The Industrial robotics sector is experiencing rapid growth driven by the escalating need for automation across various industries. This review systematically analyses the prevailing trends, challenges, and future directions of robotic technologies within the manufacturing sector. This review article delves into the prevailing trends, inherent challenges, and future directions of robotic technologies in the manufacturing sector. The study employed a comprehensive literature review and case analysis, focusing on key robotic methodologies such as collaborative robots (cobots), digital twin (DT) technology, and machine vision systems integrated with artificial intelligence (AI) for enhanced performance optimisation. Through the methodological approach of synthesising case studies and empirical findings from leading enterprises such as Amazon and DHL, this review leverages logistics robots, including autonomous pick-and-place systems, to enhance operational efficiency in their warehouse. Additionally, the integration of machine vision systems powered by convolutional neural networks (CNN) enables precise object recognition and positioning, fostering a collaborative human-robot interaction framework. Key findings indicate that cobots are increasingly pivotal in augmenting industrial efficiency while maintaining safety in human-robot collaboration. Furthermore, Digital Twin technology has proven instrumental in simulating real-time manufacturing environments, optimising assembly line performance and predictive maintenance strategies. However, several challenges persist, including the difficulty of programming robots to handle complex objects and the complexities of balancing human and robot activities in synchronised tasks. Despite the advantages of these robotic systems, significant challenges remain. A significant hurdle lies in programming robots to accurately identify and manipulate complex objects, often necessitating iterative trial-and-error methods. Besides that, balancing the assembly line and effectively scheduling the robotics and human activities is important. Additionally, industrial robots face technological limitations, including the complexity of multitasking, alongside social and ethical concerns. The review concludes that while industrial robots have revolutionised many aspects of manufacturing, ongoing research is required to overcome technological limitations, such as multitasking capabilities and ethical concerns related to human labour displacement. Anticipated advancements in robotics and AI are expected to enhance manufacturing efficiency further and expand robotic applications beyond traditional industrial settings in the coming years.
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