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In this work the mechanical design of a tide gauge station is presented. The structure consists of a surge pipe anchored to a pier and partially immersed in seawater. Despite such conceptual simplicity, this design required a careful analysis under different points of view to ensure a long life in the hostile environment in which the station will be installed and to guarantee an optimal sea level...
Remotely Operated Vehicles are very useful tools for submarine exploration. We have customized a Micro-Class ROV for shallow marine geophysical and geochemical research. Due to our specific requirements, micro-ROV frame, fairing and pressure canisters must be of lightweight, resistant and non-magnetic material. Based on its mechanical and optical properties, for the realization of the micro-ROV pressure...
In this paper, we have studied the sources of error of a low-cost 3-axis MEMS accelerometer by means of Power Spectral Density and Allan Variance techniques. These techniques were applied to the signals acquired from ten identical devices to characterize the variability of the sensor produced by the same manufacturer. Our analysis showed as identically produced accelerometer have somehow variable...
This paper presents an approximate closed-form solution for the free-vibration problem of thin-walled clamped–clamped cylinders. The used indefinite equations of motion are classic. They derive from Reissner׳s version of Love׳s theory, properly modified with Donnell׳s assumptions, but an innovative approach has been used to find the equations of natural frequencies, based on a solving technique similar...
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