Optimal Placement of MEMS Sensors for Damage Detection in Composite Plates

Author(s): Stefano Mariani*, Matteo Bruggi, Francesco Caimmi, Giovanni Capellari

Journal Name: Micro and Nanosystems

Volume 10 , Issue 1 , 2018

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Graphical Abstract:


Objective: Inertial Micro Electro-Mechanical Systems (MEMS) have recently been proposed as sensing components of surface-mounted structural health monitoring systems aimed to detect damage in flexible plates, subjected to either quasi-static or dynamic loadings.

Method: In this paper, we discuss a topology optimization approach to smartly deploy an array of MEMS accelerometers over thin flexible plates, partially allowing for scattering in their placement.

Result: We assume damage (i.e. a reduction of the local bending stiffness of the plate) to be located anywhere, and we show how boundary conditions, symmetry conditions and the stacking sequence in case of a composite laminate can affect the optimal sensor placement.

Keywords: Structural health monitoring, Micro-Electro-Mechanical Systems (MEMS), thin plates, composites, damage detection.

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Article Details

Year: 2018
Published on: 06 September, 2018
Page: [65 - 74]
Pages: 10
DOI: 10.2174/1876402910666180417153602
Price: $25

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PDF: 29