Istraživanje mogućnosti primjene metode vektorske kvantitacije za učinkovito upravljanje procesom rotacijskog bušenja stijena

The subject of the paper is investigation of the properties of concurrent vibro-acoustic signal in the process of rock massif separation with the method of rotary drilling. The aim is to investigate the possibilities of using this signal as an integrating information source for the purposes of identification of the process of separation from the viewpoint of efficiency of the set mode (pressure, revolutions, indentor) under current geotechnical conditions. Investigated is the possibility of recognition of the state of the process based on the method of vector quantisation.U radu je provedeno vrednovanje atributa simultanog vibro-akustičnog signala u procesu rotacijskog bušenja stijena. Cilj je istražiti mogućnosti korištenja vibro-akustičnog signala kao integriranog izvora informacija za identifikaciju procesa i određivanje optimalnih parametara (tlak, broj okretaja, indentor) za određene geotehničke uvjete. Istražena je mogućnost primjene metode vektorske kvantizacije za identificiranje stanja procesa rotacijskog bušenja stijena

Application of balance models in metallurgy

In general, management is the planning and coordination of all processes and their elements in enterprises in order to achieve the objectives with the highest efficiency. The basic management tools, especially in companies with complex production processes with high inertia and long production time, include balance models. The paper points out the methodology, principles and importance of balance models in metallurgy and describes the methodology for material-energy, capacity and economic balance of this process

New Principles of Process Control in Geotechnics by Acoustic Methods

The contribution describes the new solution of the control of rotary drilling process as some elementary process in geotechnics. The article presents the first results of research on the utilization of acoustic methods in identification process by optimal control of rotary drilling

Istraživanje mogućnosti primjene metode vektorske kvantitacije za učinkovito upravljanje procesom rotacijskog bušenja stijena

The subject of the paper is investigation of the properties of concurrent vibro-acoustic signal in the process of rock massif separation with the method of rotary drilling. The aim is to investigate the possibilities of using this signal as an integrating information source for the purposes of identification of the process of separation from the viewpoint of efficiency of the set mode (pressure, revolutions, indentor) under current geotechnical conditions. Investigated is the possibility of recognition of the state of the process based on the method of vector quantisation.U radu je provedeno vrednovanje atributa simultanog vibro-akustičnog signala u procesu rotacijskog bušenja stijena. Cilj je istražiti mogućnosti korištenja vibro-akustičnog signala kao integriranog izvora informacija za identifikaciju procesa i određivanje optimalnih parametara (tlak, broj okretaja, indentor) za određene geotehničke uvjete. Istražena je mogućnost primjene metode vektorske kvantizacije za identificiranje stanja procesa rotacijskog bušenja stijena

Application of balance models in metallurgy

In general, management is the planning and coordination of all processes and their elements in enterprises in order to achieve the objectives with the highest efficiency. The basic management tools, especially in companies with complex production processes with high inertia and long production time, include balance models. The paper points out the methodology, principles and importance of balance models in metallurgy and describes the methodology for material-energy, capacity and economic balance of this process

New Principles of Process Control in Geotechnics by Acoustic Methods

The contribution describes the new solution of the control of rotary drilling process as some elementary process in geotechnics. The article presents the first results of research on the utilization of acoustic methods in identification process by optimal control of rotary drilling

Analysis of geophysical signals by using hilbert space geometry

The contribution presents some results achieved by the authors during several years of research of the process of rotary drilling of rocks by using metric spaces. The authors successfully apply this approach in the solution of specific problems in geophysics and also metallurgy. The authors use abstract structures – so called Hilbert spaces - for the implementation of process signals as algebraic vectors. The geometric structure of these spaces enables mutual metric comparisons of geophysical signals in relation to the rock type and the mode of drilling. Some space is also given to the visualization of the degree of divergence between geophysical or process signals being analyzed

Utilization of signal spaces for improvement of efficiency of metallurgical process

The contribution deals with some questions associated with utilization of mathematical spaces, especially Hilbert spaces, in the area of process control. The authors of the paper point out the possible method of prediction of undesirable leaks of CO gas in oxygen converter in steel production. This prediction is based upon monitoring concurrent vibrations of the converter that are processed in abstract Hilbert space. To the current state of the process corresponds a point in the space. To the critical state of the process then corresponds a particular point of its trajectory. The structures of abstract space enable to visualize the trajectory of the process in the converter and quantitatively specify the distance of the process from the critical point

Analysis of geophysical signals by using hilbert space geometry

The contribution presents some results achieved by the authors during several years of research of the process of rotary drilling of rocks by using metric spaces. The authors successfully apply this approach in the solution of specific problems in geophysics and also metallurgy. The authors use abstract structures – so called Hilbert spaces - for the implementation of process signals as algebraic vectors. The geometric structure of these spaces enables mutual metric comparisons of geophysical signals in relation to the rock type and the mode of drilling. Some space is also given to the visualization of the degree of divergence between geophysical or process signals being analyzed