Special Issue No. – 10, June, 2020

“Quantative Methods in Modern Science” organized by Academic Paper Ltd, Russia

THE SURFACE GRINDING OPTIMIZATION OF TITA-NIUM PARTS WITH DIFFERENT STIFFNESS GIVEN THE PROCESS STABILITY

Authors:

Yakov I. Soler,Dinh Si Mai,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00011

Abstract:

This paper considers improving the surface grinding of parts with different stiffness from the titanium alloy VT22 given the process stability based on the multi-criteria optimization according to the performance criteria. The part surface quality includes roughness, flatness deviations, microhardness, relative supporting portion of surface and standard deviation. The variation ranges of the process parameters are as follows: wheel speed vwh = 28m/min, longitudinal feed slong = 5 – 18 m/min, transverse feed str = 2 – 10 mm/ double stroke, depth of cut t = 0.005 – 0.02 mm, operational allowance z = 0.1 – 0.3 mm. It has been established that the optimal grinding conditions of completely rigid parts given the stability of the process, have not only reduced the standard deviation of the basic parameters by 1.7 times as compared with optimization without taking them into account, but also the basic time of transition by 1.6 times as compared with the recommended standards of grinding. When optimizing the pliable parts grinding (with stiffness j = 350 – 11,220 N/mm), the reduction of high-rise indicators of their surface roughness by 1 – 2 categorical magnitudes, the standard deviation by 2 times, the basicmachining time by 1.2 times for the rough stage, and by 1.2 – 3.3 times for the finishing stage compared to the grinding of the completely rigid parts has been noted. The non-rigid parts of titanium alloys should be ground in the longitudinal direction of its variation (by vector slong). It has been determined that the optimum grinding condition of non-rigid parts allows reducing the main operation time by 4.9 times compared to the standard specifications for completely rigid parts, mainly by increasing t and reducing z. The results obtained should be used in the robust design of grinding operations.

Keywords:

Grinding,optimization, process stability,non-rigid parts,titanium alloy,surface topography,

Refference:

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SYNDROME OF PLACENTAL INSUFFICIENCY IN PREGNANT WOMEN WITH OBESITY

Authors:

Irina Savelyeva,Olga Shirokova,Elena Bukharova,Elena Galyanskaya, Irina Polyanskaya,Elena Krasnikova, NataliyaNosova,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00012

Abstract:

Researchers interest to the problem of extra genital diseases in mothers has increased during the past years. Obesity rate worldwide achieved the level of one of the most significant problems in XXI century. The Purpose of the Study: Evaluation of placental insufficiency syndrome risk development in pregnant women with obesity. Materials and Methods: Prospective controlled study enrolled 494 patients. The 1st group included 262 patients with obesity (mean body weight index 33.1 (31.4; 35.9) kg/m2), aged 30 (27; 34) years old. The 2nd group (control) included 232 patients with normal body weight (mean body weight index 22.6 (21.0; 23.8) kg/m2) aged (25; 31.5) years old. The authors evaluated anthropometric data, conducted coagulotests, assessed lipid and carbohydrate metabolism, performed fetometry and Dopplerometry. All the patients had their level of human placenta growth factor identified (PlGF, pg/ml) in blood serum. Morphological study of secundines was conducted. Results. It was defined that pregnant women with obesity had low level of P1GF in comparison with the women in the control group (р<0.01). Critical level of PlGF in prognosis of placental insufficiency development is considered to be lower than 100 pg/ml. Morphological study of secundines from delivered women with obesity showed significantly higher rate of placenta maturation disorders at low level of  P1GF. Conclusion: In pregnant women with obesity the level of P1GF on the 8-9th week of gestation was lower in comparison with the control group. The level of PlGF lower than 100 pg/ml at obesity in mother is considered as a marker of placental insufficiency development risk, which is confirmed by the morphological study of secundines.

Keywords:

Obesity, placental growth factor, placental insufficiency, lipid metabolism,

Refference:

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STUDY OF INTERRELATIONS OF THE BIOELEMENT STATUS OF MOTHER AND FETUS AT CATTLE

Authors:

Anton E. Chernitskiy,Tatiana S. Skogoreva,Vladimir A. Safonov,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00013

Abstract:

Determination of the concentration of chemical elements in the switch hair of   cattle in the ‘dam-newborn calf’ pairs is a non-invasive method to determine the bioelemental status of calves formed within the last three month of embryofetal development and its effect by the maternal bioelemental status. The study purpose is to examine the correlation between the bioelemental status of clinically healthy cows and their calves. 35 clinically healthy red-and-white cows and their offspring were the objects. In 2015 switch hair samples were obtained from 35 clinically healthy red-and-white cows and their calves located at a large cow unit soon after calving and the concentration of 12 chemical elements (iron, zinc, copper, manganese, molybdenum, cobalt, chromium, selenium, nickel, arsenic, strontium and cadmium) were determined by the atomic absorption spectroscopy (Shimadzu AA6300, Japan). The analytic expressions describing the dependencies of the accumulation of chemical elements in the embryo’s switch hair on the maternal bioelemental status of the dam were obtained. Statistically significant dependencies with the level of α = 0.05 were found for selenium, copper, cadmium and cobalt. The current level of α significance for zinc, iron, strontium, chromium, nickel, arsenic and manganese was 0.10...0.15. No statistically significant dependence was found between the concentration of molybdenum in the switch hair of newborn calves and their dams. The lack of СТ-Мо(СК-Мо) dependence shows that the level of molybdenum accumulated in a calf’s body within the last three months of embryofetal development almost does not depend on the elemental status of its dam (the last one was judged on the basis of molybdenum concentration in hair samples taken from the cows). The following concentration intervals were set for the examined elements in the switch hair of cows that ensure the optimal level of their accumulation in calves: from 97 to 117 mg/kg for zinc, from 5.2 to 9.3 mg/kg for copper, from 11.8 to 13.7 mg/kg for manganese, from 40 to 155 µg /kg for cobalt, from 8.5 to 11.5 µg /kg for chromium, from 230 to 370 µg /kg for selenium, from 0.2 to 0.4 mg/kg for nickel, from 80 to 170 µg /kg for arsenic, from 6.0 to 8.6 mg/kg, from 0.10 to 0.62 mg/kg for cadmium. The study results are of practical values for those specializing in veterinary and animal science as they enable to prognosticate the disturbances of bioelemental nutrition of cow’s fetus and provide for their timely correction

Keywords:

Cattle,hair analysis,atomic absorption spectroscopy,microelements,dam-newborn calf pairs,

Refference:

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USING EARTH REMOTE SENSING DATA TO CONTROL CHANGES IN WATER STORAGE BASIN COAST LINE

Authors:

Alexeyi V. Dubrovskiy,Olesya I. Malygina,Viktor N. Moskvin,Tamara V. Vereshchaka,Valery I. Tatarenko,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00014

Abstract:

The modern organisation of infrastructural facilities and industrial complexes shall be environmentally safe and economically effective.  The article poses the problem of creation of a system for the efficient use of and control over the state of water storage basins using geotechnology and Earth remote sensing systems.  The Novosibirsk Water Storage Basing, Novosibirsk, Russia is taken as an example.  Over the explored area of the water basing, the environmental situation is worsening as a result of the progressing wind and wave erosion of the coast line and intensive washout of soil, plants, trees, chemical fertilisers etc.  The article reasonably introduces the concept of technogenic natural territorial complexes (TNTC).  By Earth remote sensing, the speed of soil erosion along the whole coast line of the basin is determined.  Soil exploration and typing provided materials for a forecast model of wearing away of the coast line. The plots for geodynamic monitoring and data acquisition periods are defined.  The need for bank-protection works and a wider recreational use of the basing water is stated.

Keywords:

Satellite monitoring,technogenic natural territorial complexes,land resources,unmanned aerial vehicles,digital economy,water bodies,

Refference:

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XXI. Karpik, A.P., Geospatial Discourse in the System of Proactive Scientific Thinking [Geoprostranstvennyydiskurs v sistemeoperezhayushchegonauchnogomyshleniya [Tekst] / A.P. Karpik, D.V. Lisitskiy, K.S. Baykov, A.G. Ossipov, V.N. Savinykh // VestnikSGUGiT (Sibirskogogosudarstvennogouniversitetageosistem i tekhnologiy). – 2017. – T. 22. – №. 4. – C. 53 – 67.

XXII. Karpik, A.P., Methodological and Technological Foundations of Geoinformational Support of Territories [Metodologicheskiye i technologic heskiyeosnovygeoinformatsionnogoobespecheniyaterritoriy] [Tekst] / A.P. Karpik. – Novosibirsk: SGGA, 2004. – 250 s.

XXIII. Lisitsky, D., Digital Economy and Geoinformation Technologies [Text] / D. Lisitsky, K. Baykov, A. Osipov, A. Grishanova, V. Savinykh. – International Conference «Actual Issues of Mechanical Engineering», 2017, (AIME 2017). DOI:10.2991/aime – 17.2017.120.

XXIV. Lucas, G., Development and Testing of Geo-processing Models for the Automatic Generation of Remediation Plan and Navigation Data to Use in Industrial Disaster Remediation [Electronic resource] / G. Lucas, Cs. Lenart, J. Solymosi // Open Geospatial Data, Software and Standards, 2016, № 1:5, Published: 10 May 2016, [https://opengeospatialdata.springeropen.com/articles /10.1186/s40965-016-0006-z].

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XXXI. Seredovich V., The Forecast of Technogenic and Natural Threats Connected with Expoloiting of the Novosibirsk Water Basin [Text] / V. Seredovich, A. Dubrovskiy // Early warning and crises/disaster and emergency management. – Novosibirsk: SSGA, 2003 – C. 96–98.

XXXII. Sibly, H., Pricing and Management of Recreational Activities Which Use Natural / [Text] Hugh Sibly. – Springer link. Environmental and Resource Economics No. 18, 2001. – P. 339–354 (Resources https://link.springer.com/article/10.1023/A:1011165132180).

XXXIII. Steiniger, S., Free and Open Source GIS Software for Building a Spatial Data Infrastructure [Text] / S. Steiniger , A.J.S. Hunter // Geospatial Free and Open Source Software in the 21st Century. LNGC. Heidelberg. Springer. 2012. – Pp. 247–261.

XXXIV. Sverd, Kh., Risk Analysis and Management [Analiz i upravleniyeriskami] [Tekst] / Khans-IvarSverd // Rossiyskiy i yevropeyskiyopytispolzovaniyamodelikompleksnogoupravleniyapribrezhnoyzonoynaregionalnom imunitsipalnomurovnyakh: materialyseminara. – SPb., 2005. – 74 s.

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XXXVI. Voropayev, G.V., Water Storage Basins and their Influence on the Environment [Vodokhranilishcha i ikhvozdeystviyenaokruzhayushchuyusredu] [Tekst] / G. V. Voropayev, A. B. Avakyan. – M.: Nauka, 1986. –367 s.

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CHAOTIC MODES OF A NON-LINEAR FRACTAL OSCILLATOR

Authors:

Roman I. Parovik,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00015

Abstract:

A non-linear fractal oscillator is a generalization of a classical non-linear oscillator in consideration of the hereditary or the memory effect. The memory effect is a property of a dynamic system in which its current state depends on a finite number of its previous states. Therefore, a non-linear fractal oscillator can be mathematically described using integro-differential equations with difference kernels or fractional order derivatives.   In this paper, a fractal non-linear oscillator has been investigated to identify chaotic oscillatory modes. The quantitative measure of chaotic regimes is the largest (maximal) Lyapunov exponents. For calculating the maximal Lyapunov exponents, the Wolff algorithm based on the Gram-Schmidt orthogonalization procedure has been selected, using both numerical solutions for an initial fractal dynamical system by using variational equations. The Wolff algorithm also makes it possible to plot the spectrum of Lyapunov exponents as a function of control parameters for the initial dynamical system.  It has been shown that some spectra of Lyapunov exponents contain positive values indicating the existence of chaotic modes, which are also confirmed by the corresponding phase trajectories.

Keywords:

Maximal Lyapunov exponents,Wolff algorithm,Gram-Schmidt orthogonalization,chaotic strange attractor,boundary cycle,spectrum of Lyapunov exponents,non-linear fractal oscillator,Gerasimov-Caputo derivative,

Refference:

I. Benettin G., Galgani L., Giorgilli A., Strelcyn J.-M., Lyapunov characteristic exponents for smooth dynamical systems and for Hamiltonian systems: A method for computing all of them, P. I: Theory. P. II: Numerical application // Meccanica. 1980. V. 15. p. 9-30.
II. Caputo M. Elasticit`a e dissipazione. Bologna: Zanichelli, 1969. 150 p.
III. Flores-Tlacuahuac A., Biegler L. T. Optimization of fractional order dynamic chemical processing systems // Industrial & Engineering Chemistry Research. 2014. vol. 53. no. 13. 5110-5127.
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V. Gerasimov A.N.Obobshcheniyelineynykhzakonovdeformatsii i ikhprilozheniye k zadachamvnutrennegotreniya[Generalization of linear deformation laws and their application to internal friction problems]. AN SSSR, Prikladnayamatematika i mekhanika Journal, 1948, v. 12, pp. 529–539.
VI. Karthikeyan A., Rajagopal K. FPGA implementation of fractional-order discrete memristor chaotic system and its commensurate and incommensurate synchronisations // Pramana. 2018. vol. 90. no. 1
VII. Kilbas A.A., Srivastava H.M., Trujillo. J.J. Theory and Applications of Fractional Differential Equations. Amsterdam: Elsevier, 2006. 523 p.
VIII. Li C. et al. A new chaotic oscillator with free control //Chaos: An Interdisciplinary Journal of Nonlinear Science. 2017. vol. 27. no. 8. pp. 083101.
IX. Mainardi F. Fractional Relaxation-Oscillation and Fractional Diffusion-Wave. Chaos, Soliton& Fractal, 1996, vol. 7(9), pp.1461-1477.
X. Makarov D.V., Parovik R.I. Modeling of the economic cycles using the theory of fractional calculus // Journal of Internet Banking and Commerce. 2016. vol. 21. no S6.
XI. Meilanov R.P., Yanpolov M.S. Features of the phase trajectory of a fractal oscillator // Technical Physics Letters. 2002. vol. 28. no 1. pp. 30-32
XII. Min F., Wang Y., Dou Y. Analysis and Control of Chaotic Oscillation in Fractional-order Power System with Excitation Model // Journal of Electronics & Information Technology. 2017. vol. 8. 030.
XIII. Nasrolahpour H. Fractional Dynamics in Bioscience and Biomedicine and the Physics of Cancer // bioRxiv. 2017. 214197.
XIV. Oldham K. B., Spanier J. The fractional calculus. Theory and applications of differentiation and integration to arbitrary order. London: Academic Press, 1974. 240 p.
XV. Parovik R.I. Explicit finite-difference scheme for the numerical solution of the model equation of nonlinear hereditary oscillator with variable-order fractional derivatives //Archives of Control Sciences. 2016. vol. 26. no 3. pp. 429-435.
XVI. Parovik R.I. МMatematicheskoyemodelirovaniyenelineynykhereditarnykhostsillyatorov [Mathematical Modeling of Non-linear Hereditary Oscillators].Petropavlovsk-Kamchatsky, Vitus Bering KamGU Publ., 2017. 135 p.
XVII. Parovik R.I. Mathematical modeling of nonlocal oscillatory Duffing system with fractal friction // Bulletin KRASEC. Physical and Mathematical Sciences. 2015. vol. 10. no 1. pp. 16-21.
XVIII. Parovik R.I. Ob issledovaniiustoychivostiereditarnogoostsillyatora Van-der-Polya[On research of the van der Pol hereditary oscillator stability].Fundamental’nyyeissledovaniya Journal, 2016. No. 3-2, pp. 283-287.
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XXVII. Wolf A. et al. Determining Lyapunov exponents from a time series // Physica D: Nonlinear Phenomena. 1985. vol. 16. no. 3. pp. 285-317.

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BLOOD CHEMISTRY VALUES AND HISTOLOGICAL FEATURES OF THE GASTROINTESTINAL TRACT IN YOUNG RABBITS WHEN USING PROBIOTIC AGENTS IN FEEDING DIETS

Authors:

Natalya M. Derkanosova,Elena E. Kurchaeva,Alexander V. Vostroilov,Lyubov G. Khromova,Igor V. Maksimov,Evgeny V. Mikhaylov,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00016

Abstract:

Probiotic complexes that produce a stimulating effect on an animal’s body, normalize intestinal microbiocenosis and improve resistance of an agricultural animal’s body are widely applied to increase meat production of animals. The purpose of the studies was to examine blood chemistry values of fattening rabbits with inclusion of Vetom 3.0 probiotic supplement into the diet and effect on histological features of the gastrointestinal tract of young rabbits. The effect of Vetom 3.0 biologically active supplement that contains Bacillus amyloliquefaciens strain VKPM B-10642 produced on the basic blood chemistry values and histological structure of the stomach and liver in rabbits was examined. 2 (experimental and control) groups were formed with 10 chinchilla rabbits aged 60 days in each group. Experimental animals were given Vetom 3.0 probiotic supplement once a day at the dose of 75 mg/kg live weight for 60 days. Study of blood composition evaluates an animal’s condition and gives a general idea of environmental adjustment. It also allows us to observe different changes that take place in an animal’s body when it is fed and managed evaluating its total physiological condition. The greatest increase of total protein, albumin and globulin content was noted in an experimental group following 60 days, increasing the non-specific resistance and activating mineral exchange. According to histological studies, the use of Vetom 3.0 probiotic in young rabbits produces a positive effect on the structural organization of the stomach and liver and prevents dystrophic processes

Keywords:

Probiotic agent,blood chemistry values,protein exchange,gastro-intestinal tract structural organization,

Refference:

I. 4.Trubchaninova N. S., Prokhodnya G.S., Fedorchuk E. G., Eremenko E. P., Zdanovich S. N. Use of HydroLactiV probiotic in diets for rabbits// Bulletin of the Kursk State Agricultural Academy. 2014. No. 1. P.49-51.

II. Chernenkov E. N., Mironova I. V., Gizatov A. Y. Effect of Biogumitel probiotic on the hematological values in rabbits//News of OGAU. 2015. No.3 (53). P.203-205.

III. Effect of probiotic bacterium on growth and biochemical parameters of shrimp litopenaeusvannamei Sandeepa.MG1* and Ammani.K2 International Journal of Recent Scientific Research Research Vol. 6, Issue, 2, pp. 2871-2875, February, 2015

IV. Effect of probiotic supplementation on growth performance, nutrient utilization and carcass characteristics of growing Chinchilla rabbits. R. S. Bhatt, A. R. Agrawal, A. SahooJournal of Applied Animal Research.2017; 45(1): 304. Doi:10.1080/09712119.2016.1174126.

V. Effects of probiotic supplement (Bacillus subtilis and Lactobacillus acidophilus) on feed efficiency, growth performance, and microbial population of weaning rabbits Thanh Lam Phuoc and UttraJamikorn, Asian-Australas J AnimSci Vol. 30, No. 2:198-205 February 2017. doi.org/10.5713/ajas.15.0823. pp. 198-205.

VI. Gorkovenko L. G. Effective use of Bacell-m diet probiotic supplement in rabbits. – Gorkovenko L. G., Yurina N. A., Omelchenko N. A., Omelchenko N. N. – Kubam veterinary medicine. 2016. No. 1. P. 19-21.

VII. Karabanova L. V., Efremov A. P., Knaub A. S., Narits A. S. Morphological blood values in young rabbits of different breeds as a factor of physiological condition.//Bulletin of OmGAU. 2014. No.4 (16). P.31-33.

VIII. Khazimukhametova I. F. Effect of Hemobalance on rabbits/ Khazimukhametova I. F., Vasilieva I.A., Shishkina E. A. – Achievements of science and technology of the agricultural sector. 2013. No. 8. P. 57-59.

IX. Kotsubenko A. A. Morphological and biochemical blood values of rabbits grown using different technologies. – Bulletin of the Novosibirsk State Agricultural University. 2013. No.1 (26). P. 57-61.

X. Kravtsova O. A. Effect of Selerol with microelement salts on the morphological values of blood and weight of rabbits. – Ural Agricultural Bulletin. 2013. No. 3 (109). P. 24-26.

XI. Lesnyak A.N., Dobudko A. N. Effective growing of rabbits under different care conditions in the Central Black Earth Region//Bulletin of BUNK. 2006. No. 3 (18).- P. 93–94.
XII. Methods of morphological studies. Edition 2, revised and enlarged./Suleymanov S. M. et al. GNU VNIVIPFiT. – Voronezh, 2007. – 87 pages.

XIII. Mironova I. V. Blood values in rabbits when Biogumitel probiotic supplement is included into a diet. – Mironova I. V., Chernenkov E. N., Chernenkova A.A. – News of the Orenburg State Agricultural University. 2017. No. 1 (63). P. 212-215.

XIV. Mironova I. V., Chernenkov E. N. Natural resistance of rabbits fed with Biogumitel probiotic supplement// News of OGAU. 2017. No. 1 (63). P.115-117.

XV. Nozdrin G. A. Morphological and biochemical blood values in rabbits when using Veles 6.59 probiotic/ Nozdrin G. A., Gromova A. V., Ivanova A. B., Nozdrin A. G., Lelyak A. A. //Achievements of science and technology of the agricultural sector. 2012. No. 10. P. 53-55.

XVI. Physiological, biochemical and biometric normal values in experimental animals. Guide. SPB: LEMA, 2013.- 116 p.

XVII. Productive performance of broiler rabbits fed diets supplemented with probiotic and enzymes under two systems of housing* Sarat Chandra1 , M. Mahender, M. GnanaPrakash, T. Raghunandan and K. Kondal Reddy – Indian J. Anim. Res., 48 (4) : 355 – 361, 2014. Doi:10.5958/0976–0555.2014.00455.5

XVIII. Skryabin S. O. Effect of Vetoma 1.1 and Enterocyn probiotics on the production indices in rabbits. – Rabbit and animal breeding. 2010. No. 5. P. 16-17.

XIX. The Influence of the Probiotic “Rescue Kit” On the Growth and Development of Accelerated Rabit Youngsters under the Conditions of Northern Kazakhstan. Laura M. Burshakbayeva, Yessenbay I. Islamov, NurlybayZh. Kazhgaliyev, Makhabat B. Saginbayeva, and Sansyzbay S. Rashitov.- Research Journal of Pharmaceutical, Biological and Chemical Sciences. – May – June 2016 RJPBCS 7(3) Page No. 1575- 1585.

XX. Vorobyov A. V. Veterinary and sanitary values of rabbit meat affected by experimental biological agents// Issues of veterinary sanitation, hygiene and ecology. 2012. No. 1. P. 210-215.

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EVALUATING TECHNICAL LEVEL OF COMPLEX TECHNICAL SYSTEMS

Authors:

Sergey S. Semenov,Alexander V. Poltavskay,Alexander A. Burba,Andrey N. Polokhov,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00017

Abstract:

In conditions of keencompetition in the markets for goods and services, a huge emphasis is put on the stages of subject-wise planning, issuing design specification, and front-end engineering designwhen manufacturing new products. These stages are primarily responsible for the key technical and economic products’ characteristics that directly identify the product conceptual design and marketability. Current information and analytical systems (IAS)that dictate a choice of perspective directions to develop newly created products and their most preferred specimens basically use knowledge of experts about the value of estimation indicators. The latter usually serve as a basis for opting the best specimens of the newly designed technical systems. Evaluation of quality and technical level (TL) of complex technical systems using the created IAS often involves value functions (for instance, Fishburn function), which imply that a dialogue with a decision-maker (DM) produces information about his views of “value systems” or “preference systems”, used to construct value functions. Developers of new products experience considerable difficulties in choosing a value function of estimation indicators when working with IAS. The paper proposes to determine a value function for numerical indicators using the newly designed information model, based on expert estimations consistent with estimation of truck TL. A technical device and algorithm to determine value functions of unit estimation CTS indicators were developed according to the method. An invention was registered, and a patent was issued. The method also implies taking random factors into account when evaluating CTS TL for, as an example, “reliability” as the key estimation indicator.Two patents of the Russian Federation were obtained for invention of a time digitizer and a device for estimating effectiveness of various systems through sampling random values. The suggested method of generating a value function enables a scientist to choose the type and nature of a value function that will allow to increase the degree of CTS TL evaluation reliability, and optimize the cost of obtaining initial information when predicting CTS reliability due to evaluation of adaptive digitalizationof random processes initiated in IAS. The paper materials may be of service to designers of complex systems at the initial stages of developing thereof in evaluating possible alternatives of CTS implementation, and determining TL at all stages of CTS life cycle.

Keywords:

Complex technical systems (CTS),information and analytical system (IAS), value functions, unit estimation indicators,technical level,concordance coefficient,random process,digitalization,reliability,

Refference:

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II. BurbaA.A. Adaptivetimedigitizer // PFPatentNo. 2583707, 2016 / БурбаА.А. Адаптивный временной дискретизатор // Патент РФ № 2583707, 2016.
III. BurbaA.A.,PoltavskiyA.V., KhripunovS.P. Device to evaluate effectiveness. Patent No. 2178201, application 16.04.2001, published on 10.01.2002, IPCG06F 17/18/ БурбаА.А.,ПолтавскийА.В., ХрипуновС.П. Устройстводляоценкиэффективности. Патент № 2178201, заявл. 16.04.2001 г.,опубл. 10.01.2002 г. МПKG06F 17/18.
IV. BurbaA.A., Semenov S.S., Shcherbinin V.V. Device to determine value function of unit estimation indicators of complex technical systems. PatentNo.2445687, application 02.12.2010, publ. 20.03.2012. Bul. No.8, IPCG06F 17/90 / БурбаА.А., Семенов С.С., Щербинин В.В. Устройство для определения функции ценности единичных оценочных показателей сложных технических систем. Патент № 2445687, заявл. 02.12.2010 г.,опубл. 20.03.2012 г. Бюл. № 8, МПKG06F 17/90.
V. DedkovV.K. Pronikov A.S., TerpulovskiyA.N. Reliability of complex technical systems. Methods of determining and ensuring reliability of industrial products. Under editorship of G.N. Bobrovnikov. – М.: Academy of National Economy, 1983. – 120p./Дедков В.К., ПрониковА.С., ТерпуловскийА.Н. Надежность сложных технических систем. Методы определения и обеспечения надежности промышленной продукции. Под ред. Г.Н. Бобровникова. – М.: АНХ, 1983. – 120 с.

VI. Dixon, John R. Design Engineering: Inventiveness, analysis, decision-making: Translation from English – M.: Mir, 1969. – 440p./Диксон Д. Проектирование систем: изобретательство, анализ, принятие решений: Пер. с англ. – М.: Мир, 1969. – 440 с.
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FUZZY SWOT-ANALYSIS IN THE DEVELOPMENT OF THE IMPLEMENTATION STRATEGIES FOR CLOUD TECHNOLOGIES

Authors:

Alexandra A. Zakharova ,Sergey V. Razumnikov,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00018

Abstract:

The relevance of the research issues is due to the popularity of implementation of cloud technologies within enterprises. The decision on implementation becomes strategic, as it is often associated with major changes in the business processes and infrastructure of the company, the implementation of these decisions requires financial resources, and the consequences of wrong decisions can be critical to the survival of the company. The purpose of the article is to undertake a SWOT-analysis of strategic directions on the basis of fuzzy decision-making models for the formation of strategy and setting tasks in implementingthe cloud technologies. The leading approach to the study of this issue is fuzzy SWOT-analysis used to justify strategic decisions in implementing the cloud technologies. The results of practical application to develop an implementation strategy for the cloud technologies at PJSC “Rutelecom” are presented in the study. Fuzzy SWOT-analysis results enabled estimates of the importance related tosome factors of the external and internal environment, as well as their combinations, to take them into account in the formation of the strategy of cloud technology implementation. The paper discusses the main strategic directions, based on the analysis, as well as the target-setting for the next stages of development of the strategy of PJSC “Rutelecom”. The study presents the research results based on the possibility of using fuzzy SWOT-analysis to form a strategy and set tasks for the implementation of cloud technologies. The materials of the article can be useful for enterprises planning to implement cloud technologies in their activities to justify their application, reliability and value, as well as researchers in the field of strategic management, fuzzy systems and cloud technologies.

Keywords:

Cloudtechnologies,strategy,fuzzymodels,SWOT-analysis,decision-making, risks,information security,efficiency,methods,assessment,factors of external and internal environment of the enterprise,

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ANALYZING THE PROCESS OF CHANNEL DEFORMATIONS IN THE VARIABLE-BACKWATER ZONE OF PLAIN RESERVOIRS(BY THE EXAMPLE OF THE KAMA RESERVOIR)

Authors:

Svetlana A. Dvinskikh,Adeliya A. Shaydulina,Aleksandr B. Kitaev,Aleksandr T. Zinov`ev,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00019

Abstract:

The paper deals with the specific features of hydrological regime of valley reservoir in the variable-backwater zone. The emphasis is on the level regime, used to identifythree sections within the zone in question: upstream section (river conditions prevail), midsection (there are both river and reservoir conditions), downstream section (basic reservoir conditions). The distinctivecharacteristicsofvelocitieswithintheidentifiedsectionswereassessed through analyzing actual velocities and comparing them with the scouring ones. A non-dimensional coefficient was suggested that exhibits tendencies in the processes of transforming water facility basin. 3D hydrodynamic model was designed using Navier-Stokes equations. It takes into consideration turbulent exchange, special features of hydrological regimeof a reservoir and grain size of sediments.Model testing using actual material showed that it can be utilized for applied purpose: to design the navigable channel project and forecast the reservoir basin topography in the variable-backwater zone.

Keywords:

Reservoir,variable backwater,modelling,water level,velocities,direction of flows,grain-size analysis,bed sediments,basin topography/relief,

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STRUCTURING OF POLYMINERAL HIGHLY CONCEN-TRATED POLYDISPERSION SYSTEMS BASED ON OR-GANIC BINDERS

Authors:

Eduard V. Kotlyarsky, Naum B. Uriev, Yury E. Vasilev3, Vladimir I. Kochnev,Igor Yu. Sarichev,

DOI:

https://doi.org/10.26782/jmcms.spl.10/2020.06.00020

Abstract:

At present, the quality of bitumen-mineral mixtures both,inRussia and abroad, is estimated by a set of empirical methods based on many years of experience in using asphalt concrete in road building. Numerous attempts havebeen made over the years to theoretically substantiate the basic behavior patterns of the material under the influence of various factors. Thus, the creation of optimal conditions for the formation of microstructural contact bonds in a highly concentrated polymineral polydispersion system significantly contributes to the formation of asphalt mixes with necessary processing properties and asphalt concrete with required transport and performance characteristics. The article describes the solution of this problem according to the basic provisions of physical chemical mechanics of highly concentrated dispersion systems, taking into account peculiarities of contact interactions. The studies have allowed finding the quantitative correlations of indicators of physical mechanical and structural rheological properties being formed at compaction of bitumen mineral mixes as well as quantitative connections between formative and destructive factors with structural mechanical and construction technical properties of asphalt in road coverings.It has been established that the structural changes in asphalt concrete in road coverings under the influence of operational factors are physical chemical in nature and reliably described, taking into account the basic provisions of physical chemical mechanics and the theory of contact interactions.

Keywords:

Bitumen mineral mixes,structuring,contact interactions,physical chemical and structural rheological properties,

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