A body-in-white sensitivity analysis method and system

By automatically identifying and processing the center of gravity and mass information of body-in-white parts, the automatic screening and material thickness update of symmetrical and asymmetrical parts are achieved, solving the problem of low efficiency of manual operation in the existing technology and improving the accuracy and efficiency of sensitivity analysis.

CN122154338APending Publication Date: 2026-06-05CHERY AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHERY AUTOMOBILE CO LTD
Filing Date
2026-03-27
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

In existing technologies, the preprocessing stage of sensitivity analysis of body-in-white requires manual screening of symmetrical and asymmetrical parts, and the modification of part thickness is inefficient and inaccurate, resulting in low analysis efficiency and a high risk of errors.

Method used

By automatically identifying the center of gravity and mass information of parts, distinguishing between symmetrical and asymmetrical parts, and merging or processing them separately, component files are generated and material thickness information is updated, thus achieving automated sensitivity analysis.

Benefits of technology

It improves the efficiency and accuracy of sensitivity analysis of body-in-white, reduces manual operation, prevents human error, and significantly shortens processing time.

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Abstract

The application discloses a body-in-white sensitivity analysis method and system. The method comprises the following steps: acquiring part information required for body-in-white sensitivity analysis; determining the center of gravity position and mass information of each part according to the part information; determining symmetrical parts and asymmetrical parts according to the center of gravity position and mass information of each part; merging the symmetrical parts into one component, taking the asymmetrical parts as a separate component, saving the corresponding part information into the corresponding component, and generating a component file; updating the thickness in each component file into variable thickness information, and obtaining an attribute table template of each component; and determining the sensitivity value of each part according to the attribute table template of each component. The efficiency and accuracy of the body-in-white sensitivity analysis are improved.
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