Methods of resolution enhancement of laser diameter measuring instruments

Diameter Calculation in Contactless Three-Axis Measuring Devices

“…Expressions (9,(11)(12)(13)(14) have been derived to calculate the precise value of the object radii, the coordinates of the object center position, and the average radius and the precise value of its ovality in the maximum and minimum values. A computer modeling of the three-axis transducer, which data are shown to be in good agreement with experimental data, confirms the validity of the proposed conversion function.…”

“…In particular, the measurement accuracy obtained by these devices using a combination of diffraction methods and statistical data processing may be of micrometer fractions [14]. However, when measurement is performed using the divergent light flux, the shadow dimensions of the measured object change in case the object is displaced within the test zone.…”

Use of Creeping Speed Mode in Discrete Control and Measuring Equipment with Digital-Program Control

“…Figure 3 shows results of mathematical modelling of the DFM (6). As an example, the dependencies of the DFM electromagnetic torque in the starting and creeping speed modes are presented.…”

“…), getting the creeping speed according to the schemes for the joint feeding, step and torque modes, etc. [3][4][5][6][7][8][9].…”

Optimization of the Stabilization System for Electromagnetic Suspension in Active Vibration Isolation Devices

“…The consideration of additional loads (static, vibration, seismic), which can lead to structural instability [1,2] or even destruction [3][4][5], is relevant under the elevated static, mechanical and thermal loads. Nowadays, electromagnetic suspension systems are widely used in various fields of technology [6,7].…”