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Publikācija: Design Principles for Building a Soft

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Publikācijas valoda English (en)
Nosaukums oriģinālvalodā Design Principles for Building a Soft, Compliant, High Spatial Resolution Tactile Sensor Array
Rakstu krājuma / Monogrāfijas nosaukums Haptics: Perception, Devices, Control, and Application
Pētniecības nozare 1. Dabaszinātnes
Pētniecības apakšnozare 1.2. Datorzinātne un informātika
Autori Heba Khamis
Stephen J. Redmond
Robert Tripodi
Artis Linarts
Juris Zavickis
Māris Knite
Ingvars Birznieks
Atslēgas vārdi Force, Tactile sensors, Sensor arrays, Robot sensing systems
Anotācija High-density tactile arrays are required to measure tactile properties, including forces and torques, contact shape and location, and dynamic slip, for dexterous gripping and manipulation tasks performed by robots and humans through haptic interfaces. However, in all current tactile sensing solutions, there is a trade-off between spatial resolution, flexibility, softness and manufacturing cost. In this work, a new design is proposed for a low cost, soft and malleable tactile sensing system with high spatial resolution that can be reshaped and applied to any surface, and that reduces the number of individual sensing elements, eliminates the need for any electronics within the sensing area and removes the need to time-division multiplex between sensor elements, allowing fully-parallel processing of transducer readings. Here the design is an orthogonal placement of conductive rubber strips with a pressure-dependant resistance. A basic algorithm for estimating the pressure at the intersection of each pair of orthogonal sensing strips is also described. The algorithm was tested with a simulated stimulation by two spherical stimuli onto a 16 × 16 grid (16 horizontal strips overlaid with 16 vertically strips)-the estimated pressure profile correlates well with the simulated stimulus (r = 0.86). A 5 × 5 grid prototype was built and was tested by stimulating with a spherical stimuli-the estimated pressure profile correlates well with the real stimulus (r = 0.92). Various design and algorithm improvements are suggested to overcome ambiguity in the estimated pressure profile due to the underdetermined nature of the system.
DOI: 10.1007/978-3-319-42324-1_3
Hipersaite: http://link.springer.com/chapter/10.1007%2F978-3-319-42324-1_3 
Atsauce Khamis, H., Redmond, S., Tripodi, R., Linarts, A., Zavickis, J., Knite, M., Birznieks, I. Design Principles for Building a Soft, Compliant, High Spatial Resolution Tactile Sensor Array. No: Haptics: Perception, Devices, Control, and Application. F.Bello, H.Kajimoto, Y.Visell red. London: Springer Verlag, 2016. 25.-34.lpp. ISBN 978-331942323-4. ISSN 0302-9743. Pieejams: doi:10.1007/978-3-319-42324-1_3
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ID 23088