PSO-based autocalibration for differential pressure level sensor
2021
To achieve desired level of accuracy in piezoresistive pressure sensors based on silicon, calibration should be performed frequently. In this paper, an Intelligent auto-calibration approach is proposed to update characterization curve in differential pressure-based level sensor. This intelligent method is based on particle swarm optimization method. To achieve optimum results, different factors such as self-knowledge and social knowledge coefficients in addition to inertia weight have been considered in this intelligent auto-calibration method. The compensation process is the last part of the system. It leads to achieve the up bounded measurement error becomes limited to 0.25 mm.
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