Using Edge AI and Language Understanding for Predictive Modeling of Acute Medical Intoxications

This paper presents a new approach to processing and categorization of text from patient documents in Bulgarian language using Natural Language Processing and Edge AI. The proposed algorithm contains several phases - personal data anonymization, pre-processing and conversion of text to vectors, model training and recognition. The experimental results in terms of achieved accuracy are comparable with modern approaches.

Measurements that matter with hybrid model of estimation

The biggest challenge of delivering projects on time, especially in the field of Telecommunication, is proper planning and correct estimation of the effort. Such estimations while different phases of the development could be extremely thorny and easily can jeopardize final goals and handover on time. Thus, in this paper, the proposed approach of Hybrid model estimation is to reduce such unlike stakes and give a clear definition of “how needs to be done” with regular estimations transferred to Story Points.

The Heat Pump Systems – an Option for Energy Efficiency and Innovation of Technologies

The report refers to the wider practical application of heat pumps in terms of rational use of energy resources; energy efficiency; environmental efficiency and technology innovation. Energy conservation, reduction of carbon footprint in energy production and consumption and technology innovation are global issues. The paper focuses on low potential energy sources needed to heat pumps, types of heat pumps, main guidelines and challenges when using heat pumps and the experience of experts from the Bulgarian school.

Predictive Model of Multipath Effect Contribution to GNSS Positioning Error for GNSS-based Applications in Transport and Telecommunications

Global Navigation Satellite System (GNSS)-based applications rely on the quality of the GNSS position, navigation, and timing (PNT) services, accomplished through measurement and processing of satellite signals propagation characteristics in a process commonly known as satellite navigation. GNSS positioning performance is in the foundation of the quality of service of GNSS-based applications including the growing number of them in transport, traffic and Intelligent Transport Systems segments, thus a need for a common and independent approach. Here, we propose a novel method for the assessment of the contribution of a single cause to the over-all GNSS positioning error. Proposed method is demonstrated in the case of the GNSS multipath effects, resulting with the experimental predictive model of the direct multipath contribution to GNSS positioning error. The predictive models developed in this research is aimed at deployment in the GNSS positioning performance assessment for GNSS-based applications in transport and telecommunications.

Accuracy Investigation of FDM, FEM and MoM for a Numerical Solution of the 2D Laplace’s Differential Equation for Electrostatic Problems

Laplace’s differential equation is one of the most important equations which describe the continuity of a system in various fields of engineering. As a system gets more complex, the need for solving this equation numerically rises. In this paper we present an accuracy investigation of three of the most significant numerical methods used in computational electromagnetics by applying them to solve Laplace’s differential equation in a two-dimensional domain with Dirichlet boundary conditions. We investigate the influence of discretization on the relative error obtained by applying each method. We point out advantages and disadvantages of the investigated computational methods with emphasis on the hardware requirements for achieving certain accuracy.

Context-Matching Method as a Transformation Paradigm Between Position and Location Domains in Location-Based Services

A two-domain approach involving position and location has been introduced to provide a formal description needed for optimal organization of information processing for utilization in Location-Based Services development and operation. This paper proposes the transformation that connects the two domains (position and location), outlines its formal description, and validates the concept using the Context-Matching method as a paradigm.

Data Binding in Front End for Web Applications

In this study, Data Binding is discussed. However, in Web technologies, data binding on the front end comes to the fore. That is, it should not be affected by the development of interventions to be made in a department, and it should be aimed to be freed from software. This is a requirement of the rules for a minimal plugin that will not burden the correct code, and it has to maintain itself as renewing itself. The application part is written in JavaScript. The work done is also available to be added to other applications as a library. "Real software applications" as Data Binding are written with this object for the purpose of interconnecting.

New EMC Effects with Multi-layered Type of EM Shield

Electro-magnetic interference is one of the biggest problems which hinder electrical and/or electronic devices from operating efficiently in addition to the negative impact it can have on environment. However, with proper shielding, unwanted electromagnetic interference can be substantially reduced, hence to achieve better EM compatibility among devices and avail safer environment. This paper presents multi-layered electromagnetic shield design analysis by considering different scenarios. The analysis is based on simulation done using MATLAB

Starting Processes in Electric Drive of a Passenger Elevator

During the operation of electric induction motors used to drive passenger elevators, electro-mechanical transient processes occur, which can cause unacceptable dynamic loads and vibrations. In this regard, research is needed both at the design stage and for operating elevator systems to determine the arising impact currents and torques, in order to propose solutions for their limitation within pre-set limits. Paper deals with starting processes in a two-speed induction motor drive of a passenger elevator. The equations for the voltages of the induction motor are presented in relative units in a coordinate system rotating at a synchronous speed. The values have been obtained for the torques, the rotational frequencies and the currents when starting at a high speed and passing from high to low speed.

Feasibility of Small Wind Turbine via Net Metering in Greek Islands

The evaluation of a small 3kW wind turbine through the net metering scheme is studied in this article. 14 near to sea locations in Greece examined with the help of the RetScreen expert software. The simulations based on electrical, financial and environmental criteria. Siros with average wind speed of 6.93 m/s is the most attractive area while Iraklion is the least attractive location. According to the results the simulated project is already economically sound and a small wind turbine in the Greek islands will become a progressively an even more financially source of electricity in Greece. Finally yet importantly is the fact that the use of small wind turbines has as a result that significant amount of Greenhouse gases do not reradiate into the topical atmosphere.