Abstract：On the based of analysis of the tensile, bendability and pressure sensitive characteristics of carbon fiber/silicone rubber, a new flexible pressure tactile sensor for some robot movement parts such as joint is designed. Using decoupled arithmetic to solve the interference problem caused by the sensor stretched or bent, a mathematical model to calculating the contact pressure is constructed. The experimental results demonstrate that the flexible pressure tactile sensor is stretchable and bendable, and eliminates the stretching and bending interference on contact pressure detection, so it can be used in robot joint.
［1］Takei K,Takahashi T, Ho J C, et al. Nanowire active-matrix circuitry for low-voltage macroscale artificial skin ［J］. Nature materials,2010,9:821-826.
［2］Yoon S I, Kim Y J. A flexible tactile sensor based on a thermoelectric device for simultaneous detection of contact heat and contact force ［J］. Journal of micromechanics and microengineering,2010,20(10):105017.
［3］Hu Y, Katragadda R B, Tu H, et al. Bioinspired 3-D tactile sensor for minimally invasive surgery ［J］. Journal of microelectromechanical systems,2010,19(6):1400-1407.
［4］Yang Y J, Cheng M Y, Chang W Y, et al. An integrated flexible temperature and tactile sensing array using PI-copper films ［J］. Sensors and Actuators A:Physical,2008,143(1):143-153.
［5］Zhang Y F, Liu Y W, Jin M H, et al. Design of a finger-tip flexible tactile sensor for an anthropomorphic robot hand ［J］. Computer science,2010,6424:762-773.
［6］Shin W P, Tsao L C, Lee C W, et al. Flexible temperature sensor array based on a graphite-polydimethylsiloxane composite ［J］. Sensors,2010,10:3597-3610.
［7］Arena A, Donato N, Saitta G. Capacitive humidity sensors based on MWCNTs/polyelectrolyte interfaces deposited on flexible substrates ［J］. Microelectronics Journal,2009,40:887-890.
［8］Mclachlan D S, Blasziewicz M, Newnham R E. Electrical resistivity of composites ［J］. Journal of American Ceramic Society,1990,73(8):217-2203.
［9］王鹏,丁天怀,徐峰,等. 炭黑填充型导电复合材料的压阻计算模型及实验验证 ［J］. 复合材料,2004,21(6):34-38.
［10］黄英,张玉刚,仇怀利,等. 柔性触觉传感器用导电橡胶的纳米技术SiO2改性技术［J］. 仪器仪表学报,2009,30(5):949-953.
［11］Huang Y, Ming X H, Xiang B, et al. Two types of flexible tactile sensor arrays of robot for three-dimension force based on piezoresistive effects［C］//IEEE International Conference on Robotics and Biomimetics,Guilin,China,2009,1032-1037.
［12］Perri M T, Trejos A L, Naish M D, et al. Initial Evaluation of a Tactile/Kinesthetic Force Feedback System for Minimally Invasive Tumor Localization ［J］.IEEE/ASME transactions on Mechatronics,2010,15(6):925-931.
［13］Huang Y M, Tsai N C, Lai J Y. Development of tactile sensors for simultaneous detection of normal and shear stresses ［J］. Sensors Actuators,2010,159(2):189-195.
2012, Vol. 33 
