Thirty years since their invention, laser trackers are now recognized as the measurement
tool of choice in the manufacture and assembly of large components. The general design of …

Aircraft assembly is the most important part of aircraft manufacturing. A large number of
assembly fixtures must be used to ensure the assembly accuracy in the aircraft assembly …

The alignment of aircraft fuselages in the aerospace sector is currently done either manually
or by complex, expensive automated systems. The manual process introduces a significant …

The performance of Large-Volume Metrology has substantially increased during the last
number of years. Systems such as indoor global positioning system (iGPS) provide precise …

Multilateration based approaches are widely accepted as the most adequate solution for
geometric characterisation of medium and large machine tools. However, its application …

Thermal effects on an uncontrolled manufacturing environment are the main barrier for
accurate large machine tools. Internal and external heat sources combined with different …

Vision systems have now been involved to a greater extent in robotic manufacturing
applications due to their noncontact features and high accuracy. The visual information …

The measurement accuracy of a large-scale optical measurement positioning system largely
depends on the calibration procedure. A more reliable calibration approach for the system …

Accurate positioning of objects within an indoor environment is essential for applications
such as virtual reality, robotics and multirotor drones. Previous methods of obtaining six …

An engineering validation of a large optical telescope consists of executing major
performing tests at the subsystem level to verify the overall engineering performance of the …