- 1. Modeling of drilling tool vibration in the process of drilling blast wells
- (Content №5 2024)
- ... R. (2014). The velocity synchronous discrete Fourier transform for order tracking in the field of rotating machinery. Mechanical Systems and Signal Processing, 44(1-2), 118-133. https://doi.org/10.1016/j.ymssp.2013.03.026. ...
- Created on 29 October 2024
- 2. Influence of misalignment of connection of electrical machine shafts on the nature of electric power of the induction motor
- (Content №6 2022)
- ... realize the formation of the moment caused by the imbalance of rotating masses. Using Fourier transform of the electric power of the induction motor, we determine its discrete spectrum. Experimental research ...
- Created on 25 December 2022
- 3. Earth fault protection for compensated electric networks based on frequency filters
- (Content №1 2020)
- ... the zero sequence voltage and currents. Methodology. The methods of mathematical modeling and analysis of transients in compensated electric networks of 6‒35 kV, Fourier transform and Goertzel ...
- Created on 10 March 2020
- 4. Mathematical model of oscillations of a drill tool with a drill bit of cutting-scraping type
- (Content №1 2020)
- ... out. The frequency of change in these non-stationary drilling mode functions is set by rapid Fourier transform. Originality. For the first time, analytical dependences were obtained to determine ...
- Created on 10 March 2020
- 5. Method of indirect measurement of oxygen concentration in the air
- (Environmental safety, labour protection)
- ... of the theory of errors. Forecasting the oxygen volume concentration in the air was carried out on the basis of the inverse functional dependence established by means of the discrete Fourier transform. ...
- Created on 29 October 2018
- 6. Measuring transformers dynamic properties study by means of data collection microsystem m-DAQ/OEM
- (Information technologies, systems analysis and administration)
- ... is the spectral analysis based on Fourier transform. This mathematical apparatus is inconvenient for study of non-stationary and pulsed signals. For study of dynamic properties of measuring transducers ...
- Created on 16 November 2012