Abstract:In an automobile assembly line, many processes require control and human intervention. A human's dexterity and ability to react to unpredictable changes in production volume and product specifications are necessary for these processes. Thus, it remains difficult to rely on robots or other automated systems. Conversely, some tasks, such as moving to a tool rack and delivering parts, do not require human skill. In the bumper assembly process of automobile assembly, a worker must move to pick up the bumper twice … Show more
“…Several empirical reports have illustrated that humans and machines can indeed augment each other, thereby producing better results than either one could do alone (e.g., Bader and Kaiser, 2019;Grover et al, 2020;Kinugawa et al, 2016;Wang et al, 2016). In line with this "augmentation" philosophy, our findings more broadly emphasize that-rather than asking where humans fit in the loop of machines-it seems much more important for organizations to find out where machines fit into existing teams and departments.…”
“…Several empirical reports have illustrated that humans and machines can indeed augment each other, thereby producing better results than either one could do alone (e.g., Bader and Kaiser, 2019;Grover et al, 2020;Kinugawa et al, 2016;Wang et al, 2016). In line with this "augmentation" philosophy, our findings more broadly emphasize that-rather than asking where humans fit in the loop of machines-it seems much more important for organizations to find out where machines fit into existing teams and departments.…”
“…The productivity of a manufacturing system is related to several measures such as the throughput (that is the number of units produced per period), the ressources consumtion for a given output, the number of defective items produced, etc. Researchers confirm the hypothesis that power, velocity, predictability, repeatability, and precision of robots in combination with human intelligence, creativeness and skills increase the productivity of assembly lines (Michalos et al, 2014;Ore et al, 2015;Akella et al, 1999;Sadik & Urban, 2017b;Kinugawa et al, 2016). As cobots handle some tasks, adding a cobot to a fully manual line reduces the takt time, and thus increases the throughput.…”
A manufacturing system able to perform a high variety of tasks requires different types of resources. Fully automated systems using robots possess high speed, accuracy, tirelessness, and force, but they are expensive. On the other hand, human workers are intelligent, creative, flexible, and able to work with different tools in different situations. A combination of these resources forms a human-machine/robot (hybrid) system, where humans and robots perform a variety of tasks (manual, automated, and hybrid tasks) in a shared workspace. Contrarily to the existing surveys, this study is dedicated to operations management problems (focusing on the applications and features) for human and machine/robot collaborative systems in manufacturing. This research is divided into two types of interactions between human and automated components in manufacturing and assembly systems: dual resource constrained (DRC) and human-robot collaboration (HRC) optimization problems. Moreover, different characteristics of the workforce and machines/robots such as heterogeneity, homogeneity, and ergonomics are introduced. Finally, this paper identifies the optimization challenges and problems for hybrid systems. The existing literature on HRC focuses mainly on the robotic point of view and not on the operations management and optimization aspects. Therefore, the future research directions include the design of models and methods to optimize HRC systems in terms of ergonomics, safety, and throughput. In addition, studying flexibility and reconfigurability in hybrid systems is one of the main research avenues for future research.
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