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Adding Tangential Forces in Lateral Exploration of Stiffness Maps
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology. (Scientific Visualization Group)ORCID iD: 0000-0003-2429-0842
2011 (English)In: Haptic and Audio Interaction Design: 6th International Workshop, HAID 2011, Kusatsu, Japan, August 25-26, 2011. Proceedings / [ed] Eric W. Cooper, Victor V. Kryssanov, Hitoshi Ogawa, Stephen Brewster, Springer Berlin/Heidelberg, 2011, Vol. 6851, 1-10 p.Chapter in book (Refereed)
Abstract [en]

We believe that the lateral exploration of surfaces with varying stiffness, stiffness maps, using computer generated haptics is an underestimated and important procedure with impact in many application areas. Feeling the change of stiffness while sweeping the haptic probe over a surface can potentially give an understanding of the spatial distribution of this stiffness, however current algorithms lack tangential cues of stiffness changes. This introduces energy sources and sinks that potentially affects the stability of the system, apart from being physically incorrect and thus unrealistic. We discuss the forces and effects involved in the exploration of stiffness maps and propose an energy-based algorithm for tangential forces that augments the feedback from the map, in particular during lateral exploration. The algorithm is based on basic physical principles and has the potential to increase both realism and stability. A user study was conducted to analyze the effect of this algorithm on stiffness perception.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2011. Vol. 6851, 1-10 p.
Lecture Notes in Computer Science, ISSN 0302-9743 (print), 1611-3349 (online) ; 6851
Keyword [en]
Computer science, Information systems., Multimedia systems, Optical pattern recognition, User Interfaces and Human Computer Interaction, Media Design, Multimedia Information Systems, Multimedia Information Systems, Computers and Society, Pattern Recognition
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-70259DOI: 10.1007/978-3-642-22950-3_1ISBN: 978-3-642-22949-7ISBN: e-978-3-642-22950-3OAI: diva2:437421
Available from: 2011-08-29 Created: 2011-08-29 Last updated: 2014-12-19Bibliographically approved

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