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

Annotation

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. 

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