Digital Clay is a novel fluid-driven device for shape input/output that potentially has wide application in the areas of engineering, sciences, medicine, military, entertainment etc. Shape display is achieved with the current 5×5 prototype but this research seeks to expand its haptic capability with force feedback, but the absence of pressure/force sensors requires finger force estimation. In this paper, a velocity estimator and a mathematical model are derived for the design of a force observer. A brief overview of the current 5×5 prototype at the Georgia Institute of Technology and a new concept for shape editing are also given.
- Dynamic Systems and Control Division
Digital Clay Force Observer Design and Shape Editing Concept
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Ngoo, CS, & Book, WJ. "Digital Clay Force Observer Design and Shape Editing Concept." Proceedings of the ASME 2009 Dynamic Systems and Control Conference. ASME 2009 Dynamic Systems and Control Conference, Volume 2. Hollywood, California, USA. October 12–14, 2009. pp. 377-379. ASME. https://doi.org/10.1115/DSCC2009-2583
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