Cranny, A, Cotton, D P J, Chappell, P H and White, N M
Thick film force and slip sensors for a prosthetic hand.
In, EuroSensors 18, Rome,
12 - 15 Sep 2004.
In an attempt to improve the functionality of a prosthetic hand device, a new fingertip has been developed that incorporates sensors to measure temperature and grip force, and to detect the onset of object slip from the hand. The sensors have been implemented using thick film printing technology and exploit the piezoresistive characteristics of commercially available screen printing resistive pastes and the piezoelectric properties of proprietary lead-zirconate-titanate (PZT) formulated pastes. This paper describes the design and production of these different types of sensor and presents some results from initial investigations.
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