Nonlinear oscillations of float suspension under the N-wave. Cyclic loading
DOI:
https://doi.org/10.15587/1729-4061.2013.19152Keywords:
float gyroscope, N-wave, elastic displacement, hypersonic aircraftAbstract
The paper deals with the study of the interaction of sensitive sensors of the navigation system of hypersonic aircrafts with powerful N-wave during flight operations. The paper outlines that the dynamic action that is penetrating acoustic radiation can be provided in the form of Fourier series along the coordinate . The triorthogonal coordinate system attached to the fuselage of the hypersonic aircraft was constructed, and the diagram of Euler angles was given. For cyclically deformed state, the formulas for determining the coordinate functions of displacement of the cylindrical part of the surface of the float gyroscope suspension, which is subjected to the influence of a plane monochromatic wave and diffuse field are proposed. The formulas for calculating the value of disturbing pressures acting on the sensors of the gyro-stabilized platform at overcoming the sound barrier were derived. The projections of the angular velocities on the axis Oxyz for three gyroscopes of the navigation system were considered.
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