- 21. Control regularities of the useful mineral extraction from ore feed stream with ball grinding. Spectral analysis
- (Information technologies, systems analysis and administration)
- ... the set values. The spectral analysis of useful mineral content in ore and saleable concentrate and the frequency characteristics obtained on the basis of commercial operation data allowed allocating some ...
- Created on 11 January 2018
- 22. Interharmonics in power supply systems
- (Power Supply Technology)
- ... Methods of research are based on the theory of spectral analysis and general electrical engineering. Findings. The stress is made on the necessity to take into account the impact of interharmonics ...
- Created on 11 January 2018
- 23. Definition of vibro displacements of drive systems with laser triangulation meters and setting their integral characteristics via hyper-spectral analysis methods
- (Geotechnical and mining mechanical engineering, machine building)
- ... measurements of vibro movement of the spatial drive system using laser triangulation sensors and definition of integrated dynamic characteristics of a drive using hyperspectral analysis methods. Methodology.Experimental ...
- Created on 16 March 2017
- 24. GSVD/LDA-based RVM scheme for fault detection of broken rotor bars in induction motor
- (Electrical complexes and systems)
- ... Fnaiech, F., Henao, H., Capolino, G.A. and Cirrincione, G. (2013), “Diagnosis of broken-bars fault in induction machines using higher order spectral analysis”, ISA Transactions, vol. 52, pp. 140–148. ...
- Created on 08 February 2016
- 25. Information-measuring complex for the research on trajectories of spindle with hydrostatical bearings
- (Geotechnical and mining mechanical engineering, machine building)
- ... frequency content of trajectories of the spindle was analyzed by the method of spectral analysis. Findings. Based on the application of modern high-precision measuring tools and digital signal processing, ...
- Created on 08 February 2016
- 26. Induction motors protection against overcurrent taking into account nonlinear distortion of phase currents
- (Electrical complexes and systems)
- ... of spectral analysis and discrete signals filtering. The harmonic analysis versatility is that any periodic signal may be synthesized from harmonic oscillation certain amplitude, frequency, and initial ...
- Created on 05 November 2015
- 27. Induction motors protection against overcurrent taking into account nonlinear distortion of phase current
- (Electrical complexes and systems)
- ... oscillation spectrum forming elementary harmonic components in order to compare their properties by applying the theory of discrete signals and systems, as well as methods of spectral analysis and discrete ...
- Created on 27 October 2015
- 28. Device for measuring voltage transformers protection from ferroresonance processes in network with isolated neutral point
- (Electrical complexes and systems)
- ... of transients frequency range of the ferroresonance oscillations was received. A method of identification the ferroresonance mode based on the spectral analysis of voltage 3u0 and method of identification ...
- Created on 13 November 2014
- 29. Automatic control of magnetic separator productivity based on spectral signal converter of electric motor active power
- (Geotechnical and mining mechanical engineering, machine building)
- Authors: M.A. Alekseyev, Dr. Sci. (Tech.), Professor, State Higher Educational Institution “National Mining University”, Dean of the Faculty of Information Technologies, Head of the Department of Software ...
- Created on 21 March 2014
- 30. Efficiency of utilization of vibration-absorbing polimer coating for reducing local vibration
- (Environmental safety, labour protection)
- ... out the research of local vibration levels of jackhammer IP 4010 with noise and vibration measurement system NVM-003-M2. Local vibration levels of jackhammer have been determined by spectral analysis ...
- Created on 24 December 2013
- 31. Formational and facial composition and ore-bearing of belozerskaya series of pre-cambrian of Ukranian shield in green-stone structures of Middle Pridneprovie
- (Geology)
- ... emission spectral analysis, semi-emission spectral analysis, polarographic analysis on gold, laser microspectral analysis. To study the carbonates generation we have used thermal analysis and x-ray analysis. ...
- Created on 17 October 2013
- 32. Tectonic disturbances and geochemical characteristics of the breed Сhistyakov-Snezhnyanskiy geological industrial district of Donbass
- (Geology)
- ... In the zones of tectonic disturbances we have produced selected lithochemical samples for further semi-quantitative spectral analysis of argillites and siltstones for 40 elements and quantitative analysis ...
- Created on 13 August 2013
- 33. Substantiation of technological efficiency of two-frequency resonant vibration machines with pulse electromagnetic disturbance
- (Geotechnical and mining mechanical engineering, machine building)
- ... of moving and acceleration of the masses. The spectral analysis of the received characteristics has been carried out. The presence of shock accelerations in the offered two-mass vibration machine with ...
- Created on 10 July 2013
- 34. Features of mine geotechnical and electromechanical systems reliability evaluation based on mathematical and computer modeling of dynamic processes
- (Solid-state physics, mineral processing)
- ... spectral analysis of the results of the field measurements received by means of new and standard methods, and subsequent statistical treatment of the results. Findings. The features of mathematical ...
- Created on 19 December 2012
- 35. 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
- 36. Matter composition and prospects of enrichment of gold-bearing ferruginous quartzite from Severo-Belozerskoye deposit
- (Geology)
- ... Shield. Methodology. The petrography and mineragraphy methods were used for solving the research tasks. The half-quantity spectral analysis of gold, silver, platinum group elements in abnormal interval ...
- Created on 12 November 2012