CN110941255A - Fault information management system - Google Patents

Fault information management system Download PDF

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Publication number
CN110941255A
CN110941255A CN201911237027.1A CN201911237027A CN110941255A CN 110941255 A CN110941255 A CN 110941255A CN 201911237027 A CN201911237027 A CN 201911237027A CN 110941255 A CN110941255 A CN 110941255A
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China
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fault
fault information
information
standard
engine
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CN201911237027.1A
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CN110941255B (en
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喻小龙
陆灵
易炜
朱浪
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Study On Guiyang Engine Design China Hangfa
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Study On Guiyang Engine Design China Hangfa
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0221Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods

Abstract

The invention discloses a fault information management system, which comprises a fault information acquisition module, a fault information statistics and monitoring module and a fault prediction and early warning module; the fault information acquisition module is used for acquiring fault information, and filing approved classical fault information and a processing method thereof to generate standard fault information; the fault information counting and monitoring module is used for monitoring, counting, classifying, inquiring and exporting the standard fault information generated by the fault information acquisition module; the prediction and early warning module obtains prediction information of the engine fault information according to the classification and statistics of the fault information statistics and monitoring module on the standard fault information, and mutual prediction between the total test hours of the engine and the accumulated MTBF and the instantaneous MTBF is achieved. The system has high management efficiency, good management effect and perfect functions.

Description

Fault information management system
Technical Field
The invention belongs to the field of engine information management, and particularly relates to a fault information management system.
Background
At present, the traditional engine fault management is more chaotic, most of the traditional engine fault management adopts paper registration for management, and the complex manual management wastes time and labor, but the management effect is not good, and various fault information of engine models cannot be inquired in time, so that the management layer cannot effectively control various faults in the engine development process, and the development progress of the engine is influenced.
Disclosure of Invention
Object of the Invention
Aiming at the fault information characteristics in the engine development process, the invention provides the engine fault information management system, which comprehensively utilizes various means such as computer software, flow management of engine fault information, dynamic analysis and the like to realize a management system integrating various functions such as classical fault experience reminding, dynamic analysis of fault information, linkage of fault information and the like, and has the advantages of high management efficiency, good management effect and perfect functions.
Technical solution of the invention
The fault information management system comprises a terminal, an identity authentication system, a communication network and a background server center; the user logs in the terminal, the identity authentication system confirms user login identity information through a communication network and transmits the user information to the background server center through the communication network, the background server center displays application interfaces with different authorities on the terminal according to the user identity, and a fault information acquisition module, a fault information counting and monitoring module and a fault prediction module are arranged in the background server center; the fault information acquisition module is used for acquiring fault information, filing the approved fault information and the basis and method for processing the fault to generate standard fault information and linkage fault information; meanwhile, more than 5 times of standard faults which are the same fault reason and solution and have unit decision as typical faults and influence the development period for more than 1 month are approved and converted into typical faults to form corresponding design criteria; the fault information counting and monitoring module is used for monitoring, counting, classifying, inquiring and exporting the standard fault information generated by the fault information acquisition module; the fault prediction and early warning module performs mutual prediction between the total engine test hours, the accumulated MTBF of the engine and the instantaneous MTBF according to characteristic information in standard fault information filed by the fault information acquisition module; and if the fault caused by a certain factor is listed as a linkage fault, triggering fault early warning when the factor exists in other assemblies or designs.
Preferably, a common user can perform fault information and processing method input, fault information query and fault information statistics; the manager has the authority of the common user and the authority of the fault process approval and the fault-to-standard fault approval.
The fault information acquisition module has the functions of standard fault processing and fault information archiving; and the standard fault processing function is used for information management of a key management link.
Preferably, the key management links comprise new fault creation, fault acceptance, reliability countersigning, fault analysis, effectiveness evaluation of corrective measures and implementation of corrective measures.
Preferably, the monitoring functions of the information statistics and monitoring module comprise engine reliability increase, calendar time fault and fault zero-setting statistics, fault responsibility statistics, fault unit distribution statistics, fault information notification, fault information query and fault linkage query; the engine reliability increase is used for displaying a cumulative increase curve, an instantaneous increase curve and a reliability increase rate of the engine to the current stage or any stage of assembly, a cumulative MTBF and an instantaneous MTBF; the calendar time fault and fault return-to-zero function is used for monitoring the quantity of faults and the quantity of fault return-to-zero in a time interval taking the year as a unit; the fault responsibility counting function is used for counting the fault responsibility distribution percentage of each design; the fault unit distribution statistical function is used for counting the fault distribution percentage of the system and the component; the fault information notification function is used for notifying the occurring fault information; the fault information query is used for querying fault information classification, comprehensively querying and deriving corresponding query results; the fault linkage query is used for classifying typical fault information, comprehensively querying and exporting corresponding query results.
Preferably, the prediction and early warning module comprises a cumulative MTBF and an instantaneous MTBF which the engine can reach according to the input total test hours, or a total test hours which needs to be invested according to the input MTBF target value; when the fault linkage early warning is used for a part used by a certain type of engine to have a fault, other engines use similar parts, and fault linkage can be triggered.
Preferably, the information output by the monitoring and statistical functions of the fault information statistics and monitoring module is displayed in a chart mode.
Preferably, the standard fault information and the linkage fault information are generated as follows: after finding a fault, a common user logs in a fault information management system, enters a fault information acquisition module to fill in specific information, and enters a fault report auditing link after passing the approval of a fault auditor; after the failure auditor audits, performing preliminary failure judgment, giving failure processing time limit and assigning a failure processing department, and entering a reliability countersigning link; the reliability supervisor enters a fault analysis link after filling corresponding information and determining, and fault analysis personnel need to fill technical, management, troubleshooting measures and experience summary which cause faults and enter a correcting measure validity evaluation link after submitting; the fault analysis unit is responsible for developing, can effectively prevent faults or reduce the fault occurrence probability by analyzing and calculating and necessary test verification and evaluation corrective measures, and enters a corrective measure implementation link after confirming the effectiveness of the measures through evaluation; and the specified implementation unit carries out fault treatment according to the development of the correction measures and then forms standard fault information and linkage fault information.
The invention has the advantages that:
1) a computer management mode is adopted to replace a manual transmission registration management mode, and normalization and informatization of engine fault information management are promoted;
2) all the entered fault information needs to be confirmed by management personnel, so that the management is standard and the data is reliable;
3) through establishing corresponding knowledge bases by various data management classifications, the query and the monitoring are simple and easy, the management is convenient, and the management efficiency is greatly improved;
4) the engine fault linkage alarm can be started, and the fault prediction effect is effectively achieved.
Drawings
Fig. 1 is a schematic diagram of a fault information management system of the present invention.
Fig. 2 is a schematic diagram of data flow among functional modules in the fault information management system according to the present invention.
In the figure, 1-terminal; 2-an identity authentication system; 3-a communication network; 4-background server center.
Detailed Description
The invention is realized by the following technical scheme.
Taking fault information input and display as an example, a user logs in a terminal 1, an identity authentication system 2 confirms user login identity information through a communication network 3 and transmits the user information to a background server center 4 through the communication network 3, the background server center 4 returns application interfaces with different authorities according to the user identity, and a common user can perform fault information and processing method input, fault information inquiry and fault information statistics; and the manager has the authority of the common user and the authority of the fault process approval and the fault-to-classical fault approval.
After finding a fault, a common user logs in a fault information management system, enters a fault information acquisition module to newly fill in specific information, and enters a fault report approval link after passing approval; after the failure auditor audits, performing preliminary failure judgment, assigning failure processing departments, giving suggestions such as failure processing time limit and the like, and entering a reliability countersigning link; the reliability supervisor fills in corresponding information and enters a fault analysis link after determining, and a fault analysis worker needs to fill in information such as technology, management, troubleshooting measures, experience summary and the like causing a fault and enters a corrective measure validity evaluation link after submitting the information; the fault analysis unit is responsible for developing, can effectively prevent faults or reduce the fault occurrence probability by analyzing and calculating and necessary test verification and evaluation corrective measures, and enters a corrective measure implementation link after confirming the effectiveness of the measures through relevant evaluation; and the specified implementation unit carries out fault treatment according to the development of correction measures, and after the examination and approval links, the fault information is formal system fault information. The linkage fault information input mode and the approval link are consistent with the standard fault information, the input information is distinguished from the standard fault information, and the information of the newly added linkage model, the definite linkage product and the like is added in the input process.
When a system user triggers the reliability increase statistic function of a certain type of engine, according to the characteristic information of stage fault number, fault stage, accumulated fault number and the like in the standard fault information of the type, an accumulated increase curve, an instantaneous increase curve, and the reliability increase rate, the accumulated MTBF and the instantaneous MTBF of the engine to the current stage or any assembly stage which is performed are obtained after the processing of a statistic module, and curves are drawn; a system user triggers calendar time fault quantity and fault return-to-zero statistics, the quantity of faults occurring in a time interval and the quantity of fault return-to-zero are obtained after processing by a statistic module according to characteristic information such as fault finding time filled in a fault report table in the model standard fault information, and a curve is drawn; when a system user triggers a fault responsibility statistic, according to characteristic information such as fault responsibility reasons, fault unit distribution and the like in the model standard fault information, obtaining fault responsibility distribution information after the characteristic information is processed by a statistical module, and drawing a pie chart; when a system user triggers the fault unit distribution statistics, according to the characteristic information of the system, the part and the like to which the fault unit belongs in the model standard fault information, the fault unit distribution percentage information is obtained after the processing of a statistical module, and a pie chart is drawn; the fault information notification standard filing can carry out fault information notification in the system; when a system user triggers a fault information query function, corresponding information can be obtained after the corresponding information is processed by the statistical module according to the user query type, and classified query, lookup, calling and output are supported.
The system provides an engine prediction and early warning function, and when a system user triggers a mutual prediction function among the total test number, the accumulated MTBF and the instantaneous MTBF of a certain type of engine, the mutual information prediction can be carried out after the processing of a prediction module according to the characteristic information of stage fault number, fault stage, accumulated fault number and the like in the standard fault information of the type; when the user triggers the linkage criterion during fault entry, the system can give an early warning.
If the standard fault information accords with the characteristics of the typical fault case and is approved by a manager, the experience summary of the typical fault case is formulated into a management process of a design rule, and the standard design rule is provided for subsequent similar engine design. Meanwhile, the effective fault information in the system conforms to the characteristics of typical fault information, the typical fault can be formed after being approved by a manager, and the typical fault can provide warning effect for the development process of other models.

Claims (8)

1. The fault information management system is characterized by comprising a terminal, an identity authentication system, a communication network and a background server center; the user logs in the terminal, the identity authentication system confirms user login identity information through a communication network and transmits the user information to the background server center through the communication network, the background server center displays application interfaces with different authorities on the terminal according to the user identity, and a fault information acquisition module, a fault information counting and monitoring module and a fault prediction module are arranged in the background server center; the fault information acquisition module is used for acquiring fault information, filing the approved fault information and the basis and method for processing the fault to generate standard fault information and linkage fault information; meanwhile, more than 5 times of standard faults which are the same fault reason and solution and have unit decision as typical faults and influence the development period for more than 1 month are approved and converted into typical faults to form corresponding design criteria; the fault information counting and monitoring module is used for monitoring, counting, classifying, inquiring and exporting the standard fault information generated by the fault information acquisition module; the fault prediction and early warning module performs mutual prediction between the total engine test hours, the accumulated MTBF of the engine and the instantaneous MTBF according to characteristic information in standard fault information filed by the fault information acquisition module; and if the fault caused by a certain factor is listed as a linkage fault, triggering fault early warning when the factor exists in other assemblies or designs.
2. The fault information management system according to claim 1, wherein a general user can perform fault information and processing method entry, fault information inquiry, and fault information statistics; the manager has the authority of the common user and the authority of the fault process approval and the fault-to-standard fault approval.
3. The fault information management system of claim 1, wherein the fault information collection module functions include standard fault handling, fault information archiving; and the standard fault processing function is used for information management of a key management link.
4. The system according to claim 3, wherein the key management links include new fault creation, fault acceptance, reliability countersigning, fault analysis, evaluation of effectiveness of corrective measures, and implementation of corrective measures.
5. The fault information management system of claim 1, wherein the monitoring functions of the information statistics and monitoring module include engine reliability growth, calendar time fault and fault zeroing statistics, fault responsibility statistics, fault unit distribution statistics, fault information notification, fault information query, fault linkage query; the engine reliability increase is used for displaying a cumulative increase curve, an instantaneous increase curve and a reliability increase rate of the engine to the current stage or any stage of assembly, a cumulative MTBF and an instantaneous MTBF; the calendar time fault and fault return-to-zero function is used for monitoring the quantity of faults and the quantity of fault return-to-zero in a time interval taking the year as a unit; the fault responsibility counting function is used for counting the fault responsibility distribution percentage of each design; the fault unit distribution statistical function is used for counting the fault distribution percentage of the system and the component; the fault information notification function is used for notifying the occurring fault information; the fault information query is used for querying fault information classification, comprehensively querying and deriving corresponding query results; the fault linkage query is used for classifying typical fault information, comprehensively querying and exporting corresponding query results.
6. The fault information management system of claim 1, wherein the prediction and early warning module includes means for predicting cumulative MTBF and instantaneous MTBF that the engine can reach based on the input total number of test hours, or predicting the total number of test hours to be invested based on the input MTBF target value; when the fault linkage early warning is used for a part used by a certain type of engine to have a fault, other engines use similar parts, and fault linkage can be triggered.
7. The fault information management system according to claim 5, wherein the information outputted by the monitoring and statistics functions of the fault information statistics and monitoring module is displayed in a graph manner.
8. The fault information management system according to claim 1, wherein the standard fault information and the linkage fault information are generated by the following process: after finding a fault, a common user logs in a fault information management system, enters a fault information acquisition module to fill in specific information, and enters a fault report auditing link after passing the approval of a fault auditor; after the failure auditor audits, performing preliminary failure judgment, giving failure processing time limit and assigning a failure processing department, and entering a reliability countersigning link; the reliability supervisor enters a fault analysis link after filling corresponding information and determining, and fault analysis personnel need to fill technical, management, troubleshooting measures and experience summary which cause faults and enter a correcting measure validity evaluation link after submitting; the fault analysis unit is responsible for developing, can effectively prevent faults or reduce the fault occurrence probability by analyzing and calculating and necessary test verification and evaluation corrective measures, and enters a corrective measure implementation link after confirming the effectiveness of the measures through evaluation; and the specified implementation unit carries out fault treatment according to the development of the correction measures and then forms standard fault information and linkage fault information.
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