CN115730430A - DFMEA system analysis method and system - Google Patents
DFMEA system analysis method and system Download PDFInfo
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Abstract
The invention relates to the technical field of failure analysis, in particular to a method and a system for analyzing a DFMEA (distributed feed back membrane electrode assembly) system, wherein the method comprises the following steps: inputting a project name in a project module, calling a product library module by the project module to obtain a product name corresponding to the project name, and further obtaining an incidence relation between the project name and the product name; after the DFMEA module inputs the incidence relation, the DFMEA module obtains a material list and a material level relation; the user selects to obtain the material name based on the bill of materials; the DFMEA module obtains element nodes based on the material name and the material hierarchical relation; the element nodes comprise material names and upper-level materials and lower-level materials corresponding to the material names; and the DFMEA module analyzes the element nodes by calling a knowledge base and adding instructions to obtain an analysis report. The invention can quickly position three levels of different element nodes and corresponding upper and lower level nodes, improves the analysis efficiency, and avoids the confusion of product functions, failure modes and the like in the complex product structure level by users.
Description
Technical Field
The invention relates to the technical field of failure analysis, in particular to a method and a system for analyzing a DFMEA (differential design architecture analysis) system.
Background
Design Failure Mode Analysis (DFMEA) method is a systematic method for analyzing quality risk of product Design, so that designers can find hidden quality troubles in the early stage and take appropriate preventive measures and detection measures, thereby ensuring the Design quality of products. The DFMEA analyzes the function and failure incidence relation between the element nodes and the corresponding upper-level and lower-level nodes to identify product risks, but the hierarchy of the actual complex product is not limited to a three-layer structure, the workload of direct analysis is large, the problems of incomplete function, unclear logic, unclear reason, improper measures and the like often occur, and the expected effect is difficult to achieve.
Disclosure of Invention
In view of this, the present invention provides an analysis method and system for a DFMEA system, which can quickly locate three levels, i.e., different element nodes and corresponding upper and lower level nodes, thereby improving analysis efficiency and avoiding confusion of product functions and failure modes in a complex product structure level by a user.
In order to achieve the purpose, the invention provides the following scheme:
a method of analyzing a DFMEA system, the DFMEA system including a project module, a DFMEA module, and a product library module, the method comprising:
inputting a project name in the project module, and calling the product library module by the project module to obtain a product name corresponding to the project name and further obtain an incidence relation between the project name and the product name;
after the DFMEA module inputs the incidence relation, the DFMEA module obtains a material list and a material level relation;
the user selects to obtain a material name based on the bill of materials; the DFMEA module obtains element nodes based on the material names and the material hierarchical relation; the element nodes comprise the material names and upper-level materials and lower-level materials corresponding to the material names;
and the DFMEA module analyzes the element nodes by calling a knowledge base and adding instructions to obtain an analysis report.
Preferably, the materials in the bill of materials are parts and/or raw materials.
Preferably, the material name and the upper-level material and the lower-level material corresponding to the material name are displayed in a structure tree mode.
Preferably, when the lower-level materials are analyzed, the upper-level materials are hidden.
The invention also provides an analysis system of the DFMEA system, wherein the DFMEA system comprises a project module, a DFMEA module and a product library module, and the analysis system comprises:
the incidence relation module is used for calling the product library module by the project module after the project module inputs the project name to obtain the product name corresponding to the project name and further obtain the incidence relation between the project name and the product name;
the material module is used for obtaining a material list and a material level relation by the DFMEA module after the association relation is input by the DFMEA module; the user selects to obtain a material name based on the bill of materials; the DFMEA module obtains element nodes based on the material names and the material hierarchical relation; the element nodes comprise the material names and upper-level materials and lower-level materials corresponding to the material names;
and the analysis module is used for calling a knowledge base and adding instructions to analyze the element nodes based on the DFMEA module to obtain an analysis report.
Preferably, the materials in the bill of materials are parts and/or raw materials.
Preferably, the material name and the upper-level material and the lower-level material corresponding to the material name are displayed in a structure tree mode.
Preferably, when the lower-level materials are analyzed, the upper-level materials are hidden.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention relates to a method and a system for analyzing a DFMEA (differential design architecture) system, wherein the method comprises the following steps: inputting a project name in a project module, calling the product library module by the project module to obtain a product name corresponding to the project name, and further obtaining an incidence relation between the project name and the product name; after the DFMEA module inputs the incidence relation, the DFMEA module obtains a material list and a material level relation; the user selects to obtain the material name based on the bill of materials; the DFMEA module obtains element nodes based on the material name and the material hierarchical relation; the element nodes comprise material names and upper-level materials and lower-level materials corresponding to the material names; and the DFMEA module analyzes the element nodes by calling a knowledge base and adding an instruction to obtain an analysis report. The invention can quickly position three levels of different element nodes and corresponding upper and lower level nodes, improves the analysis efficiency, and avoids the confusion of product functions, failure modes and the like in the complex product structure level by users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of a method of analyzing a DFMEA system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an analysis method and an analysis system of a DFMEA (distributed feed back membrane electrode assembly) system, which can quickly position three levels of different element nodes and corresponding upper-level and lower-level nodes, improve the analysis efficiency and avoid the confusion of product functions, failure modes and the like in a complex product structure level by a user.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
FIG. 1 is a flow chart of a method of analyzing a DFMEA system according to the present invention. As shown in fig. 1, the present invention provides an analysis method of a DFMEA system including a project module, a DFMEA module, and a product library module, the method including:
step S1, inputting a project name in the project module, calling the product library module by the project module to obtain a product name corresponding to the project name, and further obtaining an incidence relation between the project name and the product name.
Specifically, a user clicks to create a project in the project module, the project module opens a basic information page to present an editable state, after a project name and a project number are input, the project module calls the product library module to obtain a product name corresponding to the project name, and after the project name, the project number, the product name and the association relation are stored in the project module.
And S2, after the DFMEA module inputs the association relation, the DFMEA module obtains a bill of materials and a material level relation.
The bill of materials is a technical file defining the product structure, is in an EXCEL format, and contains parts, raw materials and the like which constitute the product name corresponding to the project name.
S3, selecting by a user based on the bill of materials to obtain a name of the materials; and the DFMEA module obtains element nodes based on the material names and the material hierarchical relation.
The element nodes comprise the material names and upper-level materials and lower-level materials corresponding to the material names.
Preferably, the material name and the upper-level material and the lower-level material corresponding to the material name are displayed in a structure tree mode.
Specifically, a user creates a DFMEA on the DFMEA module, the DFMEA module opens a basic information page and presents an editable state, the user selects to obtain a material name based on the bill of materials, and the DFMEA module obtains an element node based on the material name and the material hierarchy relationship.
And S4, the DFMEA module analyzes the element nodes by calling a knowledge base and adding an instruction to obtain an analysis report.
When the subordinate materials are analyzed, the material names are automatically converted into superior nodes of the subordinate materials, and the superior materials are hidden.
The invention also provides an analysis system of the DFMEA system, wherein the DFMEA system comprises a project module, a DFMEA module and a product library module, and the analysis system comprises:
and the incidence relation module is used for calling the product library module by the project module after the project module inputs the project name to obtain the product name corresponding to the project name and further obtain the incidence relation between the project name and the product name.
The material module is used for obtaining a material list and a material level relation by the DFMEA module after the association relation is input by the DFMEA module; the user selects to obtain a material name based on the bill of materials; the DFMEA module obtains element nodes based on the material names and the material hierarchical relation; the element nodes comprise the material names and upper-level materials and lower-level materials corresponding to the material names.
And the analysis module is used for calling a knowledge base and adding instructions to analyze the element nodes based on the DFMEA module to obtain an analysis report.
Optionally, the materials in the bill of materials are parts and/or raw materials.
Optionally, the material name and the upper-level material and the lower-level material corresponding to the material name are displayed in a structure tree manner.
Optionally, when the lower-level material is analyzed, the upper-level material is hidden.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principle and the embodiment of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A method of analyzing a DFMEA system comprising a project module, a DFMEA module, and a product library module, the method comprising:
inputting a project name in the project module, and calling the product library module by the project module to obtain a product name corresponding to the project name and further obtain an incidence relation between the project name and the product name;
after the DFMEA module inputs the incidence relation, the DFMEA module obtains a material list and a material level relation;
the user selects to obtain a material name based on the bill of materials; the DFMEA module obtains element nodes based on the material names and the material hierarchical relation; the element nodes comprise the material names and upper-level materials and lower-level materials corresponding to the material names;
and the DFMEA module analyzes the element nodes by calling a knowledge base and adding instructions to obtain an analysis report.
2. The method of analyzing a DFMEA system of claim 1, wherein the materials in the bill of materials are parts and/or raw materials.
3. The DFMEA system analysis method of claim 1, wherein the material name and the upper level material and the lower level material corresponding to the material name are displayed in a tree structure.
4. The DFMEA system analysis method of claim 1, wherein the upper level material is hidden when the lower level material is analyzed.
5. An analysis system for a DFMEA system comprising a project module, a DFMEA module, and a product library module, the analysis system comprising:
the incidence relation module is used for calling the product library module by the project module after the project module inputs the project name to obtain the product name corresponding to the project name and further obtain the incidence relation between the project name and the product name;
the material module is used for obtaining a material list and a material level relation by the DFMEA module after the association relation is input by the DFMEA module; the user selects to obtain a material name based on the bill of materials; the DFMEA module obtains element nodes based on the material names and the material hierarchical relation; the element nodes comprise the material names and upper-level materials and lower-level materials corresponding to the material names;
and the analysis module is used for calling a knowledge base and an adding instruction to analyze the element nodes based on the DFMEA module to obtain an analysis report.
6. The system for analyzing a DFMEA system of claim 5, wherein the materials in the bill of materials are parts and/or raw materials.
7. The DFMEA system analysis system of claim 5, wherein the material name and the upper level material and the lower level material corresponding to the material name are displayed in a tree format.
8. The DFMEA system analysis system according to claim 5, wherein the upper level material is hidden from view when the lower level material is analyzed.
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