A Time-referenced 4D Calibration System for Kinematic Optical Measuring Systems

Abstract By using kinematic optical measuring systems in spatiotemporal positioning necessarily all involved sensors of the measuring systems have to be synchronized. Otherwise existing dead time and latency in a measuring system will lead to deviations in the space-time position. A time-referenced 4D calibration system is presented for kinematic optical measuring systems, which is qualified for tracking optical measuring systems of any kind. The base of this calibration system is built up by a tiltable rotating arm driven by a rotary direct drive. The rotating arm is supplemented by a further rotary direct drive mounted on a movable tripod. The developed modeling for determinability of a space-time position is based on the theory of quaternions. The fundamental idea of modeling is equivalent to the fact that every measurand of the test item, which is measured at a particular time, could be assigned to an explicit position of the rotating arm

A Time-referenced 4D Calibration System for Kinematic Optical Measuring Systems

Abstract By using kinematic optical measuring systems in spatiotemporal positioning necessarily all involved sensors of the measuring systems have to be synchronized. Otherwise existing dead time and latency in a measuring system will lead to deviations in the space-time position. A time-referenced 4D calibration system is presented for kinematic optical measuring systems, which is qualified for tracking optical measuring systems of any kind. The base of this calibration system is built up by a tiltable rotating arm driven by a rotary direct drive. The rotating arm is supplemented by a further rotary direct drive mounted on a movable tripod. The developed modeling for determinability of a space-time position is based on the theory of quaternions. The fundamental idea of modeling is equivalent to the fact that every measurand of the test item, which is measured at a particular time, could be assigned to an explicit position of the rotating arm

Entwicklung eines zeitreferenzierten 4-D-Kalibrier- und Prüfsystems für kinematische optische Messsysteme

Zur Bestimmung von Verzögerungszeiten wurde ein zeitreferenziertes 4-D-Kalibriersystem entwickelt, das für jedes trackende optische Messsystem geeignet ist. Die Basis des Kalibriersystems bildet ein schwenkbarer Dreharm, der durch einen weiteren rotativen Direktantrieb auf einem frei beweglichen Stativ ergänzt wird. Beide Direktantriebe sind in einem echtzeitfähigen Antriebssystem integriert. Die Modellierung zur Bestimmung der Verzögerungszeiten basiert auf der Quaternionen-Algebra