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Aerospace Instrument-Making

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Flywheel indicator gyrostabilizer of angular position
Arseniev V.D. Fateev V.V.

The article discusses the construction of an indicator flywheel gyrostabilizer with unloading by the rotational speed of the flywheel. Installation on a platform of ad-ditional body – a flywheel – with one degree of freedom allows to organize stabilization system, in which the main stabilizing moment is created in the in-teraction of platform gyrostabilizer and this additional body. This allows to obtain a high steepness of the stabilization feedback channel and thus high accurate of stabilization, because between the platform and the flywheel non-rigid elements in the transfer chain of torque are practically absent. Application the proposed original scheme to obtain information about the relative speed of rotation of the flywheel does not require the introduction of additional angular rate sensor that allows to simply organize the unloading system by speed which provides operability of the system and further reduction in steady-state stabilization error. The paper presents the physical and mathematical models of the uniaxial indicator flywheel gyrostabilizer in analytical and graphical form, the results of investigations of stability and accuracy, requirements for parameters and elements gyrostabilizer.
Keywords: indicator gyrostabilizer, small size gyrostabilizer, powered gyrostabilizer, flywheel, nonrigid drive, the unloading system.


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Pp. 49-56.

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