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description Publicationkeyboard_double_arrow_right Article , Other literature type , Journal 2021 Czech RepublicPublisher:MDPI AG Authors: Zdenek Machu;Ondrej Rubes;
Ondrej Rubes
Ondrej Rubes in OpenAIREOldrich Sevecek;
Oldrich Sevecek
Oldrich Sevecek in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIREThis paper deals with analytical modelling of piezoelectric energy harvesting systems for generating useful electricity from ambient vibrations and comparing the usefulness of materials commonly used in designing such harvesters for energy harvesting applications. The kinetic energy harvesters have the potential to be used as an autonomous source of energy for wireless applications. Here in this paper, the considered energy harvesting device is designed as a piezoelectric cantilever beam with different piezoelectric materials in both bimorph and unimorph configurations. For both these configurations a single degree-of-freedom model of a kinematically excited cantilever with a full and partial electrode length respecting the dimensions of added tip mass is derived. The analytical model is based on Euler-Bernoulli beam theory and its output is successfully verified with available experimental results of piezoelectric energy harvesters in three different configurations. The electrical output of the derived model for the three different materials (PZT-5A, PZZN-PLZT and PVDF) and design configurations is in accordance with lab measurements which are presented in the paper. Therefore, this model can be used for predicting the amount of harvested power in a particular vibratory environment. Finally, the derived analytical model was used to compare the energy harvesting effectiveness of the three considered materials for both simple harmonic excitation and random vibrations of the corresponding harvesters. The comparison revealed that both PZT-5A and PZZN-PLZT are an excellent choice for energy harvesting purposes thanks to high electrical power output, whereas PVDF should be used only for sensing applications due to low harvested electrical power output.
Sensors arrow_drop_down SensorsOther literature type . 2021License: CC BYFull-Text: http://www.mdpi.com/1424-8220/21/20/6759/pdfData sources: Multidisciplinary Digital Publishing InstituteRepository of the Czech Academy of SciencesArticle . 2021Data sources: Repository of the Czech Academy of Sciencesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s21206759&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 7 citations 7 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Sensors arrow_drop_down SensorsOther literature type . 2021License: CC BYFull-Text: http://www.mdpi.com/1424-8220/21/20/6759/pdfData sources: Multidisciplinary Digital Publishing InstituteRepository of the Czech Academy of SciencesArticle . 2021Data sources: Repository of the Czech Academy of Sciencesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s21206759&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Journal 2021 Czech RepublicPublisher:MDPI AG Authors: Zdenek Machu;Ondrej Rubes;
Ondrej Rubes
Ondrej Rubes in OpenAIREOldrich Sevecek;
Oldrich Sevecek
Oldrich Sevecek in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIREThis paper deals with analytical modelling of piezoelectric energy harvesting systems for generating useful electricity from ambient vibrations and comparing the usefulness of materials commonly used in designing such harvesters for energy harvesting applications. The kinetic energy harvesters have the potential to be used as an autonomous source of energy for wireless applications. Here in this paper, the considered energy harvesting device is designed as a piezoelectric cantilever beam with different piezoelectric materials in both bimorph and unimorph configurations. For both these configurations a single degree-of-freedom model of a kinematically excited cantilever with a full and partial electrode length respecting the dimensions of added tip mass is derived. The analytical model is based on Euler-Bernoulli beam theory and its output is successfully verified with available experimental results of piezoelectric energy harvesters in three different configurations. The electrical output of the derived model for the three different materials (PZT-5A, PZZN-PLZT and PVDF) and design configurations is in accordance with lab measurements which are presented in the paper. Therefore, this model can be used for predicting the amount of harvested power in a particular vibratory environment. Finally, the derived analytical model was used to compare the energy harvesting effectiveness of the three considered materials for both simple harmonic excitation and random vibrations of the corresponding harvesters. The comparison revealed that both PZT-5A and PZZN-PLZT are an excellent choice for energy harvesting purposes thanks to high electrical power output, whereas PVDF should be used only for sensing applications due to low harvested electrical power output.
Sensors arrow_drop_down SensorsOther literature type . 2021License: CC BYFull-Text: http://www.mdpi.com/1424-8220/21/20/6759/pdfData sources: Multidisciplinary Digital Publishing InstituteRepository of the Czech Academy of SciencesArticle . 2021Data sources: Repository of the Czech Academy of Sciencesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s21206759&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 7 citations 7 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Sensors arrow_drop_down SensorsOther literature type . 2021License: CC BYFull-Text: http://www.mdpi.com/1424-8220/21/20/6759/pdfData sources: Multidisciplinary Digital Publishing InstituteRepository of the Czech Academy of SciencesArticle . 2021Data sources: Repository of the Czech Academy of Sciencesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s21206759&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Review , Journal 2020 Sweden, Portugal, Croatia, Czech Republic, Croatia, Czech RepublicPublisher:MDPI AG Publicly fundedAuthors:Saša Zelenika;
Saša Zelenika
Saša Zelenika in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIRESebastian Bader;
Sebastian Bader
Sebastian Bader in OpenAIREThomas Becker;
+18 AuthorsThomas Becker
Thomas Becker in OpenAIRESaša Zelenika;
Saša Zelenika
Saša Zelenika in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIRESebastian Bader;
Sebastian Bader
Sebastian Bader in OpenAIREThomas Becker;
Thomas Becker
Thomas Becker in OpenAIREPetar Gljušćić;
Petar Gljušćić
Petar Gljušćić in OpenAIREJiri Hlinka;
Ludek Janak;Jiri Hlinka
Jiri Hlinka in OpenAIREErvin Kamenar;
Ervin Kamenar
Ervin Kamenar in OpenAIREFilip Ksica;
Theodora Kyratsi;Filip Ksica
Filip Ksica in OpenAIRELoucas Louca;
Loucas Louca
Loucas Louca in OpenAIREMiroslav Mrlik;
Miroslav Mrlik
Miroslav Mrlik in OpenAIREAdnan Osmanović;
Adnan Osmanović
Adnan Osmanović in OpenAIREVikram Pakrashi;
Vikram Pakrashi
Vikram Pakrashi in OpenAIREOndrej Rubes;
Ondrej Rubes
Ondrej Rubes in OpenAIREOldřich Ševeček;
Oldřich Ševeček
Oldřich Ševeček in OpenAIREJosé Silva;
José Silva
José Silva in OpenAIREPavel Tofel;
Pavel Tofel
Pavel Tofel in OpenAIREBojan Trkulja;
Bojan Trkulja
Bojan Trkulja in OpenAIRERunar Unnthorsson;
Jasmin Velagić;Runar Unnthorsson
Runar Unnthorsson in OpenAIREŽeljko Vrcan;
Željko Vrcan
Željko Vrcan in OpenAIREWith the aim of increasing the efficiency of maintenance and fuel usage in airplanes, structural health monitoring (SHM) of critical composite structures is increasingly expected and required. The optimized usage of this concept is subject of intensive work in the framework of the EU COST Action CA18203 “Optimising Design for Inspection” (ODIN). In this context, a thorough review of a broad range of energy harvesting (EH) technologies to be potentially used as power sources for the acoustic emission and guided wave propagation sensors of the considered SHM systems, as well as for the respective data elaboration and wireless communication modules, is provided in this work. EH devices based on the usage of kinetic energy, thermal gradients, solar radiation, airflow, and other viable energy sources, proposed so far in the literature, are thus described with a critical review of the respective specific power levels, of their potential placement on airplanes, as well as the consequently necessary power management architectures. The guidelines provided for the selection of the most appropriate EH and power management technologies create the preconditions to develop a new class of autonomous sensor nodes for the in-process, non-destructive SHM of airplane components.
Mid Sweden Universit... arrow_drop_down Mid Sweden University: Publications (DiVA)Article . 2020Data sources: Bielefeld Academic Search Engine (BASE)Croatian Scientific Bibliography - CROSBIReview . 2020Data sources: Croatian Scientific Bibliography - CROSBIUniversidade do Minho: RepositoriUMArticle . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMUniversidade do Minho: RepositoriUMOther literature type . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2020 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20226685&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 56 citations 56 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert Mid Sweden Universit... arrow_drop_down Mid Sweden University: Publications (DiVA)Article . 2020Data sources: Bielefeld Academic Search Engine (BASE)Croatian Scientific Bibliography - CROSBIReview . 2020Data sources: Croatian Scientific Bibliography - CROSBIUniversidade do Minho: RepositoriUMArticle . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMUniversidade do Minho: RepositoriUMOther literature type . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2020 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20226685&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Review , Journal 2020 Sweden, Portugal, Croatia, Czech Republic, Croatia, Czech RepublicPublisher:MDPI AG Publicly fundedAuthors:Saša Zelenika;
Saša Zelenika
Saša Zelenika in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIRESebastian Bader;
Sebastian Bader
Sebastian Bader in OpenAIREThomas Becker;
+18 AuthorsThomas Becker
Thomas Becker in OpenAIRESaša Zelenika;
Saša Zelenika
Saša Zelenika in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIRESebastian Bader;
Sebastian Bader
Sebastian Bader in OpenAIREThomas Becker;
Thomas Becker
Thomas Becker in OpenAIREPetar Gljušćić;
Petar Gljušćić
Petar Gljušćić in OpenAIREJiri Hlinka;
Ludek Janak;Jiri Hlinka
Jiri Hlinka in OpenAIREErvin Kamenar;
Ervin Kamenar
Ervin Kamenar in OpenAIREFilip Ksica;
Theodora Kyratsi;Filip Ksica
Filip Ksica in OpenAIRELoucas Louca;
Loucas Louca
Loucas Louca in OpenAIREMiroslav Mrlik;
Miroslav Mrlik
Miroslav Mrlik in OpenAIREAdnan Osmanović;
Adnan Osmanović
Adnan Osmanović in OpenAIREVikram Pakrashi;
Vikram Pakrashi
Vikram Pakrashi in OpenAIREOndrej Rubes;
Ondrej Rubes
Ondrej Rubes in OpenAIREOldřich Ševeček;
Oldřich Ševeček
Oldřich Ševeček in OpenAIREJosé Silva;
José Silva
José Silva in OpenAIREPavel Tofel;
Pavel Tofel
Pavel Tofel in OpenAIREBojan Trkulja;
Bojan Trkulja
Bojan Trkulja in OpenAIRERunar Unnthorsson;
Jasmin Velagić;Runar Unnthorsson
Runar Unnthorsson in OpenAIREŽeljko Vrcan;
Željko Vrcan
Željko Vrcan in OpenAIREWith the aim of increasing the efficiency of maintenance and fuel usage in airplanes, structural health monitoring (SHM) of critical composite structures is increasingly expected and required. The optimized usage of this concept is subject of intensive work in the framework of the EU COST Action CA18203 “Optimising Design for Inspection” (ODIN). In this context, a thorough review of a broad range of energy harvesting (EH) technologies to be potentially used as power sources for the acoustic emission and guided wave propagation sensors of the considered SHM systems, as well as for the respective data elaboration and wireless communication modules, is provided in this work. EH devices based on the usage of kinetic energy, thermal gradients, solar radiation, airflow, and other viable energy sources, proposed so far in the literature, are thus described with a critical review of the respective specific power levels, of their potential placement on airplanes, as well as the consequently necessary power management architectures. The guidelines provided for the selection of the most appropriate EH and power management technologies create the preconditions to develop a new class of autonomous sensor nodes for the in-process, non-destructive SHM of airplane components.
Mid Sweden Universit... arrow_drop_down Mid Sweden University: Publications (DiVA)Article . 2020Data sources: Bielefeld Academic Search Engine (BASE)Croatian Scientific Bibliography - CROSBIReview . 2020Data sources: Croatian Scientific Bibliography - CROSBIUniversidade do Minho: RepositoriUMArticle . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMUniversidade do Minho: RepositoriUMOther literature type . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2020 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20226685&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 56 citations 56 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert Mid Sweden Universit... arrow_drop_down Mid Sweden University: Publications (DiVA)Article . 2020Data sources: Bielefeld Academic Search Engine (BASE)Croatian Scientific Bibliography - CROSBIReview . 2020Data sources: Croatian Scientific Bibliography - CROSBIUniversidade do Minho: RepositoriUMArticle . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMUniversidade do Minho: RepositoriUMOther literature type . 2020License: CC BYData sources: Universidade do Minho: RepositoriUMDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2020 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20226685&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Journal 2020 Czech RepublicPublisher:MDPI AG Authors:Ondrej Rubes;
Zdenek Machu;Ondrej Rubes
Ondrej Rubes in OpenAIREOldrich Sevecek;
Oldrich Sevecek
Oldrich Sevecek in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIREKinetic piezoelectric energy harvesters are used to power up ultra-low power devices without batteries as an alternative and eco-friendly source of energy. This paper deals with a novel design of a lead-free multilayer energy harvester based on BaTiO3 ceramics. This material is very brittle and might be cracked in small amplitudes of oscillations. However, the main aim of our development is the design of a crack protective layered architecture that protects an energy harvesting device in very high amplitudes of oscillations. This architecture is described and optimized for chosen geometry and the resulted one degree of freedom coupled electromechanical model is derived. This model could be used in bistable configuration and the model is extended about the nonlinear stiffness produced by auxiliary magnets. The complex bistable vibration energy harvester is simulated to predict operation in a wide range of frequency excitation. It should demonstrate typical operation of designed beam and a stress intensity factor was calculated for layers. The whole system, without presence of cracks, was simulated with an excitation acceleration of amplitude up to 1g. The maximal obtained power was around 2 mW at the frequency around 40 Hz with a maximal tip displacement 7.5 mm. The maximal operating amplitude of this novel design was calculated around 10 mm which is 10-times higher than without protective layers.
Sensors arrow_drop_down SensorsOther literature type . 2020License: CC BYFull-Text: http://www.mdpi.com/1424-8220/20/20/5808/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20205808&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 4 citations 4 popularity Top 10% influence Average impulse Average Powered by BIP!
more_vert Sensors arrow_drop_down SensorsOther literature type . 2020License: CC BYFull-Text: http://www.mdpi.com/1424-8220/20/20/5808/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20205808&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Journal 2020 Czech RepublicPublisher:MDPI AG Authors:Ondrej Rubes;
Zdenek Machu;Ondrej Rubes
Ondrej Rubes in OpenAIREOldrich Sevecek;
Oldrich Sevecek
Oldrich Sevecek in OpenAIREZdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIREKinetic piezoelectric energy harvesters are used to power up ultra-low power devices without batteries as an alternative and eco-friendly source of energy. This paper deals with a novel design of a lead-free multilayer energy harvester based on BaTiO3 ceramics. This material is very brittle and might be cracked in small amplitudes of oscillations. However, the main aim of our development is the design of a crack protective layered architecture that protects an energy harvesting device in very high amplitudes of oscillations. This architecture is described and optimized for chosen geometry and the resulted one degree of freedom coupled electromechanical model is derived. This model could be used in bistable configuration and the model is extended about the nonlinear stiffness produced by auxiliary magnets. The complex bistable vibration energy harvester is simulated to predict operation in a wide range of frequency excitation. It should demonstrate typical operation of designed beam and a stress intensity factor was calculated for layers. The whole system, without presence of cracks, was simulated with an excitation acceleration of amplitude up to 1g. The maximal obtained power was around 2 mW at the frequency around 40 Hz with a maximal tip displacement 7.5 mm. The maximal operating amplitude of this novel design was calculated around 10 mm which is 10-times higher than without protective layers.
Sensors arrow_drop_down SensorsOther literature type . 2020License: CC BYFull-Text: http://www.mdpi.com/1424-8220/20/20/5808/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20205808&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 4 citations 4 popularity Top 10% influence Average impulse Average Powered by BIP!
more_vert Sensors arrow_drop_down SensorsOther literature type . 2020License: CC BYFull-Text: http://www.mdpi.com/1424-8220/20/20/5808/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s20205808&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2017Publisher:Elsevier BV Abstract In this paper we propose the use of principal component analysis to process the measured acceleration data in order to determine the direction of acceleration with the highest variance on given frequency of interest. This method can be used for improving the power generated by inertial energy harvesters. Their power output is highly dependent on the excitation acceleration magnitude and frequency, but the axes of acceleration measurements might not always be perfectly aligned with the directions of movement, and therefore the generated power output might be severely underestimated in simulations, possibly leading to false conclusions about the feasibility of using the inertial energy harvester for the examined application.
Mechanical Systems a... arrow_drop_down Mechanical Systems and Signal ProcessingArticle . 2017 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2016.09.020&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu3 citations 3 popularity Average influence Average impulse Average Powered by BIP!
more_vert Mechanical Systems a... arrow_drop_down Mechanical Systems and Signal ProcessingArticle . 2017 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2016.09.020&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2017Publisher:Elsevier BV Abstract In this paper we propose the use of principal component analysis to process the measured acceleration data in order to determine the direction of acceleration with the highest variance on given frequency of interest. This method can be used for improving the power generated by inertial energy harvesters. Their power output is highly dependent on the excitation acceleration magnitude and frequency, but the axes of acceleration measurements might not always be perfectly aligned with the directions of movement, and therefore the generated power output might be severely underestimated in simulations, possibly leading to false conclusions about the feasibility of using the inertial energy harvester for the examined application.
Mechanical Systems a... arrow_drop_down Mechanical Systems and Signal ProcessingArticle . 2017 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2016.09.020&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu3 citations 3 popularity Average influence Average impulse Average Powered by BIP!
more_vert Mechanical Systems a... arrow_drop_down Mechanical Systems and Signal ProcessingArticle . 2017 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2016.09.020&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Conference object 2015 Czech RepublicPublisher:Elsevier BV Authors:Zdenek Hadas;
Zdenek Hadas; Vojtěch Svatoš; Vojtěch Svatoš; +8 AuthorsZdenek Hadas
Zdenek Hadas in OpenAIREZdenek Hadas;
Zdenek Hadas; Vojtěch Svatoš; Vojtěch Svatoš; Jaromir Zak; Jaromir Zak;Zdenek Hadas
Zdenek Hadas in OpenAIREJan Pekárek;
Jan Pekárek;Jan Pekárek
Jan Pekárek in OpenAIREJan Prasek;
Jan Prasek; Daniel Dusek; Daniel Dusek;Jan Prasek
Jan Prasek in OpenAIREhandle: 11012/194754
AbstractThe micro-electro-mechanical array for application as fully implantable cochlea is presented in this paper. The complete system including a short overview of energy harvesting and the system configuration is proposed. This study mainly covers mechanical properties of cochlea microfabricated silicon structure. Electro-mechanical simulations are proceeded to optimize the material used for resonators, the size of array membranes and to estimate the resistive change due to the input sound signal. The sound is detected by thin SiXNY diaphragm due to resonant frequency and the displacement of the membrane caused by acoustic pressure. The displacement is detected employing piezoresistive electrodes (NiCr). Design and fabrication process based on MEMS technology are described and discussed. The response measurement of the cochlea structure is performed. The sizes of the membranes vary from (0.5×0.5) mm to (2.0×2.0) mm and the average current change is 6.55·10-3c% corresponding to the acoustic pressure of 0.01 Pa.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.proeng.2015.01.487&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 5 citations 5 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.proeng.2015.01.487&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Conference object 2015 Czech RepublicPublisher:Elsevier BV Authors:Zdenek Hadas;
Zdenek Hadas; Vojtěch Svatoš; Vojtěch Svatoš; +8 AuthorsZdenek Hadas
Zdenek Hadas in OpenAIREZdenek Hadas;
Zdenek Hadas; Vojtěch Svatoš; Vojtěch Svatoš; Jaromir Zak; Jaromir Zak;Zdenek Hadas
Zdenek Hadas in OpenAIREJan Pekárek;
Jan Pekárek;Jan Pekárek
Jan Pekárek in OpenAIREJan Prasek;
Jan Prasek; Daniel Dusek; Daniel Dusek;Jan Prasek
Jan Prasek in OpenAIREhandle: 11012/194754
AbstractThe micro-electro-mechanical array for application as fully implantable cochlea is presented in this paper. The complete system including a short overview of energy harvesting and the system configuration is proposed. This study mainly covers mechanical properties of cochlea microfabricated silicon structure. Electro-mechanical simulations are proceeded to optimize the material used for resonators, the size of array membranes and to estimate the resistive change due to the input sound signal. The sound is detected by thin SiXNY diaphragm due to resonant frequency and the displacement of the membrane caused by acoustic pressure. The displacement is detected employing piezoresistive electrodes (NiCr). Design and fabrication process based on MEMS technology are described and discussed. The response measurement of the cochlea structure is performed. The sizes of the membranes vary from (0.5×0.5) mm to (2.0×2.0) mm and the average current change is 6.55·10-3c% corresponding to the acoustic pressure of 0.01 Pa.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.proeng.2015.01.487&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 5 citations 5 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.proeng.2015.01.487&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2022 Czech RepublicPublisher:MDPI AG Authors:Zdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIREOndrej Rubes;
Ondrej Rubes
Ondrej Rubes in OpenAIREFilip Ksica;
Filip Ksica
Filip Ksica in OpenAIREJan Chalupa;
Jan Chalupa
Jan Chalupa in OpenAIREThis paper deals with a development and lab testing of energy harvesting technology for autonomous sensing in railway applications. Moving trains are subjected to high levels of vibrations and rail deformations that could be converted via energy harvesting into useful electricity. Modern maintenance solutions of a rail trackside typically consist of a large number of integrated sensing systems, which greatly benefit from autonomous source of energy. Although the amount of energy provided by conventional energy harvesting devices is usually only around several milliwatts, it is sufficient as a source of electrical power for low power sensing devices. The main aim of this paper is to design and test a kinetic electromagnetic energy harvesting system that could use energy from a passing train to deliver sufficient electrical power for sensing nodes. Measured mechanical vibrations of regional and express trains were used in laboratory testing of the developed energy harvesting device with an integrated resistive load and wireless transmission system, and based on these tests the proposed technology shows a high potential for railway applications.
Sensors arrow_drop_down SensorsOther literature type . 2022License: CC BYFull-Text: http://www.mdpi.com/1424-8220/22/3/905/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s22030905&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 13 citations 13 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Sensors arrow_drop_down SensorsOther literature type . 2022License: CC BYFull-Text: http://www.mdpi.com/1424-8220/22/3/905/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s22030905&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2022 Czech RepublicPublisher:MDPI AG Authors:Zdenek Hadas;
Zdenek Hadas
Zdenek Hadas in OpenAIREOndrej Rubes;
Ondrej Rubes
Ondrej Rubes in OpenAIREFilip Ksica;
Filip Ksica
Filip Ksica in OpenAIREJan Chalupa;
Jan Chalupa
Jan Chalupa in OpenAIREThis paper deals with a development and lab testing of energy harvesting technology for autonomous sensing in railway applications. Moving trains are subjected to high levels of vibrations and rail deformations that could be converted via energy harvesting into useful electricity. Modern maintenance solutions of a rail trackside typically consist of a large number of integrated sensing systems, which greatly benefit from autonomous source of energy. Although the amount of energy provided by conventional energy harvesting devices is usually only around several milliwatts, it is sufficient as a source of electrical power for low power sensing devices. The main aim of this paper is to design and test a kinetic electromagnetic energy harvesting system that could use energy from a passing train to deliver sufficient electrical power for sensing nodes. Measured mechanical vibrations of regional and express trains were used in laboratory testing of the developed energy harvesting device with an integrated resistive load and wireless transmission system, and based on these tests the proposed technology shows a high potential for railway applications.
Sensors arrow_drop_down SensorsOther literature type . 2022License: CC BYFull-Text: http://www.mdpi.com/1424-8220/22/3/905/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s22030905&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 13 citations 13 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Sensors arrow_drop_down SensorsOther literature type . 2022License: CC BYFull-Text: http://www.mdpi.com/1424-8220/22/3/905/pdfData sources: Multidisciplinary Digital Publishing Instituteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/s22030905&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2018 FinlandPublisher:Elsevier BV Authors:Yang Bai;
Yang Bai
Yang Bai in OpenAIREPavel Tofel;
Pavel Tofel
Pavel Tofel in OpenAIREZdenek Hadas;
Jan Smilek; +3 AuthorsZdenek Hadas
Zdenek Hadas in OpenAIREYang Bai;
Yang Bai
Yang Bai in OpenAIREPavel Tofel;
Pavel Tofel
Pavel Tofel in OpenAIREZdenek Hadas;
Jan Smilek;Zdenek Hadas
Zdenek Hadas in OpenAIREPetr Losak;
Pavel Skarvada;Petr Losak
Petr Losak in OpenAIRERobert Macku;
Robert Macku
Robert Macku in OpenAIREAbstract The capability of using a linear kinetic energy harvester – A cantilever structured piezoelectric energy harvester – to harvest human motions in the real-life activities is investigated. The whole loop of the design, simulation, fabrication and test of the energy harvester is presented. With the smart wristband/watch sized energy harvester, a root mean square of the output power of 50 μW is obtained from the real-life hand-arm motion in human’s daily life. Such a power is enough to make some low power consumption sensors to be self-powered. This paper provides a good and reliable comparison to those with nonlinear structures. It also helps the designers to consider whether to choose a nonlinear structure or not in a particular energy harvester based on different application scenarios.
University of Oulu R... arrow_drop_down University of Oulu Repository - JultikaArticle . 2018Data sources: University of Oulu Repository - JultikaMechanical Systems and Signal ProcessingArticle . 2018 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2018.01.006&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 67 citations 67 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert University of Oulu R... arrow_drop_down University of Oulu Repository - JultikaArticle . 2018Data sources: University of Oulu Repository - JultikaMechanical Systems and Signal ProcessingArticle . 2018 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2018.01.006&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2018 FinlandPublisher:Elsevier BV Authors:Yang Bai;
Yang Bai
Yang Bai in OpenAIREPavel Tofel;
Pavel Tofel
Pavel Tofel in OpenAIREZdenek Hadas;
Jan Smilek; +3 AuthorsZdenek Hadas
Zdenek Hadas in OpenAIREYang Bai;
Yang Bai
Yang Bai in OpenAIREPavel Tofel;
Pavel Tofel
Pavel Tofel in OpenAIREZdenek Hadas;
Jan Smilek;Zdenek Hadas
Zdenek Hadas in OpenAIREPetr Losak;
Pavel Skarvada;Petr Losak
Petr Losak in OpenAIRERobert Macku;
Robert Macku
Robert Macku in OpenAIREAbstract The capability of using a linear kinetic energy harvester – A cantilever structured piezoelectric energy harvester – to harvest human motions in the real-life activities is investigated. The whole loop of the design, simulation, fabrication and test of the energy harvester is presented. With the smart wristband/watch sized energy harvester, a root mean square of the output power of 50 μW is obtained from the real-life hand-arm motion in human’s daily life. Such a power is enough to make some low power consumption sensors to be self-powered. This paper provides a good and reliable comparison to those with nonlinear structures. It also helps the designers to consider whether to choose a nonlinear structure or not in a particular energy harvester based on different application scenarios.
University of Oulu R... arrow_drop_down University of Oulu Repository - JultikaArticle . 2018Data sources: University of Oulu Repository - JultikaMechanical Systems and Signal ProcessingArticle . 2018 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2018.01.006&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 67 citations 67 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert University of Oulu R... arrow_drop_down University of Oulu Repository - JultikaArticle . 2018Data sources: University of Oulu Repository - JultikaMechanical Systems and Signal ProcessingArticle . 2018 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.ymssp.2018.01.006&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu