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2 2024

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Procedura ograniczająca niepewność wzorcowania przyrządów na 50 m komparatorze interferencyjnym GUM

Wiśniewski Mariusz

Przegląd Elektrotechniczny

2024

R. 100, nr 12

77--80

50 m komparator interferencyjny Głównego Urzędu Miar umożliwia wzorcowanie przymiarów, interferometrów, dalmierzy laserowych, tachimetrów oraz laser trackerów. Przedstawiona została analiza czynników mechanicznych, środowiskowych oraz odczytowych wpływających na niepewność pomiarów. Przygotowana została procedura wzorcowania tachimetrów geodezyjnych. W ramach projektu EMPIR 20IND02 DynaMITE wykonano testy wielokolorowego absolutnego dalmierza laserowego.

The 50 m interference comparator at Central Office of Measures enables calibration of steel tapes, interferometers, EDMs, total stations and laser trackers. An analysis of mechanical, environmental, and line detection factors influencing measurement uncertainty is presented. A procedure for calibrating geodetic total stations, has been prepared. Tests of a multicolor laser ADM were performed as part of the EMPIR 20IND02 DynaMITE project.

Traceability Assurance Method for Measurements Performed Using Hybrid Measuring Systems Consisting of Tactile and Optical Devices

Gąska Adam, Gąska Piotr, Gruza Maciej, Harmatys Wiktor, Kowaluk Tomasz, Styk Adam, Jakubowicz Michał, Wójtowicz Adam, Wiśniewski Mariusz, Sładek Jerzy

Advances in Science and Technology. Research Journal

2024

Vol. 18, no. 7

447--459

This paper presents new method for traceability assurance of measurements performed using hybrid measuring systems built using one system that is based on tactile point measurement method (for example: coordinate measuring machine, articulated arm coordinate measuring machine, laser tracker system) and the second one that is based on optical field measurement method (for example: structured light scanners, digital image correlation systems). Within works described in this paper a series of tests aimed at determining task-specific errors for measurements performed using such composed systems were run. Measurement tasks for which such errors were determined include length measurements and measurements of form deviations (roundness, flatness, etc). Measurements were performed using material standards representing various shapes, dimensions and geometric relations. Measurements were run in different orientations and positions of the standards. Types of standards along with orientations and positions used were chosen basing on the guidelines of the ISO 10360 standard, parts 2, 5, 7, 8, 9, 10, 12, VDI/VDE 2634 and longtime experience of authors of this paper. At the end, results of performed measurements were checked for consistency with results of material standards calibration and values of task- specific maximum permissible errors were established. Guidelines for using developed method in other hybrid systems were also presented in the paper.