CN104636996A - Subway construction rapid risk assessment method based on fuzzy logic - Google Patents
Subway construction rapid risk assessment method based on fuzzy logic Download PDFInfo
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- CN104636996A CN104636996A CN201310553588.9A CN201310553588A CN104636996A CN 104636996 A CN104636996 A CN 104636996A CN 201310553588 A CN201310553588 A CN 201310553588A CN 104636996 A CN104636996 A CN 104636996A
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- 238000012502 risk assessment Methods 0.000 title claims abstract description 18
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- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000004364 calculation method Methods 0.000 claims abstract description 4
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- 238000011156 evaluation Methods 0.000 claims description 13
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Abstract
The invention discloses a subway construction rapid risk assessment method based on fuzzy logic. The method includes arranging multielement sensors in site, transmitting detection data to a subway site data acquisition server in a wire or wireless manner, allowing the subway site data acquisition server to filter the data returned by the multielement sensors and transmit the processed data to a risk assessment server, and allowing the risk assessment server to sort and integrate the detection data returned by the subway site data acquisition server and convert the detection data into data arrays adaptive to calculation by the fuzzy logic integration method; allowing the risk assessment server to perform risk assessment on the data by the fuzzy logic integration method and transmit the risk rapid assessment result to a detection and monitoring central computer; allowing a computer central processing unit to perform the post processing. The method has the advantages of convenience for usage, high processing speed and easiness for implementation.
Description
Technical field
The present invention relates to a kind of subway work risk fast evaluation method based on fuzzy logic.
Background technology
The time in early stage of building subway is longer, due to needs planning and government's examination & approval, even also needs test.From ferment that putting into practice breaks ground and need the time grown very much, short then several years, the long then more than ten years are also possible.Due to the structure of subway, and cause very easily because these factor generation tragedies.The construction of subway is divided into: 1, the simplest directly method of open cut backfill is bright cut and fill (open cut backfill).Hollow place is excavated in general Shi street to this method, then builds tunnel structure below, just road surface is spread again after there are enough supporting forces in tunnel.Except road is opened by pick, other underground structures such as electric wire, telephone wire, water pipe etc. all need to reconfigure.The material building this tunnel is generally concrete or steel, but older system also has and to use fragment of brick and iron.2, brill digs method: another kind of method first digs a vertical shaft in somewhere, ground, then at shaft bottom tunneling.Modal method is for using drilling and digging machine (shield machine, shield machine), and one side is excavated one side and preprepared assembly is arranged in tunnel wall.For the place that depth of building is intensive, bore the method for construction digging method or even unique feasible.The advantage Shi Dui street of this method or the impact of other underground installations very little, even can build at the bottom; The design in tunnel also has more writing space, such as station can than station and station between tunnel higher, help train leaving from station time accelerate and enter the station time slow down.But this method of digging neither be impeccable, one of them often needs to pay attention to underground water mitigation; In addition at some harder rock stratum excavation, explosive may be needed.Underground air supply problem even tunnel cave also likely causes workman's injures and deaths.In addition, for the place that building height is intensive, during excavation except will noticing and avoiding impacting the building structure of building site surrounding, the public utilities at place sometimes also to be planned as a whole, the water delivery at the bottom of ground, the migration of transmission of electricity pipeline, to make way to build passage of train.
So just can see the importance drawing preliminary preparation, and this most important thing is exactly site reconnaissance work, whether the data of exploration are accurate, very large on the impact of design and construction.Along with the development of electronic devices and components, the precision of sensor increases substantially, and existing exploration level has accomplished the degree that single parameter error is ignored.But, geology actual state, usually by composite factor shadow, carries out simulation modelling with regard to needs to different geological condition like this, and the data of collection are as the training data of model and analysis data, the accurate model of final acquisition, then change geologic parameter, checking arrangement and method for construction, this process need is analyzed one by one to contingent situation, checking is trained one by one by the parameter of model to change, do degree of accuracy so high, practical operation is effective, but the cycle is oversize.
Information fusion is that the Incomplete information of multiple support channels, multi-faceted collection is in addition comprehensive, eliminates the information of redundancy and the contradiction that may exist between multi-source information, and in addition complementary to it, reduces the process that its uncertain system environment facies describe complete consistance.Information fusion can improve the decision-making of intelligent system, planning, the rapidity of reaction and positive plan risk, and being a cross discipline relating to information science, computer science and robotization science, is the important directions that current information society must be studied.The generation of multisource information fusion technology improves the accuracy of intelligent system decision-making, reduces risk of policy making.The high scheme of construction risk is tentatively got rid of by information fusion, retain the arrangement and method for construction that feasibility is higher, and then by training checking one by one above by the parameter of model to feasible scheme, doing like this and guaranteeing that degree of accuracy is high, raise the efficiency simultaneously, reduce proving period in early stage.
Fuzzy logic is multi valued logic, by specifying the real number representation validity between 0 to 1, is equivalent to the prerequisite of implicit operator, allows the uncertain direct representation in multiple sensor data fusion process in reasoning process.For subway work risk rapid evaluation provides technical support.
Summary of the invention
The present invention is directed to the proposition of above problem, and development is based on the subway work risk fast evaluation method of fuzzy logic.The technical solution used in the present invention is as follows:
Based on a subway work risk fast evaluation method for fuzzy logic, it is characterized in that comprising the steps:
1) detection data are transferred to subway on-site data gathering server by wired or wireless mode by on-the-spot multielement bar of laying, subway on-site data gathering server carries out filtration treatment to multielement bar returned data, then the data after process is sent to risk assessment server;
2) risk assessment server is classified to the detection data that the transmission of subway on-site data gathering server is returned and integrates, and is converted to the data array being suitable for fuzzy logic calculating fusion;
3) then risk assessment server adopts fuzzy logic fusion method to carry out risk assessment process to above-mentioned data, concrete processing procedure comprises: detect data to the uncertainty existed and directly represent by fuzzy logic, then, use multi valued logic reasoning, various calculations according to Fuzzy Set Theory merge various proposition, and then realize data fusion;
4) risk rapid evaluation result is issued test and monitoring central computer by ultimate risk evaluating server, is for further processing by computer center's processing unit.
Also comprise in step 3):
Uncertain detection data are extended in fuzzy logic.
Described scene is laid multielement bar and is comprised displacement meter, taseometer, ventage piezometer, reinforcing rib meter, pressure cell and flowmeter.
Based on the subway work risk fast evaluation method of fuzzy logic, to on-the-spot returned data fusion treatment, tentatively get rid of the scheme that construction risk is high, retain the arrangement and method for construction that feasibility is higher, and then by training checking one by one above by the parameter of model to feasible scheme, do like this and guarantee that degree of accuracy is high, raise the efficiency simultaneously, reduce proving period in early stage.The method also has in addition: easy to use, processing speed, technology realize the feature such as easy and be suitable for extensive popularization.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of system of the present invention;
Fig. 2 is realization flow figure of the present invention.
Embodiment
As depicted in figs. 1 and 2 based on the subway work risk fast evaluation method of fuzzy logic, comprise the steps:
1) detection data are transferred to subway on-site data gathering server by wired or wireless mode by on-the-spot multielement bar of laying, subway on-site data gathering server carries out filtration treatment to multielement bar returned data, then the data after process is sent to risk assessment server;
2) risk assessment server is classified to the detection data that the transmission of subway on-site data gathering server is returned and integrates, and is converted to the data array being suitable for fuzzy logic calculating fusion;
3) then risk assessment server adopts fuzzy logic fusion method to carry out risk assessment process to above-mentioned data, concrete processing procedure comprises: detect data to the uncertainty existed and directly represent by fuzzy logic, then, use multi valued logic reasoning, various calculations according to Fuzzy Set Theory merge various proposition, and then realize data fusion;
4) risk rapid evaluation result is issued test and monitoring central computer by ultimate risk evaluating server, is for further processing by computer center's processing unit.
Also comprise in step 3):
Uncertain detection data are extended in fuzzy logic.
Described scene is laid multielement bar and is comprised displacement meter, taseometer, ventage piezometer, reinforcing rib meter, pressure cell and flowmeter.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1., based on a subway work risk fast evaluation method for fuzzy logic, it is characterized in that comprising the steps:
1) detection data are transferred to subway on-site data gathering server by wired or wireless mode by on-the-spot multielement bar of laying, subway on-site data gathering server carries out filtration treatment to multielement bar returned data, then the data after process is sent to risk assessment server;
2) risk assessment server is classified to the detection data that the transmission of subway on-site data gathering server is returned and integrates, and is converted to the data array being suitable for fuzzy logic calculating fusion;
3) then risk assessment server adopts fuzzy logic fusion method to carry out risk assessment process to above-mentioned data, concrete processing procedure comprises: detect data to the uncertainty existed and directly represent by fuzzy logic, then, use multi valued logic reasoning, various calculations according to Fuzzy Set Theory merge various proposition, and then realize data fusion;
4) risk rapid evaluation result is issued test and monitoring central computer by ultimate risk evaluating server, is for further processing by computer center's processing unit.
2. a kind of subway work risk fast evaluation method based on fuzzy logic according to claim 1, is characterized in that also comprising in step 3):
Uncertain detection data are extended in fuzzy logic.
3. a kind of subway work risk fast evaluation method based on fuzzy logic according to claim 1, is characterized in that described scene is laid multielement bar and comprised displacement meter, taseometer, ventage piezometer, reinforcing rib meter, pressure cell and flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553588.9A CN104636996A (en) | 2013-11-07 | 2013-11-07 | Subway construction rapid risk assessment method based on fuzzy logic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553588.9A CN104636996A (en) | 2013-11-07 | 2013-11-07 | Subway construction rapid risk assessment method based on fuzzy logic |
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| CN104636996A true CN104636996A (en) | 2015-05-20 |
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| CN201310553588.9A Pending CN104636996A (en) | 2013-11-07 | 2013-11-07 | Subway construction rapid risk assessment method based on fuzzy logic |
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- 2013-11-07 CN CN201310553588.9A patent/CN104636996A/en active Pending
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Application publication date: 20150520 |