CN101626275A - Method and device for detecting system fault - Google Patents
Method and device for detecting system fault Download PDFInfo
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- CN101626275A CN101626275A CN200910162119A CN200910162119A CN101626275A CN 101626275 A CN101626275 A CN 101626275A CN 200910162119 A CN200910162119 A CN 200910162119A CN 200910162119 A CN200910162119 A CN 200910162119A CN 101626275 A CN101626275 A CN 101626275A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention relates to a method for detecting system fault, which comprises the following steps: determining the reason fault reliability corresponding to the reason related with physical quantity to be detected; and when judging that the value of the physical quantity to be detected changes to cause the faults of the system function according to the reason fault reliability, sending alarm prompt information. The embodiment of the invention provides a device for detecting the system fault. The possibility of generating the reason fault is evaluated by adopting the reason fault reliability instead of simple two-valued logic judgment, so the occurrences of detection leakage or false detection generated when the analog quantity faults are detected are avoided, and the accuracy of the system fault detection is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and device of system failure detection.
Background technology
Because the situation of multiple analog quantity coupling is more in the communication system, therefore, the fault detect of certain analog quantity is relevant with the failure condition of its other related analog quantitys, and when this analog quantity exists during the characteristic of change, fault detect is also relevant with himself time-varying characteristics.May cause physical quantity (comprising analog quantity and digital quantity) thus numerical value change reason that the function that causes system breaks down be called root because of, root causes that because of the numerical value (being that root is because of value) of physical quantity corresponding changes the numerical value of physical quantity to be detected changes, and hinders for some reason thereby be called root when causing the function of system to break down.For example, the output current of certain device is subjected to veneer temperature and self output voltage influence may cause fault, then described veneer temperature and output voltage be exactly described output current fault root because of.At present, a kind of analog quantity detection method of extensive employing is, determine the threshold value that root hinders for some reason according to artificial experience, the root to input hinders for some reason because of value judges whether to produce root by two-valued function then, and then hinders for some reason and finally determine whether to produce fault warning by mating each related root.Still carrying out fault detect with the output current to certain device is example, and too high when the veneer temperature, and/or output voltage is when excessive, and output current ANOMALOUS VARIATIONS will take place produces the systemic-function fault.According to artificial experience design temperature threshold value is 80 degree, and voltage threshold is 4.5 volts, and when the veneer temperature surpasses 80 degree, or output voltage then sends the output current fault warning during above 4.5 volts.
The inventor finds that there are the following problems at least in the prior art in realizing process of the present invention:
Judge the generation that root hinders for some reason by two-valued function, can not truly reflect the actual characteristic of analog quantity, cause the omission or the flase drop of analog quantity fault detect easily, reduced the accuracy of system failure detection.
Summary of the invention
Embodiments of the invention provide a kind of method and device of system failure detection, thereby avoid the omission of analog quantity fault detect and the generation of flase drop situation.
The objective of the invention is to be achieved through the following technical solutions:
A kind of method of system failure detection comprises:
Determine that root that physical quantity to be detected is associated hinders confidence level for some reason because of the root of correspondence;
Hinder numerical value that confidence level judges described physical quantity to be detected for some reason according to described and change the function that causes system when breaking down, send alarm prompt.
A kind of device of system failure detection comprises:
Root hinders detection module for some reason, is used for determining that root that physical quantity to be detected is associated hinders confidence level for some reason because of the root of correspondence;
The alarm judge module is used for hindering root that detection module determines for some reason according to described and hinders numerical value that confidence level determines described physical quantity to be detected for some reason and change the function that causes system when breaking down, and sends alarm prompt.
The technical scheme that is provided by the embodiment of the invention described above as can be seen, in the embodiment of the invention, because no longer adopting simple two-valued function judges, but adopt root to hinder the generation that confidence level judges that root hinders for some reason for some reason, the omission when therefore having avoided the analog quantity fault detect or the generation of flase drop situation have improved the accuracy of system failure detection.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the processing procedure schematic diagram of Application Example one of the present invention;
Fig. 2 is the processing procedure schematic diagram of Application Example two of the present invention;
The structural representation of the device that Fig. 3 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of method of system failure detection, can be used for analog quantity is carried out fault detect, also can be used for digital quantity is carried out fault detect.Described system failure detection method comprises: determine that root that physical quantity to be detected is associated hinders confidence level for some reason because of the root of correspondence; Hinder numerical value that confidence level judges described physical quantity to be detected for some reason according to described and change the function that causes system when breaking down, send alert information.Wherein, described hinders confidence level for some reason and is meant that root causes that because of the numerical value change of physical quantity corresponding the numerical value of physical quantity to be detected changes, thereby the possibility that the function that causes system breaks down, promptly root hinders the possibility of generation for some reason, specifically can wait with numerical value or percentage and represent.
Among the invention described above embodiment, introduced the notion of confidence level and represented that root hinders the possibility of generation for some reason.Hinder confidence level for some reason when representing with numerical value when described, span is between 0～1, and it is big more that the big more expression of value produces the possibility that root hinders for some reason.Still carrying out fault detect with the output current to certain device is example, and it is that to hinder confidence level for some reason be 0.79 to 0.8,79 root when spending that the root of supposing output current therefore, the root of veneer temperature when 80 spend hinder confidence level for some reason.And the temperature threshold values of setting in the prior art is 80 degree, when the veneer temperature is 79 when spending, fault detection method according to prior art judges, because this veneer temperature surpasses threshold value, so can not think that the veneer temperature is too high during output current generation ANOMALOUS VARIATIONS and causes.But in fact, 79 degree also cause the ANOMALOUS VARIATIONS of output current probably.By adopting root to hinder confidence level for some reason the ANOMALOUS VARIATIONS of physical quantity to be detected is judged in the embodiment of the invention, thereby the situation of omission or flase drop takes place when having avoided that system carried out fault detect, has improved stability and accuracy that system detects.In addition, the fault detection method that the embodiment of the invention provides both had been applicable to the detection of analog quantity, also was applicable to the detection of digital quantity, and two kinds of detection methods are united, and had reduced the complexity that realizes.
In the technical scheme that the invention described above embodiment provides, describedly determine that root that physical quantity to be detected is associated because of the operation that the root of correspondence hinders confidence level for some reason specifically can be: obtain the root that is associated with physical quantity to be detected because of root because of value, described because of value be root because of the quantification value; According to described because of value, and predefined described hinder reliability function for some reason because of being worth corresponding root, determines that root hinders confidence level for some reason because of the root of correspondence.Described hinders reliability function for some reason and can obtain by test.For example, the output current of certain device is relevant with veneer temperature and output voltage, and then when output current is carried out fault detect, the root that need obtain veneer temperature and output voltage is because of value, just veneer temperature value and output voltage values; As input, the root by the veneer temperature hinders reliability function for some reason and calculates with described veneer temperature value, and the root that obtains the veneer temperature hinders confidence level for some reason; As input, the root by output voltage hinders reliability function for some reason and calculates with described output voltage values, and the root that obtains output voltage hinders confidence level for some reason.Wherein, the root of the described veneer temperature root that hinders reliability function and output voltage for some reason hinders reliability function for some reason and can obtain by test.Described test can for by repeatedly measure root because of root because of value, statistics obtains root and hinders reliability function for some reason.
In the embodiment of the invention,, promptly only there is "Yes" or "No" if the type that root hinders for some reason is the two-valued function type; " 0 " or " 1 " or the like two kinds of values, then described hinders confidence level for some reason and only gets " 0 " or " 1 " two values.Therefore, the fault detect mode compatibility that can also judge traditional two-valued function of the method that provides of the embodiment of the invention.
Root that physical quantity a plurality of and to be detected is associated because of in, the influence difference of each root because of physical quantity to be detected is produced.In order to distinguish the different specific weight of each root because of physical quantity to be detected is exerted an influence, in the embodiment of the invention, each hinders the confidence level weight with the root that physical quantity to be detected is associated for some reason because of corresponding one predefined, described hinders the confidence level weight for some reason and is used for being described in definite root and hinders the influence that under the confidence level described physical quantity to be detected is produced for some reason, determine that according to the relevance of Gen Yin and physical quantity to be detected is strong and weak all roots that physical quantity to be detected is associated are 1 because of the root of correspondence hinders confidence level weight sum for some reason.And described hinders the confidence level weight for some reason and can be kept in the database, thereby the online according to actual needs new database of carrying out is more upgraded root and hindered the confidence level weight for some reason.As a kind of special circumstances, when certain root is 1 because of the weight at certain physical quantity to be detected, represent that the numerical value change of described physical quantity to be detected causes the functional fault generation of system to hinder decision for some reason by this root fully; When certain root is 0 because of the weight at certain physical quantity to be detected, represent that the numerical value change of described physical quantity to be detected causes the functional fault generation of system to hinder irrelevant for some reason with this root.
Hindering numerical value that confidence level judges described physical quantity to be detected for some reason according to described and change the function that causes system when breaking down described in the invention described above embodiment, the operation that sends alarm prompt specifically comprises: described root because of correspondence hindered confidence level for some reason mate with predefined alarm generation judgment condition, if coupling, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt; Perhaps, each hinders the confidence level weight with the root that physical quantity to be detected is associated for some reason because of corresponding one predefined, described root because of correspondence hindered confidence level for some reason, and corresponding root hinders the confidence level weight for some reason, producing judgment condition with predefined alarm mates, if coupling, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt.In the system, alarm generation judgment condition has a plurality of, can be numbered for described alarm produces judgment condition, and the numbering of specifying one or more alarms to produce the judgment condition correspondences is used for mating.For example and without limitation, described alarm produces judgment condition and specifically can be: if described hinders confidence level for some reason greater than first set point, then the numerical value of definite described physical quantity to be detected changes and causes the functional fault of system; Perhaps, greater than second set point, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down as if described weighted value that hinders the reliability weight for some reason; Or the like.
Described alarm prompt comprises: the root that warning information and one or more and described physical quantity to be detected are associated hinders confidence level for some reason, and described warning information is used for the function of apprizing system and breaks down.For example and without limitation, the root that described one or more and described physical quantity to be detected is associated because of, be the root that is associated with described physical quantity to be detected because of in, root hinder for some reason the root in the first alarming threshold value of setting with a high credibility because of, perhaps the root that is associated with described physical quantity to be detected because of in, the weighted value that root hinders the confidence level weight for some reason be higher than setting the second alarming threshold value root because of, or the like.Can also comprise in the described alarm prompt described because of root hinder confidence level for some reason, and/or described weighted value.In traditional method, in warning information, can only provide a root and hinder for some reason, in the method that the invention described above embodiment provides, can provide possible a plurality of reasons, be convenient to fix a breakdown fast and accurately.Wherein, the root that the one or more and described physical quantity to be detected that comprises in the described alarm prompt is associated is different with above-mentioned first set point or second set point because of the first alarming threshold value that relates to or the second alarming threshold value.Described first set point or second set point are used for judging whether the function of system breaks down, need to send alarm prompt, herein the first alarming threshold value and the second alarming threshold value are used for judging whether corresponding root because of the part as alarm prompt.
Among the invention described above embodiment, predefined hinders reliability function, root for some reason and hinders the numbering that confidence level weight and alarm produce judgment condition/alarm generation judgment condition for some reason and can be stored in the database, and can dynamically update.For example, when according to running situation, the root of function to be detected needs corresponding increase or deletion or revises root to hinder reliability function for some reason when changing, and then realizes by the corresponding contents of revising in the database.Can also hinder the confidence level weight for some reason to root makes amendment.For example, when the root factor amount that is associated when physical quantity to be detected changes, need readjust each root and hinder the confidence level weight for some reason because of the root of correspondence; Again for example, along with the operation of system, the root that physical quantity to be detected is associated can change because of the influence to physical quantity to be detected, and also need to change corresponding root and hinder the confidence level weight for some reason this moment.As seen, the embodiment of the invention can realize the parameter in system's testing process and the dynamic adjustable of logical relation by the change database, and need not software code is made amendment, and has strengthened the extensibility of system.
To be described in detail the specific implementation of the embodiment of the invention in actual application below.
Application Example one
In the Application Example one of the present invention, two physical quantitys to be detected of A and B are arranged, and two physical quantitys to be detected are analog quantity.The root that is associated with A is because of being a and b, and the root that is associated with B is because of being b and c, and corresponding root hinders confidence level for some reason and is respectively ka, kb and kc.Store root in the database and hinder reliability function for some reason because of the root of a, b and c, corresponding root hinders the confidence level weight for some reason, and alarm produces judgment condition.Described hinders reliability function for some reason and is respectively ka=fa (Ia), kb=fb (Ib), kc=fc (Ic), and wherein Ia, Ib and Ic are respectively the quantification value of root because of a, b and c; Root hinders the confidence level weight for some reason and is respectively: root is 0.1 because of a hinders the confidence level weight for some reason at the root of A, root is 0.9 because of b hinders the confidence level weight for some reason at the root of A, root is 0.3 because of b hinders the confidence level weight for some reason at the root of B, and root is 0.7 because of c hinders the confidence level weight for some reason at the root of B; The alarm of A judgement generation condition be kA=F (0.1*ka, 0.9*kb), the alarm of B judgement generation condition be kB=F (0.3*kb, 0.7*kc).Described F (0.1*ka, 0.9*kb) expression hinders the weighted value that confidence level and corresponding root hinder the confidence level weight for some reason because of the root of a for some reason when root, perhaps when root hindered in the confidence level weighted value any one greater than certain set point for some reason because of the root of b hinders confidence level and corresponding root for some reason, the systemic-function fault took place to cause unusually in described A.Then, carry out fault detect and then produce the corresponding concrete processing procedure of alarming as shown in Figure 1, comprising:
Step 11, respectively obtain root because of the root of a, b and c because of value Ia, Ib and Ic;
Step 12, the root that calls in the database hinder reliability function fa, fb and fc for some reason, according to described Ia, Ib and Ic difference query function fa, fb and fc, obtain root and hinder confidence level ka, kb and kc for some reason;
Step 13, call that the root relevant with A hinders the confidence level weight for some reason and corresponding alarm produces judgment condition, the root that will be associated with A hinders confidence level ka and kb for some reason, and corresponding root hinders the confidence level weight for some reason, produce judgment condition kA=F (0.1*ka with alarm, 0.9*kb) mate, judge whether A takes place unusually, if, execution in step 14;
Call the root relevant and hinder confidence level weight and corresponding alarm generation judgment condition for some reason with B, the root that will be associated with B hinders confidence level kb and kc for some reason, and corresponding root hinders the confidence level weight for some reason, produce judgment condition kB=F (0.3*kb with alarm, 0.7*kc) mate, judge whether B takes place unusually, if, execution in step 14;
The alarm prompt of step 14, generation A and/or B, and send.
In system's running, if variation has taken place because of the root of correspondence because of the proportion that influences to physical quantity to be detected in the root of certain physical quantity to be detected, perhaps have root because of root hinder reliability function for some reason and need revise or the like, then can perhaps revise corresponding root and hinder the reliability function realization for some reason by revising the corresponding fault credibility weight of storing in the database.
In the Application Example one of the present invention owing to adopt root to hinder confidence level for some reason to the judging unusually of physical quantity to be detected, closing to reality situation more, thus effectively avoided the situation of omission or flase drop to take place, improved stability and accuracy that system detects.In addition, Application Example one of the present invention can realize the parameter in system's testing process and the dynamic adjustable of logical relation by the change database, and need not software code is made amendment, and has strengthened the extensibility of system.
Application Example two
In Application Example two of the present invention, certain physical quantity to be detected is A, and the root that is associated with A is because of being a and b, and corresponding root hinders confidence level for some reason and is respectively ka and kb.Store root in the database and hinder reliability function for some reason because of the root of a and b, corresponding root hinders the confidence level weight for some reason, and alarm produces judgment condition.Described hinders reliability function for some reason and is respectively ka=fa (Ia), kb=fb (Ib), and wherein, Ia, Ib and Ic are respectively the quantification value of root because of a, b and c, and ka and kb are two-valued function type data, and value is 0 or 1; Root hinders the confidence level weight for some reason and is respectively: root is 0.1 because of a hinders the confidence level weight for some reason at the root of A, and root is 0.9 because of b hinders the confidence level weight for some reason at the root of A; The alarm of A judgement generation condition be kA=F (0.1*ka, 0.9*kb).Then, carry out fault detect and then produce the corresponding concrete processing procedure of alarming as shown in Figure 2, comprising:
The alarm prompt of step 24, generation A, and send.
In system's running, if variation has taken place because of the root of correspondence because of the proportion that influences to physical quantity to be detected in the root of certain physical quantity to be detected, perhaps have root because of root hinder reliability function for some reason and need revise or the like, then can perhaps revise corresponding root and hinder the reliability function realization for some reason by revising the corresponding fault credibility weight of storing in the database.
In the Application Example two of the present invention owing to adopt root to hinder confidence level for some reason to the judging unusually of physical quantity to be detected, thereby avoided the situation of omission or flase drop to take place, improved stability and accuracy that system detects.In addition, Application Example two of the present invention can realize the parameter in system's testing process and the dynamic adjustable of logical relation by the change database, and need not software code is made amendment, and has strengthened the extensibility of system.
The all or part of step of realization said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored among a computer read/write memory medium or the CPU, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, Flash, magnetic disc or CD.
The embodiment of the invention also provides a kind of system failure detection device, its structure as shown in Figure 3, the specific implementation structure comprises:
Root hinders detection module 1 for some reason, is used for determining that root that physical quantity to be detected is associated hinders confidence level for some reason because of the root of correspondence;
Alarm judge module 2 is used for hindering root that detection module 1 determines for some reason according to described and hinders numerical value that confidence level determines described physical quantity to be detected for some reason and change the function that causes system when breaking down, and sends alarm prompt.
Wherein, described hinders confidence level for some reason and is meant that root causes that because of value changes the numerical value of physical quantity to be detected changes because of the root of correspondence, thereby the possibility that causes the function of system to break down can be used numeric representation, also can wait with percentage and represent.Hinder confidence level for some reason when using numeric representation when described, its span is between 0～1, and it is big more that the big more expression of value produces the possibility that root hinders for some reason.
The device that the embodiment of the invention provides is judged the fault detect of physical quantity to be detected owing to adopt root to hinder confidence level for some reason, thereby has avoided the situation of omission or flase drop to take place, and has improved stability and accuracy that system detects.
The device that the embodiment of the invention provides also comprises memory module 3, is used to store predefined and hinders reliability function for some reason; Accordingly, described hinders detection module 1 for some reason and specifically is used for: obtain the root that is associated with physical quantity to be detected because of root because of value, described because of value be root because of the quantification value; Obtain described of described memory module 3 storages and hinder reliability function for some reason because of being worth corresponding root; According to described because of value, and described hinder reliability function for some reason, determines that root hinders confidence level for some reason because of the root of correspondence.Wherein, described hinders reliability function for some reason and can obtain by test.
Root that physical quantity a plurality of and to be detected is associated because of in, the influence difference of each root because of physical quantity to be detected is produced.In order to distinguish of the influence of each root because of physical quantity to be detected is produced, in the device that the embodiment of the invention provides, described memory module 3 also is used to store each and hinders the confidence level weight with root that physical quantity to be detected is associated for some reason because of corresponding root, and predefined alarm produces the numbering that judgment condition or alarm produce judgment condition.
In the device that the invention described above embodiment provides, described alarm judge module 2 specifically is used for: obtain described and hinder the described root because of correspondence that detection module 1 determines for some reason and hinder confidence level for some reason; Obtaining described hinders the described root because of correspondence that detection module 1 determines for some reason and hinders confidence level for some reason; The alarm of obtaining memory module 3 storages produces judgment condition; Described root because of correspondence hindered confidence level and described alarm for some reason produce judgment condition and mate, if coupling, the numerical value of then determining described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt; Perhaps, described alarm judge module 2 specifically is used for: obtain described and hinder the described root because of correspondence that detection module 1 determines for some reason and hinder confidence level for some reason; The described root because of correspondence that obtains storage in the described memory module 3 hinders the confidence level weight for some reason, and alarm produces judgment condition; Hinder confidence level for some reason with described, and corresponding root hinders the confidence level weight for some reason, produces judgment condition with described alarm and mates, if coupling, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt.Wherein, described hinders the confidence level weight for some reason and is used for being described in definite root and hinders the influence that under the confidence level physical quantity to be detected is produced for some reason, determine that according to the relevance of Gen Yin and physical quantity to be detected is strong and weak all roots that physical quantity to be detected is associated are 1 because of the root of correspondence hinders confidence level weight sum for some reason.As a kind of special circumstances, when certain root because of weight when being 1, the change fault of the function that causes system of the numerical value of representing physical quantity to be detected produces and hinders decision for some reason by this root; When certain root because of weight when being 0, the change fault of the function that causes system of the numerical value of representing physical quantity to be detected produces and hinders irrelevant for some reason with this root.In the device that the embodiment of the invention provides,, increased the flexibility and the accuracy of system's operation because information stores in memory module, therefore can be carried out online updating to the information in the memory module.
Described alarm prompt comprises: the root that warning information and one or more and described physical quantity to be detected are associated breaks down because of, described warning information is used for the function of apprizing system.
Described and predefined alarm produces judgment condition and comprises: if described hinders confidence level for some reason greater than first set point, then the numerical value of described physical quantity to be detected changes and causes the function of system to break down; Perhaps, if described root because of correspondence hinders weighted value that confidence level and root at described physical quantity to be detected hinder the confidence level weight for some reason for some reason greater than second set point, then the numerical value of described physical quantity to be detected changes and causes the function of system to break down.
In the device that the invention described above embodiment provides, can hinder reliability function, root to the root of storage in the memory module 3 for some reason and hinder confidence level weight and alarm for some reason and produce judgment condition and dynamically update.For example, when according to running situation, the root of function to be detected needs corresponding increase or deletion or revises root to hinder reliability function for some reason when changing, and then realizes by the corresponding contents of revising in the memory module 3.Can also hinder the confidence level weight for some reason to root makes amendment.For example, when the root factor amount that is associated when physical quantity to be detected changes, need readjust each root and hinder the confidence level weight for some reason because of the root of correspondence; Again for example, along with the operation of system, the root that physical quantity to be detected is associated can change because of the influence to physical quantity to be detected, and also need to change corresponding root and hinder the confidence level weight for some reason this moment.As seen, the embodiment of the invention can realize the parameter in system's testing process and the dynamic adjustable of logical relation by the content of change in the memory module 3, and need not software code is made amendment, and has strengthened the extensibility of system.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1, a kind of method of system failure detection is characterized in that, comprising:
Determine that root that physical quantity to be detected is associated hinders confidence level for some reason because of the root of correspondence;
Hinder numerical value that confidence level judges described physical quantity to be detected for some reason according to described and change the function that causes system when breaking down, send alarm prompt.
2, method according to claim 1 is characterized in that, described hinders confidence level for some reason and be meant that root causes that because of value changes the numerical value of physical quantity to be detected changes because of the root of correspondence, thus the possibility that causes the function of system to break down.
3, method according to claim 2 is characterized in that, describedly determines that root that physical quantity to be detected is associated comprises because of the root of correspondence hinders confidence level for some reason:
Obtain the root that is associated with physical quantity to be detected because of root because of value, described because of value be root because of the quantification value;
According to described because of value, and predefined described hinder reliability function for some reason because of being worth corresponding root, determines that root hinders confidence level for some reason because of the root of correspondence.
4, according to any described method of claim 1～3, it is characterized in that, describedly hinder numerical value that confidence level judges described physical quantity to be detected for some reason according to described and change the function that causes system when breaking down, send alarm prompt and comprise:
Described root because of correspondence hindered confidence level and predefined alarm for some reason produce judgment condition and mate, if coupling, the numerical value of then determining described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt;
Perhaps,
Each hinders the confidence level weight with the root that physical quantity to be detected is associated for some reason because of corresponding one predefined, described root because of correspondence hindered confidence level for some reason, and corresponding root hinders the confidence level weight for some reason, producing judgment condition with predefined alarm mates, if coupling, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt.
5, method according to claim 4 is characterized in that, described alarm prompt comprises:
The root that warning information and one or more and described physical quantity to be detected are associated breaks down because of, described warning information is used for the function of apprizing system.
6, method according to claim 4 is characterized in that, described predefined alarm produces judgment condition and comprises:
If described hinders confidence level for some reason greater than first set point, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down;
Perhaps,
If described weighted value that hinders the confidence level weight for some reason is greater than second set point, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down.
7, a kind of device of system failure detection is characterized in that, comprising:
Root hinders detection module for some reason, is used for determining that root that physical quantity to be detected is associated hinders confidence level for some reason because of the root of correspondence;
The alarm judge module is used for hindering root that detection module determines for some reason according to described and hinders numerical value that confidence level determines described physical quantity to be detected for some reason and change the function that causes system when breaking down, and sends alarm prompt.
8, device according to claim 7 is characterized in that, described hinders confidence level for some reason and be meant that root causes that because of value changes the numerical value of physical quantity to be detected changes because of the root of correspondence, thus the possibility that causes the function of system to break down.
9, device according to claim 8 is characterized in that, this device also comprises memory module, is used to store predefined and hinders reliability function for some reason;
Described hinders detection module for some reason and specifically is used for:
Obtain the root that is associated with physical quantity to be detected because of root because of value, described because of value be root because of the quantification value;
Obtain described of described memory module storage and hinder reliability function for some reason because of being worth corresponding root;
According to described because of value, and described hinder reliability function for some reason, determines that root hinders confidence level for some reason because of the root of correspondence.
10, device according to claim 9 is characterized in that, described memory module also is used to store predefined alarm and produces judgment condition; Described alarm judge module specifically is used for: obtain described and hinder the described root because of correspondence that detection module determines for some reason and hinder confidence level for some reason; Obtain the alarm of storing in the described memory module and produce judgment condition; Described root because of correspondence hindered confidence level and described alarm for some reason produce judgment condition and mate, if coupling, the numerical value of then determining described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt;
Perhaps,
Described memory module also is used to store each and hinders the confidence level weight with root that physical quantity to be detected is associated for some reason because of corresponding root, and predefined alarm produces judgment condition; Described alarm judge module specifically is used for: obtain described and hinder the described root because of correspondence that detection module determines for some reason and hinder confidence level for some reason; Obtain the described root of storing in the described memory module and hinder the confidence level weight for some reason, and alarm produces judgment condition because of correspondence; Hinder confidence level for some reason with described, and corresponding root hinders the confidence level weight for some reason, produces judgment condition with described alarm and mates, if coupling, then the numerical value of definite described physical quantity to be detected changes and causes the function of system to break down, and sends alarm prompt.
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| CN200910162119.8A CN101626275B (en) | 2009-08-04 | 2009-08-04 | Method and device for detecting system fault |
| PCT/CN2010/075685 WO2011015135A1 (en) | 2009-08-04 | 2010-08-04 | Method and device for detecting system fault |
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| CN200910162119.8A CN101626275B (en) | 2009-08-04 | 2009-08-04 | Method and device for detecting system fault |
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Cited By (4)
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| WO2011015135A1 (en) * | 2009-08-04 | 2011-02-10 | 华为技术有限公司 | Method and device for detecting system fault |
| CN109376486A (en) * | 2018-12-04 | 2019-02-22 | 中国软件与技术服务股份有限公司 | A method of promoting Fault Diagnosis of Gear Case accuracy |
| CN113708959A (en) * | 2021-08-11 | 2021-11-26 | 新华三技术有限公司 | Rule base updating method, device and equipment |
| CN116661426A (en) * | 2023-07-14 | 2023-08-29 | 创域智能(常熟)网联科技有限公司 | Abnormal AI diagnosis method and system of sensor operation control system |
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| CN110147387B (en) * | 2019-05-08 | 2023-06-09 | 腾讯科技（上海）有限公司 | Root cause analysis method, root cause analysis device, root cause analysis equipment and storage medium |
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| CN1477353A (en) * | 2003-04-17 | 2004-02-25 | 上海交通大学 | Fuzzy diagnosis method for air conditioner refigerator failure |
| US20080112853A1 (en) * | 2006-08-15 | 2008-05-15 | Hall W Dale | Method and apparatus for analyte measurements in the presence of interferents |
| CN101408910A (en) * | 2008-05-12 | 2009-04-15 | 上海发电设备成套设计研究院 | Method for quantitatively evaluating safety of boiler parts |
| CN101626275B (en) * | 2009-08-04 | 2013-03-27 | 华为技术有限公司 | Method and device for detecting system fault |
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2009
- 2009-08-04 CN CN200910162119.8A patent/CN101626275B/en active Active
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| WO2011015135A1 (en) * | 2009-08-04 | 2011-02-10 | 华为技术有限公司 | Method and device for detecting system fault |
| CN109376486A (en) * | 2018-12-04 | 2019-02-22 | 中国软件与技术服务股份有限公司 | A method of promoting Fault Diagnosis of Gear Case accuracy |
| CN109376486B (en) * | 2018-12-04 | 2023-04-18 | 中国软件与技术服务股份有限公司 | Method for improving fault diagnosis accuracy of gear box |
| CN113708959A (en) * | 2021-08-11 | 2021-11-26 | 新华三技术有限公司 | Rule base updating method, device and equipment |
| CN113708959B (en) * | 2021-08-11 | 2023-08-25 | 新华三技术有限公司 | Rule base updating method, device and equipment |
| CN116661426A (en) * | 2023-07-14 | 2023-08-29 | 创域智能(常熟)网联科技有限公司 | Abnormal AI diagnosis method and system of sensor operation control system |
| CN116661426B (en) * | 2023-07-14 | 2023-09-22 | 创域智能(常熟)网联科技有限公司 | Abnormal AI diagnosis method and system of sensor operation control system |
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| WO2011015135A1 (en) | 2011-02-10 |
| CN101626275B (en) | 2013-03-27 |
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