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Comparative analysis reveals elastic properties in pressure sensors, suggesting enhanced data conversion accuracy.
Primary transducers of pressure sensors included in the air signal system and whose operation is based on the optical method of data conversion, are considered. The key feature of these primary transducers, emphasizing the significance of this study, is the use of an innovative elastic system consisting of an elastic membrane and a manometric box and possessing a given variable stiffness, which allows linearizing the characteristic of the elastic system as a function of the aircraft flight altitude. Mutually counter, acting at different time intervals, movement of the membrane and the manometric box during pressure measurement reduces the effect of the total elastic hysteresis. A technique for mathematical modeling of the system elastic characteristics, which takes into account the mutual movement of the elastic membrane and the membranes that make up the manometric box, is presented. A generalized algorithm for calculating the elastic characteristics of the system is been developed. Using the ANSYS software package, the strength characteristics of the elastic sensitive elements are determined. A comparative analysis of the system elastic properties obtained using an analytical method, finite element modeling, and experiment, are performed.
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Антонец et al. (2025) studied this question.
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