Disclosed is a robust tactile sensor array that mimics the human fingertip and its touch receptors. The mechanical components are similar to a fingertip, with a rigid core surrounded by a weakly conductive fluid contained within an elastomeric skin. It uses the deformable properties of the finger pad as part of the transduction process. Multiple electrodes are mounted on the surface of the rigid core and connected to impedance measuring circuitry within the core. External forces deform the fluid path around the electrodes, resulting in a distributed pattern of impedance changes containing information about those forces and the objects that applied them. Strategies for extracting features related to the mechanical inputs and using this information for reflexive grip control.
申请公布号
EP2158454(A4)
申请公布日期
2011.11.23
申请号
EP20080827237
申请日期
2008.05.16
申请人
UNIVERSITY OF SOUTHERN CALIFORNIA
发明人
JOHANSSON, ROLAND, S.;LOEB, GERALD, E.;WETTELS, NICHOLAS;POPOVIC, DJORDJE;SANTOS, VERONICA, J.