Journal
SMART MATERIALS & STRUCTURES
Volume 16, Issue 5, Pages 1967-1972Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0964-1726/16/5/055
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This paper presents the design, fabrication, and testing of a miniature latching accelerometer that does not require electrical power. Latching is attained by using a bistable compliant mechanism that switches from one mechanical position to another when the force on the accelerometer exceeds a threshold value. Accelerometers were fabricated by laser cutting the compliant mechanism switch out of both ABS and Delrin plastic sheets. Packaging consisted of gluing the single compliant layer to a supporting substrate. The switching thresholds of the accelerometers were varied from 10g to 800g by varying the surface area of the free moving section between 100 and 500 mm(2).
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