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562 results on '"Florian Michahelles"'

40. Development and Evaluation of a Motion-based VR Bicycle Simulator

Author

Philipp Wintersberger, Andrii Matviienko, Andreas Schweidler, and Florian Michahelles

Subjects
Human-Computer Interaction, Computer Networks and Communications, Social Sciences (miscellaneous)
Abstract

Bicycle simulators are becoming an increasingly used research tool. However, due to the complex cycling dynamics, these simulators have issues of simulator sickness and perceived realism. A potential method to address these issues could be providing a motion-based tilting function. Some bicycle simulators with tilt functionality have already been presented but still lack a systematic evaluation. In this work, we present a motion-based bicycle simulator without centrifugal force simulation and the results from a user study that compared different tilt modes. N=31 participants completed a study in virtual reality with a strong and a weak tilt mode, as well as a baseline condition without movement. We discovered that weak tilting could significantly improve the cycling realism without decreasing cycling performance and simulator sickness. Furthermore, our research suggests that there is a sweet spot for a tilting function, which facilitates a balance between presence/immersion and simulator sickness.

Published
2022

41. What Is Happening Behind The Wall?

Author

Khaled Kassem, Tobias Ungerböck, Philipp Wintersberger, and Florian Michahelles

Subjects
Human-Computer Interaction, Computer Networks and Communications, Social Sciences (miscellaneous)
Abstract

Research in human-robot collaboration explores aspects of using interaction modalities and their effect on human perception. Particular attention is paid to intent communication, which is essential for successful interaction and collaboration. This work investigates the effect of using audio, visual, and haptic feedback on intent communication in a human-robot collaboration task where the collaborators do not share a direct line of sight. A user study was conducted in virtual reality with 20 participants. Qualitative and quantitative feedback was collected from all participants. When compared with a baseline of no feedback given to the participants, results show that using visual feedback had a significant impact on task efficiency, user experience, and cognitive load. Audio feedback was slightly less impactful, while haptic feedback had a divisive effect. Multimodal feedback combining the three modalities showed the highest impact compared to the individual modalities, leading to the highest task efficiency and user experience, and the lowest cognitive load.

Published
2022

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