Open AccessANALYSIS OF THE ERROR COMPONENTS OF LEVER TYPE FORCE-GENERATING MACHINES
Author(s) -
Olexander Tsiporenko
Publication year - 2021
Publication title -
vìsnik kiïvsʹkogo polìtehnìčnogo ìnstitutu. serìâ priladobuduvannâ/vìsnik kiïvsʹkogo polìtehnìčnogo ìnstitutu. serìâ priladobuduvannâ
Language(s) - English
Resource type - Journals
eISSN - 2663-3450
pISSN - 0321-2211
DOI - 10.20535/1970.62(2).2021.249185
Subject(s) - calibration , lever , metrology , measurement uncertainty , process (computing) , computer science , standard uncertainty , simulation , mechanical engineering , engineering , mathematics , statistics , operating system
The national standards are the basis of the technical base of the state metrological system. The developing of a na-tional primary standard of force unit solves such tasks as ensuring the uniformity of force measurements, transmitting the size of a unit of force with the required accuracy, metrological support of a large fleet of working standards and measuring instruments used in Ukraine. One of the main stages in the creation of the national standard is the development of a mathematical model of the process of reproducing the unit size of a physical quantity, namely N - Newton. The purpose of this study is to analyze the components of the error of force-generating installations of the multi-lever type, which are part of the national standard. Force generating installations used by calibration laboratories are usually traced to national standards through verification using precision force transducers. Calibration of force measuring instruments will typically be performed on these installations according to a documented procedure, such as ISO 376, and the components of error and uncertainty of calibration results will depend on the calibration and measurement capabilities of the unit size reproduction. Similarly, the uncertainty of the calibration of industrial force measuring in-struments will depend in part on the uncertainty contributing by the force measuring instrument, and the uncertainty of any subsequent force measurement will depend in part on the uncertainty associated with the reproduction of a unit of force, including national standard. It can be seen that the uncertainty of the final strength measurement depends on all previous stages of the measurement, and this work aims to make recommendations on how these contributions can be estimated.
The purpose of this study is to analyze the components of the error of power plants of the multi-lever type, which are part of the state standard. The paper analyzes the method of reproduction, storage and transmission of the unit size, lever reinforcement installations, which can be used as reference metrological institutes and calibration laboratories. The basic principles of operation of the above reference installations are considered and the mathematical model of reproduction of the size of unit of force is created.