CN105333907B - A kind of evaluation method of structural healthy monitoring system - Google Patents
A kind of evaluation method of structural healthy monitoring system Download PDFInfo
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- CN105333907B CN105333907B CN201510864115.XA CN201510864115A CN105333907B CN 105333907 B CN105333907 B CN 105333907B CN 201510864115 A CN201510864115 A CN 201510864115A CN 105333907 B CN105333907 B CN 105333907B
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Abstract
The invention discloses a kind of structural healthy monitoring systems, including the acquisition of sensing system, data and Transmission system, data managing and control system and assessment system；Data acquisition is connect with Transmission system and sensing system, picks up the collected signal of sensing system；Data acquisition is connect with Transmission system and data managing and control system, and data acquisition sends the signal picked up to data managing and control system with Transmission system and handles；Assessment system is connect with data managing and control system, and assessment system uses serviceability rate for evaluation index, is evaluated the handling result of data managing and control system.By using serviceability rate, this index evaluates the working condition of structural healthy monitoring system, the problem of ignoring structural healthy monitoring system institute gathered data quality good or not in the prior art is compensated for, more accurately comprehensively structural healthy monitoring system working condition is evaluated.
Description
Technical field
The present invention relates to monitoring structural health conditions fields, more particularly to a kind of structural healthy monitoring system and its evaluation side
Method.
Technical background
When the data to structural healthy monitoring system are acquired, three kinds of results can be obtained：Good data, missing data
And abnormal data；When evaluating at present structural healthy monitoring system, targeted object is good data, i.e., will collect
Data screened after, kick out of the data set after missing data and abnormal data；However, only according to good data to structure
Security performance is evaluated, and be ignored as between good data, missing data and abnormal data three out of proportion is brought
The problem of, i.e., whether data acquisition abnormal, the ropy problem of institute's gathered data, therefore can not obtain comprehensively accurate
True evaluation result.
In view of the evaluation defect of above-mentioned existing structural healthy monitoring system, the present inventor is based on being engaged in such product design
Manufacture abundant for many years practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found one
Kind novel structural healthy monitoring system and its evaluation method, make it have more practicability.
Invention content
The structural healthy monitoring system of the present invention, by using this index of serviceability rate to the work of structural healthy monitoring system
It is evaluated, compensates for the problem of ignoring structural healthy monitoring system institute gathered data quality good or not in the prior art, more
Accurately comprehensively structural healthy monitoring system working condition is evaluated.
The technical solution that the present invention takes is：A kind of structural healthy monitoring system, including sensing system, data acquisition with
Transmission system, data managing and control system and assessment system；
Data acquisition is connect with Transmission system and sensing system, the collected signal of pickup sensing system institute；Data
Acquisition is connect with Transmission system and data managing and control system, and data acquisition sends the signal picked up to data pipe with Transmission system
Control system is handled；
Assessment system is connect with data managing and control system, and assessment system uses serviceability rate for evaluation index, to data management and control system
The handling result of system is evaluated.
A kind of evaluation method of structural healthy monitoring system is applied to evaluation of the assessment system to data managing and control system；
The evaluation method includes the following steps：
(A) n first kind sensor in sensing system carries out information collection, and passes through data acquisition and Transmission system
It is sent to data managing and control system, data managing and control system counts collected health data amount x, and is recorded as x successively1、
x2、x3……xn；
(B) according to the proper property of first kind sensor, determine that first kind sensor ideally can collected number
According to total amount X；
(C) data managing and control system is according to following equation (1), to the serviceability rate of each sensor in first kind sensor by
One is calculated, and is recorded as η1 1、η1 2、η1 3……η1 n：
Wherein, n refers to the number of the type sensor；
(D) data managing and control system (3) is according to the result of calculation in step (C), using following equation (2), to structural health
The serviceability rate of first kind sensor is calculated in monitoring system：
Wherein,It refer to the serviceability rate of i-th of sensor in the first kind sensor；
(E) data managing and control system (3) carries out the serviceability rate of total health monitoring systems according to following equation (3)
It calculates：
Wherein：M refers to the number of types of sensor in whole system, wjRefer to the weights of jth class sensor serviceability rate, this
Place refers to the sample frequency of jth class sensor.
Further, the relationship between health data amount x and the total amount of data X is：
X=X- missing datas amount-abnormal data amount
Wherein, the abnormal data refer to after repairing still can not reaction structure or environment actual conditions data.
Further, abnormal data includes that data jump point, data wander, long week interference or small noise interference, very noisy are done
Any one disturbed or more.
After using above-mentioned technical proposal, the present invention has advantageous effect below：
1, by using serviceability rate, this evaluation index evaluates the work of structural healthy monitoring system, compensates for existing
There is the problem of ignoring structural healthy monitoring system institute gathered data quality good or not in technology, it is more accurate and comprehensively strong to structure
Health monitoring system health is evaluated；
2, serviceability rate definition is succinct, and formula is simple, convenience of calculation；
3, serviceability rate successively calculates, and can reflect the operating condition of single sensor, can reflect certain type sensor
Operating condition can reflect the operating condition of whole system；
4, serviceability rate can be designed as structural healthy monitoring system, be established, inspection is commented, safeguarded, upgrading, rebuilding, abolishing
Index or foundation.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it is therefore apparent that the accompanying drawings in the following description is only this hair
Some embodiments described in bright, for those of ordinary skill in the art, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of schematic diagram of structural healthy monitoring system of the present invention；
Mark meaning is in attached drawing：1 sensing system, the acquisition of 2 data and Transmission system, 3 data managing and control systems, 4 assessments
System.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work, should all belong to protection of the present invention
Range.
The embodiment of the present invention is write by the way of progressive.
As shown in Figure 1, the present embodiment provides a kind of structural healthy monitoring system, including the acquisition of sensing system 1, data with
Transmission system 2, data managing and control system 3 and assessment system 4；Data acquisition is connect with Transmission system 2 and sensing system 1, is picked up
1 collected signal of sensing system；Data acquisition is connect with Transmission system 2 and data managing and control system 3, the signal that will be picked up
Send data managing and control system 3 to；Assessment system 4 is connect with data managing and control system 3, and assessment system 4 uses serviceability rate to refer to for assessment
Mark, evaluates the handling result of data managing and control system 3；By using serviceability rate this index to structural healthy monitoring system
Work evaluated, compensate for the problem of ignoring structural healthy monitoring system institute gathered data quality good or not in the prior art,
Such as good data ratio in whole-sample data is too small, more accurately and comprehensively to structural healthy monitoring system work shape
Condition is evaluated
A kind of evaluation method of structural healthy monitoring system is applied to evaluation of the assessment system 4 to data managing and control system 3；
Evaluation method includes the following steps：
(A) n first kind sensor in sensing system 1 carries out information collection, and acquires by data and transmit system
System 2 is sent to data managing and control system 3, and data managing and control system 3 counts collected health data amount x, and records successively
For x1、x2、x3……xn；
(B) according to the proper property of first kind sensor, determine that first kind sensor ideally can collected number
According to total amount X；
(C) data managing and control system (3) is according to following equation (1), in first kind sensor each sensor it is intact
Rate is calculated one by one, and is recorded as η1 1、η1 2、η1 3……η1 n：
Wherein, n refers to the number of the first kind sensor；
(D) data managing and control system (3) is according to the result of calculation in step (C), using following equation (2), to the structure
The serviceability rate of first kind sensor described in health monitoring systems is calculated：
Wherein,It refer to the serviceability rate of i-th of sensor in the first kind sensor；
(E) data managing and control system (3) is according to following equation (3), to the serviceability rate of the entire structural healthy monitoring system
It is calculated：
Wherein：M refers to the number of types of sensor in whole system, wjRefer to the weights of jth class sensor serviceability rate, this
Place refers to the sample frequency of jth class sensor.
The formula of serviceability rate is succinctly understandable, and calculation is simple；It successively calculates, is obtained during calculating more comprehensively
Analysis data, include the operation of the operating condition of single sensor, the operating condition of certain type sensor and whole system
Situation.
In the above method, the relationship between health data amount x and the total amount of data X is：
X=X- missing datas amount-abnormal data amount
Wherein, the abnormal data refer to after repairing still can not reaction structure or environment actual conditions data, it is different
Regular data include in data jump point, data wander, long week interference, small noise interference or very noisy interference any one and with
On, serviceability rate can design as structural healthy monitoring system, establish, the inspection index commenting, safeguard, upgrade, rebuild, abolish or according to
According to.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (3)
1. a kind of evaluation method of structural healthy monitoring system, which is characterized in that the structural healthy monitoring system, including sensing
Device system (1), data acquisition and Transmission system (2), data managing and control system (3) and assessment system (4)；
The data acquisition is connect with Transmission system (2) and the sensing system (1), picks up the sensing system (1) institute
Collected signal；
The data acquisition is connect with Transmission system (2) and the data managing and control system (3), the data acquisition and Transmission system
(2) signal picked up is sent to the data managing and control system (3) to handle；
The assessment system (4) connect with the data managing and control system (3), and the assessment system (4) uses serviceability rate for assessment
Index evaluates the handling result of the data managing and control system (3)；
The assessment system (4) includes the following steps the evaluation method of the data managing and control system (3)：
(A) n first kind sensor in the sensing system (1) carries out information collection, and by data acquisition with
Transmission system (2) is sent to the data managing and control system (3), and the data managing and control system (3) is to collected health data amount x
It is counted, and is recorded as x successively1、x2、x3……xn；
(B) according to the proper property of the first kind sensor, determine that the first kind sensor can ideally collect
Total amount of data X；
(C) the data managing and control system (3) is according to following equation (1), to each sensor in the first kind sensor
Serviceability rate is calculated one by one, and is recorded as η1 1、η1 2、η1 3……η1 n：
Wherein, n refers to the number of the first kind sensor, and k refers to k-th of sensor in the first kind sensor；
(D) the data managing and control system (3) is according to the result of calculation in step (C), using following equation (2), to the structure
The serviceability rate of first kind sensor described in health monitoring systems is calculated：
Wherein,It refer to the serviceability rate of i-th of sensor in the first kind sensor；
(E) the data managing and control system (3) is according to following equation (3), to the serviceability rate of the entire structural healthy monitoring system
It is calculated：
Wherein：M refers to the number of types of sensor in the entire structural healthy monitoring system, wjRefer to that jth class sensor is intact
The weights of rate, referred to herein as the sample frequency of the jth class sensor.
2. the evaluation method of structural healthy monitoring system according to claim 1, which is characterized in that
Relationship between the health data amount x and the total amount of data X is：
X=X- missing datas amount-abnormal data amount
Wherein, the abnormal data amount refer to after repairing still can not reaction structure or environment actual conditions data.
3. the evaluation method of structural healthy monitoring system according to claim 2, which is characterized in that the abnormal data amount
Including in data jump point, data wander, long week interference, small noise interference or very noisy interference any one or more.
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| CN111007108A (en) * | 2019-10-30 | 2020-04-14 | 哈尔滨工业大学（威海） | Novel welding structure health monitoring system and method |
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| CN101714190A (en) * | 2009-11-20 | 2010-05-26 | 重庆大学 | Role diagnostic system for bridge structural state |
| CN102147597A (en) * | 2010-02-10 | 2011-08-10 | 广州大学 | Health monitoring system for structures of great building and bridge |
| CN104794206A (en) * | 2015-04-23 | 2015-07-22 | 国网山东省电力公司 | Transformer substation data quality evaluation system and method |
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2015
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|---|---|---|---|---|
| EP1109101A2 (en) * | 1999-12-16 | 2001-06-20 | Xerox Corporation | Systems and methods for failure prediction, diagnosis and remediation using data acquisition and feedback for a distributed electronic system |
| CN1547145A (en) * | 2003-12-08 | 2004-11-17 | 西安交通大学 | Dynamic detecting and ensuring method for equipment operating status data quality |
| CN1982848A (en) * | 2006-06-15 | 2007-06-20 | 华为技术有限公司 | Information inspecting controller based on sensor and its inspection |
| CN101714190A (en) * | 2009-11-20 | 2010-05-26 | 重庆大学 | Role diagnostic system for bridge structural state |
| CN102147597A (en) * | 2010-02-10 | 2011-08-10 | 广州大学 | Health monitoring system for structures of great building and bridge |
| CN104794206A (en) * | 2015-04-23 | 2015-07-22 | 国网山东省电力公司 | Transformer substation data quality evaluation system and method |
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