AN ENERGY METHOD FOR PARAMETRICAL IDENTIFICATION OF OBJECT INERTIA TENSORS

Melnikov Vitaly G

2010 , VOLUME 10, NUMBER 1 ( JANUARY-FEBRUARY )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Nikiforov
Vladimir O.
D.Sc., Prof.

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AN ENERGY METHOD FOR PARAMETRICAL IDENTIFICATION OF OBJECT INERTIA TENSORS

V. G. Melnikov

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Abstract

A new method for parametrical identification of an inertia tensor matrix for solid bodies on a semi-program precession is offered. A non-uniform spherical biaxial motion with linear holonomic connection between two angles of rotation and double-turn corner of own rotation is used. It contains a stage of the slowed down movement and a stage of the return symmetric accelerated motion, where one stage can be chosen as non program, and another one- under the program based on the first stage. The inertia moments of a body relative to five positions of an instant axis are defined. The sixth one is defined relative to rotation about a fixed axis.

Keywords: inertia tensor, parametrical identification, reverse-symmetric spherical motion, semi-program precession

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