Multifunktionale Systeme ohne Hinsehen benutzen: Intelligenter Drehcontroller für Autos

Radiosender, Klimaanlage, Navigationssystem: Durch die Digitalisierung steigt die Anzahl vernetzter Geräte mit vielfältigen Funktionen in Fahrzeugen. In der Regel werden diese über einen zentralen Touchscreen gesteuert. Davon kann allerdings eine starke Ablenkung ausgehen. Die TH Köln entwickelt daher mit der Brehmer GmbH und Co. KG und der Omni Elektronik GmbH einen intelligenten Drehcontroller.

„Die Benutzung von Touchscreens in Autos wird insbesondere durch äußere Einflüsse gestört. Eine tiefstehende Sonne zum Beispiel blendet die Nutzenden und erschwert damit die Handhabung. Bei einem Touchscreen muss ich zudem hinschauen, um zu erkennen, ob es meine Befehle erfasst hat – das lenkt vom Fahren ab“, erläutert Prof. Dr. Matthias Böhmer vom Cologne Institute for Digital Ecosystems der TH Köln.

Ziel von DREA ist deshalb die Entwicklung eines intelligenten Drehcontrollers, der für multifunktionale Systeme geeignet ist. Der Controller soll mit einer Griff- und Gestenerkennung sowie mit haptischem Feedback ausgestattet werden, damit eine große Anzahl von Funktionen mit einem einzigen Handgriff gesteuert werden kann. „Der Controller soll im Vergleich zu herkömmlichen Touchscreens intuitiver und weitestgehend ohne Hinsehen benutzt werden können“, so Böhmer. Gegenüber einer Sprachsteuerung könne ein Controller darüber hinaus schneller Befehle umsetzen und sei robust gegenüber Umgebungsgeräuschen.

Software soll Anzahl der Finger und Dreh-Gesten erkennen

Die Projektpartner Brehmer und Omni sind im Vorhaben für die Hardware zuständig. Damit die eingesetzte Mechatronik und Elektronik frei von Verschleiß bleiben, sollen die Sensoren zur Griff- und Gestenerkennung fest in einer unbeweglichen Basis am Armaturenbrett verbaut werden. Diese Basis wird von einer drehbaren Kunststoffhülle umschlossen. Wenn Nutzende die Hülle bewegen, sollen die Finger an den Sensoren vorbeigeführt und von diesen erfasst werden.

Der komplette Artikel erschien ursprünglich auf der Website der TH Köln.

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