CN104596564B - The system and method that sensor fault judges - Google Patents
The system and method that sensor fault judges Download PDFInfo
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- CN104596564B CN104596564B CN201510058256.2A CN201510058256A CN104596564B CN 104596564 B CN104596564 B CN 104596564B CN 201510058256 A CN201510058256 A CN 201510058256A CN 104596564 B CN104596564 B CN 104596564B
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Abstract
The invention discloses the system and method that a kind of sensor fault judges, according to the measured value that certain sample frequency gathers sensor；According to the measured value, the meansigma methodss of measured value in storehouse are calculated respectively, meansigma methodss are arranged according to numerical values recited, and calculates the maximum difference of meansigma methodss；If maximum difference is higher than certain value, sensor fault is judged；If certain props up sensor, certain measured value is output as full value, also judges sensor fault.The system and method that a kind of sensor fault of the present invention judges, it is achieved that the reliable judgement of sensor fault, it is ensured that the effectiveness of measurement process.
Description
Technical field
The present invention relates to sensor technical field, and in particular to the system and method that a kind of sensor fault judges.
Background technology
Whether effectively the reliability of industrial sensor measuring system, confidence and certainty of measurement determine measuring system, this
Directly affect the product quality and production process safety of industrial process.Give birth in the scientific research of the military project such as explosive wastewater, liquid propellant
Product field, the requirement to the effectiveness of sensor measuring system more project.Superhigh temperature, supertension, strong acid-base, Strong oxdiative, corruption
The extreme measuring environment such as corrosion, easily causes the aging of sensor element, causes measuring system precision to reduce even unreliable.Existing
Some sensor fault decision methods be regular dismounting sensor give possess specialty verification qualification mechanism carry out professional verification,
And some industrial occasions, sensor is not easy to remove or cannot dismantle.If being verified after dismounting, installation process is complicated and technology
Content is high, after repeatedly dismounting easily causes sensor degradation, and sensor installation, cannot also determine installation process to sensing
The precision of device measuring system affects.In field of sensor measurement, never occur not easy to remove or cannot provision for disengagement
Measurement sensor failure judgment method.
Content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided the system and method that a kind of sensor fault judges, for true
The sensor measurement data that protects under various measuring environments is reliable, effective.
The problems referred to above of prior art are considered, according to one side disclosed by the invention, the present invention adopts following technology
Scheme：
The system that a kind of sensor fault judges, it includes：
Sensor, for measuring environment signal；
Measurement module, for gathering the measured value of sensor according to certain sample frequency；
Fault verification computing module, for according to the measured value, calculating the meansigma methodss of measured value in storehouse respectively, to flat
Average is arranged according to numerical values recited, and calculates the maximum difference of meansigma methodss；If maximum difference is higher than certain value, sensor is judged
Failure；If certain props up sensor, certain measured value is output as full value, also judges sensor fault.
In order to the present invention is better achieved, further technical scheme is：
According to one embodiment of the invention, the design quantity of the measurement module is identical with number of sensors, capacity
It is the storehouse of floating type for time interval value, data type, according to FIFO principles, respectively sampled measurement is preserved.
The present invention can also be：
A kind of method that sensor fault judges, it includes：
Step one, the measured value of collection sensor；
Step 2, storehouse is stored in respectively to sampled data；
Step 3, the statistical average calculated in storehouse；
Step 4, judge whether the statistical average has reached the maximum range of sensor, in the statistical average
In the case of having reached sensor maximum range, then judge sensor fault；Sensor is not up to most in the statistical average
In the case of wide range, then meansigma methodss difference maximum is calculated, if maximum is more than permissible value, judge sensor fault, if
Maximum is not more than permissible value, then return to step one continues collection measurement value sensor.
Compared with prior art, one of beneficial effects of the present invention are：
The system and method that a kind of sensor fault of the present invention judges, it is achieved that the reliable judgement of sensor fault, really
The effectiveness of measurement process is protected.
Description of the drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for the description of prior art, it should be apparent that, drawings in the following description are only
It is the reference to some embodiments in present specification, for those skilled in the art, is not paying creative work
In the case of, can be obtaining other accompanying drawings according to these accompanying drawings.
Fig. 1 shows the system principle schematic diagram that sensor fault according to an embodiment of the invention judges.
Fig. 2 shows the method flow schematic diagram that sensor fault according to an embodiment of the invention judges.
Specific embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention not limited to this.
As shown in figure 1, the system that a kind of sensor fault judges, it includes：
Sensor, for measuring environment signal；Quantity at least 2, and technical parameter is identical, and attached comprising related installation
Part；
Measurement module, for gathering the measured value of sensor according to certain sample frequency；Measurement module can voluntarily be set
The measuring circuit of meter, or the measurement module using ripe microcontroller establishment, measuring instrumentss, or recording instrument without paper,
PLC etc.；Measurement module comprising the various indispensable electronic devices and components of establishment Measurement and Control System or module and installs adnexa；
Fault verification computing module, for according to the measured value, calculating the meansigma methodss of measured value in storehouse respectively, to flat
Average is arranged according to numerical values recited, and calculates the maximum difference of meansigma methodss；If maximum difference is higher than certain value, sensor is judged
Failure；If certain props up sensor, certain measured value is output as full value, also judges sensor fault.Computing module can be to measuring mould
The measurement data that block is obtained is calculated according to failure judgment method, and fault message is shown；Computing module can be that band storage is calculated
The special circuit of function, special measurement instrument, or industrial computer, it is desirable to which industrial computer can be communicated with measurement module；
The design quantity of the measurement module is identical with number of sensors, capacity be time interval value, data type is floating
The storehouse of point-type, according to FIFO (First In First OUT, FIFO) principle, is protected to sampled measurement respectively
Deposit.
Measure and control device system architecture to sum up is：" sensor+measuring circuit module+fault verification computing module ".Which is former
Manage and be：By sensor measuring environment signal, measurement data is obtained by measurement module, calculated by fault verification computing module
Afterwards, failure determination result is obtained.
As shown in Fig. 2 a kind of method that sensor fault judges, it includes：
Step one, the measured value of collection sensor；
Step 2, storehouse is stored in respectively to sampled data；
Meansigma methodss can be arranged by step 3, the statistical average calculated in storehouse according to numerical values recited；
Step 4, judge whether the statistical average has reached the maximum range of sensor, in the statistical average
In the case of having reached sensor maximum range, then judge sensor fault；Sensor is not up to most in the statistical average
In the case of wide range, then meansigma methodss difference maximum is calculated, if maximum is more than permissible value, judge sensor fault, if
Maximum is not more than permissible value, then return to step one continues collection measurement value sensor.
A kind of fault judgment method of the present invention, gathers measurement data, flat according to intervals computation and measurement data
Average, the difference of the meansigma methodss in the time interval of the several measuring loops of comparison, and maximum is calculated, if difference maximum is higher than
Certain numerical value, then judge measuring loop failure.
Above decision method can be applicable to warm isostatic pressing machine and the pressure transducer of hydraulic press, the failure of temperature sensor are sentenced
Fixed, improve equipment reliability of operation.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other
The difference of embodiment, identical similar portion cross-reference between each embodiment.
" one embodiment ", " another embodiment ", " embodiment " for being spoken of in this manual, etc., refer to tie
Specific features, structure or the feature for closing the embodiment description is included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that statement of the same race occur in multiple places in the description.Furthermore, it is understood that combine appointing
When one embodiment describes specific features, structure or a feature, to be advocated be realize with reference to other embodiment this
Feature, structure or feature also fall within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, in the range of disclosure and claim, can be to master
The building block of topic composite configuration and/or layout carry out multiple modifications and improvement.Except carried out to building block and/or layout
Modification and improvement are outer, and to those skilled in the art, other purposes also will be apparent.
Claims (2)
1. the system that a kind of sensor fault judges, it is characterised in that it includes：
Sensor, for measuring environment signal；
Measurement module, for gathering the measured value of sensor according to certain sample frequency；
Fault verification computing module, for according to the measured value, calculating the meansigma methodss of measured value in storehouse respectively, to meansigma methodss
Arrange according to numerical values recited, and calculate the maximum difference of meansigma methodss；If maximum difference is higher than certain value, sensor event is judged
Barrier；If certain props up sensor, certain measured value is output as full value, also judges sensor fault；The design quantity of the measurement module
The storehouse that, capacity identical with number of sensors is time interval value, data type is floating type, according to FIFO principles, right respectively
Sampled measurement is preserved.
2. the method that the sensor fault of the system that a kind of application sensor fault as claimed in claim 1 judges judges, which is special
Levy and be that it includes：
Step one, the measured value of collection sensor；
Step 2, storehouse is stored in respectively to sampled data；
Step 3, the statistical average calculated in storehouse；
Step 4, judge whether the statistical average has reached the maximum range of sensor, reach in the statistical average
In the case of sensor maximum range, then judge sensor fault；Sensor maximum is not up in the statistical average
In the case of journey, then meansigma methodss difference maximum is calculated, if maximum is more than permissible value, judge sensor fault, if maximum
Value is not more than permissible value, then return to step one continues collection measurement value sensor.
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| CN105425775B (en) * | 2015-12-04 | 2018-06-19 | 河南中烟工业有限责任公司许昌卷烟厂 | A kind of sensor fault automatic judging method and system |
| CN105574985B (en) * | 2015-12-17 | 2018-07-17 | 深圳怡化电脑股份有限公司 | A kind of test method and system of thickness transducer |
| CN106441404B (en) * | 2016-09-29 | 2019-01-25 | 武汉胜鹏智造科技有限公司 | The measuring management method of multimode intelligence instrument |
| CN106652407A (en) * | 2016-11-30 | 2017-05-10 | 深圳市跨业科技有限公司 | Wireless transmission based data acquisition system and acquisition method with ultra-low power consumption |
| US11402235B2 (en) | 2017-01-03 | 2022-08-02 | Intel Corporation | Sensor management and reliability |
| KR102103152B1 (en) * | 2018-03-14 | 2020-04-22 | (주)아이티공간 | Predictive maintenance method of driving device |
| CN110831050B (en) * | 2019-11-21 | 2022-09-30 | 武汉宝久智控科技有限公司 | Sensor node control method and system |
| CN113218198A (en) * | 2021-04-29 | 2021-08-06 | 苏州工业园区苏容电气有限公司 | Dynamic monitoring system and method for material level of top bin of submerged arc furnace |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954304A (en) * | 2014-05-21 | 2014-07-30 | 北京航天自动控制研究所 | Zero offset short and long-term change value testing method applied to MEMS (Micro-electromechanical Systems) inertia unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0266406A (en) * | 1988-09-01 | 1990-03-06 | Tokyo Keiki Co Ltd | Measuring instrument with automatic calibration function |
| JP5985140B2 (en) * | 2010-04-28 | 2016-09-06 | ソニー株式会社 | Fluorescence intensity correction method, fluorescence intensity calculation method, and fluorescence intensity calculation apparatus |
| CN103223901B (en) * | 2013-04-22 | 2015-07-08 | 长安大学 | Device and method for identifying abnormal running state of commercial vehicle |
| CN103942615B (en) * | 2014-04-15 | 2018-03-27 | 广东电网有限责任公司信息中心 | Noise elimination method |
| CN104265478B (en) * | 2014-05-28 | 2016-07-27 | 北京理工大学 | Determine supercharged diesel engine air inlet pressure sensor whether exception and method for diagnosing faults |
| CN104316729B (en) * | 2014-11-13 | 2017-01-25 | 成都运达科技股份有限公司 | Self-diagnosis method of acceleration sensors for locomotive bogie detection |
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| CN103954304A (en) * | 2014-05-21 | 2014-07-30 | 北京航天自动控制研究所 | Zero offset short and long-term change value testing method applied to MEMS (Micro-electromechanical Systems) inertia unit |
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