Abstract
This paper is devoted to study time optimal control problem for deployment of a gravity gradient stabilized space structure. Schematic model of the space structure is a rigid main body equipped with mass-less booms tipped with point masses. Numerical results for three initial pitch angles show that time-optimal deployment control to eliminate pitch motion is the bang-bang control that consists of five phases;(a) simultaneous extension towards yaw and roll axis, (b) extension toward yaw axis, (c) suspension of extension, (d) extension towards roll axis, and finally (e) simultaneous extension towards yaw and roll axis, again.
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