Affiliation:
1. Russian Metrological Institute of Technical Physics and Radio Engineering
Abstract
The metrological support of optical-electronic means of measuring spatial coordinates is described. To meet modern consumer requirements for the accuracy of measurements of spatial coordinates with electronic tacheometers and their analogues (laser scanners, absolute trackers), the State primary special standard of the unit of length GET 199-2024 includes technical means for reproducing, storing and transmitting the unit of length in three-dimensional measurement mode. A reference complex of three-dimensional measurements (coordinate measurements, coordinate increments) has been developed and studied. The means and methods for transmitting a unit of length are presented, as well as the metrological characteristics of the GET 199-2024 in the mode of measuring coordinate increments (length). The sources of non-excluded systematic error and the standard deviation of the measurement result are determined. As a result of the research performed, it became possible to reproduce a unit of length in the mode of measuring coordinate increments in the range of 0–60 m with a standard deviation of no more than 25 μm for 10 independent measurements and a non-excluded systematic error (with a confidence probability of 0.99) of 19 μm. The functionality of the GET 199-2024 will allow solving current problems of metrological support for high-precision electronic total stations and their analogues in three-dimensional measurement mode.
Publisher
FSUE VNIIMS All-Russian Research Institute of Metrological Service
Reference10 articles.
1. Fridman A. E. Osnovy metrologii. Sovremennyj kurs [Fundamentals of metrology. Modern course]. NPO “Professional”, St. Petersburg, (2008). (In Russ.)
2. Sokolov D. A., Oleinik-Dzyadik O. M., Silvestrov I. S. Reference Measuring Complex of Length within the Range up to 60 m from the State Primary Special Standard of a Unit of Length. Transactions of IAA RAS, 52, 63–67 (2020). (In Russ.) https://doi.org/10.32876/applastron.52.63-67
3. Siraya T. H. Methods of Data Processing in Measurements and Metrological Models. Measurement Techniques, 61(1), 9–16 (2018). https://doi.org/10.32446/0368-1025it.2018-1-9-14
4. Golygin N. Kh., Lysenko V. G., Khizhnyakov V. A. Metrological Support for Opto-Electronic Coordinate Measurements. Measurement Techniques, 59(10), 1073–1077 (2016). https://doi.org/10.1007/s11018-017-1094-6
5. Belomyttsev V. D., Golygin N. X., Lysenko V. G., Shilin V. A. Optoelectronic complex for testing, verification and calibration of mobile coordinate measuring instruments. Izvestia Vuzov. Geodesy and Aerophotosurveying, 65(2), 232–240 (2021). (In Russ). https://doi.org/10.30533/0536-101X-2021-65-2-232-240