Karganroudi, Sasan Sattarpanah, Aminzadeh, Ahmad, Moghaddam, Milad Rahimi et Tahan, Souheil Antoine.
2026.
« Operator-in-the-loop digital twin enabled augmented reality for assembly quality assurance ».
In CIRP CAT 2026 Conference - Computer Aided Tolerancing (Edmonton, AB, Canada, June 15-17, 2026)
Coll. « Procedia CIRP », vol. 145.
240–245.
Elsevier B.V..
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Résumé
Ensuring dimensional and geometric quality during manual and semi-automated assembly remains challenging in low-volume, high-complexity manufacturing systems. Operator variability, incomplete process standardization, and part-level geometric deviations frequently lead to tolerance non-conformities, rework, and installation delays. While digital twins offer strong potential for process monitoring and optimization, their integration with human operators during assembly execution remains limited. This paper proposes an operator-in-the-loop digital twin (OIL-DT) framework for tolerance-driven assembly quality assurance, in which augmented reality (AR) serves as a real-time interaction layer between digital and physical domains. The framework integrates CAD-based geometric models, assembly process plans, and tolerancing intent within a cyber–physical architecture, enabling spatially registered guidance and real-time alignment verification during assembly execution. Unlike instruction-centric AR systems, the proposed framework embeds executable tolerance constraints directly into assembly execution. A Design for Six Sigma (DMADV) logic is adopted to ensure traceable links between quality requirements, tolerancing specifications, and AR-based enforcement mechanisms. The framework is experimentally validated on the assembly of a hybrid renewable energy generation unit. Compared with conventional procedures, the AR-enabled approach reduced installation time and eliminated recurring tolerance-related interruptions previously causing extended delays. The results demonstrate that embedding tolerance enforcement and execution traceability within an OIL-DT can significantly improve assembly robustness and consistency without reducing operator autonomy.
| Type de document: | Compte rendu de conférence |
|---|---|
| Chercheur(-euse): | Chercheur(-euse) Tahan, Antoine |
| Affiliation: | Génie mécanique |
| Date de dépôt: | 02 oct. 2026 18:41 |
| Dernière modification: | 02 oct. 2026 23:23 |
| URI: | https://espace2.etsmtl.ca/id/eprint/34494 |
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