The article discusses an approach to identifying the uncertainty of initial information based on the theory of fuzzy logic. A system of criteria for initial information is proposed, calculated on the basis of the inpu...
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Multi-zone heating furnaces are extremely time-varying plants with high energy consumption, for which the task of energy efficiency improvement is of high importance. Most of the known adaptive and optimal control met...
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The problems of trolley position tracking and stabilization of the suspended load are solved simultaneously for an overhead crane. The model of the trolley-pendulum system is derived. To solve the problem under consid...
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The implementation of the base components of neuro-like cryptographic data protection systems using FPGA is considered. The structure of the data encryption module using polynomials based on a neuro-like network was d...
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The implementation of neuro-like data encryption using polynomials is considered. The structure of the device was developed with the usage of the base operation of neuro-like data encryption. The base operation of dat...
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Article discusses the issues of creating models and methods for detecting contours in images in controlsystems and automation of technological processes and objects based on computer vision technologies. An approach ...
Article discusses the issues of creating models and methods for detecting contours in images in controlsystems and automation of technological processes and objects based on computer vision technologies. An approach based on the construction and analysis of image weight models is proposed. This approach involves performing a discrete wavelet transform of the image and calculating weight values based on the detailing coefficients to assess the significance of changes in the pixels of copies of various levels of decomposition. The set of weight values is a weight model. Since significant changes are characteristic of contour points, the analysis of weight models makes it possible to detect them in images. It is also shown that the application of the Canny detector to the image weight model reduces the sensitivity to noise and the complexity of selecting the lower and upper thresholds.
Multilayer printed circuit boards are widely used in the development of modern electronic devices. But for their effective use it is often necessary to solve problems of electromagnetic compatibility. The application ...
Multilayer printed circuit boards are widely used in the development of modern electronic devices. But for their effective use it is often necessary to solve problems of electromagnetic compatibility. The application of interconnections of multilayer printed circuit boards in the form of twisted pairs is considered. Structurally, a twisted pair is implemented in two layers of a multilayer printed circuit board using vias. The paper analyzes electromagnetic crosstalk in the interconnections of multilayer printed circuit boards in the form of twisted pairs. The results are compared with the results of crosstalk analysis in coplanar interconnects. The results of the comparison show that the use of twisted pair leads to a reduction in crosstalk at the far end of the communication line.
The article considers the solution of one of the main tasks of modern mechanical engineering which is the modeling of modern production systems in the field of engineering. The choice of type of production system mode...
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In this article, we outlined the goals and prospects for short- and long-term data traffic forecasting in 5G networks. The study provides an overview of current traffic forecasting methods. A large number of works ind...
In this article, we outlined the goals and prospects for short- and long-term data traffic forecasting in 5G networks. The study provides an overview of current traffic forecasting methods. A large number of works indicate a variety of approaches to the analysis and forecasting of mobile traffic. These approaches include both traditional statistical methods and deep learning methods, which is an important factor for the development of network technologies and optimization of radio access networks. Using mobile traffic data from Google Meet, MS Teams and Zoom video conferencing systems as an example, we studied the features of this type of traffic and came to the conclusion that the distribution of time intervals between the arrival of packets corresponds to an a-stable distribution. Having studied some machine learning methods designed for time series forecasting, we performed a comparative analysis of the effectiveness of these methods for short-term forecasting of data traffic intensity.
A frequent cause of violation of the noise immunity of modern electronic means are microsecond, nanosecond impulse interferences on the power supply network or dynamic voltage changes. These tasks are especially relev...
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