CN115422716A - Evaluation calculation model suitable for typical ground facility failure - Google Patents
Evaluation calculation model suitable for typical ground facility failure Download PDFInfo
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Abstract
The invention discloses an evaluation calculation model suitable for typical ground facility failure, which is characterized in that a target is divided into a plurality of levels of sub-targets according to the characteristics of the target, a judgment matrix of a hierarchical structure model is constructed from top to bottom by adopting an improved analytic hierarchy process, the weight of the sub-targets of the same level and the same type to the sub-target of the upper layer is calculated, the damage results of disasters obtained by theoretical analysis, numerical simulation and supplementary test, which are acted on the sub-targets, are combined to determine the final damage effect of the sub-targets, the damage effect is evaluated according to a damage criterion, and the overall damage effect of the target is calculated by adopting a comprehensive judgment process. The method has the advantages of capability of accurately and efficiently calculating the overall damage effect of the target, small calculation amount and the like; the method can be used for evaluating the overall damage effect of the target under the action of a single disaster, can also be used for evaluating the damage effect of the target under the coupling action of multiple disasters, and realizes accurate and efficient evaluation and calculation of the overall damage effect of the complex target under the action of single and multiple disasters.
Description
Technical Field
The invention relates to a computing technology of damage effects of conventional facility targets under single and multiple disaster actions in the field of target damage assessment, in particular to a computing model for assessing the overall damage effects of complex targets under single and multiple disaster actions, which is suitable for typical ground facility damage failure scenes.
Background
At present, aiming at the conventional facility target damage effect assessment method, one method is to calculate and assess the target damage effect based on fuzzy comprehensive assessment, and the other method is to adopt numerical simulation to construct a complex effect field of the whole disaster and the target effect. In the existing target damage effect calculation method based on fuzzy comprehensive judgment, the damage degree of the lowest sub-targets adopts a qualitative analysis method of expert scoring instead of quantitative analysis, which influences the objectivity and reliability of the target damage effect calculation result to a certain extent. The method for constructing the numerical simulation of the effect field of the whole disaster and target action is very complex and has wide action area, so that a huge calculation grid is needed for numerical calculation of the whole action process, and the goal is often difficult to realize under the current calculation condition on the premise of ensuring the calculation precision.
Disclosure of Invention
In view of the above, the invention provides an evaluation and calculation model for the overall damage effect of a complex target under the action of single and multiple disasters, and the model is suitable for a typical ground facility damage failure scene.
In order to solve the technical problem, the invention is solved by the following technical scheme: dividing the target into multilevel and multi-type sub-targets according to the target characteristics, constructing a judgment matrix of a hierarchical structure model from top to bottom by adopting an improved hierarchical analysis method, calculating the weight of the sub-targets of the same level and the same type to the sub-target of the upper layer, combining damage results of disasters obtained by theoretical analysis, numerical simulation and supplementary test, which act on the sub-targets, to determine the final damage effect of the sub-targets, evaluating the damage effect by referring to a damage criterion, and finally calculating the overall damage effect of the target by adopting a comprehensive judgment method.
The aim of the invention is realized by the following steps:
s1, dividing a target into multi-level and multi-type sub-targets according to target characteristics, and establishing a hierarchical structure model;
and S2, constructing a judgment matrix A of the hierarchical structure model from top to bottom by adopting an analytic hierarchy process according to the hierarchical structure model. By pairwise matching sub-targets of the same level and the same typeComparing, constructing a pairwise comparison judgment matrix A,
in pairwise comparison, the parameters are quantified using a 1-5 metric approach. The specific meanings are as follows: for parameters i and j:1 indicates that factor i is equally important as factor j; 2 indicates that the i factor is slightly more important than the j factor; 3 indicates that i factor is more important than j factor; 4 indicates that i factor is more important than j factor; 5 indicates that i factor is absolutely more important than j factor; wherein A is ij The importance of the ith factor compared with the jth factor;
s3, calculating an importance ranking index r according to the judgment matrix A i . Importance ranking index r i Is calculated by the formula
In the formula r i Is the sum of the factors in the ith row in the matrix A. Get r max ＝max{r i }，r min ＝ min{r i }. Then ranking the indexes r according to importance i Constructing a judgment matrix B for each group of factors ij Element b thereof ij Satisfies the formula:
s4, judging the matrix B according to the ij Solving the judgment matrix B ij Transfer matrix C of ij The transfer matrix C ij Element c of ij Satisfies the formula: c. C ij ＝lgb ij (i, j =1,2, \8230;, n); then, according to the transfer matrix C ij Solving the transfer matrix C ij Of the optimal transfer matrix D ij The optimal transfer matrix D ij Element d of (1) ij Satisfies the formula:
then, according to the judgment matrix B ij And an optimal transfer matrix D ij Solving the judgment matrix B ij Quasi-optimal consistent matrix B' ij Pseudo-optimal consistent matrix B' ij Element b 'of' ij Satisfies the formula:
s5, according to a pseudo-optimal consistent matrix B' ij Solving a pseudo-optimal consistent matrix B' ij Characteristic vector W of i . Pseudo-optimal consistent matrix B' ij Characteristic vector W of i The method is calculated by a root method and comprises the following steps: calculating B' ij Achievement of each line element
Calculating the root of a square
For vector
And (3) performing normalization treatment, namely:
s6, pseudo-optimal consistent matrix B' ij Characteristic vector W of i Carrying out hierarchical sequencing to obtain W' i ；
And S7, performing theoretical calculation and numerical simulation on the damage condition of the sub-targets under the disaster action according to the characteristics of the sub-targets at the lowest layer and the disaster characteristics, combining damage results generated when the disaster obtained through the theoretical calculation, the numerical simulation and the supplementary test acts on the sub-targets, and coupling the damage effects of multiple disasters on the same sub-structure to finally obtain the overall damage effect of the disaster on the sub-targets.
S8, comparing the damage effect of the sub-targets with a specific failure criterion according to the category of the sub-targets, and evaluating the damage effect of each sub-target.
S9, according to pseudo-optimal consistent matrix B' ij Is the hierarchical ranking result W of the feature vector' i And sub-target damage effect evaluation calculation results, wherein a comprehensive judgment method is used for calculating the target overall damage effect evaluation result from top to bottom;
and S10, comparing the sub-target damage picture shot by the satellite with the evaluation calculation result of the sub-target damage effect, and modifying and optimizing the parameters adopted in the process of combining the damage results of theoretical calculation, numerical simulation and supplementary test.
Compared with the prior art, the invention has the following advantages:
1. the damage effect of the lowest sub-targets under the action of the disaster is quantitatively analyzed, so that the objectivity and reliability of calculation and evaluation of the target damage effect can be greatly improved;
2. according to the invention, the damage effect of the sub-targets is obtained by performing theoretical calculation, numerical simulation and supplement tests on the damage effect of the sub-targets under the disaster action, and then the overall damage evaluation result of the targets is obtained by a comprehensive judgment method, so that the calculation amount is greatly reduced while the precision requirement of the evaluation result is considered.
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To further illustrate the above objects, structural features and effects of the present invention, the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic flow chart of a preferred embodiment of the present invention;
FIG. 2 is a flow chart of the operation of the preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 and fig. 2, the invention divides the target into sub-targets of multiple levels and types according to the target characteristics, establishes a hierarchical structure model, adopts an improved analytic hierarchy process to construct a judgment matrix of the structural model from top to bottom, calculates the weight of the sub-targets of the same level and type to the sub-targets of the upper layer, calculates the damage effect of the sub-targets of the lowest layer by combining the results of theoretical calculation, numerical simulation and test, evaluates the damage effect and calculates the overall damage effect of the target by adopting a comprehensive judgment method.
The working flow of the embodiment of the invention is shown in fig. 2, and specifically comprises the following steps:
s1, dividing the target into multi-level and multi-type sub-targets according to the characteristics of the target, and establishing a hierarchical structure model.
And S2, constructing a judgment matrix A of the hierarchical structure model from top to bottom by adopting an analytic hierarchy process according to the hierarchical structure model. By comparing two sub-targets of the same type at the same level, a two-to-two comparison judgment matrix A is constructed,
in pairwise comparison, the parameters are quantified using a 1-5 metric approach. The specific meanings are as follows: for parameters i and j:1 indicates that i factor is as important as j factor; 2 indicates that the i factor is slightly more important than the j factor; 3 indicates that i factor is more important than j factor; 4 indicates that i factor is more important than j factor; 5 denotes that i factor is absolutely more important than j factor; wherein A is ij The importance of the ith factor compared to the jth factor.
S3, calculating an importance ranking index r according to the judgment matrix A i . Importance ranking index r i Is calculated by the formula
In the formula r i Is the sum of the factors in the ith row in matrix A. Get r max ＝max{r i }，r min ＝ min{r i }. Then sorting the indexes r according to importance i Constructing a judgment matrix B for each group of factors ij Element b thereof ij Satisfies the formula:
s4, judging the matrix B according to the ij Solving the judgment matrix B ij Transfer matrix C of ij The transfer matrix C ij Element c of ij Satisfies the formula: c. C ij ＝lgb ij (i, j =1,2, \8230;, n); then, according to the transfer matrix C ij Solving the transfer matrix C ij Of the optimal transfer matrix D ij The optimal transfer matrix D ij Element d of (1) ij Satisfies the formula:
then, according to the judgment matrix B ij And an optimal transfer matrix D ij Solving the judgment matrix B ij Quasi-optimal consistent matrix B' ij Pseudo-optimal consistent matrix B' ij Element b 'of' ij Satisfies the formula:
s5, according to a pseudo-optimal consistent matrix B' ij Solving a pseudo-optimal consistent matrix B' ij Characteristic vector W of i . Pseudo-optimal consistent matrix B' ij Characteristic vector W of i The method is calculated by a root method and comprises the following steps: calculating B' ij Achievement of each line element
Calculating the root of a square
For vector
Performing normalization processing, namely:
s6, pseudo-optimal consistent matrix B' ij Characteristic vector W of i Carrying out hierarchical sorting to obtain a hierarchical sorting feature vector W' i Hierarchy ordered feature vector W' i The calculation method comprises the following steps: a certain sub-target weight is a, and the weights of the following factors are W = (W) 1 ，W 2 ，…W n ) T Then the weight of that sub-target in the total hierarchy is W' i ＝aW i (i =1,2, \8230;, n). The order of the sub-targets in the overall hierarchy is determined in this way. So far, the weights of the sub-targets in each layer are determined completely, and the weights directly accord with the consistency check requirement without consistency detection.
And S7, according to the divided multi-level and multi-type sub-target hierarchical structure model, combining the characteristics of the sub-targets at the lowest layer and the characteristics of the disaster, respectively carrying out theoretical analysis, numerical simulation and necessary supplementary tests on the damage effect of the disaster on the typical sub-targets to obtain the damage results of the sub-targets, and combining the damage results.
And comparing the sub-structure characteristics after damage in the damage result after the combination of the sub-targets at the lowest layer with the sub-target characteristics before damage, thereby determining the damage effect of the disaster on the sub-targets, and coupling the damage effects of the multiple disasters on the same sub-structure according to different damage degrees of the sub-targets of different disasters if the damage effect is a multi-disaster damage effect. The inputs of the calculation module for the damage of the disaster to the child target are as follows: disaster characteristic parameter information, characteristic parameter information of typical sub-targets at the lowest layer and damage result supplement data of related test sub-targets; the output is: the sub-target damage theory analysis result, the sub-target damage numerical simulation result and the sub-target overall damage effect after all the damage results are combined.
S8, comparing the overall damage effect of the sub-targets with the damage failure criterion according to the overall damage effect of the sub-targets under single and multiple disaster effects, dividing the damage effect into 5 damage states (complete, mild damage, moderate damage, severe damage and scrap) according to actual conditions, and carrying out quantitative evaluation and calculation on the damage effect of each sub-target. Different targets are provided, and the damage time-efficiency criterion according to which the damage states are divided is different.
S9, according to pseudo-optimal consistent matrix B' ij Is the hierarchical ranking result W of the feature vector' i And sub-target damage effect evaluation calculation results, wherein a comprehensive judgment method is used for calculating and evaluating the overall damage effect of the target from top to bottom.
And S10, comparing the sub-target damage picture shot by the satellite with the evaluation calculation result of the sub-target damage effect, and modifying and optimizing parameters when the damage results of the theoretical calculation, the numerical simulation and the supplementary test are combined.
The invention carries out quantitative analysis on the damage effect of the sub-targets at the lowest layer under the action of the disaster, thereby greatly improving the objectivity and reliability of calculation and evaluation of the target damage effect; according to the invention, the damage effect of the sub-targets is obtained by performing theoretical calculation, numerical simulation and supplement tests on the damage effect of the sub-targets under the disaster action, and then the overall damage evaluation result of the targets is obtained by a comprehensive judgment method, so that the calculation amount is greatly reduced while the precision requirement of the evaluation result is considered.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. An evaluation calculation model suitable for typical ground facility failure is characterized in that a target is divided into a plurality of levels of sub-targets according to target characteristics, a judgment matrix of a hierarchical structure model is constructed from top to bottom by adopting a hierarchical analysis method, the weight of the sub-targets of the same level and the same type to the sub-target of the upper layer is calculated, damage results of disasters obtained by theoretical analysis, numerical simulation and supplementary tests, which act on the sub-targets, are combined to determine the final damage effect of the sub-targets, the damage effect is evaluated according to damage criteria, and the overall damage effect of the target is calculated by adopting a comprehensive judgment method.
2. The calculation model for evaluating the failure of a typical surface facility according to claim 1, comprising the following steps:
s1, dividing a target into multi-level and multi-type sub-targets according to target characteristics, and establishing a hierarchical structure model;
s2, constructing a judgment matrix A of the hierarchical structure model from top to bottom by adopting an analytic hierarchy process according to the hierarchical structure model;
s3, calculating an importance ranking index r according to the judgment matrix A i And sorting according to importance to construct a judgment matrix B ij ；
S4, according to the judgment matrix B ij Solving the judgment matrix B ij Transfer matrix C of ij And solving an optimal transfer matrix D on the basis ij Then, according to the judgment matrix B ij And an optimal transfer matrix D ij Solving the judgment matrix B ij Quasi-optimal consistent matrix B' ij ；
S5, according to a pseudo-optimal consistent matrix B' ij Solving a pseudo-optimal consistent matrix B' ij Characteristic vector W of i ；
S6, a pair pseudo-optimal consistent matrix B' ij Characteristic vector W of i Carrying out hierarchical sequencing to obtain W' i ；
S7, performing theoretical calculation and numerical simulation on the damage condition of the sub-targets under the disaster action according to the characteristics of the sub-targets at the lowest layer and the disaster characteristics, combining damage results generated when the disasters act on the sub-targets, wherein the damage results are obtained through the theoretical calculation, the numerical simulation and the supplementary test;
s8, comparing the damage effect of the sub-targets with a specific failure criterion according to the sub-target types, and evaluating the damage effect of each sub-target;
s9 according to pseudo-optimal consistent matrix B' ij Is the hierarchical ranking result W of the feature vector' i And sub-target damage effect evaluation calculation results, wherein a comprehensive judgment method is used for calculating the target overall damage effect evaluation result from top to bottom;
and S10, comparing the sub-target damage picture shot by the satellite with the evaluation calculation result of the sub-target damage effect, and modifying and optimizing the parameters adopted in the process of combining the damage results of theoretical calculation, numerical simulation and supplementary test.
3. The calculation model for evaluation of typical ground facility failure according to claim 2, characterized in that in step S2:
4. The calculation model for evaluation of typical ground facility failure according to claim 2, characterized in that in step S3:
importance ranking index r i Is calculated by the formula
In the formula r i Taking r as the sum of all factors in the ith row in the matrix A max ＝max{r i }，r min ＝min{r i And then ranking the indexes r according to importance i Constructing a judgment matrix B for each group of factors ij Element b thereof ij Satisfies the formula:
5. the calculation model for evaluation of typical ground facility failure according to claim 2, wherein in step S4:
transfer matrix C ij Element c of (1) ij Satisfies the formula: c. C ij ＝lgb ij (i，j＝1，2，…，n)；
Optimal transfer matrix D ij Element d of (1) ij Satisfies the formula:
pseudo-optimal consistent matrix B' ij Element b 'of' ij Satisfies the formula:
6. the calculation model for evaluation of typical surface facility failure to fail in accordance with claim 2, wherein in step S5:
pseudo-optimal consistent matrix B' ij Characteristic vector W of i The method comprises the following steps of: calculating B' ij Score of each line element
Calculating the root of a square
For vector
And (3) performing normalization treatment, namely:
7. the model of claim 2, wherein in step S6, the feature vector W 'is hierarchically ordered' i The calculation method comprises the following steps: a certain sub-goal weight is a, and the weights of the following factors are W = (W) 1 ，W 2 ，…W n ) T Then the weight of this sub-target in the total hierarchy is W' i ＝aW i (i＝1，2，…，n)。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116341980A (en) * | 2023-03-29 | 2023-06-27 | 中冶检测认证有限公司 | Method and control device for determining damage index of concrete bent factory building |
| CN116363491A (en) * | 2023-06-01 | 2023-06-30 | 南京理工大学 | Damage assessment method and system based on optimal target set and artificial intelligence |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116341980A (en) * | 2023-03-29 | 2023-06-27 | 中冶检测认证有限公司 | Method and control device for determining damage index of concrete bent factory building |
| CN116363491A (en) * | 2023-06-01 | 2023-06-30 | 南京理工大学 | Damage assessment method and system based on optimal target set and artificial intelligence |
| CN116363491B (en) * | 2023-06-01 | 2023-08-11 | 南京理工大学 | Damage assessment method and system based on optimal target set and artificial intelligence |
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