This two-volume set constitutes the refereed proceedings of the 21st IFIP WG 5.1 International Conference on Product Lifecycle Management, PLM 2024, held in Bangkok, Thailand, during July 7-10, 2024.

The 64 full papers presented in this book were carefully reviewed and selected from 105 submissions.

.- Discussion of Current Issues in Cost Estimation Decisions for Aircraft Manufacturing.

.- A Computer Vision Approach to Build Manufacturing Simulation Models in the Digital Twin Context.

.- Anomaly Detection in Supply Chain Business Processes: A Deep Learning Approach.

.- Digital Engineering Ecosystem for the Enhancement of Traceability: Industrial Study.

.- A survey investigating skills, job profiles, and education in Circular Economy: a practice perspective.

.- Development of an Augmented Reality Book to Promote the Local Wisdom of Tai Lue Foods in Gastronomy Tourism.

.- Rail Infrastructure Management Optimization through Digital Twins: Focus on Data Reliability and Quality.

.- Survey on Knowledge-Based Engineering Approaches for Complex Product Design: A Focus on Crowd Intelligence.

.- Advancing Industrial Digital Twins: Towards An Open Platform Aligned with Standards.

.- Overview of Digital Thread from a Traceability perspective: From Engineering, Manufacturing to Operations.

.- Potential of the Industrial Metaverse – A Taxonomic Approach.

.- On the Integration of the SAPPhIRE Model in the Digital Twin Development Process: a Train Braking System Use Case.

.- Models for Manufacturing (MfM) Methodology Applied to the Automated Characterization of Aerospace Sheet Metal Parts Manufacturing Process.

.- The implementation of a PDM/PLM system: Case Study in an Industrial Process Cooling Company.

.- Wasp Detection System Using AI Technology to Support Honey Bee Farming.

.- Comparing different ChatGPT4.0 generated oriented word suggestions as design fixation interferences for the ideation phase in Design Thinking.

.- Lifecycle Approaches based BIM: Challenges and Opportunities.

.- Effect of internal & external financing on labor productivity – (2009-2014) panel data study of Ecuadorian companies.

.- Digital Transformation for Non-Communicable Disease Prevention and Control in Thailand by Using a Mixed Methods Approach.

.- From Strategy to Action: A Methodological Framework for Digital Transformation in Manufacturing SMEs.

.- PLM Traceability Approaches along the V-model – A Systematic Literature Review.

.- Data-Driven Digital Twin Model Construction and Stress State Monitoring of Grasping Robot.

.- MESLedger: Investigating Manufacturing Execution Improvements through the Integration of AI and Blockchain Technologies.

.- Navigating the Future: Integrating Safety Passports for Enhanced Product Implementation on Machinery - conceptualization and use case.

.- Towards a multi-criteria decision-making approach for R&D project prioritisation driven by innovation incentives and enterprise strategies.

.- Personalized Exercise Plans for the Elderly Using KNN based on FITT Principle.

.- Developing a Mixed Reality (MR) Technology System for Training Intelligent Logistics Personnel, a Learning Course on Vehicle Condition Inspection.

.- Designing of beef cattle recognition and detection sys-tem to improve Walk-over-Weighing system (WoW) for beef cattle in the Lancang-Mekong Region.