- 1. Apparent power place in the instantaneous power of a linear quadripole with a sinusoidal current
- (Content №6 2024)
- ... form. The corresponding vectors are represented graphically on complex planes of zero and doubled frequency. Accordingly, it is indicated which components of the instantaneous power correspond to the apparent ...
- Created on 28 December 2024
- 2. Simulation of the operation modes of the catodic protection complex of pipelines in the approach of overhead power lines
- (Content №6 2024)
- ... were used. Findings. The spatial distribution in the soil of the induced electric field of the overhead power line in the direct location of the pipeline, which varies with a frequency of 50 Hz, was ...
- Created on 28 December 2024
- 3. Active power regulation in wind turbines
- (Content №6 2024)
- ... by employing hybrid controller model. Energy Reports, 10(1), 38-50. https://doi.org/10.1016/j.egyr.2023.06.004. 21. Yuan, H., Wang, D., & Zhou, X. (2023). Frequency support of DFIG-based wind turbine ...
- Created on 28 December 2024
- 4. Assessing the reliability of a surveying and geodetic network based on a Markov model
- (Content №6 2024)
- ... the availability factor, mean time to failure, mean time between failures are calculated. The following graphs are built: readiness functions, probabilities of operation until the first failure, and frequency ...
- Created on 28 December 2024
- 5. Assessment of digital elevation models accuracy for local geoid modeling
- (Content №5 2024)
- ... (2018). Vertical accuracy evaluation of SRTM-GL1, GDEM-V2, AW3D30 and CartoDEM-V3. 1 of 30-m resolution with dual frequency GNSS for lower Tapi Basin India. Geocarto International, 33(11), 1237-1256. https://doi.org/10.1080/10106049.2017.1343392. ...
- Created on 29 October 2024
- 6. Intelligent Sentinel satellite image processing technology for land cover mapping
- (Content №5 2024)
- ... Systems of Information Security (IntelITSIS-2020), Khmelnytskyi, Ukraine June 10-12, 2020. 12. Massout, S., & Smara, Y. (2021). Panchromatic and multispectral image fusion using the spatial frequency ...
- Created on 29 October 2024
- 7. Frequency dependence of reflections on radar landmarks
- (Content №5 2024)
- ... from local objects, with multi-frequency sensing, to solve the problem of orientation by radar reflections from objects. Methodology. Reflections from local objects in the entire frequency range of the ...
- Created on 29 October 2024
- 8. Analysis of natural and man-made factors of landslide development in the Carpathian region using GIS
- (Content №5 2024)
- ... of landslide susceptibility zonation by integrating the frequency ratio and objective–subjective weighting approach: a case study in a tropical monsoon climate region. Frontiers in Environmental Science, ...
- Created on 29 October 2024
- 9. Substantiation of rational design parameters of a crusher with two movable jaws
- (Content №5 2024)
- ... 12. Hristova, T., Yanev, A., & Savov, N. (2018). Determination of the influence of jaw movement frequency of jaw crusher on energy consumption. Annals of the University of Petrosani-Electrical Engineering, ...
- Created on 29 October 2024
- 10. Modeling of drilling tool vibration in the process of drilling blast wells
- (Content №5 2024)
- ... performed to identify the bit in the frequency domain of the measured concomitant integrated vibration signal as a source of high-amplitude vibration. The modulated signal measured in the time domain at ...
- Created on 29 October 2024
- 11. Research on stochastic properties of time series data on chemical analysis of cast iron
- (Content №4 2024)
- ... using time-series analysis of the spectrogram frequency envelopes. Remote Sensing, 12(3), 454. https://doi.org/10.3390/rs12030454. ...
- Created on 28 August 2024
- 12. Justification of the criterion for optimal control of the self-grinding process of ores in drum mills
- (Content №4 2024)
- ... intensifies. The theoretically obtained conclusions are confirmed by the results of experimental studies of the active power signal spectrum of the drive motor of the mills in the characteristic low-frequency ...
- Created on 28 August 2024
- 13. Processing of rare earth ore of weathering crust
- (Content №3 2024)
- ... technology for processing hard-to-enrich rare-earth ore of weathering crust with the use of vibrocentrifugal frequency apparatus, which allows intensifying the extraction of fine ore particles, is developed. ...
- Created on 28 June 2024
- 14. The research of industrial production dynamics based on the tools of chaos theory
- (Content №2 2024)
- ... economy subjects on-line frequency request for exchange rates methods of analysis of pseudophase space. Elektronne fakhove vydannya “Efektyvna ekonomika”, (7). https://doi.org/10.32702/2307-2105-2020.7.16. ...
- Created on 01 May 2024
- 15. Cable line equivalent circuit parameters determination using the instantaneous power components
- (Content №2 2024)
- ... balance method. Determination of the U-shaped substitution scheme elements parameters is performed using power harmonics and their balance at the corresponding frequencies. For frequency-dependent elements, ...
- Created on 01 May 2024
- 16. Characteristics of elasticity, frequency, and stability of plate connecting assemblies for vibrating machines
- (Content №2 2024)
- ... plate elastic element, stiffness, stability, operating frequency range References. 1. Shpachuk, V. P. (2018). Synergistic effect in the dynamics of multidimensional mechanical systems: monograph. Kharkiv: ...
- Created on 01 May 2024
- 17. A hybrid ICEEMDAN and OMEDA-based vibrodiagnosis method for the bearing of rolling stock
- (Content №2 2024)
- ... of intrinsic mode functions (IMFs). On the broadband vibration spectra of the selected low-frequency IMFs, diagnostic features were not detected in a sufficient number. Further research focused on the ...
- Created on 01 May 2024
- 18. Drilling wells taking into account the dynamic properties of rocks
- (Content №2 2024)
- ... The application of high-frequency vibrations to a drill bit is a promising means of increasing rate of penetration in deep hard formations. The implementation of such drill bit high-frequency vibrations ...
- Created on 01 May 2024
- 19. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... of an API X80 steel pipe after high-frequency hot-induction bending. Metals, 8(3), 168. https://doi.org/10.3390/met8030168. 16. Vakulenko, I. O., Vakulenko, L. I., Bolotova, D. M., Kurt, B., Asgarov, ...
- Created on 01 May 2024
- 20. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... depending on the frequency of the harmonic action, the ratio of the piezoconductivity coefficients of the layer, and the relaxation time. Profiles of the dependences of the size of the influence zone on ...
- Created on 01 May 2024