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World Haptics 2009 - Third Joint EuroHaptics conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems
Assessment of haptics-based interaction for assembly tasks in virtual reality
Salt Lake City, UT, USA
March 18-March 20
ISBN: 978-1-4244-3858-7
Dao M. Vo, Virtual Reality Applications Center, Iowa State University, Ames, USA
Judy M. Vance, Virtual Reality Applications Center, Iowa State University, Ames, USA
Mervyn G. Marasinghe, Statistical Laboratory, Iowa State University, Ames, USA
This paper investigates the benefits of haptics-based interaction for performing assembly-related tasks in a virtual environment. The research examines the context in which haptic feedback affects user performance and identifies assembly operations that are influenced. Forty participants completed three experiments relevant to virtual assembly: weight discrimination, part positioning, and manual assembly. Each experiment featured a series of trials generated from factorial combinations of performance variables. Subjects were assessed based on task completion time and different measures of accuracy. When compared to visual-only methods, quantitative results show that haptics-based interaction is beneficial in improving performance by reducing completion times for weight discrimination, permits higher placement accuracy when positioning virtual objects, and enables steadier hand motions along three-dimensional trajectories. The results also indicate that user accuracy in weight discrimination is dependent on hand dominance when manipulating the virtual object combined with the provided sensory information.
Citation:
Dao M. Vo, Judy M. Vance, Mervyn G. Marasinghe, "Assessment of haptics-based interaction for assembly tasks in virtual reality," whc, pp.494-499, World Haptics 2009 - Third Joint EuroHaptics conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems, 2009
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