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The International Journal of Advanced Manufacturing Technology, March 2014, Volume 71, Issue 1-4, pp 529-537.
K. Ostrowska, A. Gąska, J. Sładek.
Laboratory of Coordinate Metrology, Cracow University of Technology, al. Jana Pawla II 37, 31-864, Cracow, Poland.
Abstract
Coordinate Measuring Arms are redundant measuring devices that are widely used today. Therefore, this paper presents a solution of the problem of online estimation of accuracy of measurements done on coordinate measuring arms. This paper shows the metrological model called Virtual Coordinate Measuring Arm. It is composed of a kinematic model of arm, created using the Denavit–Hartenberg convention connected with PC-DMIS measuring software and usage of Monte Carlo method. Verification tests done according to VDI/VDE 2617–7 guideline show that the created model is working properly. Also the comparison of results of measurements done on real Coordinate Measuring Arm and simulated by the created model proves correctness of the model. The metrological model of Virtual Coordinate Measuring Arm can be a breakthrough in the use of the coordinate measuring arms in quality assurance systems in production.
