An Astronaut Positioning System for Space Station Assembly and Maintenance Supportby R. W. Adkisson, McDonnell Douglas Space Systems Co, United States,
D. R. Barron, McDonnell Douglas Space Systems Co, United States,
R. P. Velgos, McDonnell Douglas Space Systems Co, United States,
Abstract: Large space structures require special systems to support assembly, operations, and maintenance. These systems must be designed to support many tasks throughout the life of the space facility. This requires design solutions that provide maximum operational flexibility while limiting cost and maintaining reliability. This paper focuses on a method of positioning astronauts during extravehicular (EV) assembly, servicing, and maintenance of Space Station Freedom. McDonnell Douglas has developed an astronaut positioning system (APS) concept for use on Space Station. The APS positions two EV astronauts within a worksite, as required, for assembly and maintenance tasks. During initial assembly, the APS is an integral part of the assembly work platform and provides an efficient method for EV assembly of truss and installation of attached hardware. This paper discusses three areas related to the design and development of the APS: design requirements, system description, and operations.
Subject Headings: Space stations | Maintenance | Astronomy | Space structures | Space frames
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