By Michaël Wiertlewski
Texture money owed for an incredible a part of the realism of simulated reviews, and it's more than likely real in the course of tactile interplay. We often event roughness through operating our arms onto the explored floor. The belief of this high-quality texture is mediated via the vibrations generated via the encounters of the outside and the asperities of the surfaces.
Reproduction of Tactual Textures provides elements that give a contribution to the mechanics of the interplay among a naked finger and a floor on the way to their man made copy. It discusses the recording and replica of tactual textures, and analyses a case learn of the improvement of a tool capable of list the vibratory sign from a fingertip sliding over a textured floor. an analogous equipment is then utilized in a opposite method to render these formerly measured signs to the user’s fingertip. those advancements open new questions about the biomechanical homes of the surface and their relation to notion. the second one 1/2 Reproduction of Tactual Textures specializes in the implication of the dynamic parameters of the surface onto rendering functionality, and it concludes with a examine at the very important gains which are found in the vibratory sign and their relation to texture perception.
This cutting-edge quantity highlights the significance of the mechanics and biomechanics through the haptic exploration of surfaces and their attainable contribution to conception. jointly, the findings suggested are pertinent to many purposes, together with robot notion and the layout of powerful digital fact systems.
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Extra resources for Reproduction of Tactual Textures: Transducers, Mechanics and Signal Encoding
Maeno T, Otokawa K, Konyo M (2006) Tactile display of surface texture by use of amplitude modulation of ultrasonic vibration. In: Proceedings of the IEEE ultrasonics symposium, pp 62–65 96. Mahns DA, Perkins NM, Sahai V, Robinson L, Rowe MJ (2005) Vibrotactile frequency discrimination in human hairy skin. J Neurophysiol 95(3):1442–1450 97. Makinen V, Linjama J, Gulzar Z (2010) Tactile stimulation apparatus having a composite section comprising a semiconducting material. Google patents. US patent App.
Israr A, Choi S, Tan HZ (2006) Detection threshold and mechanical impedance of the hand in a pen-hold posture. In: 2006 IEEE/RSJ international conference on intelligent robots and systems, IEEE, New York, pp 472–477 38 2 Literature Review 60. Israr A, Choi S, Tan HZ (2007) Mechanical impedance of the hand holding a spherical tool at threshold and suprathreshold stimulation levels. In: World haptics 2007, IEEE, New York, pp 56–60 61. Jindrich DL, Zhou Y, Becker T, Dennerlein JT (2003) Non-linear viscoelastic models predict fingertip pulp force-displacement characteristics during voluntary tapping.
When the tangential force reaches a critical value the bonds break and objects start sliding relative to one another. A force opposite to the motion is still present, but often decreased compared to the one needed to break adherence. The friction force Ft is proportional to the real area of contact Ar . 3) with τ the interfacial adhesive stress, which can depend on various parameters like the presence of a fluid between the contacting bodies or chemical properties of both materials . The roughness of both surfaces is also a key factor in the resulting frictional force because it reduces the surface of the real contact area.
Reproduction of Tactual Textures: Transducers, Mechanics and Signal Encoding by Michaël Wiertlewski