Grooving Factory - Bottleneck Control in Production Logistics through Auditory Display
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Grooving Factory is the name of an interdisciplinary research project in the fields of production logistics engineering and auditory display. It aims to reveal bottlenecks in industrial productions and to improve the achievement of logistic targets by using sonification in production planning and control (PPC). Since data sets derived from production processes are time related, processes in production can be displayed as oscillating complex sounds, e.g. via additive synthesis. In this study, the feedback data of operations at 33 workstations of a circuit board manufactory served as a model for auditory display. The workload of the workstations was compared to their actual performance, which indicated their work in process (WIP) level, i.e. the balance of their input and output. The results of the auditory display were compared to WIP related bottlenecks identified by the bottleneck oriented logistic analysis including logistic operating curves. The research project includes the development of a new PPC method realized as a prototype in a software tool.