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Increasing the utilization of the ISS Mobile Servicing System through ground control

机译：通过地面控制提高ISS移动服务系统的利用率

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On February 24th, 2005 the Mobile Servicing System (MSS) was maneuvred on the International Space Station (ISS) by an operator from the ground for the first time, marking a first in human space flight history. Allowing ground support teams the capability to move the MSS in a manner that satisfies human space flight safety requirements provides an invaluable tool in supporting more efficient utilization of both the MSS and the ISS. Ground control allows for the optimal separation of on-orbit crew and ground functions; thereby redirecting more on-orbit crew time towards other more scientifically rewarding ISS utilization activities.rnApart from supporting routine ISS operations, significant benefits will also be gained from ground control to support engineering investigations. One of the "way-of-doing-business" adjustments that was required for the MSS on the ISS over the original robotic manipulator system developed for the Space Shuttle (the "SRMS"), was in the sustaining engineering support function. Many SRMS minor on-orbit anomalies are investigated in detail after the mission is completed and the arm has returned to earth. In the case of the MSS where it remains on-orbit, engineering investigations and performance characterization efforts are more challenging. However, contrary to initial expectations, the challenge in troubleshooting and characterizing the MSS was not because of lack of data or insight into the on-orbit system, but rather due to lack of on-orbit crew time for engineering investigations. This has led to some engineering support teams having to wait up to a year before even straightforward troubleshooting investigations could be scheduled and executed. Ground control affords a more efficient way of characterizing and maintaining the health of the MSS.rnThis paper will describe the utilization challenges the MSS has faced in the past, provide an overview of the MSS ground control capability, and discuss the benefits that are expected to be gained through the implementation of a ground control capability.
机译：2005年2月24日，移动服务系统（MSS）在国际空间站（ISS）上首次由操作员从地面操纵，这是人类太空飞行历史上的首次。允许地面支持团队以满足人类太空飞行安全要求的方式移动MSS的能力，为支持更有效地利用MSS和ISS提供了宝贵的工具。地面控制可实现在场人员与地面职能的最佳隔离；从而将更多的在轨人员时间转移到其他更具科学价值的国际空间站利用活动上。除了支持国际空间站的日常运行外，地面控制也将为工程研究带来巨大的好处。相对于为航天飞机开发的原始机械手系统（“ SRMS”），国际空间站上的MSS所进行的“经商方式”调整之一是维持工程支持功能。任务完成且手臂回到地面后，将详细调查许多SRMS的在轨小异常。对于MSS仍在轨道上的情况，工程研究和性能表征工作更具挑战性。但是，与最初的预期相反，对MSS进行故障排除和表征的挑战不是由于缺乏数据或对在轨系统的洞察力，而是由于缺乏在轨人员进行工程研究的时间。这导致一些工程支持团队不得不等待长达一年的时间，才能安排和执行直接的故障排除调查。地面控制提供了一种更有效的方法来表征和维护MSS的运行状况。本文将描述MSS过去面临的使用挑战，概述MSS地面控制功能，并讨论预期的好处。通过实施地面控制能力而获得。

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