Optimal Trajectory Shaping of Orbital Maneuver in Presence of Uncertainties

Please enable javascript in your browser.

Shakouri, Amir | 2017

751 Viewed

Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 50110 (45)
University: Sharif University of Technology
Department: Aerospace Engineering
Advisor(s): Pourtakdoust, Hossein; Kiani, Maryam
Abstract:
Traditionally, orbital maneuvers are obtained according to mission cost, time and several constraints. This thesis considers the use of covariance as a measure of uncertainties in the design of orbit maneuvers. The ideal solution in the proposed method is the maneuver that obtains the minimum uncertainty at the desired times in presence of the mission constraints. In this thesis two impulsive orbit maneuver schemes, based on shaping method and sequential lambert solutions, are developed and has been analyzed under uncertainties. Moreover, a novel rendezvous design methodology is proposed in order to minimize the covariace trace at the impulse locations, considering several constraints such as the maximum control effort, maximum impulse magnitude, maximum flight time and the safe zones. Finally, the rendezvous problem is augmented by an identifying parameter and the design methodology is extended to carry the new problem with a different covariance behavior
Keywords:
Optimization ; Design ; Uncertainty ; impulsive Maneuver ; Rendezvous Algorithm ; Orbit Design ; Orbital Maneuver

No TOC