van Albada, G D; Lagerberg, J M; Visser, A - In: Industrial Robot: An International Journal 21 (1994) 6, pp. 14-17
Outlines research work to design a robot calibration system which is portable, accurate and low‐cost. Describes … prototype measuring system which is based on a camera in the robot hand, plus a known reference object in the robot workspace … errors. Concludes that this method, based on photogrammetry to obtain measurements for the calibration of robot systems, has …