Preprint Article Version 1 This version not peer reviewed

Parametric Study of the Centrifugal Insurance Mechanism in MEMS Safety and Arming Device

Version 1 : Received: 24 March 2017 / Approved: 24 March 2017 / Online: 24 March 2017 (10:04:55 CET)

How to cite: Wang, D.; Lou, W.; Feng, Y.; Wang, F. Parametric Study of the Centrifugal Insurance Mechanism in MEMS Safety and Arming Device. Preprints 2017, 2017030184 (doi: 10.20944/preprints201703.0184.v1). Wang, D.; Lou, W.; Feng, Y.; Wang, F. Parametric Study of the Centrifugal Insurance Mechanism in MEMS Safety and Arming Device. Preprints 2017, 2017030184 (doi: 10.20944/preprints201703.0184.v1).

Abstract

MEMS (Micro-electromechanical Systems) becomes important increasingly due to the smarter and smaller fuze used in OICW (Objective Individual Combat Weapon). MEMS Safety and Arming (S&A) device is employed in different platforms and regions for small caliber projectile. Therefore, it is necessary to make a parametric study of the MEMS S&A device in different apply environments and explore the main sensitive factors of the MEMS S&A device to provide reference for designs. In this paper, based on the MEMS S&A device designed by our term, theory and finite element models are established, and the centrifugal insurance mechanism of the MEMS S&A device is parametric studied under the different speeds, temperature and thickness of the model by nonlinear dynamic method. By comparing the experimental and predicted results, the established FEM model is verified, and the conclusion is that the temperature and the centrifugal force are the main sensitive factors in the centrifugal insurance mechanism. In summary, we can suggest that the application environment, which the MEMS S&A device is suitable for, is the temperature equal to or slightly greater than normal temperature and the rotating speed higher than35000r/min of small caliber projectile.

Subject Areas

MEMS S&A device; centrifugal insurance mechanism; nonlinear dynamic method; parametric study

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