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Defining a feature-level digital twin process model by extracting machining features from MBD models for intelligent process planning

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Abstract

The booming development of emerging technologies and their integration in process planning provide new opportunities for solving the problems in traditional trial-and-error process planning. Combining digital twin with 3D computer vision, this paper defines a novel feature-level digital twin process model (FL-DTPM) by extracting machining features from model-based definition models. Firstly, a multi-dimensional FL-DTPM framework is defined by fusing on-site data, quality information, and process knowledge, where the synergistic mechanism of its virtual and physical processes is revealed. Then, 3D computer vision-enabled machining features extraction method is embedded into the FL-DTPM framework to support the reuse of process knowledge, which involves the procedures of data pre-processing, semantic segmentation, and instance segmentation. Finally, the effectiveness of the proposed features extraction method is verified and the application of FL-DTPM in machining process is presented. Oriented to the impeller process planning, a prototype of FL-DTPM is constructed to explore the potential application scenarios of the proposed method in intelligent process planning, which could provide insights into the industrial implementation of FL-DTPM for aerospace manufacturing enterprises.

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The data that support the findings of this paper are available on reasonable request to the corresponding author.

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Acknowledgements

This work was supported by the [National Key Research and Development Program of China] under Grant [No. 2021YFB3301400], and [National Natural Science Foundation of China] under Grant [No. 52105530], and [China National Postdoctoral Program for Innovative Talents] under Grant [No. BX2021244], and [China Postdoctoral Science Foundation] under Grant [No. 2021M692556]. Key Research and Development Project of Shaanxi Province under Grant [No. 2023-ZDLNY-71].

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Contributions

Jingjing Li: conceptualization, methodology, software, investigation, writing—original draft. Guanghui Zhou: resources, writing—review & editing, supervision. Chao Zhang: resources, writing—review & editing, supervision. Junsheng Hu: validation, formal analysis, software, data curation. Fengtian Chang: writing—review & editing. Andrea Matta: review& editing.

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Correspondence to Chao Zhang.

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Li, J., Zhou, G., Zhang, C. et al. Defining a feature-level digital twin process model by extracting machining features from MBD models for intelligent process planning. J Intell Manuf (2024). https://doi.org/10.1007/s10845-024-02406-2

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  • DOI: https://doi.org/10.1007/s10845-024-02406-2

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