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Optimal Control for Minimum-Fuel Geostationary Station Keeping of Satellites Equipped with Electric Propulsion

机译：装有电推进器的卫星最低燃油对地静止电台的最优控制

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In this paper, a control scheme is elaborated to perform the station keeping of a geostationary satellite equipped with electric propulsion. The use of electric thrusters imposes to take into account some additional non linear constraints that make the overall station keeping optimal control problem difficult to solve directly. That is why we choose here to decompose the station keeping problem in two control problems. The first one consists in solving a classical optimal control problem with an indirect method initialized by a direct method without using the thrusters operational constraints. The second problem deals with the thrusters operating constraints, that are taken into account by two different ways. Simulation results validate the effect of the optimal control thrusts obtained with these methods.
机译：在本文中，阐述了一种控制方案，以对配备电推进装置的对地静止卫星进行定位。电动推力器的使用要求考虑一些其他的非线性约束条件，这些约束条件使得保持最佳控制问题的整个站点难以直接解决。这就是为什么我们在这里选择将站点保持问题分解为两个控制问题的原因。第一个问题在于用直接方法初始化的间接方法解决经典的最优控制问题，而无需使用推进器的操作约束。第二个问题涉及推进器的运行限制，这是通过两种不同的方式来考虑的。仿真结果验证了通过这些方法获得的最佳控制推力的效果。

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