Abstract
In this paper, a mathematical model of the piezoelectric fluidic angular rate sensor is created. At first, starting from the Coriolis acceleration, obtain a comparison expression for the angular rate and the flow velocity. At second, according to the heat balance theory, solve a comparison expression for the thermal resistance wire current and flow velocity under the forced convection heat transfer condition. At last, obtain a comparison expression for the angular rate and the thermal resistance wire current. Thus a mathematical model of the piezoelectric fluidic angular rate sensor is created. Experiments prove that the average deviation between theoretical and experimental values is less than 10%.
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