Guided step-by-step analysis method, system and equipment

Abstract

The invention relates to the field of failure analysis, and discloses a guided step-by-step analysis method, system and equipment, the method comprises the following steps: obtaining analysis items and analysis modes of a target object, the analysis items comprising structure, function, failure, risk and optimization in sequence; if the analysis mode is a concentration mode, analyzing and processing the analysis items step by step according to the sequence of the analysis items, and generating a guide interface view matched with the current analysis item to assist analysis; if it is monitored that the current analysis item is completed, analyzing the next analysis item in sequence until analysis results of all the analysis items are obtained; and summarizing each analysis result, determining a DFMEA analysis file, and displaying the DFMEA analysis file. According to the method, analysis is guided step by step, so that the integrity and logicality of the analysis process are ensured, and the possibility of omission or repeated analysis is reduced; in the concentration mode, through visual interface guidance, the analysis efficiency and accuracy are improved, the analysis cost is reduced, and the problems that analysis cannot be carried out, logic is disordered and the like are solved.

Description

Technical Field

[0001] The present application relates to the field of failure analysis, and in particular to a guided step-by-step analysis method, system and device. Background Art

[0002] DFMEA is often used to conduct reliability analysis on products. However, when the product is large and complex, its analysis is very time-consuming in terms of manpower and financial resources, and the analysis cycle is long, which seriously affects the product development cycle. At the same time, when conducting the analysis, the analysis of key components is sometimes missed, which will affect the analysis results.

[0003] Especially in the automotive field, DFMEA templates are usually filled out manually one by one to generate DFMEA analysis files. However, the existing analysis methods, on the one hand, require a lot of learning costs and trial and error costs for newcomers to learn how to compile DFMEA, which has the disadvantages of high threshold and high learning cost; on the other hand, since newcomers lack sufficient knowledge system and experience support, they are prone to confusion and high rework rate, which will greatly reduce the DFMEA analysis effect and efficiency; on the other hand, if it is for complex parts, too much information is involved and often jumps back and forth during the analysis process, resulting in a decrease in the concentration of the analysis process and too high requirements for work continuity, thus affecting the compilation effect of parallel tasks; finally, when too much content is displayed, it is easier to get tired during inspection, which in turn affects work efficiency and effect. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, the present application discloses a guided step-by-step analysis method, system and device for solving the problems of insufficient concentration, easy fatigue, difficulty for newcomers to get started and high cost faced in failure analysis.

[0005] The first aspect of the present application discloses a guided step-by-step analysis method, comprising: obtaining analysis items and analysis modes of a target object, wherein the analysis items include structure, function, failure, risk and optimization in sequence; if the analysis mode is a focus mode, each analysis item is analyzed step by step according to the order of the analysis items, and a guide interface view matching the current analysis item is generated to assist in the analysis; if it is monitored that the current analysis item is completed, the next analysis item is analyzed in sequence until the analysis results of all the analysis items are obtained, wherein the analysis results include structural analysis results, functional analysis results, failure analysis results and risk and optimization analysis results; and each analysis result is summarized to determine the DFMEA analysis file corresponding to the target object and display it.

[0006] In certain embodiments of the first aspect of the present application, each of the analysis items is analyzed step by step according to the order of the analysis items, and a guidance interface view matching the current analysis item is generated to assist in the analysis, including: if the analysis mode is the focus mode, the display interface is switched to the focus view; in the focus view, step-by-step analysis is performed in sequence according to structural analysis, functional analysis, failure analysis, risk and optimization analysis; if switched to structural analysis, a structure tree view of the target object's associated structural information and a block diagram view of the target object are displayed in pages in the display interface; a structural integrity analysis is performed based on the structure tree view and the block diagram view; if a lack of interface connection is detected in the structure tree view or / and the block diagram view, the structure is determined to be incomplete, and guidance information to assist the user's operation is generated and responded to.

[0007] In certain embodiments of the first aspect of the present application, it also includes: if switching to functional analysis, a structure tree view of the target object's associated structural information and a functional view corresponding to the target object are displayed in pages in the display interface, wherein the execution condition of the functional analysis is that the structural integrity analysis must be satisfied; in response to at least a portion of the structure of the selected target object, the function and functional description annotations corresponding to at least a portion of the structure are synchronously displayed in the functional view, and the networking status of the function is characterized by color differentiation, wherein at least a portion of the structure is generated sequentially according to the hierarchical relationship of the associated structural information.

[0008] In certain embodiments of the first aspect of the present application, it also includes: if switching to failure analysis, the relationship view between the function and failure of the target object and the failure network view are displayed in pages in the display interface, wherein the execution condition of the failure analysis is after the function analysis is completed; failure analysis is performed on each of the functions to determine the failure end; recursively the mutual influence relationship of the failure ends in the relationship view to determine the failure chain, wherein the failure chain is to add the failure mode to the event node of the corresponding node and display the corresponding failure cause; differentiated display of the failure chain, and prominent display of the networking status in the failure network view, thereby improving the failure network view.

[0009] In certain embodiments of the first aspect of the present application, it also includes: if switching to risk and optimization analysis, a degree analysis is performed on all the failure chains to determine the severity; wherein the execution condition of the risk and optimization analysis is after the failure analysis is completed; if it is monitored that the severity corresponding to any of the failure chains meets the preset severity, the risk and optimization measures, detection and frequency of the current failure chain are evaluated, and the risk and optimization measures characterize the risk, failure cause and response measures of the failure chain; the complete failure chain in the failure network is verified, and the product integral between the severity, detection and frequency corresponding to the complete failure chain is calculated; if the product integral is greater than the preset integral and no risk and optimization measures are added, the risk and optimization analysis interface is displayed to guide the user to complete it.

[0010] In certain embodiments of the first aspect of the present application, it also includes: if the analysis mode is the expert mode, the display interface is switched to the expert view, and in response to an input instruction, a plurality of the analysis items are displayed at one time in the expert view, and each of the analysis items is analyzed in parallel until the analysis results of all the analysis items are obtained.

[0011] In certain embodiments of the first aspect of the present application, the various analysis results are summarized to determine the DFMEA analysis file corresponding to the target object, including: collecting the structural analysis results, the functional analysis results, the failure analysis results and the risk and optimization analysis results and summarizing them to determine the summary results; sorting the summary results according to the preset priority of each analysis result, filling the sorted summary results into a preset DFMEA template, and determining them as the DFMEA analysis file corresponding to the target object.

[0012] In certain embodiments of the first aspect of the present application, after determining the DFMEA analysis file corresponding to the target object, it also includes: fuzzy quantizing the structural analysis results, the functional analysis results, the failure analysis results and the risk and optimization analysis results to determine a quantization matrix; calculating the whitening value of each of the quantization matrices, and determining comprehensive information based on each of the whitening values; performing weighted calculation based on the comprehensive information and the weight coefficients of each type of analysis results to determine the reliability of the target object.

[0013] The second aspect of the present application discloses a guided step-by-step analysis system, comprising: an acquisition module, configured to acquire analysis items and analysis modes of a target object, wherein the analysis items include structure, function, failure, risk and optimization in sequence; a guided analysis module, configured to, if the analysis mode is a focus mode, perform step-by-step analysis on each analysis item according to the order of the analysis items, and generate a guided interface view matching the current analysis item to assist in the analysis; an analysis determination module, configured to, if it is monitored that the current analysis item is completed, analyze the next analysis item in sequence until the analysis results of all the analysis items are obtained, wherein the analysis results include structural analysis results, functional analysis results, failure analysis results, risk and optimization analysis results; and a file determination module, configured to summarize the various analysis results, determine the DFMEA analysis file corresponding to the target object, and display it.

[0014] The third aspect of the present application discloses an electronic device, comprising: a processor and a memory; the memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory, so that the electronic device executes the above method.

[0015] Beneficial effects of the present application: The present application analyzes each of the analysis items in steps according to the order of the analysis items, and generates a guidance interface view that matches the current analysis item, so that each step has a matching guidance interface view to assist in the analysis. On the one hand, the integrity and logic of the analysis process are ensured, and the possibility of missing or repeating the analysis is reduced; on the other hand, in the focus mode, the intuitive interface guidance not only improves the analysis efficiency and accuracy, but also reduces the company's employee training costs, the rework costs of new employees analyzing DFMEA, and helps new employees sort out analysis ideas to avoid problems such as having no idea where to start and logical confusion during analysis; when the current analysis item is monitored to be completed, it automatically turns to the next analysis item, ensuring the continuity and timeliness of the analysis work. At the same time, it is easy to track the progress of the analysis, and the generated DFMEA analysis file will be displayed, providing users with a clear and intuitive analysis result report; in addition, the visual display is conducive to users' quick understanding of the analysis results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an application environment diagram for implementing a guided step-by-step analysis method in an embodiment of the present application;

[0017] Figure 2 It is a schematic flow chart of a guided step-by-step analysis method in an embodiment of the present application;

[0018] Figure 3 It is a flowchart of a guided step-by-step analysis method in an embodiment of the present application;

[0019] Figure 4 It is a structural analysis interface diagram in a guided step-by-step analysis method in an embodiment of the present application;

[0020] Figure 5 This is a functional analysis interface diagram in a guided step-by-step analysis method in an embodiment of the present application;

[0021] Figure 6 This is a second interface diagram of a function analysis method in a guided step-by-step analysis method in an embodiment of the present application;

[0022] Figure 7 It is a failure analysis interface diagram in a guided step-by-step analysis method in an embodiment of the present application;

[0023] Figure 8 It is a second interface diagram of failure analysis in a guided step-by-step analysis method in an embodiment of the present application;

[0024] Fig. 9 This is a risk and optimization analysis interface diagram in a guided step-by-step analysis method in an embodiment of the present application;

[0025] Fig.10 It is a structural schematic diagram of a guided step-by-step analysis system in an embodiment of the present application;

[0026] Fig.11 It is a structural schematic diagram of an electronic device in an embodiment of the present application. DETAILED DESCRIPTION

[0027] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following embodiments and sub-samples in the embodiments can be combined with each other without conflict.

[0028] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application, and thus the drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0029] In the following description, a large number of details are discussed to provide a more thorough explanation of the embodiments of the present application. However, it is obvious to those skilled in the art that the embodiments of the present application can be implemented without these specific details. In other embodiments, well-known structures and devices are shown in the form of block diagrams rather than in detail to avoid making the embodiments of the present application difficult to understand.

[0030] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so as to describe the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0031] Unless otherwise stated, the term "plurality" means two or more.

[0032] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0033] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0034] Glossary: ​​DFMEA, the full name of which is Design Failure Mode and Effects Analysis, is a systematic method used during the product design phase to identify potential failure modes, assess their consequences and risks, and take preventive measures.

[0035] Combination Figure 1 As shown, it is an implementation environment diagram of a guided step-by-step analysis method provided in an embodiment of the present disclosure, including a user end and a server end, wherein the user end and the server end are connected to a network and communicate with each other. In this application, the user end is the front end, and the server end is the back end.

[0036] It should be understood that the guided step-by-step analysis method is applied to the user end or / and the server end. In some embodiments, the user end can be at least one of a computer device, a desktop device, a smart phone, and a tablet device; the server end can be configured as an independent physical server, or a server cluster or distributed system composed of multiple physical servers, or a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, and big data and artificial intelligence platforms; the software can be an application of the guided step-by-step analysis method, etc., but is not limited to the above forms.

[0037] Combination Figure 2 As shown, the embodiment of the present disclosure provides a flowchart of a guided step-by-step analysis method, including:

[0038] Step S201, obtaining analysis items and analysis modes of a target object, wherein the analysis items include structure, function, failure, risk and optimization in sequence;

[0039] The target object includes but is not limited to products, components or systems, for example, a vehicle system or a component of a vehicle; analysis items related to the target object are determined, including but not limited to structure, function, failure, risk and optimization. At the same time, user selection or pre-configuration is obtained, and analysis modes include expert mode and focus mode.

[0040] Exemplarily, relevant information of the target object is read through user input or preset configuration, and the specific content and order of the analysis are determined; the target object is first identified, and then a list of analysis items related to it (structure, function, failure, risk, optimization) is loaded, and the analysis mode is determined to be "focus mode" according to user selection or default settings.

[0041] Step S202, if the analysis mode is the focus mode, each analysis item is analyzed step by step according to the order of the analysis items, and a guide interface view matching the current analysis item is generated to assist the analysis;

[0042] In the focus mode, analysis is performed one by one in the order of structure, function, failure, risk and optimization; for each analysis item, a special guidance interface view is generated. For example, this view can provide necessary background information, analysis templates, data input fields, etc. to assist users or automatic analysis tools to efficiently complete analysis tasks.

[0043] For example, by focusing on the current analysis item, information overload can be reduced; at the same time, the design of the guiding interface view can also simplify the analysis process and ensure the consistency and accuracy of the analysis.

[0044] Step S203, if it is monitored that the current analysis item is completed, the next analysis item is analyzed in sequence until the analysis results of all the analysis items are obtained, and the analysis results include structural analysis results, functional analysis results, failure analysis results, and risk and optimization analysis results;

[0045] Among them, by continuously monitoring the completion status of the current analysis item, if it is detected that the analysis is completed, it will automatically move on to the next analysis item, and analyze them one by one until all analysis items are processed. The use of this automated monitoring and sequential advancement mechanism improves the analysis efficiency and ensures the continuity and integrity of the analysis process.

[0046] Exemplarily, a quality check is performed after each analysis item is completed to ensure the accuracy and reliability of the analysis results.

[0047] Step S204, summarize the various analysis results, determine the DFMEA analysis file corresponding to the target object, and display it.

[0048] Among them, after completing all analysis items, the various analysis results are integrated into a comprehensive report, namely the DFMEA (Design Failure Mode and Effect Analysis) analysis file. This file records the results of each analysis item in detail, including structural analysis results, functional analysis results, failure analysis results, and risk and optimization analysis results. Subsequently, the analysis file is displayed in graphical or text form for easy viewing and understanding by users.

[0049] Through the above methods, the efficiency and accuracy of target object analysis are significantly improved through focused analysis mode, guided interface design and automated management process; at the same time, DFMEA analysis files are generated and displayed, providing comprehensive risk assessment and optimization suggestions, which helps to discover and solve potential problems, reduce the risk of product failure and improve product quality.

[0050] Optionally, in some embodiments, each of the analysis items is analyzed step by step according to the order of the analysis items, and a guide interface view matching the current analysis item is generated to assist in the analysis, including:

[0051] If the analysis mode is the focus mode, the display interface is switched to the focus view;

[0052] In the focus view, the structural analysis, functional analysis, failure analysis, risk and optimization analysis are switched in sequence to perform step-by-step analysis;

[0053] If the switch is made to the structural analysis, a structure tree view of the target object associated structural information and a block diagram view of the target object are displayed in pages in the display interface;

[0054] A structural integrity analysis is performed based on the structure tree view and the block diagram view. If a lack of interface connection is detected in the structure tree view and / or the block diagram view, the structure is determined to be incomplete, and guidance information to assist user operation is generated in response.

[0055] Exemplarily, through user selection or pre-configuration, the current analysis mode is identified, and the user interface and information display mode are adjusted according to the mode. If the analysis mode selected by the user is detected as the focus mode, the display interface is automatically switched to the focus view. In the focus view, the user is guided to analyze in sequence according to the order of structural analysis, functional analysis, failure analysis, risk and optimization analysis. By guiding the user to gradually deepen, the comprehensiveness and systematicness of the analysis process are ensured. When switching to structural analysis, the structure tree view and the block diagram view of the target object associated structure information are displayed in the display interface in pages, providing the user with clear and intuitive structural information, which is convenient for the user to perform structural integrity analysis; the structural integrity analysis is performed according to the structure tree view and the block diagram view, and the situation of lack of interface connection is monitored. For example, if the structure is monitored to be incomplete (such as lack of interface connection), the structure is determined to be incomplete, and the guidance information that assists the user's operation is generated, and the guidance information is displayed to the user to help quickly understand the problem and take corresponding solutions. By automatically analyzing and generating the guidance information, it is possible to provide users with instant feedback and help, reducing the difficulty and time cost of users solving problems.

[0056] For example, users are allowed to customize the analysis process according to their own needs, increase or decrease analysis steps to meet the analysis needs in different scenarios; during the analysis process, analysis results and progress information are displayed in real time to help users better understand the analysis process and results.

[0057] Through the above methods, a clear and orderly analysis environment is provided to users in the focus mode; users can follow the guidance to step by step complete the steps of structural analysis, functional analysis, failure analysis, risk and optimization analysis, etc., to ensure the comprehensiveness and systematicness of the analysis process; at the same time, during the structural analysis process, the structural integrity can be monitored in real time, and guidance information is generated to assist users in operation, thereby reducing the difficulty and time cost of users in solving problems.

[0058] Optionally, in the above embodiment, it also includes:

[0059] If switching to the function analysis, the structure tree view of the target object associated structure information and the function view corresponding to the target object are displayed in pages in the display interface, wherein the execution condition of the function analysis is that the structure integrity analysis should be satisfied;

[0060] In response to at least a portion of the structure of the selected target object, the function corresponding to at least a portion of the structure and the function description annotation are synchronously displayed in the function view, and the networking status of the function is represented by color differentiation, wherein at least a portion of the structure is generated sequentially according to the hierarchical relationship of the associated structure information.

[0061] Exemplarily, when the user chooses to perform a functional analysis, the display interface switches to the corresponding functional analysis interface, in which the structure tree view and the functional view of the target object's associated structural information are displayed in pages. It should be noted that before performing a functional analysis, it is a necessary prerequisite that the structural integrity analysis is performed. For example, by checking the components and connection relationships in the structure tree view, verify whether the physical structure of the product is complete to ensure the effectiveness of the functional analysis. After the user selects a part of the structure of the target object, the functional description annotation corresponding to the part of the structure is synchronously displayed in the functional view to help the user understand the relationship between the structure and the function. Different colors are used for differentiated representation according to the networking status of the function. By detecting the networking status of the function corresponding to the function, its status information is intuitively displayed to the user in the form of color, which is convenient for the user to quickly identify the availability of the function.

[0062] In the above manner, by real-time detection of the networking status of the function and dynamic updating of the color representation, it is ensured that the user always obtains the latest function status information; in the function analysis stage, comprehensive analysis support is provided to the user, and the structure tree view and function view are displayed in pages, so that the user can view the physical structure and functional layout of the product at the same time, which helps to understand the relationship between structure and function; at the same time, by representing the networking status of the function through color differentiation, the user can quickly identify the availability of the function and improve the analysis efficiency and accuracy.

[0063] Optionally, in some embodiments, it further includes:

[0064] If switching to failure analysis, the relationship view between the function and failure of the target object and the failure network view are displayed in pages in the display interface, wherein the execution condition of the failure analysis is after the function analysis is completed;

[0065] Perform failure analysis on each of the functions to determine a failure end; recursively analyze the mutual influence relationship of the failure end in the relationship view to determine a failure chain, wherein the failure chain is an event node that adds a failure mode to a corresponding node and displays a corresponding failure cause;

[0066] The failure chain is displayed in a differentiated manner, and the networking status in the failure network view is highlighted, so as to improve the failure network view through guidance.

[0067] Exemplarily, when the user chooses to perform failure analysis, the corresponding failure analysis interface is switched to; in the failure analysis interface, the relationship view between the function and failure of the target object and the failure network view are displayed in pages so that the user can analyze step by step. It should be noted that the function analysis must be completed before the failure analysis is performed; the failure end that causes the function failure is determined by performing failure analysis on each function in the relationship view, and the core of the failure analysis is to identify the specific cause and failure end that causes the function failure, and the failure end is determined by simulating the failure scenario or referring to the historical failure data. The mutual influence relationship of the failure end in the relationship view is recursively analyzed to determine the failure chain; the event node is the key node in the failure chain, which is used to connect and display the cause and effect relationship of the failure, add the failure mode to the event node, and mark the failure cause so that the user can understand the propagation path and cause of the failure. Differentiated display helps users quickly identify and analyze the position and relationship of the failure chain in the failure network view, and distinguishes different failure chains and networking states through different visual elements, such as color, shape or size, so that users can better understand the propagation and mutual influence of failures; through the guidance or prompts provided by the system, guide users to reconnect the failure end to improve the failure network view.

[0068] Through the above method, comprehensive analysis support is provided to users in the failure analysis stage. By displaying the relationship view and failure network view in pages, users can gradually analyze the relationship between function and failure and the propagation path of failure. At the same time, by displaying the failure chain in a differentiated manner and highlighting the networking status in the failure network view, users are guided to reconnect the failure end to improve the failure network view, thereby improving the accuracy and completeness of the analysis.

[0069] Optionally, in some embodiments, it further includes:

[0070] If the switch is made to the risk and optimization analysis, a degree analysis is performed on all the failure chains to determine the severity; wherein the execution condition of the risk and optimization analysis is after the failure analysis is completed;

[0071] If it is monitored that the severity corresponding to any of the failure chains meets the preset severity, the risk and optimization measures, detection degree and frequency of the current failure chain are evaluated, and the risk and optimization measures represent the risk, failure cause and countermeasures of the failure chain;

[0072] Verify the complete failure chain in the failure network, and calculate the product integral between the severity, detection and frequency corresponding to the complete failure chain;

[0073] If the product integral is greater than the preset integral and no risk and optimization measures have been added, a risk and optimization analysis interface is displayed to guide the user to make improvements.

[0074] Exemplarily, the user chooses to conduct risk and optimization analysis and switches to the corresponding analysis interface; it should be noted that before conducting risk and optimization analysis, it is necessary to ensure that the failure analysis has been completed. Perform degree analysis on all failure chains identified in the failure analysis phase and evaluate their severity. For example, the degree analysis is a quantitative evaluation of the severity of the failure chain based on factors such as the potential impact and probability of occurrence of the failure chain. The system assigns a severity value to each failure chain by calculation or reference to historical data. Monitor the severity of each failure chain to determine whether it meets the preset severity threshold, wherein the preset severity is a threshold for screening failure chains that need further analysis; when the severity of the failure chain exceeds the threshold, evaluate its risks and optimization measures, including failure causes, risk assessment results and countermeasures, wherein the risks and optimization measures are proposed measures to reduce risks and reduce the impact of failures based on factors such as the severity and failure causes of the failure chain, and provide users with specific optimization suggestions by comprehensively analyzing various aspects of the failure chain. For example, determine whether the calculated product integral is greater than the preset integral threshold, and check whether risks and optimization measures have been added. For risk and optimization analysis that need to be improved, display the corresponding analysis interface to guide users to improve it.

[0075] Through the above method, the severity of the failure chain is determined by degree analysis, and the risk and optimization measures are evaluated according to the severity; at the same time, the risk level of the failure chain is quantitatively evaluated by calculating the product integral, and the user is guided to make improvements based on the evaluation results.

[0076] Optionally, in some embodiments, it further includes:

[0077] If the analysis mode is the expert mode, the display interface is switched to the expert view, and in response to an input instruction, a plurality of the analysis items are displayed at once in the expert view, and each of the analysis items is analyzed in parallel until analysis results of all the analysis items are obtained.

[0078] Exemplarily, according to the user's selection or pre-configuration, the currently required analysis mode can be identified, and the functions and interfaces can be adjusted accordingly. If the analysis mode selected by the user is the expert mode, the current display interface is switched to the expert view, including but not limited to adjusting the interface layout, display content, and interaction mode. In the expert view, the user's input instructions are responded to, such as selecting analysis items, setting analysis parameters, etc. By displaying multiple analysis items at one time, the number of times the user switches between different analysis items can be reduced. At the same time, parallel analysis can make full use of system resources, reduce analysis time, and significantly improve analysis efficiency.

[0079] Through the above methods, the expert mode provides users with a comprehensive, in-depth and efficient analysis environment, which significantly improves the analysis efficiency by displaying and analyzing multiple analysis items at one time and in parallel.

[0080] Optionally, in some embodiments, summarizing various analysis results to determine the DFMEA analysis file corresponding to the target object includes:

[0081] Collecting and summarizing the structural analysis results, the functional analysis results, the failure analysis results, and the risk and optimization analysis results to determine a summary result;

[0082] The summary results are sorted according to the preset priorities of the analysis results, and the sorted summary results are filled into a preset DFMEA template to be determined as the DFMEA analysis file corresponding to the target object.

[0083] For example, a comprehensive perspective is obtained through summary analysis to determine the performance of the target object in different dimensions, for example, by collecting analysis results such as structure, function, failure, risk and optimization, and integrating these results into a unified document. According to the preset priority rules, the various analyses in the summary results are sorted, and the priority is determined based on factors such as the severity of the failure, the possibility of occurrence, and the impact on the overall performance of the system; the sorted summary results are filled into the preset DFMEA template, for example, the analysis results are matched with the corresponding parts of the template (such as failure mode, cause, impact, preventive measures, etc.), and specific information is filled in. After completion, it is determined as the DFMEA analysis file corresponding to the target object.

[0084] Through the above methods, by integrating and analyzing the performance of the target object in different dimensions, potential risks and improvement points can be identified; it is conducive to early detection and resolution of problems, thereby reducing the risk of product failure and improving product quality and reliability.

[0085] Optionally, in some embodiments, after determining the DFMEA analysis file corresponding to the target object, the method further includes:

[0086] The structural analysis results, the functional analysis results, the failure analysis results and the risk and optimization analysis results are fuzzy quantized respectively to determine a quantization matrix;

[0087] Calculating a whitening value of each of the quantization matrices, and determining comprehensive information based on each of the whitening values;

[0088] The reliability of the target object is determined by performing a weighted calculation based on the comprehensive information and the weight coefficients of various analysis results.

[0089] Exemplarily, the method of fuzzy mathematics is used to convert the qualitative analysis results into quantitative values; the structural analysis results, functional analysis results, failure analysis results and risk and optimization analysis results are fuzzy quantized respectively to form their own quantization matrices; wherein, the whitening value is the process of converting the fuzzy value into a clear value, which is used for the subsequent comprehensive evaluation. By calculating the whitening value, the fuzziness can be eliminated to make the evaluation result clearer. The formed quantization matrix is ​​defuzzified and the whitening value of each quantization matrix is ​​calculated. The comprehensive information is the information reflecting the overall condition of the target object obtained by integrating the whitening values ​​of various analysis results. Based on the whitening values ​​of each quantization matrix, the comprehensive information reflecting the overall condition of the target object is obtained. Among them, the weight coefficient represents the relative importance of various analysis results in the comprehensive evaluation. The expert scoring method, entropy weight method and other methods can be used to select the appropriate method according to the specific situation; through weighted calculation, the influence of various analysis results on reliability is comprehensively considered to obtain a more accurate reliability evaluation result and determine the reliability of the target object.

[0090] Through the above method, various analysis results are fuzzy quantized, and the whitening value of the quantization matrix is ​​calculated, and then weighted calculation is performed based on comprehensive information and weight coefficients to finally determine the reliability of the target object; this method comprehensively considers multiple aspects such as structure, function, failure and risk, and improves the accuracy and comprehensiveness of reliability assessment; at the same time, through the fuzzy quantification method, the qualitative analysis results are converted into quantitative values, which is convenient for subsequent processing and evaluation.

[0091] See also Figure 3 , is a flowchart of a guided step-by-step analysis method in an embodiment of the present application, which is described in detail as follows:

[0092] In the DFMEA module, after the person in charge clicks Create DFMEA, in the DFMEA structure tree module, according to the requirements of the FMEA methodology, the product structure tree of the DFMEA structure tree module is built by calling the product library module. The product design engineer can build a specific product structure tree according to the product function.

[0093] Switch from the expert editing interface to the focus mode, and develop 4 pages including structure analysis, function analysis, failure analysis, risk analysis & optimization;

[0094] When querying, starting from the currently focused structure, recursively search all structures upward and downward to obtain the complete structure tree; for example, the DFMEA structure includes structure ID, DFMEAID, and other structure information.

[0095] Check the boundary map to confirm whether the existing structure is interfaced;

[0096] The structure tree queries the left-linked function table and all functions; for example, the DFMEA function includes function ID, structure ID, DFMEAID, and other structure information.

[0097] Check the functions to see if all structures have been analyzed and all interface functions have been added;

[0098] Check the function network to see if all functions are connected into a network;

[0099] The structure tree is left-linked to the function table and the invalidation table, and all invalidations are queried;

[0100] Check failures to see if there is at least one failure under all functions; for example, DFMEA failures include failure ID, function ID, structure ID, DFMEAID, and other structure information.

[0101] Check the failure network to see if all failures are connected into a network;

[0102] After the failures are networked, the failure of the current structure of interest is taken as the center, and the failure network is recursively derived upwards / downwards. The number of failure chains is formed according to the number of associated failures of the structure of interest.

[0103] For the formed failure chain, check whether all the top layers of the chain have severity assessments, and check whether the measures and detection / frequency have been assessed at the downstream of the chain; for example, DFMEA measures include measure ID, failure ID, function ID, structure ID, DFMEAID, and other structure information.

[0104] Calculate all severity*detection*frequency values, and check whether optimization measures have been added for those with results exceeding 100, and whether the optimization measures have evaluated detection and frequency.

[0105] The final result is a DFMEA form.

[0106] In this embodiment, an analysis-assisted tool module is added to the existing DFMEA system to assist DFMEA engineers in solving the problem of consistency of analysis ideas; the problems of insufficient concentration and fatigue when manually compiling a complete DFMEA at one time, as well as the difficulty and high cost for new employees in the enterprise are solved.

[0107] Through the above method, the structure, function, failure, measure, and optimization analysis in the analysis steps are split one by one and guided; the functional analysis is carried out only after the structural analysis is completed; at the same time, it supports the downstream analysis to return to the upstream at any time to supplement when the upstream is insufficient; according to the needs of different business models, the intermediate steps can be dynamically omitted. For example, if the structural analysis is not required, just start the analysis from the function. This mode also supports adding a new structure for analysis on the functional analysis interface; by switching between expert mode and focus mode, all structures, functions, and failures can be expanded for analysis at one time in the expert mode, while the focus mode needs to be completed step by step according to the guided steps, which not only ensures the efficiency of experienced people, but also ensures the focus of beginners.

[0108] Optionally, in some embodiments, the scheme is detailed as follows:

[0109] Break down the entire DFMEA content into: structure, structure-function, structure-function-failure, structure-function-failure-risk & measures;

[0110] Identify the related structural information of DFMEA upper and lower levels;

[0111] Provide a button to switch between "Expert View" and "Focused View", and provide step-by-step configuration of "Focused View";

[0112] Serial number Step Name Is the view displayed? Remark 1 Structural analysis yes You can set whether the switch is displayed 2 Functional analysis yes You can set whether the switch is displayed 3 Failure Analysis yes Cannot set whether the switch is displayed 4 Risk Analysis & Optimization yes Cannot set whether the switch is displayed

[0113] After switching to the focus view, all functions, failures, measures and other objects of the sub-structure involved in DFMEA can be retained;

[0114] Generate a "focused view" by selecting the structure and relationship between data;

[0115] In the focus view, arrange the structural analysis, functional analysis, failure analysis, risk analysis & optimization pages horizontally from left to right, and open the structural analysis page first;

[0116] For example, see Figure 4 , which is a structural analysis interface diagram in a guided step-by-step analysis method in an embodiment of the present application; in the structural analysis page, the engineer completes the overall structure tree, analyzes what directly related internal structures and externally related structures are, and how to connect them;

[0117] Specifically, engineers can use this perspective to confirm whether the structure of the analysis object is complete: observe and analyze whether there are any omissions in the structure through the structure tree view on the left and the block diagram view on the right. If there are omissions, they need to be supplemented. If the structure is supplemented but not structurally connected to the current analysis object, it will be prompted that the interface has not been connected, guiding the engineer to supplement the interface.

[0118] For example, see Figure 5 and Figure 6 , respectively, a functional analysis interface diagram 1 and a functional analysis interface diagram 2 in a guided step-by-step analysis method in an embodiment of the present application; after the structural analysis is completed, select the second page "Functional Analysis" to perform a functional analysis of the structure: analyze the functions of the current structure and related structures, and connect the functions into a network to determine the relationship between the functions;

[0119] Specifically, engineers can use this perspective to confirm the relationship between structure and function, as well as analyze the functions corresponding to the complete structure. The function must involve the function connected in the previous step, otherwise it will prompt that a certain interface function under a specific structure has not been analyzed, guiding engineers to analyze the interface function. At the same time, the color of the function's frame indicates whether the function has been connected to the network. After connecting to the network, the color of the frame will turn green, and the green color of the frame is divided into the left and right sides to indicate which side has been connected to the functional network, guiding engineers to improve the connection of the entire functional network.

[0120] For example, see Figure 7 and Figure 8 , respectively, a failure analysis interface diagram 1 and a failure analysis interface diagram 2 in a guided step-by-step analysis method in an embodiment of the present application; after the functional analysis is completed, enter the third page "Failure Analysis" to analyze the failure modes of each function, and connect the failure modes into a network to determine the mutual influence relationship of the failures;

[0121] Specifically, engineers can use this perspective to confirm the relationship between function and failure, as well as analyze complete failures. In this step, engineers need to perform failure analysis on each analyzed function. If there is a function whose failure mode has not been analyzed, it will prompt that a certain function of a certain structure has not been analyzed for failure. After the failure analysis is completed, the connection status of the failure network is marked by the color of the outer frame: the color of the outer frame after connection will turn green, and the green color of the outer frame is divided into the left and right sides to indicate which side has been connected to the failure network, guiding engineers to improve the connection of the entire failure network.

[0122] For example, see Fig. 9 , which is a risk and optimization analysis interface diagram in a guided step-by-step analysis method in an embodiment of the present application; after the failure analysis is completed, enter the "Risk Analysis & Optimization" page, set prevention and detection measures for the risks of the current structure, analyze the action priority, and set optimization measures for items with high action priority to reduce their risks, and complete DFMEA.

[0123] Specifically, engineers can observe the entire failure chain from this perspective, directly analyze the corresponding causes and measures, directly score the failure severity in the failure chain, formulate measures, analyze the detection and frequency, and finally analyze the DFMEA results and present them in the result documentation.

[0124] Strategy and Rules

[0125]

[0126]

[0127] In the above embodiment, a new view mode with guidance capability is expanded in the original DFMEA system, with dual views in parallel; novice engineers enter the focused analysis mode by clicking on the view switch, and follow the tabs to gradually improve the entire DFMEA from structural analysis - functional analysis - failure analysis - risk analysis - optimization analysis, which greatly reduces the possibility of rework. When experienced experts feel that the DFMEA content is too much, the amount of information is too large, and they feel tired, they can also switch to the focused mode to complete the entire DFMEA more efficiently and with high quality. In the dual-view collaborative mode, it can well solve the problems of novice DFMEA analysis engineers finding it difficult to get started, novice logic confusion, lack of focus, and lack of focus in ordinary scene analysis.

[0128] This application adopts a guided step-by-step analysis method with the following technical effects:

[0129] First, the analysis focus of DFMEA analysis engineers is improved, which reduces the company's employee training costs, reduces the rework costs (quality costs) of new employees in DFMEA analysis, and helps new employees sort out their analysis ideas to avoid problems such as being at a loss when analyzing and logical confusion.

[0130] Second, some companies have a fixed structure or the functions in the structure change slightly. In this case, the guiding steps of structural and functional analysis can be hidden and the risk analysis can be started directly, which greatly improves the efficiency of the guiding analysis method.

[0131] Third, the expert mode still meets the needs of experienced people to improve the efficiency of DFMEA writing. It improves the efficiency of DFMEA writing. In the case of fatigue or complex DFMEA relationships, experienced people can also switch to the guided mode to ensure good quality and ideas, and the system will help to ensure the quality of the compilation.

[0132] See also Fig.10 , is a schematic diagram of the structure of a guided step-by-step analysis system in an embodiment of the present application, comprising:

[0133] An acquisition module 1001 is configured to acquire analysis items and analysis modes of a target object, wherein the analysis items sequentially include structure, function, failure, risk, and optimization;

[0134] The guide analysis module 1002 is configured to analyze each of the analysis items step by step according to the order of the analysis items if the analysis mode is the focus mode, and generate a guide interface view matching the current analysis item to assist the analysis;

[0135] The analysis and determination module 1003 is configured to analyze the next analysis item in sequence if the current analysis item is completed, until the analysis results of all the analysis items are obtained, wherein the analysis results include structural analysis results, functional analysis results, failure analysis results, and risk and optimization analysis results;

[0136] The file determination module 1004 is configured to summarize various analysis results, determine the DFMEA analysis file corresponding to the target object, and display it.

[0137] It should be noted that the guided step-by-step analysis system of the present application corresponds one-to-one to the guided step-by-step analysis method, and the corresponding technical details and technical solutions refer to the above-mentioned guided step-by-step analysis method, which will not be described in detail here.

[0138] Through the above method, the present application analyzes each of the analysis items step by step according to the order of the analysis items, and generates a guidance interface view matching the current analysis item, so that each step has a matching guidance interface view to assist in the analysis. On the one hand, it ensures the integrity and logic of the analysis process and reduces the possibility of missing or repeating the analysis; on the other hand, in the focus mode, the intuitive interface guidance not only improves the analysis efficiency and accuracy, but also reduces the company's employee training costs, the rework costs of new employees analyzing DFMEA, and helps new employees sort out analysis ideas to avoid problems such as having no idea where to start and logical confusion during analysis; when the current analysis item is monitored to be completed, it automatically turns to the next analysis item, ensuring the continuity and timeliness of the analysis work. At the same time, it is easy to track the progress of the analysis, and the generated DFMEA analysis file will be displayed, providing users with a clear and intuitive analysis result report; in addition, the visual display is conducive to users' quick understanding of the analysis results.

[0139] In other embodiments, the present disclosure also provides an electronic device, including: a processor and a memory; the memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory, so that the electronic device executes the above method.

[0140] Fig.11 The structure diagram of the computer system suitable for implementing the electronic device of the embodiment of the present application is shown. It should be noted that: Fig.11 The computer system 1100 of the electronic device shown is only an example and should not bring any limitation to the functions and application scope of the embodiments of the present application.

[0141] like Fig.11 As shown, the computer system 1100 includes a central processing unit (CPU) 1101, which can perform various appropriate actions and processes according to the program stored in the read-only memory (ROM) 1102 or the program loaded from the storage part 1108 to the random access memory (RAM) 1103, such as executing the method in the above embodiment. In the random access memory 1103, various programs and data required for system operation are also stored. The central processing unit 1101, the read-only memory 1102 and the random access memory 1103 are connected to each other through a bus 1104. An input / output (I / O) interface 1105 is also connected to the bus 1104.

[0142] The following components are connected to the input / output interface 1105: an input section 1106 including a keyboard, a mouse, etc.; an output section 1107 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc.; a storage section 1108 including a hard disk, etc.; and a communication section 1109 including a network interface card such as a LAN (Local Area Network) card, a modem, etc. The communication section 1109 performs communication processing via a network such as the Internet. A drive 1110 is also connected to the input / output interface 1105 as needed. A removable medium 1111, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 1110 as needed so that a computer program read therefrom is installed into the storage section 1108 as needed.

[0143] In particular, according to an embodiment of the present application, the process described above with reference to the flowchart can be implemented as a computer software program. For example, an embodiment of the present application includes a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program includes a computer program for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from a network through the communication part 1109, and / or installed from a removable medium 1111. When the computer program is executed by the central processing unit 1101, various functions defined in the method of the present application are executed.

[0144] The above description and accompanying drawings fully illustrate the embodiments of the present disclosure so that those skilled in the art can practice them. Other embodiments may include structural, logical, electrical, process and other changes. The embodiments represent possible changes only. Unless explicitly required, separate components and functions are optional, and the order of operation may vary. Parts and subsamples of some embodiments may be included in or replace parts and subsamples of other embodiments. Moreover, the words used in this application are only used to describe the embodiments and are not used to limit the claims. As used in the description of the embodiments and claims, unless the context clearly indicates, the singular forms of "a", "an" and "the" are intended to include plural forms as well. Similarly, the term "and / or" used in this application refers to any and all possible combinations listed in association with one or more. In addition, when used in the present application, the term "comprise" and its variants "comprises" and / or comprising refer to the presence of a stated sub-sample, whole, step, operation, element, and / or component, but do not exclude the presence or addition of one or more other sub-samples, wholes, steps, operations, elements, components and / or groups of these. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method or device comprising the elements. In this article, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiments, then the relevant parts can refer to the description of the method part.

[0145] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. Technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. Technicians can clearly understand that for the convenience and simplicity of description, the specific working process of the methods, devices and units described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0146] In the embodiments disclosed herein, the disclosed methods and products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of units can be only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some sub-samples can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between each other shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to implement this embodiment. In addition, each functional unit in the embodiment of the present disclosure may be integrated in a processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit.

[0147] The flowchart and block diagram in the accompanying drawings show the possible architecture, function and operation of the method, system and computer program product according to the embodiment of the present disclosure. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of the code, and a part of the module, program segment or code contains one or more executable instructions for realizing the specified logical function. In some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. In the description corresponding to the flowchart and block diagram in the accompanying drawings, the operations or steps corresponding to different boxes can also occur in a different order from the order disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two consecutive operations or steps can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. Each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, may be implemented by a dedicated hardware-based method for performing the specified functions or actions, or may be implemented by a combination of dedicated hardware and computer instructions.

Claims

1. A guided step-by-step analysis method, characterized in that: include: Acquire analysis items and analysis modes of the target object, wherein the analysis items include structure, function, failure, risk and optimization in sequence; If the analysis mode is the focus mode, each of the analysis items is analyzed step by step according to the order of the analysis items, and a guide interface view matching the current analysis item is generated to assist the analysis; If the current analysis item is completed, the next analysis item is analyzed in sequence until the analysis results of all the analysis items are obtained, and the analysis results include structural analysis results, functional analysis results, failure analysis results, and risk and optimization analysis results; Summarize the various analysis results, determine the DFMEA analysis file corresponding to the target object, and display it.

2. The method according to claim 1, characterized in that: Analyze each of the analysis items step by step according to the order of the analysis items, and generate a guide interface view matching the current analysis item to assist the analysis, including: If the analysis mode is the focus mode, the display interface is switched to the focus view; In the focus view, the structural analysis, functional analysis, failure analysis, risk and optimization analysis are switched in sequence to perform step-by-step analysis; If the switch is made to the structural analysis, a structure tree view of the target object associated structural information and a block diagram view of the target object are displayed in pages in the display interface; A structural integrity analysis is performed based on the structure tree view and the block diagram view. If a lack of interface connection is detected in the structure tree view and / or the block diagram view, the structure is determined to be incomplete, and guidance information to assist user operation is generated in response.

3. The method according to claim 2, characterized in that Also includes: If switching to the functional analysis, the structure tree view of the target object associated structure information and the function view corresponding to the target object are displayed in pages in the display interface, wherein the execution condition of the functional analysis is that the structural integrity analysis should be satisfied; In response to at least a portion of the structure of the selected target object, the function corresponding to at least a portion of the structure and the function description annotation are synchronously displayed in the function view, and the networking status of the function is represented by color differentiation, wherein at least a portion of the structure is generated sequentially according to the hierarchical relationship of the associated structure information.

4. The method according to claim 2, characterized in that: Also includes: If switching to failure analysis, the relationship view between the function and failure of the target object and the failure network view are displayed in pages in the display interface, wherein the execution condition of the failure analysis is after the completion of the function analysis; Perform failure analysis on each of the functions to determine a failure end; recursively analyze the mutual influence relationship of the failure end in the relationship view to determine a failure chain, wherein the failure chain is an event node that adds a failure mode to a corresponding node and displays a corresponding failure cause; The failure chain is displayed in a differentiated manner, and the networking status in the failure network view is highlighted, so as to improve the failure network view through guidance.

5. The method according to claim 4, characterized in that Also includes: If the switch is made to the risk and optimization analysis, a degree analysis is performed on all the failure chains to determine the severity; wherein the execution condition of the risk and optimization analysis is after the failure analysis is completed; If it is monitored that the severity corresponding to any of the failure chains meets the preset severity, the risk and optimization measures, detection degree and frequency of the current failure chain are evaluated, and the risk and optimization measures represent the risk, failure cause and countermeasures of the failure chain; Verify the complete failure chain in the failure network, and calculate the product integral of the severity, detection and frequency corresponding to the complete failure chain; If the product integral is greater than the preset integral and no risk and optimization measures have been added, a risk and optimization analysis interface is displayed to guide the user to make improvements.

6. The method according to any one of claims 1 to 5, characterized in that: Also includes: If the analysis mode is the expert mode, the display interface is switched to the expert view, and in response to an input instruction, a plurality of the analysis items are displayed at once in the expert view, and each of the analysis items is analyzed in parallel until analysis results of all the analysis items are obtained.

7. The method according to any one of claims 1 to 5, characterized in that: Summarize the various analysis results and determine the DFMEA analysis file corresponding to the target object, including: Collecting and summarizing the structural analysis results, the functional analysis results, the failure analysis results, and the risk and optimization analysis results to determine a summary result; The summary results are sorted according to the preset priorities of the analysis results, and the sorted summary results are filled into a preset DFMEA template to be determined as the DFMEA analysis file corresponding to the target object.

8. The method according to any one of claims 1 to 5, characterized in that: After determining the DFMEA analysis file corresponding to the target object, it also includes: The structural analysis results, the functional analysis results, the failure analysis results and the risk and optimization analysis results are fuzzily quantized to determine a quantization matrix; Calculating a whitening value of each of the quantization matrices, and determining comprehensive information based on each of the whitening values; The reliability of the target object is determined by performing a weighted calculation based on the comprehensive information and the weight coefficients of various analysis results.

9. A guided step-by-step analysis system, characterized in that: include: An acquisition module is configured to acquire analysis items and analysis modes of a target object, wherein the analysis items sequentially include structure, function, failure, risk, and optimization; A guide analysis module, configured to, if the analysis mode is a focus mode, analyze each of the analysis items step by step according to the order of the analysis items, and generate a guide interface view matching the current analysis item to assist in the analysis; The analysis and determination module is configured to analyze the next analysis item in sequence if the current analysis item is completed, until the analysis results of all the analysis items are obtained, wherein the analysis results include structural analysis results, functional analysis results, failure analysis results, and risk and optimization analysis results; The file determination module is configured to summarize various analysis results, determine the DFMEA analysis file corresponding to the target object, and display it.

10. An electronic device, characterized in that: include: Processor and memory; The memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory, so that the electronic device executes the method according to claims 1 to 8.

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