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Roughness of Virtual Textures and Lateral Force Modulation

  • Gianni Campion
Part of the Springer Series on Touch and Haptic Systems book series (SSTHS)

Abstract

We describe experiments that compared the perceived relative roughness of textured virtual walls synthesized with an accurately controlled haptic interface. Texture was modeled as a spatially modulated sinusoidal friction grating. The results indicate that both the modulation depth of the grating (A), and the coefficient of friction (μ) are strongly associated with the perceived roughness when increasing eitherA orμ. Changing the spatial period of the grating (l), however, did not yield consistent relative roughness judgement results, indicating that there is a weaker association.

Keywords

Psychometric Function Spatial Period Relative Roughness Haptic Rendering Roughness Scale 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work was funded by a Collaborative Research and Development Grant “High Fidelity Surgical Simulation” fromnserc, the Natural Sciences and Engineering Council of Canada and by Immersion Corp., and by a Discovery Grant also fromnserc.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  1. 1.MontrealCanada

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