely, if duration sum is unsatisfactory for test requirements document duration sum, monitoring module continues to feature ginseng under udp protocol Number packet, and carry out next step；
Step 6) data conversion
Packet is simultaneously carried out voltage data to the dimension conversion of physical quantity data by monitoring module parsing characteristic parameter packet；
Step 7) data filtering；
Whether can be used as the foundation for judging engine operation irregularity by monitoring module judging characteristic supplemental characteristic；If abnormal Foundation, then carry out step 8), if not abnormal foundation, then reject this feature supplemental characteristic；
Step 8) rule judgment；
8.1) monitoring module starts the spy of period, stable period and adjustment operating mode period according to the complete coupled engines of judgment rule Levy the monitoring whether supplemental characteristic instantaneous value meets safe range；Report is accordingly to be regarded as less than safe lower limit or higher than the safety belt upper limit Alert condition；
Step 8.2) when monitoring have 3 and features above supplemental characteristic continuous three times beyond safety belt, meet cut-off condition, execute Step 9)；If it is not, then return to step 4)
Step 9) engine test stop shutdown terminating.
2. engine behavior according to claim 1 is monitored and automatic shutdown method, it is characterised in that
The judgment rule includes that starting period judgment rule, stable period judgment rule and adjustment operating mode period judges rule Then；
A：Start period judgment rule
The period judgment rule that starts is started under the working condition for starting for engine, and the rule of formulation starts the period The safety belt of characteristic parameter data is (K1·M,K2·M)；
K1It is characterized the fluctuation lower limit coefficient of parameter threshold；K2It is characterized the fluctuation upper limit coefficient of parameter threshold；M is risen for engine The threshold values obtained during dynamic active section；
If the characteristic parameter data obtained when starting are beyond the scope of safety belt, alert if is met, otherwise be unsatisfactory for reporting to the police Condition；
B：Steady period judgment rule
The steady period judgment rule is the judgment rule that steadily formulates afterwards for engine operating condition；Steady time safety bandwidth Scope is according to actual measurement mean value and the standard deviation determination of t period after the section that starts to work (unit is the second) intrinsic parameter, safety belt table Reach formula and see formula (1)；
X i ( t ) ∈ [ Y j ( t ) ‾ - N 1 · S j ( t ) , Y j ( t ) ‾ + N 2 · S j ( t ) ] - - - ( 1 )
Wherein：
Y ‾ j ( t ) = Σ 0 n X i ( t ) n + 1 - - - ( 2 )
S j ( t ) = | Σ 0 n X i 2 ( t ) n + 1 - Y j ‾ 2 ( t ) | - - - ( 3 )
In formula：N1For lower limit bandwidth factor；
N2For upper limit bandwidth factor；
SjT () (formula is shown in order to survey the standard deviation of characteristic parameter data in the t period after the section that starts to work (unit is the second) 3)；J be from 0 to n, n >=1；
XiT () is the measured value of the characteristic parameter data of steady period, i be from 0 to n, n >=1；
For surveying the mean value (formula is shown in 2) of characteristic parameter data in the t period after the section that starts to work (unit is the second), J be from 0 to n, n >=1；
Represent safety belt lower limit；
Represent safety belt lower limit；
Measured value X when the characteristic parameter data of steady periodiT () meets the safety belt scope beyond formula (1), then meet report Alert condition, if reaching three alert if, meets cut-off condition；It otherwise is unsatisfactory for；
C：Adjustment operating mode period judgment rule
Described adjustment operating mode period judgment rule be for engine adjustment operating mode in the case of, the judgment rule of formulation；For tune Whole operating mode, the upper limit of the safety belt in the next operating mode time or lower limit are according to actual measurement ginseng in a upper t period (unit is the second) Several actual measurement mean value determines；
When timing under operating mode, first safe lower limit according to amplitude reduction set in advance；The upper limit continues a upper operating mode Limit value is constant, until adjustment time terminates, enters steady operating mode；After entering stable section for a period of time, safety belt is according to pre- The actual measurement mean parameter in the adjustment section t period (unit is as the second) for first setting and standard deviation determine；
Safety belt expression is：
Wherein：C1For lowering degree, it is initially to descend timing constant set in advance；
It is lower timing when the adjustment operating mode period：If the measured value X of characteristic parameter dataiT () meets the safety belt beyond formula (4) Scope, then meet alert if, if reaching three alert if, meets cut-off condition；It otherwise is unsatisfactory for；
When timing in operating mode, first the safety belt upper limit is raised according to amplitude set in advance；, the upper operating mode of lower limit continuity Lower numerical limit is constant, until adjustment time terminates, enters steady operating mode；After entering stable section for a period of time, safety belt is according to tune In whole section of t period, the mean value of (unit is s) monitoring parameter and standard deviation determine；
Safety belt expression is：
Wherein：C2For raising degree, it is initially to go up timing constant set in advance；
It is upper timing when the adjustment operating mode period：If the measured value X of characteristic parameter dataiT () meets the safety belt beyond formula (5) Scope, then meet alert if, when three alert if are reached, then meets cut-off condition；It otherwise is unsatisfactory for.
CN201610817670.1A 2016-09-12 2016-09-12 A kind of engine behavior monitoring and automatic shutdown method Pending CN106482951A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
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CN106872172A (en) * 2017-04-19 2017-06-20 成都信息工程大学 The method for real time discriminating and system of Aero Engine Testing security parameter monitoring
CN106872172B (en) * 2017-04-19 2020-05-22 成都信息工程大学 Real-time discrimination method and system for monitoring safety parameters of aero-engine test
CN110535830A (en) * 2019-07-31 2019-12-03 西安航天动力试验技术研究所 Communication means for Test System for Rocket Engine Test system
CN110535830B (en) * 2019-07-31 2021-08-17 西安航天动力试验技术研究所 Communication method for rocket engine test system
CN112968920A (en) * 2019-12-13 2021-06-15 亿华通动力科技有限公司 Fuel cell engine test data real-time monitoring system and method
CN112968920B (en) * 2019-12-13 2023-04-07 亿华通动力科技有限公司 Real-time monitoring system and method for fuel cell engine test data
CN112085391A (en) * 2020-09-11 2020-12-15 山东钢铁集团日照有限公司 Strip steel production process data characteristic value extraction method based on process rules
CN112085391B (en) * 2020-09-11 2024-02-27 山东钢铁集团日照有限公司 Strip steel production process data characteristic value extraction method based on process rules
CN112555050A (en) * 2020-12-02 2021-03-26 西安航天动力试验技术研究所 Method for monitoring running state and scramming of distributed supersonic airflow generation device
CN112555050B (en) * 2020-12-02 2022-03-11 西安航天动力试验技术研究所 Method for monitoring running state and scramming of distributed supersonic airflow generation device
CN115808309A (en) * 2023-02-09 2023-03-17 哈尔滨科锐同创机模制造有限公司 Bearing monitoring method and system applied to bearing test

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