Design and Test of High-g MEMS Accelerometer

Feng Wen; Yun Bo Shi; Yong Feng Ren

doi:10.4028/www.scientific.net/AMR.677.85

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 677Design and Test of High-g MEMS Accelerometer

Design and Test of High-g MEMS Accelerometer

Abstract:

For measuring the high-g impaction and overload of some conditions, a kind of high-g accelerometer was designed. Testing and analysis to the accelerometer was processed through launching projectile to penetrate concrete target. Four fixed end structure was adopted in the design of the high-g accelerometer and the chamfer was set in the bottom and top part of the beam to divert stress. It is learned that the sensitivity of the accelerometer is 0.1uv/g by calibration. A kind of deceleration measurement device was provided to test the performance of the accelerometer through penetration experiment over concrete target and the design of the measurement device and penetration experiment over concrete target was illustrated. The impaction characteristic of the accelerometer was tested and studied through penetration to the target. MATLAB software is used to analyze the influence of the filter cutoff frequency over the test result and the best cutoff frequency point was set at 6 kHz, under which the maximum penetration acceleration is up to 28526 g.

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Periodical:

Advanced Materials Research (Volume 677)

Pages:

85-89

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.677.85

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Online since:

March 2013

Authors:

Feng Wen, Yun Bo Shi, Yong Feng Ren

Keywords:

High-g Accelerometer, Impaction Test, Low-Pass Filter, MEMS, Penetration

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