RobAir Robot
A robot designed to climb over the fuselage
and wing areas of aircraft and inspect rows of rivets for loose
rivets and cracks. This is a European Craft programme, G4ST-CT-2000-50028:"Development
of a Robotic System for the Inspection of Aircraft Wings and Fuselage",
Abbreviated title: ROBAIR
Partners: London South Bank University, TWI Ltd, Zenon, SonaTest,
Kontrol Technik, NDT Consultants, Technical University of Sophia,
Frontier Systems, Ideasis Ltd.
The vacuum adhesion climbing robot provides
motion on aircraft wings and fuselage. Mass = 20 kg. On-board control
systems with teleoperation from an operator PC via a twisted pair.
Flexible feet adjust to a range of surface curvatures. Vacuum sensors
check for adequate adhesion before allowing robot motion before
each walking step.
A 4-axis Cartesian scanner deploys NDT sensors.
Mass = 22 kg. End-effecter repeatability = 1 mm.
NDT of rows of rivets using ultrasonic phase
arrays, ultrasonic wheel probes, eddy currents and thermography.
For thermograhy, the scanning arm is removed and replaced by a thermographic
camera and heat source. The design uses a hierarchy of universal
jonts in each foot, ankle and structure to provide the flexibilty
to different surface curvatures but yet remain rigid when attached
to the surface.
The paper describing this design was highly
commended by the Industrial Robot Journal and CLAWAR 2006 conference.
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