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Development of precise barometric sensor
 Bebej, Rastislav ; Králík, Jan (referee) ; Řeřucha,, Šimon (advisor)
This thesis deals with the development of an electronic module for absolute air pressure measurement. The device is to be used in interferometry in length metrology, where it is necessary to determine the value of atmospheric pressure with high accuracy. The thesis includes a research focused on the selection of suitable pressure sensors for this purpose and the selection of supporting components. The thesis also deals with the design of the circuit design and the printed circuit board. The module communicates with the device network via CAN bus, using the CANopen protocol. The device has been thoroughly tested with a reference barometer and in a controlled environment of a temperature chamber. The aim of these measurements was to determine the noise characteristics and to assess the proposed filtering using an IIR filter. Based on the calibration with a certified barometer, the device is supplemented with offset compensation, temperature influence compensation and linearly dependent pressure deviation compensation.
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