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8
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vol 63 / August, 2020
Article

DOI 10.17586/0021-3454-2018-61-10-864-872

UDC 629.7.05.67: 629.735.45

SYSTEM FOR MEASURING HELICOPTER MOVEMENT PARAMETERS UNDER DISTURBANCES OF THE VORTEX COLUMN OF THE ROTOR

A. V. Nikitin
A. N. Tupolev Kazan National Research Technical University, Department of Devices and Information-Measuring Systems; Senior Lecturer


V. M. Soldatkin
A.N. Tupolev Kazan National Research Technical University-КAI, Department of Devices and Information-Measurement Systems; Professor


V. V. Soldatkin
A. N. Tupolev Kazan National Research Technical University, Department of Devices and InformationMeasuring Systems; Associate Professor


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Abstract. The problem of measuring a helicopter altitude and flight speed, wind speed and direction, atmospheric pressure and density is considered. Measuring of helicopter movement parameters and environmental characteristics in the parking, starting, take-off and landing, and flight modes, using on-board means involves difficulties due to considerable air-dynamical disturbances caused by inductive flows in the vortex column of the rotor. An integrated system for measuring helicopter movement parameters and the state of the atmosphere relying on the information on the rotor vortex column is proposed. Functional diagram and algorithms of information processing in the integrated measuring system built on the base of stationary multifunctional on-board receiver are presented. It is noted that the use of single fixed on-board multifunctional aerometric receiver distinguishes the proposed system from traditionally employed measuring instruments and determines the broad prospects for the system application in helicopters of various classes and purposes. 
Keywords: helicopter, air parameters, state of atmosphere, parking, starting, take-off and landing and flight modes, main rotor, vortex column, measurement, system, multifunctional receiver, constructive and functional diagrams, algorithms

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