Problems of Artificial Intelligence №2017'2(5)

V. I. Levin, E. A. Nemkova

COMPARISON OF POLYINTERVALS AND OPTIMIZATION IN THE CONDITIONS OF UNCERTAINTY

Summary: The article introduces the concept of comparison of polyintervals for separating larger and smaller ones. A new concept is based on the accepted in the interval mathematics methods for expansion of numerical operations over intervals. The main theorem is proved. It defines the necessary and sufficient conditions for the comparability of polyintervals. There is an example of using the results obtained for making the best economic decisions.

Keywords: polyintervals, their comparison, maximum (minimum polyinterval).

V. Ju. Shelepov, A.V. Nicenko

RECOGNITION OF RUSSIAN CONTINUOUS PHRASES WITH SOME SPECIAL VOCABULARIES

Summary: We suggest the recognition of two kinds of Russian phrases: continuously speaking complex cardinal numerals and continuously speaking Russian names with patronymics. The recognition of numerals is based on the fact that each numeral can be divided into two parts. The first part is any numeral from 1 to 999, the second part is a numeral from the same set preceded by an appropriate Russian form of the word “thousand” (“тысяча”). Either part can be empty. We select every part by spotting the fragment “тыся” of the word ”“тысяча” (“thousand”) as the key word in speech stream and we recognize these parts separately without breaking the sound sequence into separate words. To recognize the continuously pronounced name with patronymic we use generic transcription, which describes the alternation of voiced and unvoiced fragments selected promptly after recording. All names with patronymics are divided into vocabularies with identical generic transcriptions. When the generic transcription of the recorded phrase has been found we recognize the signal without dividing it into separate words within the appropriate vocabulary.

Keywords: continuously speaking complex numbers and Russian names with patronymics, key word (fragment), recognition of the entire signal, generic transcription.

S. S. Antsyferov, K. N. Fazilova, K. E. Rusanov

SIMULATED DYNAMIC MODEL OF COGNITIVE SYSTEMS

Summary: Cognitive systems have a number of properties, the most important of which is the property of non-equilibrium stability. Research of cognitive systems’ non-equilibrium stability is an actual problem, successful solution of which is associated with the establishment of appropriate principles and stable functioning models of such systems. Availability of an adequate model makes it possible to determine a set of indicators of stable functioning. In this paper, a simulated dynamic model of cognitive systems with active elements is proposed.

Keywords: cognitive systems, non-equilibrium stability, indicators of non-equilibrium stability, active elements, phase portrait of active element, limit cycle, dynamics of system, entropy.

T. V. Ermolenko, A. P. Tihonchuk

VOICE ACTIVITY DETECTION IN SPEECH

Summary: The article deals with the problem of determining the boundaries of speech in a sound signal. The analysis of researches in the field of speech processing is carried out. Based on the results, a comparison is made between the algorithms of voice allocation, this concluded that the presence of speech increases the amount of information in the corresponding places of sound recording. An algorithm that uses information entropy for the classification of parts of sound recording based on the presence/absence of speech in the presence of arbitrary interference is proposed and implemented. Numerical studies of the efficiency of the algorithm are performed.

Keywords: entropy, speech recognition, recognition algorithm.

S. B. Ivanova, I. S. Salnikov, R. I. Salnikov

ROBOT-OPERATORS AND ROBOTIC COMPUTERS: PREREQUISITES FOR CREATION AND IMAGING

Summary: The review considers the prerequisites for improving computer technologies based on the use of the proposed new automation and robotization tools for informational and computational processes and the accompanying mechanical operations of robot operators and robotic computers capable of completely or partially replacing a human operator who works individually on a personal computer or in networked computer-mechanical complexes.

Keywords: human-operator, robot-operator, robot-computer, computer technologies, images of automation and robotization.

V. N. Pavlysh, I. V. Tarabayeva

THE MATHEMATICALMODELING OF HEAT-AND-MASS TRANSFER PROCESSES IN MOVING BED

Summary: The results of mathematical modeling method application for analyzing the temperature distribution process in solid bed of a bulk material during the stirring in drying apparatus are considered. The base of mathematical model consists of particular differential equations, which reflect the physics of the process. The problem is solved by the method of finite differences with the modification considering the non-linear type of equations.

Keywords: process, equation, transfer, temperature, moving, method.

D. A. Chuvikov

ABOUT THE EXPERT SYSTEM «ANALYSIS MVA», BASED ON THE CONCEPT OF THE MIVAR APPROACH

Summary: The article is devoted to the research of the expert system “Analysis MVA” based on the concept of the mivar approach. The article also considers new models for reconstructing and expertasing of traffic accidents in the form of the knowledge base for mivar bipartite directed networks including formulae for analyzing vehicle’s braking ability and speed properties for an individual road traffic accident, as well as formulae for computation of different cases of vehicle’s slip while braking, motion on the curved stretch of the road, vehicle-pedestrian accidents with uniform motion and unlimited visibility.

Keywords: expert system, knowledge base, expert modeling, MVA, mivar, mivar network, expertise, Wi!Mi.

Print