Pneumatic proximity-to-tactile imaging device
This paper describes the development and the performance characteristics of a pneumatic proximity-to-tactile sensing device for automated recognition of manufacturing parts within flexible manufacturing environments. This tactile sensing device utilises a densely packed line array of IC piezoresistive pressure sensors, providing continuous variable back pressure output. The sensing elements incorporate a corresponding line matrix of air jets which form an air cushion between the sensing plane and the target when striking the object of interest. The back pressure output levels form the basis for the tasks of object detection and recognition. The system described is a research prototype and has been evaluated on a simple test rig: in this form it is not at a stage where it can be applied to a recognition situation on the shop floor.
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