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Swarm RPO and Docking Simulation on a 3DOF Air Bearing Platform

机译:3DOF空气轴承平台上的RPO和对接模拟

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With the emergence of the space servicing sector, along with the return of manned missions beyond low earth orbit, there is a need for quick, efficient, and most of all, safe Rendezvous and Proximity Operations (RPO). More than that, the next big step forward is manufacturing in space, which will require large swarms of spacecraft cooperating in close proximity to each other, all subjected to the same laws of orbital mechanics. Methods for swarm RPO safety are being developed but have not yet been tested in space. The most promising type of swarm RPO safety utilizes real-time GNC algorithms coupled with a variety of sensor inputs giving the position, velocity, and pose of all satellites in the swarm, to constantly update the relative-motion orbits of all the elements in the swarm, while propagating these orbits forward in time to prevent conjunctions. The University of Southern California's Space Engineering Research Center (SERC) is developing an in-house manufactured 3-DOF Air Bearing Platform (ABP), which has the ability to simulate the frictionless environment of space in a single plane. Real-time algorithms for swarm operations arc planned to be tested with representative floating platforms. In preparation for platform operations, algorithms developed for swarm RPO were tested in a software simulation of the ABP hardware. Software based verification on the simulated ABP platform allowed for testing of various sensor configurations on the swarm elements, as different trajectories and approaches will have different range variations and rotation rates, all of which determine how well a given sensor can identify and update the position of the target spacecraft, and the other spacecraft in the swarm. The results of the initial simulations will be presented in this paper.
机译:随着空间维修部门的出现,随着载人任务的回归,超越了低地球轨道,需要快速,高效,大多数,安全的集合和近似行动(RPO)。不止于此,下一个大步前进是在太空中制造,这需要大量的航天器与彼此密切合作,所有这些都受到相同的轨道力学定律。正在开发Swarm RPO安全方法,但尚未在太空中进行测试。最有希望的群RPO安全性使用实时GNC算法与各种传感器输入耦合,提供群体中所有卫星的位置,速度和姿势,以不断更新所有元素的相对运动轨道群,同时及时将这些轨道传播以防止连词。南加州太大的空间工程研究中心(SERC)正在开发内部制造的3-DOF空气轴承平台(ABP),该平台(ABP)有能力在一架平面中模拟空间的无摩擦环境。群体运营的实时算法计划用代表性浮动平台进行测试。在准备平台操作时,在ABP硬件的软件仿真中测试为Swarm RPO开发的算法。基于软件的验证在允许的模拟ABP平台上允许测试群体元素上的各种传感器配置,因为不同的轨迹和方法将具有不同的范围变化和旋转速率,所有这些都可以确定给定的传感器如何识别和更新的位置目标宇宙飞船和群体中的其他航天器。本文将介绍初始模拟的结果。

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