Work is connected with the synthesis of information behavior of groups of autonomous intelligent agents of biomedical research, and machine learning methods to ensure the reliability of the forecast increase in their behavior using multi-agent systems based on the use of bionic principles, methods and models of swarm intelligence. Developed multi-agent system simulates the behavior of groups of autonomous intelligent agents developed methods to meet the proposed criteria of reliability, differing form the structure of the system and developed a set of specialized agents that provides the capability to model a group of biomedical robotics using autonomous intelligent agents. Classifier of stabilographic signals on the basis of Parzen method was developed. These data indicate that the auxiliary symptoms resulting from multidimensional scaling much more informative initial attributes.
Keywords: Intelligent agent, multidiagnostics, Parzen classifier
The requirements to be met by a data acquisition system in terms of each of the problems to be solved. Presented electric concept developed biopotential amplifier with a total gain of 2000. The theoretical model of the spectrum of RR intervals and changes depending on the running processes. The analysis revealed that the resulting spectrum satisfies the conditions considered in the theoretical model, and can be further analyzed with fractal characteristics.
Keywords: Instrumental amplifier, biopotential, fractal index
In this paper we consider the application of digital signal processing techniques to clean them from interference and to present in a special basis, which allows the detection of events related to the manifestation of the functioning of a functional system in health and disease. Implemented mathematical foundation and rapid synthesis methods for converting the signals used in electrophysiology based on the discrete wavelet and Gabor transforms. Filter synthesis using Filter Desing ToolBox package MatLab was observed.
Keywords: digital signal processing techniques, rapid synthesis methods, discrete wavelet transform, Gabor transform
The influence of fine-dispersed mineral adds on the properties of cement stone and concrete has been investigated. The possibility of production of necessary strength concrete with small sand without increasing of standard expenditure of cement has been designed.
Keywords: concrete, strength, small sand, add, mineral powder, cement, reduction, expenditure
Seed damage has a negative impact on the subsequent development of the plant, its yield, and generally on the economic efficiency of grain production. Main percentage of the grains injury occurs in the post-harvest processes, particularly in the grain cleaning. One way of solving this aim is reducing of macro and micro damage of seeds by using of the new polymeric materials. Researches have been conducted to reduce the micro and macro of injury barley seeds (feed material) through the use of new sieves made of polymeric materials UHMW PE for agricultural machinery.
Keywords: polymeric materials, micro and macro damage, reducing injury of the seeds
The results of differential thermal analysis of ammonium purpurate-ammonium nitrate system have been presented. The samples have been obtained of melt method. At the contents of ammonium purpurate more than 1 % in samples turn up replacement sequence of ammonium nitrate polymorphic transitions has been established.
Keywords: ammonium nitrate, ammonium purpurate , phase stable, gas-generating composition
The article gets application multi-element piezoelectric transducers for ultrasonic high-speed flaw detection on railway tracks. The processing algorithm of echo-signals from multi-element piezoelectric transducers was offered to get additional information about defect location to apply solution considering risk level more validly and to increase crack detection probability. The obtained algorithm was realized as software package. A set of experiments was completed for fourth-elements inclined piezoelectric transducer on a standard pattern for various positions to verify the processing algorithm. The experiment has shown that the echo-signals behavior allows to use the obtained algorithm for multi-element transducers at the high-speed flaw detection. Also it has emerged that the echo-signal shape at one element of piezoelectric transducer strongly depends on refracting prism geometry and relation position elements on prism.
Keywords: multielement piezoelectric transducers; ultrasonic methods; echo-signal; high-speed flaw detection
This article describes the method of registration electrocardiogram and physical activity which patient feels during the examination process. The represented scheme of research with registration of a load, which includes portable pulsometer, cardioregistrator fixing electrocardiogramm, frequency of cardiac contractions, ST segment shift, the trainer is a stepper to wichpeddal a block of load registation is connected. The person on stepper, tests a load peer to potential energy, spent during research. On the basis of the specified method the hardware-software complex of registration of a load is developed for functional diagnostics, there is a block diagram presented.
Keywords: Holtermonitor, ECG, physical activity
The article considers the problem of maximum flow of minimum cost finding in fuzzy dynamic transportation network. The relevance of the problem is in its wide practical application on the rail, air, sea and other roads in finding of routes of minimum cost. The feature of the problem statement is that fuzzy nature of the network parameters, such as arc capacities and costs is taken into account. It allows us to make decisions more sensitive to environmental changes. The dependence of network parameters from flow departure is also considered, that allows to introduce the notion "dynamic" network as opposed to "stationary-dynamic", examined in the literature. The algorithm for solving the described problem in fuzzy conditions is proposed. To illustrate the algorithm a numerical example is presented.
Keywords: dynamic network, maximum flow of minimum cost, fuzzy numbers, arc capacity, transit time
Briefly discussed the theoretical model of the spectrum of RR intervals and its changes depending on the processes taking place. Made a device for measuring cardiointervalogramms (CIG). Obtained from the renting of data, of varying duration and frequency shall be recorded for further processing. The analysis revealed that the resulting spectrum satisfies the conditions considered in the theoretical model, and can be further analyzed with fractal characteristics. Such an analysis is of great importance in the diagnosis of the patient directly to the duration of the therapeutic procedure for the optimization of both time and intensity exerted influence.
Keywords: CIG; fractal series; the spectrum of RR intervals
One of the priorities of socio-economic development of the municipality is the effective work aimed at improving the quality of life. In this article the problem of placement for agency of health care and education considers at reconstruction of urban areas. There is an investment attractiveness and environmental condition in focus, when choosing a site location of the agency of health care and education
Keywords: Geoinformational systems, environmental safety, investment attractiveness, reconstruction, electronic map
Depressed calcaneus fractures tend to reveal comminuted nature, and are accompanied by apparent oedema of soft tissues in the ankle joint and foot zones. Rigidity of calcaneus fracture fixation and ability of an early performance of graduated weight bearing by a certain extremity depend on the precision grade of clamp location in the main splinter body. Presently, this problem is solved by means of an electric-optical image converter application. A method, and an appliance for its practical implementation are being offered, which will provide for an increased precision of a crew/wire installation into the calcaneus, with a simultaneous reduction of radiation exposure on both surgeon and patient. 35 patients with depressed calcaneus fracture were operated according to this method; a therapy result for the period from 6 months to 2.5 years has been made for 8 thereof. The algorithm of therapy did not foresee the external immobilization, the graduated weight bearing commenced after 1.5 months, and the complete weight bearing started after 2.5 months. Redislocation of splinters has not been noticed in any of the cases considered. The appliance offered ensures a high quality of surgical therapy.
Keywords: calcaneus fracture, osteosynthesis, cannulated screws, minimally invasive osteosynthesis
The paper shows the feasibility of using a current amplifier in the filters RF and microwave ranges. By analyzing the basic structure of the second-order level sufficient conditions for the efficient use of active elements. The examples of methodological nature and formulated conclusions of practical importance.
Keywords: RF filter, microwave filter, parametric sensitivity, current amplifiers, functional modeline setting
The article briefly describes the history пояявления hydrophobic cements. Considered one of the прспективных directions for the use of water-repellent additives today - in the dry construction mixtures and confirmed the significance of this direction. The article describes the results of experiments on the impact on the indicators of a cement-sandy solution additives series GMI and the analysis of the received data
Keywords: hydrophobic cement, hydrophobic additives, dry construction mixtures, porosity of a cement stone, strength cement-sandy solution, involving air, antifoam, antifoam agent
We propose a relatively simple algorithm for the approximate calculation of the inductance per unit length of twisted pair, based on the principle of the geometric distances of its cross-section. Confirmed the efficiency of the algorithm and the high accuracy of the results. A comparative analysis of the mutual inductance per unit length of a long line with the mutual inductance per unit length of the twisted pair.
Keywords: mutual inductance per unit length, a long line, twisted pair