Optimising furniture production with advanced scheduling

In the dynamic world of interior building, companies like Van Keulen Interieurbouw face significant challenges when it comes to the simultaneous processing of metal and wood to create custom furniture. The complexity of managing these diverse materials side by side in production leads to inefficiencies, particularly in scheduling, which is further complicated by the high-mix, low-volume nature of the industry and the frequent need for custom orders. Traditional scheduling methods often fall short, struggling to account for the varying materials, workstation capabilities, and process times, resulting in suboptimal resource allocation and increased lead times. Additionally, the need to integrate efficient nesting, cutting plans, and quality control adds another layer of difficulty to the manufacturing process. These industry-specific challenges highlight the pressing need for an advanced scheduling system that can optimise production in this complex environment.

SCOPE, a project with a consortium that consists of FIP-AM@UT, Van Keulen Interieurbouw, and Dynfos Business Solutions, aims to tackle these pressing challenges by developing a prototype for an advanced scheduling system. This system will leverage feature-to-process-to-time information to enhance the efficiency of furniture production. The project focuses on creating a solid foundation for scheduling that accommodates the complexities of working with both metal and wood, which are processed simultaneously. By thoroughly analysing the current feature-to-process-to-time systems and exploring suitable scheduling methodologies, SCOPE will identify key areas for improvement. The project also aims to assess the feasibility of using data analysis to estimate production times based on the Bill of Process (BOP) and Bill of Materials (BOM).

Through these efforts, SCOPE will develop a conceptual framework that integrates detailed production planning with a focus on reducing lead times and optimising internal material flows. The project will address specific challenges such as efficient nesting, cutting plans, and quality control integration. Preliminary evaluations and investigations will also explore the potential of machine learning techniques for future production time predictions, setting the stage for a more intelligent and adaptable scheduling system.

Industry partners

APPROACH

The project employed a multi-faceted approach combining process analysis, machine learning, and scheduling methodology development. First, the consortium conducted an in-depth analysis of Van Keulen’s manufacturing processes, focusing on their time calculation tools, process interdependencies, and internal logistics workflows. This established a solid understanding of the furniture production challenges specific to configure-to-order environments.

The team then developed advanced Graph Attention Network (GAT) models, capable of analysing complex furniture component geometries. A feature-to-process-to-time framework was established by integrating bill of process (BOP) and bill of materials (BOM) information with the predictive models. This created a foundation for a scheduling system tailored to furniture production’s unique challenges, including material flow optimization and assembly queue management. The prototype was validated using real production data and refined based on stakeholder feedback, ensuring its practical applicability to high-mix, low-volume production environments.

OUTCOME

The collaborative efforts from the SCOPE project resulted in valuable insights for the development of an advanced scheduling prototype system.The project achieved the following results through four main work packages:

• Scheduling methodology for base framework integrating feature-to-process-to-time in suitable structures for furniture production
• Conceptual scheduling system design that demonstrates the potential of production data integration for efficient production planning
• Insight into AI model structures and production data management for production time estimation
• Development and performance evaluation of scheduling system based on real production data from the industry

The current conceptual framework provides the opportunity to explore and analyse the relation between component geometry and production times to inform Van Keulen Interieurbouw’s production planning. Developing and experimenting with machine learning frameworks offers Dynfos Business Solutions insight into the benefits of harnessing production data for decision-making.

This project was made possible through the Regio Deal supported by the Province of Overijssel and the Dutch State.

FOR MORE INFORMATION ABOUT SCOPE, PLEASE FEEL FREE TO REACH OUT TO

Can Ölmezoğlu

Can Ölmezoğlu

Engineering Support, Software Development

Estefanía Morás Jiménez

Research Engineer

Engin Topan

Associate Professor Smart Manufacturing and Supply Chain Planning, BMS Faculty

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