Vladimir I. Vasilyev

Vladimir I. Vasilyev
Ufa State Aviation Technical University · Computer Science

About

22
Publications
440
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47
Citations

Publications

Publications (22)
Article
Full-text available
It is found that the features of the voice, keystroke dynamics and pattern of a subject’s use of a computer mouse contain the following information about the psychophysiological state of the operator: normal, fatigue, intoxication, excited, and relaxed (sleepy). Voice features are the best for identifying fatigue or a sleepy state of a speaker. Key...
Conference Paper
The research aims at the development of a method of continuous identification of computer network users during their professional activity by means of data received from standard peripherals (keystroke dynamics, facial images registered by a web camera, mouse dynamics). A new method of identification is proposed. A natural experiment evaluating the...
Conference Paper
Full-text available
The problem of neural network structure selection is discussed. The constructive approach to shallow NNs design based on using the minimal complexity principle is offered. The peculiarities of its application to solving different classes of tasks often met with in practice are considered.
Article
Methodology of wells selection for production stimulation was described. Fuzzy set theory is used for data handling. As result, the list of perspective wells for stimulation was obtained.
Conference Paper
A new approach to web server attacks detection based on the statistical analysis of HTTP requests and principles of immunocomputing is proposed in the paper. We use a set of legitimate HTTP requests as training data. Each request is represented as its byte frequency distribution. Immunocomputing is used to calculate the binding energy between the t...
Conference Paper
Most current anomaly based intrusion detection systems (IDS) use methods which rely on labeled training data. Such kind of data is expensive to produce and it is difficult to train such systems. Also these methods have difficulty in detecting new types of attacks and high rate of false positives. This paper offers an approach based on immune model...
Conference Paper
In this work the intrusion detection system (IDS) based on artificial immune systems is presented. This IDS traces sequences of applications system calls and then uses the negative selection algorithm to detect changes in the normal system behavior. It works on MS Windows operation system. This IDS also shows a high performance on local area networ...
Conference Paper
The problem of increasing the accuracy of geonavigation data being used for the control of the drilling oil-gas well trajectory is considered. The approach to solving the problem based on the distortion and measurement noise filtration with the use of the smoothing neural network is proposed. The generalized algorithm of the smoothing neural networ...
Article
The problem of designing intelligent control and information processing systems on the base of combined use of artificial intelligence methods, is discussed. Some peculiarities of new information methodology, called as soft computing, are considered. The general approach to design of multilevel intelligent control systems with use of methodology of...
Conference Paper
The general issues of designing the hybrid intelligent control systems based on rational combination of different knowledge processing technologies is discussed. The principles of structural construction of such systems are considered. A general approach to design of hierarchical intelligent control systems, based on the expert estimation of comple...
Conference Paper
The topical problem of design of multifunctional multivariable control systems for the complex technical objects operating in the conditions of strong interaction of their controlled coordinates and changing their number is investigated. The approach proposed to its solving is reduced to the choice and coordination of desired dynamic characteristic...
Article
The given paper is devoted to a problem of increase of credibility of the correct technical condition (TC) estimation for complex (MIMO) dynamic objects. The decision, based on representation of object model by set of local models (LM), is offered. The LM creation is based on decomposition of topological object model (TM). The decomposition is made...
Article
This Paper presents a methodology for solving the sensor failure detection, isolation and accommodation of aeroengine control systems using on-line learning neural networks (NN), which has one main NN and a set of decentralized NNs. Changes in the system dynamics are monitored by the on-line learning NN. When a failure occurs in some sensor, the se...
Article
The problem of development of the support system for design and introducing of intelligent control algorithms for the complex controlling system components is discussed. The model of controlling algorithm, which combines dynamic, intelligent and object-oriented approaches is suggested and analyzed. The intelligent possibilities and problems of real...
Conference Paper
The paper is concerned with the problem of design of robust control systems preserving the stability and high performance under conditions of considerable uncertainty of the plant behavior. For solution of this problem the authors propose the equivalent system method based on construction and investigation of equivalent block diagrams of the contro...
Conference Paper
In this paper we consider the application of the sequential analysis theory to solving of actual theoretical problems of automatic control such as: identification of dynamic characteristics, design of control algorithms, adaptation. The proposed approach is based upon the spectrum representation of time characteristics of dynamic systems in the bas...
Article
This paper deals with a vehicle state and parameters estlmatlon problem. This problem is solved, using a modified second order filter. Proposed estimation algorithm iMproves estimation accuracy.
Article
The problem of the choice of structure and parameters of neurocontroller in the closed-loop control system of gas-turbine engine is being solved. The formalized procedure of neurocontroller design on the basis of criterion of minimal complexity under satisfaction of the settled requirements to accuracy, stability and perform- ance of transient proc...

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