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[popis] => Nonlinear kinetic energy harvesters are becoming more and more popular as well as advanced and efficient. This paper presents the study of the dynamics of such a system in a wide range of excitation parameters, assuming at the same time the possibility of a cyclical and smooth change of the potential function. We have designed a system that allows to obtain a wide spectrum of potential characteristics, from a single well to a three -well system, and we have analyzed its effectiveness. Next, we checked the influence of parameters characterizing the change of potential using bifurcation diagrams and their comparison with the effective voltage values. We also analyzed the behavior of the system in chaotic and periodic motion zones and presented selected sections of Poincare and Fourier amplitude -frequency spectra of chaotic solutions. The last element of the analysis was the impact of cyclic potential change on coexisting solutions. We have shown that the best effectiveness is achieved when the frequency of the external load is equal to the resonant frequency of the flexible cantilever beam and the change of potential is limited to extreme positions.
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[klicova_slova] => Model-size reduction techniques; Cluster analysis; Coordinates transformation; Infrastructure planning; Energy recovery
[klicova_slova_orig] => Model-size reduction techniques; Cluster analysis; Coordinates transformation; Infrastructure planning; Energy recovery
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[nazev_orig] => Membrane-Based Carbon Capture for Waste-to-Energy: Process Performance, Impact, and Time-Efficient Optimization
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[popis] => The energy crisis and rising waste production results in the need for more waste-to-energy solutions. However, capturing fossil-based carbon from waste incineration is crucial. The power consumption and overall impact of the carbon capture process are essential for the identification of the most suitable solution. The aim of this paper is to promote a time-efficient optimization, optimize a membrane-based post-combustion carbon capture process, and quantify its impacts on a waste‑to‑energy plant for various system configurations with different levels of CO2 recovery and purity. The proposed robust evaluation of the system with non-linearities resulted in the utilization of genetic algorithms with subsequent verification. Quantifying power consumption allows the comparison of different carbon capture technologies. The results confirm the importance of process optimization, show the influence of individual parameters, and quantify the disproportionate drop in power consumption with decreasing target CO2 recovery. The power consumption can be as low as 1.14 GJ/tonne of CO2 for CO2 purity of 95 % and recovery of 50 % and 1.66 GJ/tonne of CO2 for CO2 purity of 95 % and recovery of 90 %. The results also suggest that carbon neutrality can be achieved without compromising the R1 efficiency classification of energy recovery.
[popis_orig] => The energy crisis and rising waste production results in the need for more waste-to-energy solutions. However, capturing fossil-based carbon from waste incineration is crucial. The power consumption and overall impact of the carbon capture process are essential for the identification of the most suitable solution. The aim of this paper is to promote a time-efficient optimization, optimize a membrane-based post-combustion carbon capture process, and quantify its impacts on a waste‑to‑energy plant for various system configurations with different levels of CO2 recovery and purity. The proposed robust evaluation of the system with non-linearities resulted in the utilization of genetic algorithms with subsequent verification. Quantifying power consumption allows the comparison of different carbon capture technologies. The results confirm the importance of process optimization, show the influence of individual parameters, and quantify the disproportionate drop in power consumption with decreasing target CO2 recovery. The power consumption can be as low as 1.14 GJ/tonne of CO2 for CO2 purity of 95 % and recovery of 50 % and 1.66 GJ/tonne of CO2 for CO2 purity of 95 % and recovery of 90 %. The results also suggest that carbon neutrality can be achieved without compromising the R1 efficiency classification of energy recovery.
[klicova_slova] => multi-stage membrane separation; carbon dioxide; process parameters optimization; genetic algorithms; Pareto front; power consumption minimization
[klicova_slova_orig] => multi-stage membrane separation; carbon dioxide; process parameters optimization; genetic algorithms; Pareto front; power consumption minimization
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[popis_en] => The energy crisis and rising waste production results in the need for more waste-to-energy solutions. However, capturing fossil-based carbon from waste incineration is crucial. The power consumption and overall impact of the carbon capture process are essential for the identification of the most suitable solution. The aim of this paper is to promote a time-efficient optimization, optimize a membrane-based post-combustion carbon capture process, and quantify its impacts on a waste‑to‑energy plant for various system configurations with different levels of CO2 recovery and purity. The proposed robust evaluation of the system with non-linearities resulted in the utilization of genetic algorithms with subsequent verification. Quantifying power consumption allows the comparison of different carbon capture technologies. The results confirm the importance of process optimization, show the influence of individual parameters, and quantify the disproportionate drop in power consumption with decreasing target CO2 recovery. The power consumption can be as low as 1.14 GJ/tonne of CO2 for CO2 purity of 95 % and recovery of 50 % and 1.66 GJ/tonne of CO2 for CO2 purity of 95 % and recovery of 90 %. The results also suggest that carbon neutrality can be achieved without compromising the R1 efficiency classification of energy recovery.
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[popis] => Wire Electrical Discharge Machining (WEDM) technology represents an unconventional but vital manufacturing technology in many different industrial branches. The automotive industry and its many significant requirements bring the need to manufacture inserts and mould segments for plastic injections from Albromet W130 material, with a required roughness, Ra, from 4.5 to 5 mu m so that subsequent profile etching can be eliminated. A planned experiment of 60 rounds was carried out to discover the optimal machining parameters, namely, the pulse-off time, gap voltage, discharge current, pulse-on time, and wire speed in order for the thickness of 10 to 100 mm (after 10 mm) to demonstrate the required roughness. The goal was to evaluate the surface roughness, maximise the cutting speed, and manufacture it without surface or subsurface defects. The evaluation of the planned experiment led to the establishment of optimised WEDM machining parameters with which thicknesses of 10-100 mm will always be produced with the required roughness, Ra, from 4.5 to 5 mu m and with the highest possible cutting speed. It was also proven that the machining does not lead to surface or subsurface defects, and thus, the service life of the manufactured parts will not be affected.
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[klicova_slova_orig] => WEDM; wire electrical discharge machining; thicknesses; Albromet W130; design of experiment; surface roughness
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[popis] => Výstupem bude ověřená technologie v podobě optimálního nastavení parametrů stroje elektroerozivní drátové řezačky pro obrábění nově vyvinutého materiálu ALBROMET W130, s níž bude dosaženo požadované textury povrchu dle normy VDI 3402Blatt4 ve třídě 33 a zvýšení produktivity výroby v podobě zkrácení strojního času. Vytvořením textury ve třídě 33 tak bude znamenat odstranění následného procesu leptání.
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title="Ověřená technologie pro WEDM obrábění měděné slitiny ALBROMET W130",
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[nazev_en] => Proven technology for WEDM machining of copper alloy ALBROMET W130
[popis_en] => The output will be a proven technology in the form of optimal settings of the machine parameters of the wire electrical discharge machining for machining the newly developed ALBROMET W130 material, which will achieve the required surface texture according to the VDI 3402Blatt4 standard in class 33 and increase production productivity in the form of reduced machine time. Creating a texture in class 33 will thus mean eliminating the subsequent etching process.
[klicova_slova_en] => WEDM; ALBROMET W130; VDI 3402Blatt4 33; optimal setting of machine parameters
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[popis] => Funkčním vzorkem bude díl formy, který je vyroben z nově vyvinutého materiálu ALBROMET W130, užitím nastavení parametrů elektroerozivní drátové řezačky, které byly použity ve výsledku Ověřená technologie, která tomuto Funkčnímu vzorku předcházela. Výroba dílu formy pro vstřikování plastů bude efektivní s co možná nejnižším strojním časem, ovšem s přihlédnutím k požadované textuře povrchu. Funkční vzorek v podobě dílu formy bude mít texturu posuzovanou dle normy VDI 3402Blatt4 ve třídě 33.
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[nazev_en] => Mold part made using optimal wire electrical discharge machining parameter settings
[popis_en] => The functional sample will be a mold part made from the newly developed ALBROMET W130 material, using the wire electrical discharge machining parameter settings that were used in the Proven Technology result that preceded this Functional Sample. The production of the plastic injection mold part will be efficient with the lowest possible machine time, but taking into account the required surface texture. The functional sample in the form of a mold part will have a texture assessed according to the VDI 3402Blatt4 standard in class 33.
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[popis] => Wire Electric Discharge Machining (WEDM) is an unconventional machining technology that uses electrical impulses to generate very high temperatures to cut material. The WEDM process hence causes some unfortunate defects, such as cracks and burnt cavities, which can impact the correct functionality of the machined pieces and shorten their service life. This study was carried out to understand which materials remain defect-free after WEDM. The examined materials were the Ampcoloy 35 copper alloy, the high-entropy steels FeCoCrMnNi and FeCoCrMnNiC0.2, and the B1914 and Nimonic 263 nickel alloys. The influence of the machining parameters, namely the pulse off time, gap voltage, discharge current, pulse on time, and wire feed, on the cutting speed and the surface topography of the machined piece was investigated. The surface morphology, the state of the subsurface layer in a cross-section, and the number of diffused elements from the wire electrode were analysed. All the analysed materials were found completely suitable for WEDM machining as they do not form any surface or subsurface defects.
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[klicova_slova] => WEDM; wire electrical discharge machining; cracks; ampcoloy; high entropy alloy; B1914; nimonic
[klicova_slova_orig] => WEDM; wire electrical discharge machining; cracks; ampcoloy; high entropy alloy; B1914; nimonic
[url] => https://www.mdpi.com/2227-9717/12/11/2448
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[citace_text] => MOURALOVÁ, K.; FRIES, J.; BENEŠ, L.;HOUŠKA, P. Materials That Do Not Form Any Defects After WEDM. Processes, 2024, vol. 12, no. 11, p. 1-15. ISSN: 2227-9717.
[citace_html] => MOURALOVÁ, K.; FRIES, J.; BENEŠ, L.;HOUŠKA, P. Materials That Do Not Form Any Defects After WEDM. Processes, 2024, vol. 12, no. 11, p. 1-15. ISSN: 2227-9717.
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author="Kateřina {Mouralová} and Jiří {Fries} and Libor {Beneš} and Pavel {Houška}",
title="Materials That Do Not Form Any Defects After WEDM",
journal="Processes",
year="2024",
volume="12",
number="11",
pages="1--15",
doi="10.3390/pr12112448",
url="https://www.mdpi.com/2227-9717/12/11/2448"
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[popis_en] => Wire Electric Discharge Machining (WEDM) is an unconventional machining technology that uses electrical impulses to generate very high temperatures to cut material. The WEDM process hence causes some unfortunate defects, such as cracks and burnt cavities, which can impact the correct functionality of the machined pieces and shorten their service life. This study was carried out to understand which materials remain defect-free after WEDM. The examined materials were the Ampcoloy 35 copper alloy, the high-entropy steels FeCoCrMnNi and FeCoCrMnNiC0.2, and the B1914 and Nimonic 263 nickel alloys. The influence of the machining parameters, namely the pulse off time, gap voltage, discharge current, pulse on time, and wire feed, on the cutting speed and the surface topography of the machined piece was investigated. The surface morphology, the state of the subsurface layer in a cross-section, and the number of diffused elements from the wire electrode were analysed. All the analysed materials were found completely suitable for WEDM machining as they do not form any surface or subsurface defects.
[klicova_slova_en] => WEDM; wire electrical discharge machining; cracks; ampcoloy; high entropy alloy; B1914; nimonic
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[nazev] => Application of Modern Approaches to Solving Diagnostic Tasks in Industry
[nazev_orig] => Application of Modern Approaches to Solving Diagnostic Tasks in Industry
[duvernost_udaju_id] => S
[popis] => Technical diagnostics is a separate scientific discipline focused on non-destructive methods of assessing the technical condition of objects and is one of the pillars of reliability and functionality of equipment. The definitions of technical diagnostics are based on various disciplines and standards, and technical diagnostics relies on the monitoring of diagnostic variables such as temperature, vibration, noise, and others. The paper further discusses the types of diagnostics, including vibrodiagnostics, thermodiagnostics, electrodiagnostics, etc., and their division into on-line and offline systems. The next section is focused on data evaluation, which is based on standards and methods, including frequency analysis and the use of artificial intelligence. The paper also discusses the use of cloud computing, edge computing, and risk theory, which can contribute significantly to the efficiency of diagnostic processes in the future. Finally, practical examples that have been solved at our department are presented. The first one is the use of the SIPLUS CMS1200 system for on-line vibration monitoring, which demonstrates its functionality and possibilities of use in industrial practice. The second example is the possibility of using neural networks in the processing and evaluation of measured data. The last example focuses on the application of risk theory in the evaluation of different diagnostic methods. The article aims to introduce the reader to the issues of technical diagnostics and then demonstrate possible approaches for practical solutions.
[popis_orig] => Technical diagnostics is a separate scientific discipline focused on non-destructive methods of assessing the technical condition of objects and is one of the pillars of reliability and functionality of equipment. The definitions of technical diagnostics are based on various disciplines and standards, and technical diagnostics relies on the monitoring of diagnostic variables such as temperature, vibration, noise, and others. The paper further discusses the types of diagnostics, including vibrodiagnostics, thermodiagnostics, electrodiagnostics, etc., and their division into on-line and offline systems. The next section is focused on data evaluation, which is based on standards and methods, including frequency analysis and the use of artificial intelligence. The paper also discusses the use of cloud computing, edge computing, and risk theory, which can contribute significantly to the efficiency of diagnostic processes in the future. Finally, practical examples that have been solved at our department are presented. The first one is the use of the SIPLUS CMS1200 system for on-line vibration monitoring, which demonstrates its functionality and possibilities of use in industrial practice. The second example is the possibility of using neural networks in the processing and evaluation of measured data. The last example focuses on the application of risk theory in the evaluation of different diagnostic methods. The article aims to introduce the reader to the issues of technical diagnostics and then demonstrate possible approaches for practical solutions.
[klicova_slova] => technical diagnostics, neural networks, vibrodiagnostics, condition monitoring, risks
[klicova_slova_orig] => technical diagnostics, neural networks, vibrodiagnostics, condition monitoring, risks
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[citace_text] => HÁJKOVÁ, A.; HAMMER, M. Application of Modern Approaches to Solving Diagnostic Tasks in Industry. In 2024 21st International Conference on Mechatronics - Mechatronika (ME). 21. Brno, Czech Republic: IEEE, 2024. 7 p. ISBN: 979-8-3503-9490-0.
[citace_html] => HÁJKOVÁ, A.; HAMMER, M. Application of Modern Approaches to Solving Diagnostic Tasks in Industry. In 2024 21st International Conference on Mechatronics - Mechatronika (ME). 21. Brno, Czech Republic: IEEE, 2024. 7 p. ISBN: 979-8-3503-9490-0.
[citace_rtf] =>
[citace_bibtex] => @inproceedings{BUT193770,
author="Alena {Hájková} and Miloš {Hammer}",
title="Application of Modern Approaches to Solving Diagnostic Tasks in Industry",
booktitle="2024 21st International Conference on Mechatronics - Mechatronika (ME)",
year="2024",
series="21",
number="1",
pages="7",
publisher="IEEE",
address="Brno, Czech Republic",
doi="10.1109/ME61309.2024.10789654",
isbn="979-8-3503-9490-0",
url="https://ieeexplore.ieee.org/document/10789654"
}
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[nazev_en] => Application of Modern Approaches to Solving Diagnostic Tasks in Industry
[popis_en] => Technical diagnostics is a separate scientific discipline focused on non-destructive methods of assessing the technical condition of objects and is one of the pillars of reliability and functionality of equipment. The definitions of technical diagnostics are based on various disciplines and standards, and technical diagnostics relies on the monitoring of diagnostic variables such as temperature, vibration, noise, and others. The paper further discusses the types of diagnostics, including vibrodiagnostics, thermodiagnostics, electrodiagnostics, etc., and their division into on-line and offline systems. The next section is focused on data evaluation, which is based on standards and methods, including frequency analysis and the use of artificial intelligence. The paper also discusses the use of cloud computing, edge computing, and risk theory, which can contribute significantly to the efficiency of diagnostic processes in the future. Finally, practical examples that have been solved at our department are presented. The first one is the use of the SIPLUS CMS1200 system for on-line vibration monitoring, which demonstrates its functionality and possibilities of use in industrial practice. The second example is the possibility of using neural networks in the processing and evaluation of measured data. The last example focuses on the application of risk theory in the evaluation of different diagnostic methods. The article aims to introduce the reader to the issues of technical diagnostics and then demonstrate possible approaches for practical solutions.
[klicova_slova_en] => technical diagnostics, neural networks, vibrodiagnostics, condition monitoring, risks
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[nazev] => Modelling of leading edge morphing by using geometrically exact beam theory
[nazev_orig] => Modelling of leading edge morphing by using geometrically exact beam theory
[duvernost_udaju_id] => S
[popis] => The goal of the presented work is to demonstrate a capability of a non-linear computational model for a leading edge morphing based on the geometrically exact Timoshenko beam theory implemented in the finite element method. The leading edge topology is divided into outer surface with various bending and tension response along the element centre line and kinematic mechanism. Their interconnection is realized by joints, in the computational model realized by the Lagrange multiplier technique. Loading is realized by prescribed moment in one mounting node which represents an electric servomotor. In the results section, beam resultants dependent on the various initial configuration of the kinematic mechanism are analysed.
[popis_orig] => The goal of the presented work is to demonstrate a capability of a non-linear computational model for a leading edge morphing based on the geometrically exact Timoshenko beam theory implemented in the finite element method. The leading edge topology is divided into outer surface with various bending and tension response along the element centre line and kinematic mechanism. Their interconnection is realized by joints, in the computational model realized by the Lagrange multiplier technique. Loading is realized by prescribed moment in one mounting node which represents an electric servomotor. In the results section, beam resultants dependent on the various initial configuration of the kinematic mechanism are analysed.
[klicova_slova] => Morphing wing, geometrically exact beam, finite element method, non-linear analysis, Lagrange multiplier method, meta-materials.
[klicova_slova_orig] => Morphing wing, geometrically exact beam, finite element method, non-linear analysis, Lagrange multiplier method, meta-materials.
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[citace_text] => HRSTKA, M.; BAJER, J.; HADAŠ, Z.; KHODAEI, Z.; ALIABADI, F.; KOTOUL, M. Modelling of leading edge morphing by using geometrically exact beam theory. In Engineering Mechanics 2024. Engineering Mechanics. 1. Milovy: Institute of Solid Mechanics, Mechatronics and Biomechanics, Faculty of Mechanical Engineering, Brno University of Technology, 2024. no. 1, p. 134-137. ISBN: 978-80-214-6235-9. ISSN: 1805-8248.
[citace_html] => HRSTKA, M.; BAJER, J.; HADAŠ, Z.; KHODAEI, Z.; ALIABADI, F.; KOTOUL, M. Modelling of leading edge morphing by using geometrically exact beam theory. In Engineering Mechanics 2024. Engineering Mechanics. 1. Milovy: Institute of Solid Mechanics, Mechatronics and Biomechanics, Faculty of Mechanical Engineering, Brno University of Technology, 2024. no. 1, p. 134-137. ISBN: 978-80-214-6235-9. ISSN: 1805-8248.
[citace_rtf] =>
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author="Miroslav {Hrstka} and Jan {Bajer} and Zdeněk {Hadaš} and Zahra Sharif {Khodaei} and Ferri MH {Aliabadi} and Michal {Kotoul}",
title="Modelling of leading edge morphing by using geometrically exact beam theory",
booktitle="Engineering Mechanics 2024",
year="2024",
series="1",
journal="Engineering Mechanics",
volume="30",
number="1",
pages="134--137",
publisher="Institute of Solid Mechanics, Mechatronics and Biomechanics, Faculty of Mechanical Engineering, Brno University of Technology",
address="Milovy",
doi="10.21495/em2024-134",
isbn="978-80-214-6235-9",
issn="1805-8248",
url="https://www.engmech.cz/im/proceedings/show/2024"
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[popis_en] => The goal of the presented work is to demonstrate a capability of a non-linear computational model for a leading edge morphing based on the geometrically exact Timoshenko beam theory implemented in the finite element method. The leading edge topology is divided into outer surface with various bending and tension response along the element centre line and kinematic mechanism. Their interconnection is realized by joints, in the computational model realized by the Lagrange multiplier technique. Loading is realized by prescribed moment in one mounting node which represents an electric servomotor. In the results section, beam resultants dependent on the various initial configuration of the kinematic mechanism are analysed.
[klicova_slova_en] => Morphing wing, geometrically exact beam, finite element method, non-linear analysis, Lagrange multiplier method, meta-materials.
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[nazev] => Analysis of the time slot length impact of selected data link layer protocols on energy resource consumption in wireless sensor networks
[nazev_orig] => Analysis of the time slot length impact of selected data link layer protocols on energy resource consumption in wireless sensor networks
[duvernost_udaju_id] => S
[popis] => The paper analyzes the effect of time slots on the correctness of packet delivery for selected media access conmedium access protocol), and X-MAC protocol (enhanced MAC protocol compared to B-MAC). In the study, reliability, and power consumption were used as indicators of the quality of the protocol variant. The length of the time slot was shown to affect the consumption of energy resources of the nodes. For all network sizes considered, it was shown that the best results were achieved by the L-MAC protocol, which also proved to be the most energyefficient with a low ratio of energy resource consumption. The X-MAC protocol has significant advantages and can be easily implemented on nodes running packet-switched wireless transceivers.
[popis_orig] => The paper analyzes the effect of time slots on the correctness of packet delivery for selected media access conmedium access protocol), and X-MAC protocol (enhanced MAC protocol compared to B-MAC). In the study, reliability, and power consumption were used as indicators of the quality of the protocol variant. The length of the time slot was shown to affect the consumption of energy resources of the nodes. For all network sizes considered, it was shown that the best results were achieved by the L-MAC protocol, which also proved to be the most energyefficient with a low ratio of energy resource consumption. The X-MAC protocol has significant advantages and can be easily implemented on nodes running packet-switched wireless transceivers.
[klicova_slova] => sensors; energy-efficient; WSN; B-MAC; X-MAC; LMAC; OMNeT++
[klicova_slova_orig] => sensors; energy-efficient; WSN; B-MAC; X-MAC; LMAC; OMNeT++
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[citace_text] => DYMORA, P.; MAZUREK, M.; ŁYCZKO, K.; HADAŠ, Z. Analysis of the time slot length impact of selected data link layer protocols on energy resource consumption in wireless sensor networks. Advances in Science and Technology-Research Journal, 2025, vol. 19, no. 2, p. 114-126. ISSN: 2299-8624.
[citace_html] => DYMORA, P.; MAZUREK, M.; ŁYCZKO, K.; HADAŠ, Z. Analysis of the time slot length impact of selected data link layer protocols on energy resource consumption in wireless sensor networks. Advances in Science and Technology-Research Journal, 2025, vol. 19, no. 2, p. 114-126. ISSN: 2299-8624.
[citace_rtf] =>
[citace_bibtex] => @article{BUT194102,
author="Paweł {Dymora} and Mirosław {Mazurek} and Kamil {Łyczko} and Zdeněk {Hadaš}",
title="Analysis of the time slot length impact of selected data link layer protocols on energy resource consumption in wireless sensor networks",
journal="Advances in Science and Technology-Research Journal",
year="2025",
volume="19",
number="2",
pages="114--126",
doi="10.12913/22998624/195706",
issn="2080-4075",
url="https://www.astrj.com/Analysis-of-the-time-slot-length-impact-of-selected-data-link-layer-protocols-on,195706,0,2.html"
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[nazev_en] => Analysis of the time slot length impact of selected data link layer protocols on energy resource consumption in wireless sensor networks
[popis_en] => The paper analyzes the effect of time slots on the correctness of packet delivery for selected media access conmedium access protocol), and X-MAC protocol (enhanced MAC protocol compared to B-MAC). In the study, reliability, and power consumption were used as indicators of the quality of the protocol variant. The length of the time slot was shown to affect the consumption of energy resources of the nodes. For all network sizes considered, it was shown that the best results were achieved by the L-MAC protocol, which also proved to be the most energyefficient with a low ratio of energy resource consumption. The X-MAC protocol has significant advantages and can be easily implemented on nodes running packet-switched wireless transceivers.
[klicova_slova_en] => sensors; energy-efficient; WSN; B-MAC; X-MAC; LMAC; OMNeT++
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[nazev_orig] => DEVELOPMENT AND VERIFICATION OF NOVEL DUAL PLUNGER HYBRID KINETIC ENERGY HARVESTER
[duvernost_udaju_id] => S
[popis] => This paper presents the development and verification of a novel dual plunger hybrid kinetic energy
harvester, which combines piezoelectric and electromagnetic conversion principles to effectively generate
electricity from ambient mechanical motion and vibrations. This device utilizes two cantilevered steel plungers
forming a parallel mechanism which makes non-arc oscillations, therefore maximizing energy harvesting
efficiency. A single degree of freedom model is initially proposed for description, which is later extended
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preliminary experimental measurements on the adhesive type and thickness for piezoelectric patches, as well
as the measurement of the damping factor. Additionally, the verification and validation of the model through
frequency sweeps for different input acceleration levels are detailed, along with the refinement of the model
based on manufactured samples.
[popis_orig] => This paper presents the development and verification of a novel dual plunger hybrid kinetic energy
harvester, which combines piezoelectric and electromagnetic conversion principles to effectively generate
electricity from ambient mechanical motion and vibrations. This device utilizes two cantilevered steel plungers
forming a parallel mechanism which makes non-arc oscillations, therefore maximizing energy harvesting
efficiency. A single degree of freedom model is initially proposed for description, which is later extended
to incorporate nonlinear effects with magnets. The paper discusses the optimization of resistance parameters,
preliminary experimental measurements on the adhesive type and thickness for piezoelectric patches, as well
as the measurement of the damping factor. Additionally, the verification and validation of the model through
frequency sweeps for different input acceleration levels are detailed, along with the refinement of the model
based on manufactured samples.
[klicova_slova] => Energy harvesting, resonator, piezoelectrics, electromagnetics, dual plunger design
[klicova_slova_orig] => Energy harvesting, resonator, piezoelectrics, electromagnetics, dual plunger design
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[citace_text] => SOSNA, P.; HADAŠ, Z. DEVELOPMENT AND VERIFICATION OF NOVEL DUAL PLUNGER HYBRID KINETIC ENERGY HARVESTER. Engineering Mechanics .... 2024. p. 286-289. ISSN: 1805-8256.
[citace_html] => SOSNA, P.; HADAŠ, Z. DEVELOPMENT AND VERIFICATION OF NOVEL DUAL PLUNGER HYBRID KINETIC ENERGY HARVESTER. Engineering Mechanics .... 2024. p. 286-289. ISSN: 1805-8256.
[citace_rtf] =>
[citace_bibtex] => @inproceedings{BUT194105,
author="Petr {Sosna} and Zdeněk {Hadaš}",
title="DEVELOPMENT AND VERIFICATION OF NOVEL DUAL PLUNGER HYBRID KINETIC ENERGY HARVESTER",
year="2024",
journal="Engineering Mechanics ....",
pages="286--289",
doi="10.21495/em2024-286",
issn="1805-8256",
url="https://www.engmech.cz/im/proceedings/show_p/2024/286"
}
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[nazev_en] => DEVELOPMENT AND VERIFICATION OF NOVEL DUAL PLUNGER HYBRID KINETIC ENERGY HARVESTER
[popis_en] => This paper presents the development and verification of a novel dual plunger hybrid kinetic energy
harvester, which combines piezoelectric and electromagnetic conversion principles to effectively generate
electricity from ambient mechanical motion and vibrations. This device utilizes two cantilevered steel plungers
forming a parallel mechanism which makes non-arc oscillations, therefore maximizing energy harvesting
efficiency. A single degree of freedom model is initially proposed for description, which is later extended
to incorporate nonlinear effects with magnets. The paper discusses the optimization of resistance parameters,
preliminary experimental measurements on the adhesive type and thickness for piezoelectric patches, as well
as the measurement of the damping factor. Additionally, the verification and validation of the model through
frequency sweeps for different input acceleration levels are detailed, along with the refinement of the model
based on manufactured samples.
[klicova_slova_en] => Energy harvesting, resonator, piezoelectrics, electromagnetics, dual plunger design
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[url] => https://mechatronika.fel.cvut.cz/
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[originalni_jazyk] => en
[schvalil_id] => 11599
[schvaleno] => 2025-03-14
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title="2024 21st International Conference on Mechatronics - Mechatronika (ME)",
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url="https://mechatronika.fel.cvut.cz/",
note="Holding a conference"
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