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Asynchronous electric drive with indirect control of output variables
Annotation: The article provides a mathematical description of an induction motor with a device for indirect control of the electromagnetic moment and angular velocity of an induction motor in an electric drive, which allows substantiating on its basis a method for controlling the output variables of an asynchronous electric motor. A simulation model of an induction motor with an indirect control device for the output variables of an induction motor and the main results of the study are presented.
Author: А.D. Umurzakova, N.А. Voronina, A.А. Kamenov
Year of release: 2019
Number of the journal: 4(76)
Heading: Technical sciences and technologies
Keywords: an asynchronous motor, an electric drive, indirect control, phase voltage, simulation model
Development of web-site interface on WordPress platform
Annotation: The article discusses the advantage of WordPress CMS platform for web site development. The development of the interface of the website of the online store and the software code related to the functional part of the site is described. It also shows the activation, installation and configuration of the plugin. The article analyzes the latest technologies for creating an online store based on the site and mobile application.
Author: T.M. Saliy, M.C. Buev
Year of release: 2019
Number of the journal: 4(76)
Heading: Technical sciences and technologies
Keywords: interface, web development, website, system files, database, program code
Development of technology for the purification of water from mercury pollution
Annotation: The object of the study was water and bottom sediments of the lake Balkyldak of Pavlodar region, contaminated by mercury wastes.The purpose of the work is the creation of innovative cost-effective technologies for deep cleaning of aqueous media from mercury to the level of 1-10 parts per trillion, which will be tested for the cleaning of the lake Bylkyldak facilities in Pavlodar region.
Author: Ye.B. Nikitin, S. Michalovsky, Sh.Sh. Khamzina
Year of release: 2019
Number of the journal: 4(76)
Heading: Technical sciences and technologies
Keywords: mercury, silver, nanoparticles, aqueous media, immobilization, removal, composite materials, zeolites
Building an optimization model energy-efficient mode of functioning energy-intensive production based on a fuzzy genetic algorithm
Annotation: The article is devoted to solving the optimization problem of finding an energy-efficient mode operation of one of the types of energy-intensive industries with the properties nonlinearity, inertia, and isolation. An optimization model based on a genetic algorithm is considered as a solution method. Moreover, the calculation of the fitness function for the selection of chromosomes is proposed to be calculated on the basis of fuzzy logic
Author: N.М. Zaytseva
Year of release: 2019
Number of the journal: 4(76)
Heading: Technical sciences and technologies
Keywords: optimization task, energy efficiency, mode of operation, information technology, modeling, genetic algorithm, fuzzy logic
The theoretical basis for the use of Petri nets in the simulation of enterprise logistics system
Annotation: The paper is devoted to solving logistics problems based on information technologies. Petri net-based modeling is proposed as a solution method. The paper describes solution of the problem of supply chain management based on the Petri net.
Author: N.М. Zaytseva, А.Т. Каpsаlykоvа
Year of release: 2019
Number of the journal: 4(76)
Heading: Technical sciences and technologies
Keywords: logistics, logistics problems, solution method, information technology, modeling, petri networks