05.00.00 Technical science
-
SAFE OPERATION OF INDUSTRIAL THERMAL AGGREGATES
DescriptionThe article is devoted to ensuring safe operation of industrial thermal aggregates of low power. The problem of ensuring trouble-free operation of power stations on the channel of control of a flame is considered. The main attention is paid to the requirement of speed of control of a flame. The reasonable method of calculation of the lower temporary parameter of operation of system of automatic protection on the researched channel is for this purpose given. At the same time, parameters of fuel-air mix of gases in furnace amount, design features of the furnace aggregate, thermal losses which accompany explosion in a fire chamber of the power station are considered
-
PROVISION OF INFORMATIONAL SECURITY IN COMPUTER NETWORK OF AN ENTERPRISE
DescriptionMeans of information safety of a hardware-software complex of the computer network of an enterprise play an important role at the realization of the general strategy and tactics of the enterprise safety. Uninterrupted operation and stability of a program work and hardware maintenance, confidentiality of the personal information, a degree of protection against non-authorized access depend on competent realization of the accepted policy in the field of information safety for observance of commercial interests of an enterprise. Results of the problems analysis of information safety at use of information technologies are presented in this paper.
-
PROVIDING INFORMATION SECURITY OF DATA-PROCESSING NETWORK WITH USE OF INTELLIGENT SYSTEM
DescriptionThe article is devoted to creation of intelligent management system of complex data-processing network. This is caused by the fact that modern telecommunication hardware generates growing amount of statistic information. Expert system is offered to be used in management of networks for the purpose of information security
-
DATA STREAMING FROM LAN WITH NAT
DescriptionIn this article, different types of NAT, which can be used in case of data streaming, are described. Also, different NAT traversal solutions suitable for data streaming are presented
-
DATA INTEGRITY IN THE AUTOMATED SYSTEM BASED ON LINEAR SYSTEMS HASHES
DescriptionTo protect your data (data integrity) in the automated systems, we provide a solution of the problem, which is to reduce redundancy control of information (hash codes, electronic signatures). We impose restrictions on the maximum number of violations of the integrity of the records in the data block. It is known, that with an increase in data protection the amount of control information (coefficient of redundancy) also increases. We introduce the concept of linear systems of hash codes (LSHC). On the basis of the mathematical apparatus of the theory of systems of vectors we have developed an algorithm for constructing LSHC, which allows (for a given level of data protection, i.e. integrity) to reduce the redundancy of the control information. Rules (principles) of building LSHC comply with the rules of construction in coding theory (Hamming codes). The article provides an algorithm for data integrity in LSHC. The use of algorithms ensures the necessary level of data protection and the requirements specification of customers
-
OVERVIEW OF TYPES AND METHODS OF INFORMATION SUPPORT AUTOMATION IN THE SYSTEM INTEGRATION SPHERE
DescriptionSystem integration, as a kind of information technology, ensures that a range of services aimed at the implementation of integration tasks and divided into several types, including: horizontal, vertical, distributed and core data format. In addition, this type of activity has a number of different implementation methods and occupies a significant share of the IT market, having a great set of tools of the organization, allowing optimizing the performance of the tasks by optimizing the processes of project management and control, performed by various information systems. The lack of industry tools to consolidate the functionality involved in the full cycle of project implementation in the sphere is an important omission, adversely affecting the speed and quality of implementation of tasks. In this regard, there is need for a new approach to the automation of processes, and ensure information activities aimed at the solution of problems on the integration of information systems and their components, from the stage of task definition and ending with a commercial operation stage with further lifecycle support
-
Description
The transportation process plays an important role in the delivery of agricultural products to the consumer. On how well the fruits are preserved, their grade will depend, and, consequently, the price of them. It is known, that the annual damage from losses of agricultural products in the agro-industrial complex amounts to 8 billion rubles, according to various estimates. A large number of different factors affect the safety of fruits during transportation: temperature, humidity, smoothness of the vehicle, type of container, etc. The more factors will have a negative impact on fruit and vegetable products, the more losses will ultimately be. The appearance of dents and abrasions on the fruits gives rise to the formation of foci of rot, leading to damage to the transported products, and, as a consequence, reducing the grade. In order to reduce the losses of fruit and vegetable products in the process of transportation, the USSR and the Russian Federation have been and are working on the creation of containers and ways of transporting pomegranates. All of them, according to the authors, are able to reduce the dynamic loads that arise during the transportation process and have a negative impact on the transported products. However, due to various circumstances in commercial gardening all these developments have not been extended
-
A REVIEW OF THE CURRENT ELEMENT BASE WITHIN THE CONCEPT OF SMART GRIDS
DescriptionEnergy complex of the country is a collection of electrical installations high and low voltage, producing, transforming, transporting, distributing and consuming electricity. A huge web of networks and more than 700 generating plants with a total capacity of about 230 GW [1]. Almost 90% of this potential is formed in a unified technical complex of the Unified energy system (UES) [2]. Now there is a deterioration of the performance of the sector. In comparison with 90-mi years of XX century, more than 1.5 times increased power losses in the power grids. Significantly increased the proportion of obsolete electrical and auxiliary equipment, and the load on the network every day only increase. All speaks of the necessity of both local and global modernization of the electric power complex of the country and the creation of a new concept of consumption management and energy distribution in the network. In the framework of the energy strategy of the Government of the Russian Federation dated 13 November 2009 # 1715-R, to improve handling and ensure reliable operation of electric power systems, wider introduction of flexible transmission system (FACTS devices) and improvement of systems of automatic emergency protection and dispatching control [1]. The development of electric power complex of the country should be in the way of intelligent networks. This is possible through the use of modern components that can make the process of managing "intelligent". In foreign literature, this term is called the Smart Grid
-
CLOUD COMPUTING FOR SMALL AND AVERAGE BUSINESSES
DescriptionData of status and prospects of cloud computing for small and average business, as well as platform requirements for these purposes is stated
-
Description
The article presents a perspective cloud federation data storage