CN104793609B - A kind of adaptive optics electric-control system self-inspection and fault diagnosis expert system - Google Patents
A kind of adaptive optics electric-control system self-inspection and fault diagnosis expert system Download PDFInfo
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- CN104793609B CN104793609B CN201510229067.7A CN201510229067A CN104793609B CN 104793609 B CN104793609 B CN 104793609B CN 201510229067 A CN201510229067 A CN 201510229067A CN 104793609 B CN104793609 B CN 104793609B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0275—Fault isolation and identification, e.g. classify fault; estimate cause or root of failure
- G05B23/0278—Qualitative, e.g. if-then rules; Fuzzy logic; Lookup tables; Symptomatic search; FMEA
Abstract
The invention discloses a kind of adaptive optics electric-control system self-inspection and fault diagnosis expert system.Failure tree analysis (FTA) of the invention based on adaptive optics system electric-control system, establishes self-inspection and the fault diagnosis expert system of system, and it mainly includes human-machine interface module, database module, inference engine module, and explanation module.It is described by adaptive optics system electric-controlled system fault analyze on the basis of, design generation fault Tree, the knowledge base of fault diagnosis expert system is generated by Tree Knowledge, fault diagnosis reasoning is carried out according to the knowledge base that fault tree generates again, optical system, electric-control system, the function of fault diagnosis expert system is finally realized.Regular maintenance and fault diagnosis work of the present invention suitable for adaptive optics system electric-control system.
Description
Technical field
The present invention relates to adaptive optics system field, and in particular in adaptive optics system field electric-control system from
Inspection and fault diagnosis content.
Background technology
Adaptive optics system is a set of large-scale complication system, and whole system is related to optics, machinery, electronics, control etc.
Different field, wherein electronic technology are even more to cover each stage such as collection-processing-correction-observation of adaptive optics system.
With the growing and maturation of adaptive optical technique, adaptive optics system is even more increasing applies in space flight, doctor
The different fields such as, astronomy, industry.The high complexity of adaptive optics system and extensively using also to the reliable of its electric-control system
Property proposes higher requirement.For adaptive optics system electric-control system, system module is numerous and scattered, application
Environment is complicated and changeable, and internal system situation is also quite numerous and diverse.So the inspection for electric-control system running status is not only wasted greatly
The manpower and materials of amount, and be also difficult to carry out for the angle of system.And domestic adaptive optics system development starting compared with
Evening, subject system development is not also very sound, and the self-inspection and fault diagnosis research for electric-control system are domestic also seldom.So,
It is badly in need of a kind of effective easy-to-use real-time fault diagnosis and self-checking system during the routine use of system.Based on considerations above
We analyze the trouble point of adaptive optics electric-control system, and design error failure tree provides detection method, and write for each trouble point
The man machine operation interface of fault detect.The fault diagnosis expert system of the adaptive optics electric-control system of a set of simplification is set up, is had
The standby fault diagnosis functions to whole adaptive optics electric-control system.
The content of the invention
The present invention provides a kind of self-inspection and the method design of fault diagnosis for adaptive optics system electric-control system.This hair
Bright purpose can be by fault detection and diagnosis of the man-machine interface realization to adaptive optics system electric-control system of system
Field Force is and guided to be investigated, it is ensured that electric-control system is effectively run.
The technology of the present invention solution is the failure tree analysis (FTA) based on adaptive optics system electric-control system, establishes system
Self-inspection and fault diagnosis expert system, its mainly include human-machine interface module, database module, inference engine module, and solution
Release module.Described human-machine interface module is mainly connected with database module, explanation module, inference engine module.
Further, described database module is mainly connected with inference engine module, human-machine interface module, explanation module.
Database module mainly includes (1) system intialization database, storage optical system electric-controlled system fault identifying processing prepared in advance
Expertise；(2) administrative analysis module, system recorder memory fault log, system failure maintenance record updates initialized data base
In troubleshooting method.
Further, the major function of described inference engine module includes (1) editor's setting in advance diagnostic logic flow, when
System is supplied to self-inspection and fault diagnosis expert system to call when breaking down；(2) examined using rule-based self-inspection and failure
Disconnected expert system：General type is：if<Premise>then<Conclusion>.
Further, described failure tree analysis (FTA) can show to be likely to result in many factors of the system failure in detail, judge
System design weak link, instructs self-inspection and the Fault Diagnosis Expert System Design of system.
Further, the described self-inspection of adaptive optics system electric-control system and the Expert System Design of fault diagnosis and
Diagnosis algorithm is as follows：(1) analysis system failure, design generation fault tree；(2) according to fault tree design system initialized data base；
(3) system gathers each hardware module information of optical system, electric-control system in real time；(4) inference engine module is called according to return information
Judgement system whether there is failure；(5) contrasted if there is failure with knowledge base, obtain treating method, and record this failure
Information.
Brief description of the drawings
Fig. 1 for adaptive optics system electric-control system of the present invention self-inspection and fault diagnosis expert system composition illustrate
Figure.
Fig. 2 is adaptive optics system electric-controlled system fault tree schematic diagram.
Fig. 3 for adaptive optics system electric-control system self-inspection and fault diagnosis expert system schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings and specific implementation further illustrate the present invention.
As shown in figure 1, the self-inspection of adaptive optics system electric-control system and the Expert System Design of fault diagnosis and diagnosis
Step is as follows：Analysis system failure, design generation fault tree (such as Fig. 2)；According to fault tree design system initialized data base；System
Optical system, each hardware module information of electric-control system are gathered in real time；The inference engine module judgement system is called to be according to return information
It is no to there is failure；If having failure to contrast with knowledge base, treating method is obtained, and record this fault message.
Main to be exported by human-computer interaction interface typing, show fault message, system design initialized data base belongs to data
Library module includes storage optical system electric-controlled system fault identifying processing expertise prepared in advance.Database module record analysis
System failure daily record, system failure maintenance record updates the troubleshooting method in initialized data base.Inference engine module is compiled in advance
Setting diagnostic logic flow is collected, is supplied to self-inspection and fault diagnosis expert system to call when system breaks down；Diagnostic process
The main fault eigenvalue that malfunctioning module is obtained by system command, by characteristic value and system fault information data set in advance
Storehouse is compared, so that failure judgement type and abort situation；Using rule-based self-inspection and fault diagnosis expert system：One
As form be：if<Premise>then<Conclusion>.
It is as shown in Figure 2 according to network analysis result design system fault tree.Wherein content representated by sequence number is as shown in table 1.
Table 1
Self-inspection and Fault Diagnosis Expert System Design are completed according to Fig. 2 fault trees schematic diagram, the self-inspection and fault diagnosis are special
Family's system software schematic block diagram is as shown in Figure 3.According to the composition of adaptive optics system electric-control system, it is contemplated that system it is easy-to-use
Property and reasonability, the present invention content (i.e. adaptive optics system electric-control system) to be detected is broadly divided into supplementary module, ripple
Pre-processing module, data transmission module three parts.Supplementary module mainly include power-supply system, check power-supply system whether on
Whether electricity, relay work is normal, the content such as whether output voltage is normal.Wavefront processing module mainly includes wave front processor system
We mainly enter to its control end and data receiver in system and high-voltage drive system two large divisions, wave front processor system
Row detection.Predominantly detect wave front processor whether normal for sending and receiving for order, the reception of detection data and image is
It is no normal.We will also come back for inspection in addition to being detected to control end to plurality of voltages in high-voltage drive system
Survey, by sending fixed voltage to high-voltage drive system, judge whether return voltage is normal.In data transmission module we
Whether the configuration for predominantly detecting the network switch correct, optical fiber switch for multi-channel optical fibre signal reception and distribute whether just
Really.Whether detection wherein topmost or to camera adapting system, detection data conversion card reception camera data is normal, number
Whether normal etc. the control command for snapping into camera according to conversion sends.
Claims (3)
1. a kind of adaptive optics electric-control system self-inspection and fault diagnosis expert system, it is characterised in that：Based on adaptive optics
The failure tree analysis (FTA) of system electric control system, sets up self-inspection and the fault diagnosis expert system of system, and it mainly includes man-machine interface
Module, database module, inference engine module, and explanation module；Described human-machine interface module and database module, explanation mould
Block, inference engine module are connected；
Database module is connected with inference engine module, human-machine interface module, explanation module, and it is pre- that database module includes (1) system
Put database, storage optical system electric-controlled system fault identifying processing expertise prepared in advance；(2) administrative analysis module, note
Analysis system fault log is recorded, system failure maintenance record updates the fault handling method in initialized data base；
Electric-control system mainly includes supplementary module, wavefront processing module, the part of data transmission module three；Supplementary module mainly includes
Power-supply system, checks the whether upper electricity of power-supply system, and whether relay work is normal, and whether output voltage is normal；Wavefront handles mould
Block mainly includes wave front processor system and high-voltage drive system two large divisions, in wave front processor system to its control end with
And data receiver is detected, wave front processor whether normally sending and receiving for order is predominantly detected, data are detected
Whether the reception with image is normal；Will also be to plurality of voltages in addition to being detected to control end in high-voltage drive system
Detection is come back for, by sending fixed voltage to high-voltage drive system, judges whether return voltage is normal；In data transfer
Whether the configuration that the network switch is predominantly detected in module is correct, reception and distribution of the optical fiber switch for multi-channel optical fibre signal
It is whether correct；Wherein also camera adapting system is detected, whether detection data conversion card reception camera data is normal, data
Whether normal the control command that conversion snaps into camera sends.
2. adaptive optics electric-control system self-inspection according to claim 1 and fault diagnosis expert system, it is characterised in that：
The diagnostic logic flow of editor's setting in advance, is supplied to self-inspection and fault diagnosis expert system to call when system breaks down.
3. the self-inspection of adaptive optics electric-control system and fault diagnosis expert system according to one of claim 1 to 2, it is special
Levy and be：System self-test and diagnosis algorithm are as follows：(1) analysis system failure, design generation fault tree；(2) set according to fault tree
Meter systems initialized data base；(3) expert system gathers each hardware module information of optical system, electric-control system in real time；(4) basis is returned
Letter in reply breath calls inference engine module judgement system to whether there is failure；(5) if there is failure, contrast, handled with knowledge base
Method, and record this fault message.
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| CN105404217A (en) * | 2015-10-21 | 2016-03-16 | 中国科学院光电技术研究所 | Detectable adaptive optical electric control system and design method thereof |
| CN109669439A (en) * | 2018-12-14 | 2019-04-23 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft utilities system health controller and management method based on fault tree |
| CN111483469B (en) * | 2020-04-27 | 2021-08-03 | 湖南大学 | Analysis and test method for fault diagnosis of electric vehicle controller |
| CN111694344B (en) * | 2020-06-19 | 2023-09-15 | 海南大学 | Potato harvester fault diagnosis system and method |
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| JPH0934536A (en) * | 1995-07-25 | 1997-02-07 | Hitachi Ltd | Device and method for fault diagnosis |
| US6907545B2 (en) * | 2001-03-02 | 2005-06-14 | Pitney Bowes Inc. | System and method for recognizing faults in machines |
| CN101093559B (en) * | 2007-06-12 | 2010-06-23 | 北京科技大学 | Method for constructing expert system based on knowledge discovery |
| CN101515176B (en) * | 2008-08-29 | 2012-02-08 | 郭春勇 | Detection device and detection method for electric control system |
| CN101877075B (en) * | 2009-10-29 | 2013-02-27 | 北京航空航天大学 | Fault diagnosis knowledge acquiring system |
| CN104376033B (en) * | 2014-08-01 | 2017-10-24 | 中国人民解放军装甲兵工程学院 | A kind of method for diagnosing faults based on fault tree and database technology |
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