Transforming Manufacturing: A Systematic Literature Review of Industry 4.0 Technologies and Their Impact on Operational Efficiency
DOI:
https://doi.org/10.51137/wrp.ijarbm.486Keywords:
Industry 4.0, Smart Manufacturing, Cyber-Physical Systems, Internet of Things (IoT), Big Data AnalyticsAbstract
The Fourth Industrial Revolution (Industry 4.0) has introduced advanced manufacturing technologies that enhance flexibility, customisation and operational efficiency in production processes. Drawing on 72 peer-reviewed articles retrieved from the Scopus database and published between 2015 and 2024, the study focuses on open-access journal papers written in English. The review identifies major trends and persistent challenges in the adoption of these technologies, highlighting their contribution to improved production planning, the development of smart factories and the promotion of more sustainable manufacturing practices. The findings indicate that Industry 4.0 can significantly enhance manufacturing performance, support higher levels of customisation and improve resource efficiency. However, many organisations remain in the early stages of digital transformation. The study highlights the importance of automation and real-time data exchange in enabling intelligent manufacturing systems, while also noting barriers such as high implementation costs, data security concerns and the need for a skilled workforce. Overall, the review deepens understanding of the transformative effects of Industry 4.0 on manufacturing, outlining both its potential and its limitations. It concludes by recommending that future research address the skills gap, develop robust cybersecurity frameworks and explore the economic implications of Industry 4.0 technologies, particularly for small and medium-sized enterprises.
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