BUILDING OF MATHEMATICAL MODEL OF PRESSURE USING TWO-DIMENSIONAL
PULSATOR APPROXIMATION 

Nefed'ev Dmitriy Ivanovich, doctor of technical sciences, head of sub-department of information and measuring equipment, Penza State University, iit@pnzgu.ru
Shvarev Aleksey Vladimirovich, engineer, Scientific-research Institute of physical measurements, nimk15@niifi.ru

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The article presents a typical functional diagram of pressure, which was the basis of metrological support of the DPA, for measuring the quick-variable and pulse pressures; the principle of action and disadvantages pulsator. To increase the performance of operations calibration using pulsates offered the option of creating automated control systems pulser pressure on the basis of two-dimensional mathematical model. Structural scheme of the automated
system is described by a principle of action and give some results concerning the performance of the testing process sensors.

dynamic pressure, mathematical model, automated control system, approximation, the device for creation of dynamic pressure.