Evaluación de la precisión y exactitud de dos escáneres láser de la Universidad Distrital mediante piezas geométricas regulares

Abstract

The following research addresses the evaluation of two laser scanners located at the Technological Faculty of the Universidad Distrital, which will be estimated in terms of precision and accuracy from the measurement of regular geometric pieces. In order to evaluate which is the most convenient scanner for the measurement of each type of piece and to observe which will serve best for mechanical engineering applications within the university, it is proposed to carry out an experimental design based on three types of geometric pieces (cube, hemisphere, pyramid) that will be measured by each of the scanners. The data obtained will be analyzed using the response surface graphs provided in the experimental design, to evaluate the measurements made by each device. To achieve this objective, a rigorous methodology will be followed that includes the definition of specific evaluation criteria, as well as the requirements and limitations for the measurements. Statistical analysis techniques will be implemented to compare the results obtained by each scanner, evaluating its technical and functional viability. At the same time, a detailed plan of the experimental configuration will be developed, ensuring controlled test conditions to minimize external variables. Theoretical and practical aspects of metrology and data analysis will be addressed to ensure the accuracy and precision of the results. This involves the integration of advanced statistical analysis methods, such as the use of Design Expert software, which will allow the evaluation of the repeatability of measurements, identifying variations and possible systematic errors in the scanners. Finally, clear metrics for evaluating the performance of each laser scanner will be established, both in technical and economic terms. Data collection and analysis will be carried out on the precision and accuracy of the measurements, considering factors such as operation time and associated costs. These results will serve as a basis for the selection of the optimal scanner, as well as for future research and improvements in laser scanning technology within the university. The results of this study will not only provide valuable knowledge for the mechanical engineering industry, but will also offer practical guidance for the selection of laser scanning technologies, contributing to the optimization of measurement and quality control processes within academic environments.