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LMK & RobFlow – a new Measuring Robotics System

Measuring-robotic supported imaging Photometry and Colorimetry

The two highly regarded companies Battenberg ROBOTIC, the German measuring-robotics pioneer and TechnoTeam Bildverarbeitung GmbH, a German high-level imaging photometry specialist, are presenting an innovative method for realizing measuring-robotics aided imaging luminance and color measurement.

Battenberg ROBOTIC develops devices and complete customized solutions for combining the possibilities of robotic technologies with all kind of measuring devices and tasks. The 'TechnoTeam Bildverarbeitung GmbH' offers well-known and market-proven solutions for measuring luminance and color values of light sources or illuminated scenarios. Connecting that knowledge and both technologies offers new opportunities and advantages.

Comparing the robotic-controlled imaging luminance measuring device (ILMD) with a manually mounted luminance measuring device considerably better reproducibility is realized. Since the industrial robots applied by 'Battenberg ROBOTIC' offer a repeatability of 20 µm for positioning.

An additionally mounted multi-dimensional force/torque sensor allows an arbitrary positioning of the robotic hand and the ILMD. Thus the so called haptic teaching allows an intuitive and very precise adjustment of measurements position.

An additional feature is the possibility of referencing the measurements position with the use of a laser-beam tool. Therefore an additionally mounted laser-distance sensor is used for defining the measuring position of TechnoTeam’s ILMD, the luminance and color measuring camera 'LMK'. The software 'RobFlow', made by 'Battenberg ROBOTIC', can handle and transform the coordinate systems of the 'LMK' and the laser-distance sensor.

This offers the possibility of an easier adjustment for a perpendicular view on local reference surfaces. When guiding the laser-beam spot above the surface, clustered distance-data is provided. Hence the normal vector of the surface is determined and can be used for the orientation of the robotic hand. The perpendicular positioning or the angular-dependent orientation of the 'LMK' is often a requirement for a correct measurement and with a manual positioning very complicated.

The introduced solution is very suitable for all highly reproducible and also fully automated spatial resolved measurements of the luminance and color values.

Details

  • TechnoTeam Bildverarbeitung

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