Abstract
A robotic positioner and manipulator, a key component of a mobile neutron radiography system (MNRS) for aircraft inspection, is described. The MNRS is designed to inspect military aircraft for hidden corrosion in aluminum structures. The MNRS is comprised of an accelerator-based (Kaman A-711 sealed tube neutron generator using the deuterium-tritium reaction) thermal neutron source, electronic neutron imaging system, robotic positioner and manipulator for the source/imager, control trailer housing system control electronics and digital image processing system, mobile dark room for film processing, self-contained electrical power source, and radiation safety system. For in situ aircraft inspection, the robotic scanner is programmed (in a teach/learn mode) to scan a region of the components (e.g., wings, stabilizers, etc.) using a control pendant.
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