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CAD ANALYSIS, MODELLING STRATEGY AND SIMULATION OF ULTRA-MINIATURIZED MEMS BASED INTEGRATEDACCELERATION AND SPIN SENSOR FOR SAM APPLICATION


Swati Rastogi, Surya Prakash, S.P. Duttagupta
Abstract

MEMS is a technology that bridges computer with an ultra-miniaturized device embedded in semiconductor microchip. Following paper outlines the computer aided design analysis of monolithic MEMS based layered assembly that integrates the acceleration sensor and spin sensors for safety and arming (SAM) application. Different strategies for modelling are considered and further simulations are carried out for different ‘g’ i.e. near earth’s gravitational acceleration and rotational spin taking in account various design parameters. Microchip SAM design is structured in a way that it has both movable and non-movable parts which utilizes mechanical properties, structural properties and material properties that may be or may not be electronically controlled. CAD analysis proposed in this paper is for a layered assembly device, and is directed to accomplish reliability, safety and price effectiveness. The paper also highlights the concepts, modelling and design analysis at the microscale level for inertial and mechanical logic in form of microsprings, setback sliders and interlocks that intercommunicate on the coplanar surface in response to centrifugal force and setback acceleration. The ultra-miniaturized monolithic MEMS based acceleration and spin sensor for SAM device is represented as a function to ensure safety in armament manufacturing industrialized world. Simulation is carried out in the laboratory using SolidWorks/COMSOL Multiphysics/ Ansys GUI tools to realize the displacement profile of microspring and the arming slider in safe condition and in arming condition. This paper signifies the standard of mechanical safety and arming devices which are the needful of today’s world.

Volume 11 | 05-Special Issue

Pages: 243-254