CN113793053B - Method for creating and evaluating ground equipment environment adaptability evaluation system - Google Patents
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Abstract
The invention discloses a method for creating and evaluating an environment adaptability evaluation system of ground equipment, and belongs to the technical field of environment adaptability evaluation of ground equipment. The method comprises the following steps of 1, determining the use environment of ground equipment, and selecting an expert knowledge base matched with the use environment of the ground equipment in an evaluation system; step 2, correspondingly adjusting a general assessment model according to the actual composition condition of the ground equipment; step 3, selecting elements of the input indexes of the bottom layer of the hierarchical structure tree from the expert knowledge base as design factors, taking the evaluation and quantization results of the elements as input, and automatically calculating the environment adaptability of each index of each level of the general evaluation model by the evaluation system through a fuzzy algorithm; and 4, identifying the environmental adaptability design weak points of the ground equipment. The assessment system can automatically, comprehensively and accurately assess the environment adaptability of each index of each level in the general assessment model.
Description
Technical Field
The invention relates to a method for creating and evaluating an environment adaptability evaluation system of ground equipment, and belongs to the technical field of environment adaptability evaluation of ground equipment.
Background
The ground equipment has bad natural environmental conditions and induced environmental conditions in the use process, and the general quality characteristics of the product are seriously affected. Typical environmental conditions such as air pressure, temperature, humidity, salt fog, mold, vibration and the like can cause the problems of performance reduction of ground equipment, corrosion and aging of structural materials, malfunction of electronic devices and the like, and the occurrence of accidents of product use can be caused when the problems are serious. With the continuous improvement of the complexity of the system, higher requirements are put on the environmental adaptability design of the ground equipment. The following problems are faced in the process of designing the environmental adaptability of the ground equipment:
1. the quality of environmentally adaptive designs is severely dependent on the personal experience of the designer
In the design stage of the ground equipment product scheme, the environmental adaptability of the ground equipment product scheme is designed, evaluated and improved, so that the designed product is ensured to meet the use requirement of customers. The current product environment adaptability design level depends on personal experience of a designer, systematic evaluation of the environment adaptability design of the designer is difficult, and design defects caused by the systematic evaluation are difficult to effectively avoid.
2. Ground equipment is complex in composition
The ground equipment is a complex system integrating machines, electricity, liquid and control, has complex composition, is mostly customized products, has large difference among different individuals, is not convenient for carrying out environmental adaptability assessment on various ground equipment, further cannot ensure the environmental adaptability design quality of the ground equipment, and cannot meet the use requirements of customers.
3. The ground equipment has complex use environment conditions
On one hand, the ground equipment is subjected to the environmental effects of radiation, temperature, humidity, salt spray mold, vibration and other multi-factor comprehensive effects, and the influence of complex environmental conditions on the functional performance and reliability of the equipment is difficult to quantitatively describe from a mechanism level; on the other hand, severe environmental conditions in coastal damp and hot salt fog, high and low air pressure, high and cold areas and the like put forward differential requirements on the environmental adaptability of ground equipment. How to realize the adaptability evaluation of equipment under the action of complex environmental conditions is one of the main problems.
Therefore, the invention provides a method for creating and evaluating the environment adaptability evaluation system of the ground equipment, so as to solve the problems in the prior art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for creating an environment adaptability evaluation system of ground equipment.
The invention is realized by the following technical scheme:
the method for creating the ground equipment environment adaptability evaluation system comprises the following main steps:
step one, selecting ground equipment: selecting different typical ground equipment as a research object according to different use environments;
step two, a general evaluation model is established: analyzing failure modes of different typical ground equipment in corresponding use environments by using an FMEA (failure mode analysis) method, performing hierarchical division on the ground equipment by using a hierarchical analysis method, and establishing a general assessment model by using a fuzzy comprehensive evaluation method based on FMEA analysis and hierarchical division results;
step three, establishing an expert knowledge base: establishing a protective measure database, establishing an evaluation standard, quantitatively evaluating the effectiveness of each protective measure by an expert based on the protective measure database according to the evaluation standard to form an expert knowledge base, and establishing corresponding expert knowledge bases for different use environments respectively by the expert;
step four, constructing an evaluation system: based on a general evaluation model and an expert knowledge base, a fuzzy algorithm is combined, a hierarchical bottom index is taken as input, and the environmental adaptability of each index of each level is taken as output, so that an evaluation system is built.
In the second step, hierarchical analysis is adopted to carry out hierarchical division on ground equipment, and the method comprises the following main steps:
A. taking the system of the ground equipment as a first hierarchy;
B. According to the professional field, the system is totally divided into three subsystems of an electric system, a mechanical system and a hydraulic system, and the second hierarchical division is completed;
C. according to the difference of action mechanisms of environmental factors and the difference of the adopted protective measures, characteristic classification is carried out on the environmental adaptability protective parts in the subsystem, and third-level classification is completed;
D. Performing feature class division on the component parts of each protection part in each feature class to finish fourth-level division;
E. Analyzing the reasons of the environmental conditions and working condition factors of the position which is easy to fail, and determining environmental adaptability protection measures according to the characteristic category to obtain a fifth level;
F. And drawing a hierarchical structure tree according to the hierarchical division result.
In the second step, based on FMEA analysis and hierarchical division results, the method for establishing the general assessment model by using the fuzzy comprehensive assessment method comprises the following main steps:
A. constructing a factor set, and determining the relation between factors in adjacent upper and lower layers;
B. constructing a judgment matrix, and determining the weight relation among factors in each layer;
C. consistency test is carried out on the judgment matrix;
D. And taking the bottom index of the hierarchical structure tree as input, and sequentially evaluating the environmental adaptability of the previous level by using a fuzzy analytic hierarchy process to form a general evaluation model.
The protective measures database in the third step is a database which is formed by summarizing the natural acceleration environment test and the real use environment adaptability data of each element in the input index by taking the bottom index in the hierarchical division result as the input index for evaluating the environment adaptability of the ground equipment.
And thirdly, the expert evaluates the elements according to the four grades of difference, poor, good and very good by combining the evaluation standard according to the natural acceleration environment test and the real use environment adaptability data of the elements of the input index, and then quantifies the evaluation result into an evaluation vector according to the membership calculation method of the fuzzy algorithm, and the evaluation vectors of all the protection measures form an expert knowledge base.
An evaluation method of a ground equipment environment adaptability evaluation system comprises the following main steps:
Step 1, determining the use environment of ground equipment, and selecting an expert knowledge base matched with the use environment of the ground equipment in an evaluation system;
Step2, correspondingly adjusting a general assessment model according to the actual composition condition of the ground equipment;
Step 3, selecting elements of the input indexes of the bottom layer of the hierarchical structure tree from the expert knowledge base as design factors, taking the evaluation and quantization results of the elements as input, and automatically calculating the environment adaptability of each index of each level of the general evaluation model by the evaluation system through a fuzzy algorithm;
And 4, identifying the environmental adaptability design weak points of the ground equipment.
The use environment of the ground equipment in the step 1 comprises, but is not limited to, an island environment, a plateau gobi environment and a alpine environment.
In the step 2, according to the actual composition of the ground equipment, the factor type of the fourth level in the general evaluation model is adjusted, and the weight distribution among the factors in the fourth level is defined.
And in the step 3, the evaluation system automatically calculates the environment adaptability of each index of each level layer by layer from back to front through a fuzzy algorithm.
And in the step 4, identifying the importance degree of the factors according to the factor weight values, identifying the environmental adaptability protection level of the factors according to the evaluation scores obtained by the factors, and finally determining the weak points of the environmental adaptability design based on the importance degree of the factors and the environmental adaptability protection level of the factors.
The invention has the beneficial effects that:
1. the evaluation system takes design factors as input, automatically, comprehensively and accurately evaluates the environment adaptability of each level of indexes in the general evaluation model, provides guiding reference for the environment adaptability design of the multi-type ground equipment in the design stage, is beneficial to improving the working efficiency of ground equipment designers, and can improve the environment adaptability of the ground equipment.
2. The evaluation system is suitable for evaluating the environmental adaptability of different types of ground equipment, has strong universality, and solves the problem that the universality of the environmental adaptability of the various types of ground equipment is difficult to evaluate systematically due to different complexity of the various types of ground equipment and large individual difference.
3. Based on different use environments such as 'island environment', 'plateau gobi environment', 'alpine environment', and the like, an expert establishes an expert knowledge base according to the natural acceleration environment test and the real use environment adaptability data of each element in the input index so as to reasonably evaluate the adaptability of ground equipment under different use environments.
4. The generalized assessment of the environment adaptability of the multi-type ground equipment can be realized by adjusting the factor type and the weight distribution among factors of the fourth level of the assessment model on the assessment system according to the composition difference of the ground equipment, and the operation and the use are convenient.
Drawings
FIG. 1 is a flow chart of the creation of an evaluation system of the present invention;
FIG. 2 is a hierarchical tree diagram of a generic assessment model of the present invention;
FIG. 3 is a flow chart of expert knowledge base creation in accordance with the present invention;
FIG. 4 is a block diagram of an evaluation system according to the present invention;
FIG. 5 is a fuzzy analytic hierarchy model diagram of the evaluation system of the present invention.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
As shown in fig. 1 to 5, the method for creating the ground equipment environment adaptability assessment system according to the present invention includes the following main steps:
Step one, selecting ground equipment: selecting different typical ground equipment as a research object according to different use environments; namely, different typical ground equipment is respectively selected as a research object aiming at use environments such as highland, high and cold, damp and hot, salt fog and the like.
Step two, a general evaluation model is established: and analyzing failure modes of different typical ground equipment in corresponding use environments by using an FMEA (failure mode analysis) method, performing hierarchical division on the ground equipment by using a hierarchical analysis method, and establishing a general assessment model by using a fuzzy comprehensive evaluation method based on FMEA analysis and hierarchical division results. When FMEA analysis is carried out, different typical ground equipment is placed in corresponding use environments, information of the ground equipment and key components is collected, the information comprises information of product functions, fault components, fault modes, fault reasons, fault influences, detection methods, severity and the like, and then the action mechanism of environmental factors on the ground equipment is analyzed.
Step three, establishing an expert knowledge base: establishing a protective measure database, establishing an evaluation standard, quantitatively evaluating the effectiveness of each protective measure by an expert based on the protective measure database according to the evaluation standard to form an expert knowledge base, and establishing corresponding expert knowledge bases for different use environments respectively by the expert; and establishing evaluation criteria, namely determining evaluation criteria for evaluating the environmental adaptability effect based on experience knowledge and mechanism analysis, and evaluating the environmental adaptability protection effect of the protection measures.
Step four, constructing an evaluation system: based on a general evaluation model and an expert knowledge base, a fuzzy algorithm is combined, a hierarchical bottom index is taken as input, and the environmental adaptability of each index of each level is taken as output, so that an evaluation system is built.
In the second step, hierarchical analysis is adopted to carry out hierarchical division on ground equipment, and the method comprises the following main steps:
A. The system of ground equipment is generally referred to as a first hierarchy.
B. According to the professional field, the system is generally divided into three subsystems of an electric system, a mechanical system and a hydraulic system, and the second hierarchical division is completed.
C. According to the difference of action mechanisms of environmental factors and the difference of the adopted protective measures, characteristic classification is carried out on the environmental adaptability protective parts in the subsystem, and third-level classification is completed; namely, according to the action mechanism of environmental factors and the difference of the adopted environmental adaptability protection measures, the protection characteristics of each protection part are divided, and taking a mechanical subsystem as an example, the main environmental adaptability key characteristics of the mechanical subsystem comprise main body bearing, fixed connection (comprising bolts/riveting and welding), movable contact (comprising sliding friction and impact contact) and the like.
D. And carrying out characteristic classification on the component parts of each protection part in each characteristic class, and completing fourth-level classification.
E. Analyzing the reasons of the environmental conditions and working condition factors of the position which is easy to fail, and determining environmental adaptability protection measures according to the characteristic category to obtain a fifth level; the method is characterized by analyzing the environmental conditions such as illumination, humidity, salt fog, mould and the like of the positions which are easy to fail, analyzing the reasons of the easy-to-fail modes of various categories in the aspects of structural form, materials, process and the like, and adopting corresponding environmental adaptability protection measures according to the characteristic categories.
F. And drawing a hierarchical structure tree according to the hierarchical division result.
In the second step, based on FMEA analysis and hierarchical division results, the method for establishing the general assessment model by using the fuzzy comprehensive assessment method comprises the following main steps:
A. Constructing a factor set, and determining the relation between factors in adjacent upper and lower layers; the ground equipment is subjected to hierarchical division, namely, each index forms a hierarchical and ordered index hierarchy according to the similarity among the indexes, the complex problem is hierarchical, the problem is decomposed into different composition factors, and a factor set is constructed, wherein the factors comprise:
1U1＝{2U1,2U2,2U3} (1)
Where 1U1 represents the first factor of the first layer and 2U1 represents the first factor of the second layer. Similarly, factor sets are respectively constructed for each level of index.
B. constructing a judgment matrix, and determining the weight relation among factors in each layer. The specific weight calculation process is as follows:
Assuming U ij as the relative importance value of factor U i to factor U j, the values of U ij are shown in the following table.
Table 1 u ij values Table
| Scale with a scale bar | Meaning of |
| 1 | The two factors are of equal importance compared |
| 3、1/3 | One factor is slightly more important/less important than the other than the two factors |
| 5、1/5 | One factor is significantly more important/less important than the other than the two factors |
| 7、1/7 | One factor is more or less important than the other than the two factors |
| 9、1/9 | One factor is extremely important/unimportant compared to the other factor compared to both factors |
| 2、4、6、8 | Median of the two adjacent judgments |
Constructing a judgment matrix according to the table:
And calculating the maximum eigenvalue and the corresponding principal eigenvector according to the constructed judgment matrix P, wherein the principal eigenvector is used for evaluating the importance ranking of each factor, namely weight distribution.
C. and carrying out consistency test on the judgment matrix.
In order to determine whether the obtained weights are reasonable, consistency test is required to be carried out on the judgment matrix, and the formula is as follows:
Wherein CR is the random consistency ratio of the judgment matrix, CI is the consistency index of the judgment matrix, and RI is the average random consistency index of the judgment matrix. When CR is less than or equal to 0.1, the judgment matrix is considered to have satisfactory consistency, and the weight distribution is reasonable. Otherwise, the decision matrix needs to be adjusted until satisfactory consistency is achieved.
Wherein RI is known directly from table 2, and CI is calculated as:
Where n is the matrix order of the judgment matrix, and λ max is the maximum eigenvalue of the judgment matrix.
Table 2 RI values table
D. And taking the bottom index of the hierarchical structure tree as input, and sequentially evaluating the environmental adaptability of the previous level by using a fuzzy analytic hierarchy process to form a general evaluation model. Namely, the environmental suitability of the fourth, third, second and first layers is evaluated in sequence.
The protective measures database in the third step is a database which is formed by summarizing the natural acceleration environment test and the real use environment adaptability data of each element in the input index by taking the bottom index in the hierarchical division result as the input index for evaluating the environment adaptability of the ground equipment. Elements in the index are input, such as substrate, surface treatment, coating, etc.
And thirdly, the expert evaluates the elements according to the four grades of difference, poor, good and very good by combining the evaluation standard according to the natural acceleration environment test and the real use environment adaptability data of the elements of the input index, and then quantifies the evaluation result into an evaluation vector according to the membership calculation method of the fuzzy algorithm, and the evaluation vectors of all the protection measures form an expert knowledge base. When in use, each element in each input index is respectively placed in different grades of environments for environmental test. Corresponding expert knowledge bases are respectively established for various use environments, namely, corresponding expert knowledge bases are respectively established for different use environments such as damp-heat, high-cold, high-altitude and the like of the ground equipment, so that adaptability evaluation of the ground equipment under different use environments is realized.
The specific construction process of the expert knowledge base is shown in fig. 3, and the protective measures of different use environments such as 'island environment', 'plateau gobi environment', 'alpine environment' and the like on ground equipment are different. First, the use environment of the ground equipment is determined, and the protection measure options are determined according to the use environment of the ground equipment. Secondly, a protective measure database is established, the effectiveness of environmental adaptability protective measures such as base materials, surface treatment, coating, structural design and the like is tested by means of a natural acceleration environment test, qualitative and quantitative evaluation indexes of the protective measures under the natural acceleration environment test are given, and an action mechanism of the protective measures is analyzed, so that a reference is provided for quantitative evaluation of the effectiveness of the protective measures under a real use environment by an expert; by means of simulation analysis technology, the influence on the functional performance of ground equipment after the performance of the protective measures is attenuated is quantitatively analyzed, and a qualitative and quantitative relation between the protective design and the environmental adaptability is given in an auxiliary mode. And creating evaluation criteria for evaluating the environmental adaptability level of each level of the ground equipment by referring to knowledge information such as the environmental adaptability test evaluation related criteria, the ground equipment functional performance use requirements and the like. Finally, based on the protective measure database, the expert refers to the evaluation standard, gives out the evaluation result by combining with the self knowledge experience, and gathers the evaluation results of multiple experts to form an expert knowledge base. The specific operation is as follows:
And each expert evaluates the test results of each element according to four grades of difference, poor, good and very good, and then quantifies the evaluation results into evaluation vectors according to a fuzzy algorithm membership calculation method. Assuming that the fifth layer contains N factors, the mth factor of the environmental adaptive protection measure of the fifth layer is scored by a plurality of experts, N 1、n2、n3、n4 people consider that the mth factor belongs to the grades of "very good", "general", "poor", and N 1+n2+n3+n4 =n, the evaluation result of the single factor is as shown in the following formula (5), and the expert knowledge base formed by the N environmental adaptive design factor sets is as shown in the following formula (6):
5rm＝(5rm1,5rm2,5rm3,5rm4)＝(n1/n,n2/n,n3/n,n4/n) (5)
An evaluation method of a ground equipment environment adaptability evaluation system comprises the following main steps:
Step 1, determining the use environment of ground equipment, and selecting an expert knowledge base matched with the use environment of the ground equipment in an evaluation system;
Step2, correspondingly adjusting a general assessment model according to the actual composition condition of the ground equipment;
Step 3, selecting elements of the input indexes of the bottom layer of the hierarchical structure tree from the expert knowledge base as design factors, taking the evaluation and quantization results of the elements as input, and automatically calculating the environment adaptability of each index of each level of the general evaluation model by the evaluation system through a fuzzy algorithm;
And 4, identifying the environmental adaptability design weak points of the ground equipment.
The use environment of the ground equipment in the step 1 comprises, but is not limited to, an island environment, a plateau gobi environment and a alpine environment.
In the step 2, according to the actual composition of the ground equipment, the factor type of the fourth level in the general evaluation model is adjusted, and the weight distribution among the factors in the fourth level is defined. The first, second, third and fifth layers in the general assessment model have universality and are suitable for assessment of various ground equipment.
And in the step 3, the evaluation system automatically calculates the environment adaptability of each index of each level layer by layer from back to front through a fuzzy algorithm.
And in the step 4, identifying the importance degree of the factors according to the factor weight values, identifying the environmental adaptability protection level of the factors according to the evaluation scores obtained by the factors, and finally determining the weak points of the environmental adaptability design based on the importance degree of the factors and the environmental adaptability protection level of the factors.
The process of evaluating the adaptability to the environment of each level is shown in fig. 5. The comprehensive evaluation matrix constructed by the fifth n single factor evaluation results for the j-th factor of the fourth layer is:
the influence weights of the fifth n factors on the j index of the fourth layer, which are calculated by the analytic hierarchy process, are set as follows:
5Aj＝(5aj1,5aj2,…5ajn) (8)
The comprehensive evaluation result of the j-th factor of the fourth layer is:
4rj＝5Aj⊙5Rj＝(4rj1,4rj2,4rj3,4rj4) (9)
Wherein "" indicates a fuzzy operator.
And (5) adopting the same calculation method to sequentially calculate third, second and first-level judgment results.
Specifically, the environment adaptability assessment flow is programmed, the environment adaptability assessment UI is designed, and input is carried out in the form of selection elements, so that the environment adaptability of the multi-type ground equipment is assessed and designed iteratively. The architecture of the environment adaptability assessment system is shown in fig. 4, and the data area stores an expert knowledge database, wherein the expert knowledge database comprises environment adaptability assessment of the expert under different environment conditions aiming at each design factor, and weights given by the expert aiming at each level of assessment index. In order to meet the environmental adaptability design and evaluation requirements of special equipment, the database is perfected through an expansion module. The interface area is used for inputting the adopted environmental adaptability design factors and feeding back the environmental adaptability assessment results of all levels. It is required to reflect the environmental adaptation capability of each level of index and to rapidly identify key design factors affecting the overall environmental adaptation capability of the apparatus. The computing program receives data transmitted by the interface area based on the computing method related to the evaluation system, computes the environment adaptability of the indexes of each level, and feeds back the environment adaptability to the interface area for display.
The method for creating and evaluating the ground equipment environment adaptability evaluation system provided by the invention has the following beneficial effects:
1. the evaluation system takes design factors as input, automatically, comprehensively and accurately evaluates the environment adaptability of each level of indexes in the general evaluation model, provides guiding reference for the environment adaptability design of the multi-type ground equipment in the design stage, is beneficial to improving the working efficiency of ground equipment designers, and can improve the environment adaptability of the ground equipment.
2. The evaluation system is suitable for evaluating the environmental adaptability of different types of ground equipment, has strong universality, and solves the problem that the universality of the environmental adaptability of the various types of ground equipment is difficult to evaluate systematically due to different complexity of the various types of ground equipment and large individual difference.
3. Based on different use environments such as 'island environment', 'plateau gobi environment', 'alpine environment', and the like, an expert establishes an expert knowledge base according to the natural acceleration environment test and the real use environment adaptability data of each element in the input index so as to reasonably evaluate the adaptability of ground equipment under different use environments.
4. The generalized assessment of the environment adaptability of the multi-type ground equipment can be realized by adjusting the factor type and the weight distribution among factors of the fourth level of the assessment model on the assessment system according to the composition difference of the ground equipment, and the operation and the use are convenient.
Claims (4)
1. The method for creating the ground equipment environment adaptability evaluation system is characterized by comprising the following steps of: the method comprises the following steps:
step one, selecting ground equipment: selecting different typical ground equipment as a research object according to different use environments;
step two, a general evaluation model is established: analyzing failure modes of different typical ground equipment in corresponding use environments by using an FMEA (failure mode analysis) method, performing hierarchical division on the ground equipment by using a hierarchical analysis method, and establishing a general assessment model by using a fuzzy comprehensive evaluation method based on FMEA analysis and hierarchical division results;
step three, establishing an expert knowledge base: establishing a protective measure database, establishing an evaluation standard, quantitatively evaluating the effectiveness of each protective measure by an expert based on the protective measure database according to the evaluation standard to form an expert knowledge base, and establishing corresponding expert knowledge bases for different use environments respectively by the expert;
step four, constructing an evaluation system: based on a general evaluation model and an expert knowledge base, combining a fuzzy algorithm, taking the bottom layer indexes of hierarchical division as input, and taking the environmental adaptability of each index of each level as output, and constructing an evaluation system;
in the second step, hierarchical analysis is adopted to carry out hierarchical division on ground equipment, and the method comprises the following steps:
A. taking the system of the ground equipment as a first hierarchy;
B. According to the professional field, the system is totally divided into three subsystems of an electric system, a mechanical system and a hydraulic system, and the second hierarchical division is completed;
C. according to the difference of action mechanisms of environmental factors and the difference of the adopted protective measures, characteristic classification is carried out on the environmental adaptability protective parts in the subsystem, and third-level classification is completed;
D. Performing feature class division on the component parts of each protection part in each feature class to finish fourth-level division;
E. Analyzing the reasons of the environmental conditions and working condition factors of the position which is easy to fail, and determining environmental adaptability protection measures according to the characteristic category to obtain a fifth level;
F. Drawing a hierarchical structure tree according to the hierarchical division result;
The protective measures database in the third step is a database which is formed by summarizing the natural acceleration environment test and the real use environment adaptability data of each element in the input index by taking the bottom index in the hierarchical division result as the input index for evaluating the environment adaptability of the ground equipment;
In the third step, the expert evaluates the elements according to the four grades of difference, poor, good and very good according to the natural acceleration environment test and the real use environment adaptability data of the elements of the input index and the evaluation standard, and quantizes the evaluation result into an evaluation vector according to the membership calculation method of the fuzzy algorithm, and the evaluation vectors of the protection measures form an expert knowledge base;
the assessment method of the ground equipment environment adaptability assessment system comprises the following steps:
Step 1, determining the use environment of ground equipment, and selecting an expert knowledge base matched with the use environment of the ground equipment in an evaluation system;
Step2, correspondingly adjusting a general assessment model according to the actual composition condition of the ground equipment;
Step 3, selecting elements of the input indexes of the bottom layer of the hierarchical structure tree from the expert knowledge base as design factors, taking the evaluation and quantization results of the elements as input, and automatically calculating the environment adaptability of each index of each level of the general evaluation model by the evaluation system through a fuzzy algorithm;
Step 4, identifying the environmental adaptability design weak points of the ground equipment;
in the step 2, according to the actual composition condition of the ground equipment, the type of factors of a fourth level in the general evaluation model is adjusted, and the weight distribution among the factors of the fourth level is defined;
the use environment of the ground equipment in the step 1 comprises, but is not limited to, an island environment, a plateau gobi environment and a alpine environment.
2. The method for creating a system for evaluating environmental suitability of a surface facility of claim 1, wherein: in the second step, based on FMEA analysis and hierarchical division results, the method for establishing the general assessment model by using the fuzzy comprehensive assessment method comprises the following main steps:
A. constructing a factor set, and determining the relation between factors in adjacent upper and lower layers;
B. constructing a judgment matrix, and determining the weight relation among factors in each layer;
C. consistency test is carried out on the judgment matrix;
D. And taking the bottom index of the hierarchical structure tree as input, and sequentially evaluating the environmental adaptability of the previous level by using a fuzzy analytic hierarchy process to form a general evaluation model.
3. The method for creating a system for evaluating environmental suitability of a surface facility of claim 1, wherein: and in the step 4, identifying the importance degree of the factors according to the factor weight values, identifying the environmental adaptability protection level of the factors according to the evaluation scores obtained by the factors, and finally determining the weak points of the environmental adaptability design based on the importance degree of the factors and the environmental adaptability protection level of the factors.
4. The method for creating a system for evaluating environmental suitability of a surface facility of claim 1, wherein: and in the step 3, the evaluation system automatically calculates the environment adaptability of each index of each level layer by layer from back to front through a fuzzy algorithm.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240961A (en) * | 2017-12-13 | 2018-07-03 | 中国特种飞行器研究所 | Coating system coastal environments adaptability teaching method |
| KR101934667B1 (en) * | 2018-02-07 | 2019-01-02 | 고려대학교 산학협력단 | Method and system for estimation of habitat suitability using fuzzy modeling |
| CN113344471A (en) * | 2021-08-03 | 2021-09-03 | 中国飞机强度研究所 | Method for representing weather environment adaptability of aircraft system |
-
2021
- 2021-09-23 CN CN202111117569.2A patent/CN113793053B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240961A (en) * | 2017-12-13 | 2018-07-03 | 中国特种飞行器研究所 | Coating system coastal environments adaptability teaching method |
| KR101934667B1 (en) * | 2018-02-07 | 2019-01-02 | 고려대학교 산학협력단 | Method and system for estimation of habitat suitability using fuzzy modeling |
| CN113344471A (en) * | 2021-08-03 | 2021-09-03 | 中国飞机强度研究所 | Method for representing weather environment adaptability of aircraft system |
Non-Patent Citations (5)
| Title |
|---|
| 军用飞机环境适应性评价模型;李曙林;杨森;孙冬;;航空学报(第06期);全文 * |
| 基于灰色模糊理论的飞行保障装备高原环境适应性评估;杨阳;赵徐成;刘章龙;谢千东;;装甲兵工程学院学报(第04期);第30-34页 * |
| 武器装备运输环境适应性评估研究;康兴无;王峰立;;装备环境工程(第04期);全文 * |
| 通信装备复杂电磁环境适应性试验评估技术;荣辉;王满喜;;航天电子对抗(第01期);全文 * |
| 飞机自动化对接装配系统的故障维修决策;余锋杰;柯映林;应征;;计算机集成制造系统(第09期);第1823-1830页 * |
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