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In this paper a levitating acceleration sensor exploiting an inductive readout strategy is presented. The system uses four NdFeB magnets and a graphite tile to implement the levitating mechanism. The graphite tile has a dimensions of 1.2 cm2 and it is suspended by 8 mm on the magnetic substrate. The latter has a surface of 2.4 cm2. The main claims of the device presented through this paper are mainly...
In this paper an inkjet printed sensor in the mesoscale is presented with the aim to investigate its behavior as accelerometer in the low frequency domain typical of inertial stimuli coming from human caused and seismic phenomena.
In this work a novel inertial sensor is presented, which can be used as a low band accelerometer, a vibration sensor or an inclinometer. The device consists of a glass plate filled with deionized water surrounding a small volume of ferrofluid; a permanent magnet is used to fix the position of the ferrofluidic mass in a compliant position. The effect of an external stimulus can be estimated by measuring...
A novel inertial sensor based on ferrofluids is presented in this work. The proposed device exhibits a widely tunable operating range and high sensitivity. The ferrofluid is a special solution of magnetic particles in a colloidal suspension whose flow or density and other physical features can be controlled by magnets or magnetic fields. The device prototype is made of one excitation coil and two...
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