Finite-burn De-orbit from Earth Orbit – OTB

版本 1.0.0 (872.1 KB) 作者: David Eagle
Design a finite-burn maneuver that de-orbits a spacecraft from an initial circular or elliptical Earth orbit to a user-defined EI
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更新时间 2024/7/22

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This MATLAB script named fb_deorbit_otb that can be used to compute the optimal finite-burn propulsive maneuver required to de-orbit a spacecraft from an initial circular or elliptical Earth orbit. The simulation assumes the propulsive maneuver is continuous, co-planar and modeled as a series of optimal discretized steering angles. This script attempts to minimize the thrust duration of the finite-burn while solving for user-defined orbital boundary conditions. Since the maneuver is continuous this is equivalent to minimizing the propellant required for the maneuver.
The user provides the classical orbital elements of the initial Earth orbit along with geodetic altitude and relative flight path angle boundary conditions at the entry interface (EI). These entry interface targets are computed with respect to an oblate, rotating Earth.
In this classic optimization problem, the maneuver thrust duration, the steering angle of the maneuver delta-v vector and the flight time from the maneuver to the entry interface are the control variables. The scalar magnitude of the finite-burn de-orbit is the objective function or performance index, and the geodetic altitude and relative flight path angle at the entry interface are treated as nonlinear equality mission constraints.

引用格式

David Eagle (2024). Finite-burn De-orbit from Earth Orbit – OTB (https://www.mathworks.com/matlabcentral/fileexchange/170081-finite-burn-de-orbit-from-earth-orbit-otb), MATLAB Central File Exchange. 检索来源 .

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版本 已发布 发行说明
1.0.0