Typical errors in modern enterprise business processes arisе from incorrect construction of business operation sequences. The impact of errors in business processes on the performance of the engineering infrastructure is studied. The problem complexity requires the creation of a business processes integrated model and technical object models. The paper considers the principles of creation and features of the presented model.

The study focuses on the stages of implementation and development of smart villages, which are digital technologies for agriculture that increase efficiency and productivity in this area. We uncovered the stages of development of smart villages, then we looked at what is included in the Internet of Things within a smart village. After that, we looked at the specific digital solutions for agriculture and the purpose of smart village. As part of the study, we analyzed a number of indicators characterizing the development of the sphere of agriculture and its prospects. As the results of the study, we constructed and analyzed correlation matrices of indicators.

This paper presents the results of building quadratic and cubic approximations of a non-linear space state single-machine power system model. The synchronous generator model accounts for the action of an automatic excitation regulator, a power system stabilizer, and damper windings. The approximations developed are useful for analytical studies of non-linear modal interactions in power systems with linear and bilinear control.

We propose a simple method for diagnosing pneumonia from x-rays using Anderson discriminant function and posterior class probabilities.

This paper presents research on applying the user identification subsystem for industrial automation systems. Within the framework of this study, we propose software and hardware architecture for the analysis of the effectiveness of identification systems using the browser fingerprints, including a backend server with SQL database and software modules for the analysis and visualization of the data collected. The results of the experiment show that modern frameworks and modules can be used for user identification in industrial automation systems. However, additional verification procedures for user control and management system are required. The maximum average accuracy of user identification based on their integrated browser fingerprint increases with the total number of authorizations (up to 92-93% at the end of the experiment), with almost no new fingerprints generated.