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Numerical data driven operation support for manufacturing of automotive body components
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.ORCID iD: 0000-0001-9889-6746
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.ORCID iD: 0000-0002-3876-5602
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. AutoForm Engineering AB Sweden.ORCID iD: 0000-0002-7730-506x
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. Volvo Cars.ORCID iD: 0000-0002-6526-976x
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2025 (English)In: Journal of Intelligent Manufacturing, ISSN 0956-5515, E-ISSN 1572-8145Article in journal (Refereed) Epub ahead of print
Abstract [en]

With the increased focus on smart manufacturing and Industry 4.0, the use of simulations for the creation of cyber-physical manufacturing systems is increasing. The sheet metal forming manufacturing process, commonly used for production of automotive body components, is one of the processes that currently benefits from the use of simulations without exploiting them in a cyber-physical system setup. This study set out to initially identify the key controllable and uncontrollable parameters of the sheet metal forming manufacturing process for the design of an intelligent quality controller. Subsequently, the study investigates the possibility of using data points from a stochastic numerical analysis as training data for an Artificial Neural Network. The stochastic numerical model used is based on the existing Finite Element simulation standard at Volvo Cars to allow for a seamless integration of the methodology into the standard workflow of CAE departments. Lastly, the study will present a validation of the trained Artificial Neural Network using the Volvo XC90 inner front door component as an industrial demonstrator.

Place, publisher, year, edition, pages
Springer, 2025.
Keywords [en]
Artificial neural network, Deep drawing, Process control, Virtual shadow, Industry 4.0
National Category
Vehicle and Aerospace Engineering Applied Mechanics Artificial Intelligence
Research subject
Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-28437DOI: 10.1007/s10845-025-02664-8ISI: 001541730800001Scopus ID: 2-s2.0-105012309554OAI: oai:DiVA.org:bth-28437DiVA, id: diva2:1986799
Projects
Eureka SMART I-Stamp
Funder
Blekinge Institute of TechnologyVinnova, 2021-03144Available from: 2025-08-04 Created: 2025-08-04 Last updated: 2025-10-15Bibliographically approved
In thesis
1. Towards Sustainable and Intelligent Manufacturing Processes: Data-Driven Insights from Automotive Manufacturing
Open this publication in new window or tab >>Towards Sustainable and Intelligent Manufacturing Processes: Data-Driven Insights from Automotive Manufacturing
2025 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Global manufacturing is entering an era of unprecedented variability in material properties, driven by sustainability goals and market volatility. The adoption of recycled steels introduces supplier-specific differences, while cost-reduction strategies and geopolitical disruptions (tariffs, trade barriers, and resource shortages) further amplify process scatter. These dynamics challenge conventional quality control in automotive sheet metal forming and demand intelligent, adaptable production systems.

This dissertation addresses how data-driven methods can strengthen process robustness without major infrastructure changes. Three guiding hypotheses are explored: (H1) machine learning can provide insights into the impact of input variations; (H2) synthetic data can supplement or replace operational data for model development; and (H3) existing sensor signals can be reinterpreted to reduce reliance on additional instrumentation.

A hybrid methodology combining finite element simulations, stochastic modeling, and industrial press shop data was developed. Key contributions include: (1) generation of synthetic datasets for predictive modeling of draw-in and cushion force; (2) application of unsupervised learning for early detection of anomalous material batches; and (3) a novel process monitoring metric, process work, derived from existing sensors to monitor process health.

The findings provide a framework for integrating intelligent data-driven tools into legacy systems, supporting the transition toward resilient and sustainable manufacturing practices.

Place, publisher, year, edition, pages
Karlskrona: Blekinge Tekniska Högskola, 2025. p. 175
Series
Blekinge Institute of Technology Doctoral Dissertation Series, ISSN 1653-2090 ; 2025:16
Keywords
Data-Driven Manufacturing, Machine Learning in Manufacturing, Process Monitoring and Control, Sheet Metal Forming
National Category
Mechanical Engineering
Identifiers
urn:nbn:se:bth-28765 (URN)978-91-7295-517-2 (ISBN)
Public defence
2025-12-16, C413A, BTH, Karlskrona, 09:15 (English)
Opponent
Supervisors
Available from: 2025-11-03 Created: 2025-10-15 Last updated: 2025-12-10Bibliographically approved

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Barlo, AlexanderAeddula, OmsriSigvant, MatsPilthammar, JohanIslam, Md. ShafiqulLarsson, Tobias

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Journal of Intelligent Manufacturing
Vehicle and Aerospace EngineeringApplied MechanicsArtificial Intelligence

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