Adjustable negative stiffness systems
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United States of America Patent
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Apr 16, 2019
Grant Date -
Jul 12, 2018
app pub date -
Jan 12, 2017
filing date -
Jan 12, 2017
priority date (Note) -
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Abstract
A variable stiffness structure includes a first negative stiffness element configured to buckle in a first direction, a second negative stiffness element configured to buckle in a second direction opposite to the first direction, and an actuator operatively coupled to ends of the first and second negative stiffness elements to control a stiffness of the variable stiffness structure. The first negative stiffness element and the second negative stiffness element are mode-3 buckling beams.
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