Aviation product MBOM health degree evaluation method oriented to manufacturing process

A technology of manufacturing process and evaluation method, applied in manufacturing computing systems, data processing applications, instruments, etc., can solve the problems of inability to evaluate accuracy and timeliness, limited scope of verification, and single evaluation index, so as to avoid data errors and omissions. The effect of timely discovery, avoidance of repeated comparison work, and improvement of manufacturing quality

Pending Publication Date: 2022-06-07
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) Compared with the existing technology, it is found that the patent number: CN201410166902.2 proposes an aircraft manufacturing configuration control accuracy detection system and method. In the invention, a BOM data checking method based on a single sortie is proposed. The defect of this method lies in the process Personnel build all sorties of MBOM based on EBOM. If the BOM data check is based on a single sortie, the scope of check is limited, and abnormal data may not be found in time.
[0005] (2) The current monitoring of MBOM is only to check the conformity of MBOM and EBOM materials, the monitoring results can only reflect the integrity of MBOM, its accuracy and timeliness cannot be evaluated, and the evaluation index is too single to accurately reflect the existence of MBOM risk
[0006] (3) Use the same MBOM evaluation method to evaluate the batches in different manufacturing stages (including batches not put into production, batches with only materials put into production, batches entering the assembly stage, batches entering the final assembly stage, batches entering the flight test stage, and batches delivered to customers )'s aviation product MBOM, which cannot meet the project's engineering-oriented requirements for MBOM control

Method used

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  • Aviation product MBOM health degree evaluation method oriented to manufacturing process
  • Aviation product MBOM health degree evaluation method oriented to manufacturing process
  • Aviation product MBOM health degree evaluation method oriented to manufacturing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] like image 3 As shown, this embodiment involves a data acquisition module, an MBOM construction timeliness analysis module, an MBOM construction accuracy analysis module, an MBOM health evaluation module, and an evaluation result and disposition opinion output module in the MBOM health evaluation method for aviation products.

[0060] The data acquisition module collects EBOM data, MBOM data, and production sorties information at different manufacturing stages, and constructs a data set.

[0061] The MBOM construction timeliness analysis module compares the number of components, finished products, and standard parts of MBOM and EBOM for the entire flight, and identifies objects with differences in the comparison results. Object, validity, disposition opinion of MBOM, and calculation of overdue days. Count the number of overdue items according to the set period of overdue days, and calculate the timely rate of MBOM construction of aviation products in the test flight s...

Embodiment 2

[0075] like figure 1 As shown, the specific steps of this embodiment are as follows:

[0076] a. Collect EBOM data, MBOM material consumption data, and production flight information data at different manufacturing stages.

[0077] b. Denote the EBOM path corresponding to one of the obtained map numbers as M, and denote the EBOM validity corresponding to M as E E , if M cannot find the corresponding EBOM validity, E E Recorded as 0; if M can find the corresponding EBOM validity, E E is the specific validity interval, E E denoted as E M1 ,E M2 …E Mn , denote the MBOM validity corresponding to M as E M , if M cannot find the corresponding MBOM validity, E M Recorded as 0; if M can find the corresponding MBOM validity, E M is a specific validity interval. will E E The corresponding EBOM quantity is recorded as A E , will get E M The corresponding MBOM quantity is recorded as A M , and record the EBOM release date data corresponding to M as T;

[0078] c. Traverse th...

Embodiment 3

[0089] A manufacturing process-oriented MBOM health evaluation method for aviation products, comprising the following steps:

[0090] Step 1: Collect EBOM data, MBOM data of aviation products and production sorties information at different manufacturing stages;

[0091] Step 2: Construct a dataset according to the collected data;

[0092] The obtained EBOM and the EBOM path data corresponding to all the MBOM map numbers are formed into a set, which is denoted as M, and M is expressed as: M={M 1 ,M 2 ,M 3 ,…M n }, will get M 1 The corresponding EBOM validity data forms a set, denoted as E 1E , E 1E Represented as: E 1E ={E 1E }, if M cannot find the corresponding EBOM validity, E 1E Recorded as 0, if M can find the corresponding EBOM validity, E 1E is a specific validity interval. will get M 1 The corresponding MBOM validity data forms a set, denoted as E 1M , E 1M Represented as: E 1M ={E 1M1 ,E 1M2 …E 1Mn }, if M 1 The corresponding MBOM validity cannot be ...

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Abstract

The invention relates to the field of aircraft manufacturing, in particular to a manufacturing process-oriented aviation product MBOM health degree evaluation method, which comprises the following steps of: acquiring EBOM data, MBOM data and production sortie information of different manufacturing stages of an aviation product; constructing a data set according to the collected data; importing the collected data into a health degree evaluation model, and analyzing an object, a difference type, a difference sortie and a difference generation day number between the EBOM and the MBOM through construction and timeliness ratio analysis; and performing construction accuracy analysis to analyze an MBOM construction abnormal object, an abnormal reason and an item number, calculating MBOM index weights in different manufacturing stages according to a criterion layer and an index layer of MBOM health degree evaluation, and analyzing the MBOM health degree according to the model. According to the method, the data exception, the exception type and the disposal mode of a certain sortie can be identified, a large amount of repeated comparison work is avoided, the verification time is saved, and the manufacturing quality of aviation products is improved.

Description

technical field [0001] The invention relates to the field of aircraft manufacturing, in particular to a manufacturing process-oriented MBOM health degree evaluation method for aviation products. Background technique [0002] Aviation manufacturing enterprises usually use MBOM to express the manufacturing process flow of aviation products and the delivery order of supporting materials, and use this as an important basis for business activities such as enterprise process design, production planning and scheduling, material procurement, financial settlement, and technical status control. Due to the rich categories of aviation products developed by aviation manufacturing enterprises, frequent design changes, changeable states, and iterative optimization of process technology levels, process designers continue to reconstruct and maintain MBOM for a long time. MBOM data is large, changes frequently, and has complex relationships. There are fluctuations in the accuracy and timeline...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/04
CPCG06Q10/06393G06Q10/06395G06Q50/04Y02P90/30
Inventor 隋少春郭喜锋罗芸邱世广张泽松
Owner CHENGDU AIRCRAFT INDUSTRY GROUP
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