Estimating nonmeasurable coordinates of elastic oscillations for large space constructions with a gyroforce engine

We develop a mathematical model for the angular motion dynamics of a large-scale space construction with a gyroforce engine, in which coordinates of the construction's elastic oscillations are fully observable. This lets us design a joint estimation algorithm for angular motion coordinates and elastic oscillations for orientation control and angular stabilization of the construction in question. We show mathematical modeling results for the synthesized estimation algorithm that support its high accuracy, convergence, and stability.