Actuation system for the control of multiple shape memory alloy elements
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Feb 28, 1997
filing date -
Feb 29, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An actuation system for the control of multiple shape memory alloy elements is achieved by arranging the shape memory actuators into a matrix comprised of rows and columns which results in approximate a fifty percent reduction in the number of electrical connecting wires. This method of actuation provides the scope for resistance measurements of the shape memory alloy actuators and therefore feedback control of the actuators can be accomplished without additional wires.
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