In the education process, students face problems with understanding due to complexity, necessity of abstract thinking and concepts. More more educational centres around world have started introduce powerful new technology-based tools that help meet needs diverse student population. Over last several years, virtual reality (VR) has moved from being purview gaming professional development. It plays an important role in teaching providing interesting engaging way acquiring information. What...

Abstract This paper introduces, explains and illustrates real-life application of virtual training tool for electrical engineering education. The gives users the opportunity to interact with manipulate 3D models authentic devices. have a possibility compare structural differences between devices, assemble disassemble machines test them under extreme conditions, all which would not be possible while working real device. devices are fully operational allowing on every level, including analysis...

A new version of the biogeography-based optimization algorithm is proposed in order to consider multiple objectives. In fact, by exploiting non-dominated sorting habitats, it possible approximate Pareto-optimal solutions objective space. The optimal shape design an electrostatic micromotor, which a benchmark Micro Electro-Mechanical Systems design, considered as case study.

The paper deals with a multi-objective optimization method inspired by island biogeography. Specifically, non-linear model of migration is proposed: sinusoidal law rules both immigration and emigration curves in order to match the natural behaviour which observed habitat. op timal shape design an electrostatic micromotor, benchmark MEMS design, considered as case study.

The goal of this research is to integrate Virtual Reality (VR) with the bilateral stimulation used in EMDR as a tool relieve stress. We created 15 minutes relaxation training program for adults virtual, relaxing environment form walk woods. target platform HTC Vive, however it can be easily ported other VR platforms. An integral part set sensors, which serves physiological measures evaluate effectiveness such system. What more, system visual (passing sphere), auditory (surround sound) and...

Current transducers/transformers have a significant impact on the overall accuracy of measuring system used for electrical power metering and current measurement, especially in non-sinusoidal conditions. This research concerns an evaluation Rogowski coil combined transducer distorted digital meter. It covers characterization their influence conditions similar, at present, to high RMS value order ensure required test scenario equipment designed network purposes. has been established that...

ABSTRACT A method for the optimal design of special transformers is proposed; it based on machine learning models, which, in turn, are informed by a sequence magnetic field analyses. The leakage reactance transformer considered as case study. results show that surrogate models amenable to artificial neural networks (ANNs) able approximate dependence winding geometry, eventually reducing computational burden automated problems this class transformers. Moreover, deep approach Convolutional...

One of the most common methods carbon nanotubes (CNTs) synthesis is application an electric-arc plasma. However, final product in form cathode deposit composed and a variety impurities. An assay produced arc discharge systems available on market shows that commercial deposits contain about 10% CNTs. Given quality depends carbon-plasma jet parameters, it possible to increase yield by plasma control. Most are multiwall (MWCNTs). It was observed addition catalysts significantly changes...

Abstract The aim of the paper is to assess applicability a multi-objective biogeography-based optimisation algorithm in MEMS synthesis. In order test performances proposed method this research field, optimal shape design an electrostatic micromotor, and two different electro-thermo-elastic microactuators are considered as case studies.

The aim of this paper is to present the results investigation into applications carbon nanotubes with ferromagnetic nanoparticles as nanoheaters for targeted thermal ablation cancer cells. Relevant nanoparticles’ characteristics were exploited in terms their functionality biomedical and magnetic properties examined determine heat generation efficiency induced by exposure particles an alternating field. influence electromagnetic field on human body tissues was assessed, providing quantitative...

Fostered by the development of new technologies, microelectromechanical systems (MEMS) are massively present on board vehicles, within information equipment as well in medical and healthcare equipment. A smart approach to design MEMS devices is terms simultaneous optimization multiple objective functions subject a set constraints. This leads family solutions minimizing degree conflict among objectives (Pareto front). Accordingly, this paper, procedure optimal shape based evolutionary...

In this paper, a novel approach to the synthesis of carbon nanotubes (CNTs) in reactors operating at atmospheric pressure is presented. Based on literature and our own research results, most effective methods CNT are investigated. Then, careful selection reagents for process shown. Thanks performed calculations, an optimum composition gases temperature successful CVD (chemical vapor deposition) can be chosen. The having practical significance, may lead improvement nanomaterials technology....

Nanofibers made in the electrospinning process have a very interesting set of material properties that are beneficial for many applications. Despite existing commercial solutions, there still some problems need to be solved improve quality obtained materials as well overall performance. For example, an irregularity electric field intensity distribution along collector surface, resulting irregular nanofibers decreases efficiency process. Moreover, it also leads generation coarser from middle...

During the manufacturing process multi-strand conductors are subject to compressive force and rotation moments. The current distribution in is not uniform controlled by transverse resistivity. This mainly determined contact resistance at strand crossovers inter-strand resistance. surface layer properties, particular crystalline structure degree of oxidation, key parameters determining experimental set-ups made it possible find dependence resistivity as a function continuous working stresses...

In this paper we present the numerical and experimental results of a design optimization electromagnetic cantilevers. particular, cost-effective technique evolutionary computing enabling simultaneous minimization multiple criteria is applied. A set optimal solutions are subsequently fabricated measured. The designed cantilevers in arrays, which makes comparison measurements sensor properties reliable. microfabrication process, based on silicon insulator (SOI) technology, proposed order to...

This study focuses on a class of 3-phase Switched Reluctance Motor. The aim the paper is to optimize torque and iron losses as function geometry. To enhance efficiency motor, procedure automated optimal design adopted. Two materials are evaluated compared: in pa rticular, Soft Magnetic Composite material might be good alternative for rotor stator cores instead laminated steel. analysis model motor based 2D Finite Element Method (FEM) simulation, while optimization evolutionary computing.

In the paper, Wind Driven Optimization WDO algorithm is applied to optimal shape design of a class switched reluctance motors. The goal optimization identify geometries which maximize torque and simultaneously minimize iron losses motor. Because twofold criterion, multi-objective version wind driven M-WDO used. Results are eventually compared with those obtained by means standard genetic GA. For construction optimized model (SR) motor measurements resistance inductances vs. rotor position...

In the paper, optimization of an electro-thermo-elastic microactuator is proposed. particular, maximum temperature actuator to be minimized, while total displacement maximized. For solving this problem, Adaptive Gaussian Process-Assisted Differential Evolution AGDEMO method applied.

In this study, three independent methods were used to identify short fragment of both chains human insulin which are prone for aggregation. addition, circular dichroism (CD) research was conducted understand the progress aggregation over time. The fragments (deca- and pepta-peptides) obtained by solid-phase synthesis using 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium toluene-4-sulfonate (DMT/NMM/TosO-) as a coupling reagent. Systematic studies allowed identification new...

Permanent Magnet (PM) Brushless Direct Current (BLDC) actuators/motors have many advantages over conventional machines, including high efficiency, easy controllability a wide range of operating speeds, etc. There are prototypes for such motors; some them very complicated construction, and this ensures their efficiency. However, in the case household appliances, most important thing is simplicity, and, thus, lowest price design production. This article presents comparison computer models...