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Models for Generating and Processing of Signals of the Panoramic Sensor of Aerodynamic Angle and True Airspeed

https://doi.org/10.17587/mau.22.442-448

Abstract

The importance of information about the true airspeed and aerodynamic angles of aircraft and replenishment of arsenal of their measuring means with only electronic design scheme, low weight and cost, providing a panoramic measurement of the gliding angle is noted. It is shown that traditional measuring means of true airspeed of AP, which implement the aerodynamic and vane measuring methods of parameters of incoming air flow, using receivers and sensors distributed over the fuselage, have a complex design, significant weight and cost, and limited ranges of measuring aerodynamic angles, which limits their use on small-sized aircraft plane. The integrated sensor of aerodynamic angle and true airspeed, which implements a vortex method for measuring the parameters of incoming air flow, is considered. A single fixed flow receiver simplifies the design, and the time-frequency primary informative signals reduce the errors of instrumentation channel. The limited range of measurement of the gliding angle limits the use of the sensor on small AP. The integrated sensor of aerodynamic angle and true airspeed, which implements the ion-mark method for measuring the parameters of incoming air flow, is considered. The sensor provides a panoramic measurement of aerodynamic angle using receivers distributed in the measurement plane. But the multichannel measuring circuit significantly complicates the design, increases the weight and cost of the sensor, which limits its use on small-sized aircraft plane. The functional scheme of the original panoramic purely electronic sensor of the aerodynamic angle and true airspeed with one fixed receiver of the incoming air flow and ultrasonic instrumentation channels is revealed. Analytical models of the formation, processing and determination of the aerodynamic angle and true airspeed using frequency, time-pulse and phase informative signals are obtained. The analysis of the variants of used informative signals determines the prospects of using of the panoramic sensor with frequency informative signals on small-sized aircraft plane, in which there are no methodological errors from the influence of the ambient temperature when changing the flight altitude.

About the Authors

V. M. Soldatkin
Kazan National Research Technical University Named after A. N. Tupolev-KAI
Russian Federation

D. Tech. Sc., Professor, Head of Chair

Kazan, 420111



V. V. Soldatkin
Kazan National Research Technical University Named after A. N. Tupolev-KAI
Russian Federation

Kazan, 420111



E. S. Efremova
Kazan National Research Technical University Named after A. N. Tupolev-KAI
Russian Federation

Kazan, 420111



B. I. Miftachov
Kazan National Research Technical University Named after A. N. Tupolev-KAI
Russian Federation

Kazan, 420111



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For citations:


Soldatkin V.M., Soldatkin V.V., Efremova E.S., Miftachov B.I. Models for Generating and Processing of Signals of the Panoramic Sensor of Aerodynamic Angle and True Airspeed. Mekhatronika, Avtomatizatsiya, Upravlenie. 2021;22(8):442-448. (In Russ.) https://doi.org/10.17587/mau.22.442-448

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