Characterization of Tactile Perception and Optimal Exploration Movement

The tactile sense is one of the most important senses humans process. In this study, the characterization of tactile perception and optimal exploration movement of skin were studied using an artificial finger, which is essential to the recognition of texture surfaces, the assessment of cosmetics and fabrics, and the development of intelligent robots. The vibration and friction signals during tactile perception were measured using the artificial finger and a tribometer. Eight characteristic features were extracted from the vibration and friction signals. A statistical analysis method associated with human subjective evaluation was used to compare the performance of the features in the characterization of the tactile perception. The results show that in the simulation of exploration movement using the artificial finger, the influence of exploration velocity on the tactile perception is greater than that of normal load. The sensitivity of tactile sensation is influenced by the exploration velocity. The optimal exploration velocity and normal load are approximately 10 mm/s and 1.5 N, respectively. A number of optimal features were selected. Spectral centroid, vertical deviations-1, and coefficient of friction were consistent with human tactile sensing and could characterize the perceived fineness, roughness, and slipperiness sensitively and accurately. The related mechanism was discussed.

[1]  S. Derler,et al.  Tribology of Skin: Review and Analysis of Experimental Results for the Friction Coefficient of Human Skin , 2011, Tribology Letters.

[3]  S. Bolanowski,et al.  Four channels mediate the mechanical aspects of touch. , 1988, The Journal of the Acoustical Society of America.

[4]  Bharat Bhushan,et al.  Adhesion, friction and wear characterization of skin and skin cream using atomic force microscope. , 2010, Colloids and surfaces. B, Biointerfaces.

[5]  P. Thiel,et al.  Atomic scale friction and adhesion properties of quasicrystal surfaces , 2008 .

[6]  Yoshihito Osada,et al.  Elastic-hydrodynamic transition of gel friction. , 2005, Langmuir : the ACS journal of surfaces and colloids.

[7]  Robert J. Webster,et al.  A novel two-dimensional tactile slip display: design, kinematics and perceptual experiments , 2005, TAP.

[8]  Y. Ikei,et al.  Texture presentation by vibratory tactile display-image based presentation of a tactile texture , 1997, Proceedings of IEEE 1997 Annual International Symposium on Virtual Reality.

[9]  Haruhisa Kawasaki,et al.  Dexterous anthropomorphic robot hand with distributed tactile sensor: Gifu hand II , 2002 .

[10]  Wojciech Wieleba,et al.  The statistical correlation of the coefficient of friction and wear rate of PTFE composites with steel counterface roughness and hardness , 2002 .

[11]  Tijani Gharbi,et al.  Influence of the hydrophobic and hydrophilic characteristics of sliding and slider surfaces on friction coefficient: in vivo human skin friction comparison , 2004, Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging.

[12]  K. A. Grosch,et al.  The relation between the friction and visco-elastic properties of rubber , 1963, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences.

[13]  G.E. Loeb,et al.  A robust micro-vibration sensor for biomimetic fingertips , 2008, 2008 2nd IEEE RAS & EMBS International Conference on Biomedical Robotics and Biomechatronics.

[14]  B. Bhushan.  Introduction to Tribology: Bhushan/Introduction , 2013 .

[15]  G. Debrégeas,et al.  Effect of fingerprints orientation on skin vibrations during tactile exploration of textured surfaces , 2009, Communicative & integrative biology.

[16]  Gerald E. Loeb,et al.  Bayesian Exploration for Intelligent Identification of Textures , 2012, Front. Neurorobot..

[17]  P Vink,et al.  Association between objective and subjective measurements of comfort and discomfort in hand tools. , 2007, Applied ergonomics.

[18]  Heather Culbertson,et al.  Modeling and Rendering Realistic Textures from Unconstrained Tool-Surface Interactions , 2014, IEEE Transactions on Haptics.

[19]  Brian J. Briscoe,et al.  Friction and lubrication of human skin , 2007 .

[20]  Eric Chatelet,et al.  Tactile perception by friction induced vibrations , 2011 .

[21]  Francesco Giovacchini,et al.  Artificial Roughness Encoding with a Bio-inspired MEMS- based Tactile Sensor Array , 2009, Sensors.

[22]  David Tabor,et al.  Relation between friction and adhesion , 1950, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences.

[23]  Igor Farkas,et al.  Grounding the Meanings in Sensorimotor Behavior using Reinforcement Learning , 2012, Front. Neurorobot..

[24]  David Tabor,et al.  The friction and visco-elastic properties of polymeric solids , 1966 .

[25]  B. Bhushan,et al.  Introduction to Tribology , 2002 .

[26]  Hisae Yoshizawa,et al.  Fundamental mechanisms of interfacial friction. 1. Relation between adhesion and friction , 1993 .

[27]  Ning Li,et al.  The Influence of Normal Load and Sliding Speed on Frictional Properties of Skin , 2008 .

[28]  D. Katz.  The World of Touch , 1989 .

[29]  E. H. Gans,et al.  Skin friction coefficient: changes induced by skin hydration and emollient application and correlation with perceived skin feel , 1981 .

[30]  Sungchul Kang,et al.  Development of Anthropomorphic Robot Hand with Tactile Sensor : SKKU Hand II , 2006, 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems.

[31]  M. Hollins,et al.  Evidence for the duplex theory of tactile texture perception , 2000, Perception & psychophysics.

[32]  Ken Nakano,et al.  Relationship Between Tactile Sensation and Friction Signals in Cosmetic Foundation , 2009 .

[33]  Nawid Jamali,et al.  Majority Voting: Material Classification by Tactile Sensing Using Surface Texture , 2011, IEEE Transactions on Robotics.

[34]  M. Hollins,et al.  Vibrotaction and texture perception , 2002, Behavioural Brain Research.

[35]  G. Debrégeas,et al.  The Role of Fingerprints in the Coding of Tactile Information Probed with a Biomimetic Sensor , 2009, Science.

[36]  Ken Nakano,et al.  A neural network approach to predict tactile comfort of applying cosmetic foundation , 2010 .

[37]  Tomonori Yamamoto,et al.  Use of tactile feedback to control exploratory movements to characterize object compliance , 2012, Front. Neurorobot..

[38]  N. Huang,et al.  The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis , 1998, Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences.

[39]  Jean-Pierre Celis,et al.  Friction mechanisms at the micro-scale , 2009 .

[40]  Heather Culbertson,et al.  Generating haptic texture models from unconstrained tool-surface interactions , 2013, 2013 World Haptics Conference (WHC).

[41]  S Derler,et al.  Skin–textile friction and skin elasticity in young and aged persons , 2009, Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging.

[42]  S. J. Calabrese,et al.  Some parameters affecting tactile friction , 1991 .

[43]  Jivko Sinapov,et al.  The Boosting Effect of Exploratory Behaviors , 2010, AAAI.

[44]  S. E. Tomlinson,et al.  Understanding the Friction Mechanisms Between the Human Finger and Flat Contacting Surfaces in Moist Conditions , 2011 .

[45]  D. Tabor,et al.  Shear Properties of Thin Polymeric Films , 1978 .

[46]  Takashi Maeno,et al.  A Multi-Purpose Tactile Sensor Inspired by Human Finger for Texture and Tissue Stiffness Detection , 2006, 2006 IEEE International Conference on Robotics and Biomimetics.

[47]  A. Wohlert,et al.  Tactile perception of spatial stimuli on the lip surface by young and older adults. , 1996, Journal of speech and hearing research.

[48]  Bharat Bhushan,et al.  Principles and Applications to Tribology: Bhushan/Introduction , 2013 .

[49]  Catherine Dacremont,et al.  Tactile Feeling: Sensory Analysis Applied to Textile Goods , 2004 .

[50]  Hongguang Li,et al.  Application of EMD method to friction signal processing , 2008 .

[51]  B. Bhushan.  Principles and Applications of Tribology , 1999 .

[52]  Christian Cipriani,et al.  Roughness Encoding for Discrimination of Surfaces in Artificial Active-Touch , 2011, IEEE Transactions on Robotics.

[53]  B. Vodungbo,et al.  希釈磁性酸化物の構造的磁気的分光法的な研究:CoドーピングされたCeO2-δ , 2008 .

[54]  David Tabor,et al.  The effect of surface roughness on the adhesion of elastic solids , 1975, Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences.

[55]  J. Greenwood,et al.  Contact of nominally flat surfaces , 1966, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences.

[56]  Jung-Chi Liao.  Experimental investigation of frictional properties of the human fingerpad , 1998 .

[57]  Christine Servière,et al.  Tactile texture recognition with a 3-axial force MEMS integrated artificial finger , 2009, Robotics: Science and Systems.

[58]  Michael J. Adams,et al.  Friction of the Human Finger Pad: Influence of Moisture, Occlusion and Velocity , 2011 .