Self-sensing dielectric elastomer device
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United States of America Patent
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Mar 12, 2019
Grant Date -
May 7, 2015
app pub date -
Jun 14, 2013
filing date -
Jun 14, 2012
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Abstract
The invention provides circuits, systems and methods for dielectric elastomer device (DED) self-sensing. The circuit comprises a first DED coupled or adapted for coupling to a first voltage source (for providing an actuating or priming signal, for example); a current sensor provided in series with the first DED; and an oscillating signal source coupled to the first DED and adapted to cause an oscillation in a voltage across the DED, wherein the oscillating signal source is decoupled from the first voltage source.
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