Mr. Joseph M. Hansen Profile

Joseph M. Hansen

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Proceedings Article | 1 November 1992 Paper

Robotic end-effector for rewaterproofing shuttle tiles

Davoud Manouchehri, Joseph Hansen, Cheng Wu, Brian Yamamoto, Todd Graham

Proceedings Volume 1829, (1992) https://doi.org/10.1117/12.131709

KEYWORDS: Robotics, Space robots, Robotic systems, Research facilities, Ceramics, Safety, Control systems

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This paper summarizes work by Rockwell International's Space Systems Division's Robotics Group at Downey, California. The work is part of a NASA-led team effort to automate Space Shuttle tile rewaterproofing in the Orbiter Processing Facility (OPF) at the Kennedy Space Center (KSC) and the ferry facility at the Ames-Dryden Flight Research Facility. Rockwell's effort focuses on the rewaterproofing end-effector, whose function is to inject hazardous dimethylethyloxysilane into thousands of ceramic tiles on the underside of the orbiter after each flight. The paper has five sections. First, it presents background on the present manual process. Second, end-effector requirements are presented, including safety and interface control. Third, a design is presented for the five end-effector systems: positioning, delivery, containment, data management, and command and control. Fourth, end-effector testing and integrating to the total system are described. Lastly, future applications for this technology are discussed.

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