Closing The Productivity Gap In Electric Vehicle Manufacturing: Challenges And Solutions.

Authors: Md Rabbe Khan, Md Tahmidul Islam, Kazi Saiful Islam, Amjad Hossain

This systematic review examines challenges and solutions in electric vehicle (EV) manufacturing, analyzing 86 peer-reviewed articles (2015–2023) using PRISMA guidelines. Key findings include the benefits of technological advancements like AI, automation, and digital twin technologies in improving efficiency, though adoption is limited by costs and infrastructure issues. Workforce challenges, such as skill gaps and labor shortages, hinder progress, especially in emerging economies. Supply chain disruptions, driven by raw material dependency and geopolitical risks, persist despite the potential of predictive analytics. Sustainability practices, including circular economy strategies, show promise in reducing environmental impact but face scalability issues. Lean manufacturing effectively boosts productivity and reduces waste, but success relies on organizational commitment and workforce adaptability.

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A Systematic Literature Review On Building Resilient Supply Chains Through Circular Economy And Digital Twin Integration

Author: Md Tahmidul Islam

The integration of circular economy (CE) principles and digital twin (DT) technologies has emerged as a transformative approach to enhancing supply chain resilience in the face of dynamic global challenges. This study systematically reviews 120 peer-reviewed articles to examine the synergistic benefits of CE-DT integration, focusing on their combined impact on sustainability, operational efficiency, and risk mitigation. The review identifies significant advancements in reverse logistics, resource recovery, and supply chain transparency facilitated by DT's real-time monitoring and predictive analytics, aligned with CE's emphasis on waste reduction and lifecycle optimization. Industry-specific applications in healthcare, automotive, and electronics sectors are explored, highlighting CE-DT’s adaptability and effectiveness. However, critical gaps persist, including the lack of unified frameworks, limited empirical studies on long-term impacts, and challenges in cross-industry knowledge transfer. This systematic review synthesizes evidence to provide actionable insights, emphasizing the potential of CE-DT integration as a robust framework for achieving sustainable and resilient supply chains. The findings serve as a valuable resource for researchers, industry professionals, and policymakers seeking innovative solutions to modern supply chain challenges.

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Analyzing The Impact Of Combining Lean Six Sigma Methodologies With Sustainability Goals

Authors: Md Rabbe Khan, Md Tahmidul Islam, Kazi Saiful Islam, Amjad Hossain

This study integrates Lean Six Sigma (LSS) methodologies with sustainability frameworks to enhance process efficiency while achieving environmental and social objectives. Using a systematic review approach guided by PRISMA guidelines, 52 peer-reviewed articles were analyzed to provide comprehensive insights into the applications, challenges, and advancements of LSS in sustainability contexts. The findings reveal that LSS tools, such as value stream mapping and the DMAIC framework, are widely implemented across industries to reduce waste, optimize resource utilization, and improve operational outcomes. Advanced technologies, including IoT, AI, and data analytics, are increasingly integrated into LSS practices, enhancing their effectiveness in achieving sustainability goals through real-time monitoring and predictive capabilities. Sector-specific insights highlight the successful application of LSS in manufacturing, healthcare, and supply chain operations, with significant reductions in carbon footprints, material waste, and energy consumption. Furthermore, developing sustainability-focused key performance indicators (KPIs) such as carbon intensity and resource usage metrics is a critical advancement, enabling organizations to quantify and track their sustainability progress. This review underscores the evolving role of LSS as a comprehensive framework for operational excellence and sustainability, offering valuable recommendations for industry and academia to address contemporary environmental and operational challenges.

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