Power consumption reduction of a controlled friction tactile plate

Authors:
Frédéric Giraud;Michel Amberg;Romuald Vanbelleghem;Betty Lemaire-Semail
Affiliations:
Univ Lille Nord de France, Lille, France;Univ Lille Nord de France, Lille, France;INRIA Lille Nord Europe, Lille, France;Univ Lille Nord de France, Lille, France
Venue:
EuroHaptics'10 Proceedings of the 2010 international conference on Haptics - generating and perceiving tangible sensations: Part II
Year:
2010

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Abstract

This paper describes design improvements of a friction reduction based tactile device, which yields to reduction of the supply power. We first evaluated the power consumption of four different plates. We found that a convenient design could cut the power losses down by 90%. To explain these changes we propose a modelling of the dielectric losses in the piezoelectric actuators and of the vibration amplitude.