Orbit transfer method for a spacecraft using a continuous or quasi-continuous thrust and embedded driving system for implementing such a method
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United States of America
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Jan 14, 2020
Grant Date -
Oct 19, 2017
app pub date -
Nov 9, 2016
filing date -
Nov 9, 2016
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Abstract
An orbit transfer method for a spacecraft using a continuous or quasi-continuous thrust propulsion, the method comprises: the acquisition, at least once in each half-revolution of the spacecraft, of measurements of its position and of its velocity; the computation of a thrust control function as a function of the measurements; and the driving of the thrust in accordance with the control law; wherein the control law is obtained from a Control-Lyapunov function using orbital parameters, preferably equinoctial, of the spacecraft, averaged over at least one half-revolution. An embedded driving system for a spacecraft for implementing such a method and a spacecraft equipped with the driving system are provided.
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