Shelves that label themselves, cooperation in virtual spaces, and high-performance computers that make autonomous decisions: In the Supply Chain department at Audi, this is no longer a future vision – as is demonstrated by selected examples at different production sites.
The company tested digital shelf labeling at the Audi plant in Győr, Hungary, for the first time last year. This new technology is equipped with what are known as e-ink displays, which are also used in e-book readers, and offers significant added value. When names, numbers, or the arrangement of the parts in the shelf change, the logistics specialists no longer need to update the labeling by hand. Information can also be displayed at short notice quickly, for example if a part is out of stock and is to be replaced with a different part. Another advantage is that the digital displays always stay clean, do not generate any waste paper, and consume only very little electric energy, even in continuous operation. The German/Hungarian project team is currently enhancing the technology. One of the goals is to implement fully automatic updates. Series production in the near future is conceivable, including at other Audi sites. With digital shelf labeling, Audi is taking another step toward paperless order picking. When gathering parts, Audi employees already usually work with tablets and hand-held scanners today.
Digital helpers like these are just one example of the use of smart technology in the automotive manufacturer’s Logistics division. “We are making targeted use of the advantages of digitalization at our production sites worldwide” says Dieter Braun, Head of Supply Chain. The driverless transport systems that have been in use at the Audi plants for many years are another example. They transport parts to the workstations automatically, for example in the electric motor production in Győr, where there is no assembly line. They use laser scanners to orient themselves in the production hall and find the optimum route. This highly flexible procedure is made possible by algorithms and machine learning, controlled by a smart IT system in the control station. This enables IT to keep track of all systems, all driverless transport vehicles, and the product, even without a fixed assembly line sequence.
At Pre-Series Logistics in Ingolstadt, Audi is currently the first automotive manufacturer to try out a new driverless transport system, which follows people around. The “Effibot” uses laser sensors to detect the employee’s legs and follows them automatically at low speed. All it takes is a touch of a button – the system requires neither complicated adjustments nor a special infrastructure. It also offers an autonomous driving function that allows the “Effibot” to head for previously defined destinations independently. The employees welcome the pilot project: They have an assistant that helps them with their work and they no longer need to push order picking trolleys by hand.
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