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JRM Vol.15 No.6 pp. 582-587
doi: 10.20965/jrm.2003.p0582
(2003)

Paper:

Analysis and Design of A New Micro Jerk Sensor with Viscous Coupling

Motohiro Fujiyoshi*,**, Yutaka Nonomura*, Fumihito Arai**, and Toshio Fukuda**

*Toyota Central R&D Labs., Inc., Nagakute, Aichi, 480-1192, Japan

**Nagoya University, 1 Furo-cho, Chikusa-ku, Nagoya, 464-8603 Japan

Received:
September 12, 2003
Accepted:
October 10, 2003
Published:
December 20, 2003
Keywords:
jerk, sensor, viscous, coupling, mems
Abstract

A new method for jerk detection (derivative of acceleration) is proposed. By using a 2 degrees of freedom (DOF) model with viscous coupling, we measure jerk directly as a position change in mass without differential circuit. Analysis by numerical formulas show the principle of the proposed jerk detection and simulation results show suitable parameters such as viscosity, mass ratio, and spring coefficient ratio for jerk detection. We also propose a micro jerk sensor based on the micro electro mechanical system (MEMS). Results of analysis show that the microstructure is suitable for the proposed viscous coupling.

Cite this article as:
Motohiro Fujiyoshi, Yutaka Nonomura, Fumihito Arai, and Toshio Fukuda, “Analysis and Design of A New Micro Jerk Sensor with Viscous Coupling,” J. Robot. Mechatron., Vol.15, No.6, pp. 582-587, 2003.
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Last updated on Dec. 09, 2021