Littérature scientifique sur le sujet « Electromechanical harvesting »
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Articles de revues sur le sujet "Electromechanical harvesting"
Guo, Chuan, et Albert C. J. Luo. « Nonlinear piezoelectric energy harvesting induced through the Duffing oscillator ». Chaos : An Interdisciplinary Journal of Nonlinear Science 32, no 12 (décembre 2022) : 123145. http://dx.doi.org/10.1063/5.0123609.
Texte intégralThakur, Garima, et V. Velmurugan. « Electromechanical Piezoelectric Based Energy Harvesting System ». Advanced Science Letters 24, no 8 (1 août 2018) : 6030–33. http://dx.doi.org/10.1166/asl.2018.12241.
Texte intégralProksch, Roger, et Sergei Kalinin. « Piezoresponse Force Microscopy ». Microscopy Today 17, no 6 (novembre 2009) : 10–15. http://dx.doi.org/10.1017/s1551929509990988.
Texte intégralYamamoto, Brennan E., et A. Zachary Trimble. « An experimentally validated analytical model for the coupled electromechanical dynamics of linear vibration energy harvesting systems ». Journal of Intelligent Material Systems and Structures 28, no 1 (28 juillet 2016) : 3–22. http://dx.doi.org/10.1177/1045389x16642304.
Texte intégralLeGrande, Joshua, Mohammad Bukhari et Oumar Barry. « Effect of electromechanical coupling on locally resonant quasiperiodic metamaterials ». AIP Advances 13, no 1 (1 janvier 2023) : 015112. http://dx.doi.org/10.1063/5.0119914.
Texte intégralSu, Yaxuan, Xiaohui Lin, Rui Huang et Zhidong Zhou. « Analytical Electromechanical Modeling of Nanoscale Flexoelectric Energy Harvesting ». Applied Sciences 9, no 11 (1 juin 2019) : 2273. http://dx.doi.org/10.3390/app9112273.
Texte intégralVELI, Yelda, et Alexandru M. MOREGA. « ELECTROMECHANICAL CONVERTER FOR ENERGY HARVESTING IN MEDICAL APPLICATIONS ». ACTUALITĂŢI ŞI PERSPECTIVE ÎN DOMENIUL MAŞINILOR ELECTRICE (ELECTRIC MACHINES, MATERIALS AND DRIVES - PRESENT AND TRENDS) 2021, no 1 (19 novembre 2021) : 1–7. http://dx.doi.org/10.36801/apme.2021.1.11.
Texte intégralSmolar, Nejc, et Peter Virtič. « Design investigation of electromechanical generator for energy harvesting ». E3S Web of Conferences 116 (2019) : 00079. http://dx.doi.org/10.1051/e3sconf/201911600079.
Texte intégralLiu, Fei, Alex Phipps, Stephen Horowitz, Khai Ngo, Louis Cattafesta, Toshikazu Nishida et Mark Sheplak. « Acoustic energy harvesting using an electromechanical Helmholtz resonator ». Journal of the Acoustical Society of America 123, no 4 (avril 2008) : 1983–90. http://dx.doi.org/10.1121/1.2839000.
Texte intégralLuo, Zhenhua, Dibin Zhu et Steve Beeby. « An electromechanical model of ferroelectret for energy harvesting ». Smart Materials and Structures 25, no 4 (14 mars 2016) : 045010. http://dx.doi.org/10.1088/0964-1726/25/4/045010.
Texte intégralThèses sur le sujet "Electromechanical harvesting"
Nagode, Clement Michel Jean. « Electromechanical Suspension-based Energy Harvesting Systems for Railroad Applications ». Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/50611.
Texte intégralThe focus of this research is on the development of vibration-based electromechanical energy harvesting systems that would provide electrical power in a freight car. With size and shape similar to conventional shock absorbers, these devices are designed to be placed in parallel with the suspension elements, possibly inside the coil spring, thereby maximizing unutilized space. When the train is in motion, the suspension will accommodate the imperfections of the track, and its relative velocity is used as the input for the harvester, which converts the mechanical energy to useful electrical energy.
Beyond developing energy harvesters for freight railcar primary suspensions, this study explores track wayside and miniature systems that can be deployed for applications other than railcars. The trackside systems can be used in places where electrical energy is not readily available, but where, however, there is a need for it. The miniature systems are useful for applications such as bicycle energy.
Beyond the design and development of the harvesters, an extensive amount of laboratory testing was conducted to evaluate both the amount of electrical power that can be obtained and the reliability of the components when subjected to repeated vibration cycles. Laboratory tests, totaling more than two million cycles, proved that all the components of the harvester can satisfactorily survive the conditions to which they are subjected in the field. The test results also indicate that the harvesters are capable of generating up to 50 Watts at 22 Vrms, using a 10-Ohm resistor with sine wave inputs, and over 30 Watts at peak with replicated suspension displacements, making them suitable to directly power onboard instruments or to trickle charge a battery.
Ph. D.
Erturk, Alper. « Electromechanical Modeling of Piezoelectric Energy Harvesters ». Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/29927.
Texte intégralPh. D.
VILLA, SARA MOON. « SOFT POLYMERIC NANOCOMPOSITES FOR ELECTROMECHANICAL CONVERSION ». Doctoral thesis, Università degli Studi di Milano, 2022. http://hdl.handle.net/2434/933149.
Texte intégralMateu, Sáez Maria Loreto. « Energy harvesting from human passive power ». Doctoral thesis, Universitat Politècnica de Catalunya, 2009. http://hdl.handle.net/10803/48637.
Texte intégralThe trends in technology allow the decrease in both size and power consumption of complex digital systems. This decrease in size and power gives rise to the concept of wearable devices which are integrated in everyday personal belongings like clothes, watch, glasses, et cetera. Power supply is a limiting factor in the mobility of the wearable device which gets restricted to the lifetime of the battery. Furthermore, due to the costs and inaccessible locations, the replacement or recharging of batteries is often not feasible for wearable devices integrated in smart clothes. Wearable devices are devices distributed in personal belongings and thus, an alternative for powering them is to harvest energy from the user. Therefore, the energy can be harvested, distributed and supplied over the human body. Wearable devices can create, like the sensors of a Wireless Sensor Network (WSN), a Body Area Network. A study of piezoelectric, inductive and thermoelectric generators that harvest passive human power is the main objective of this thesis. The physical principle of an energy harvesting generator is obviously the same no matter whether it is employed with an environmental or human body source. Nevertheless, the limitations related to low voltage, current and frequency levels obtained from human body sources bring new requirements to the energy harvesting topic that were not present in the case of the environment sources. This analysis is the motivation for this thesis. The type of input energy and transducer form a tandem since the election of one imposes the other. It is important that measurements are done in different parts of the human body while doing different physical activities to locate which positions and activities produce more energy. The mechanical coupling between the transducer and the human body depends on the location of the transducer and the activity that is done. A specific design taking this into account can increase more than a 200% the efficiency of the transducer as has been demonstrated with piezoelectric films located in the insoles of shoes. Acceleration measurements have been performed in different body locations and different physical activities, in order to quantify the amount of available energy associated with usual human movements. A system-level simulation has been implemented modeling the elements of an energy self-powered system. Physical equations have been used for the transducer in order to include the mechanical part of the system and electrical and behavioral models for the rest of the components. In this way, the process of the design of the complete application (including the load and an energy storage element when it is necessary) is simplified to achieve the expected requirements. Obviously, the load must be a low power consumption device as for example a RF transmitter. In this case, it is preferable to operate it in a discontinuous way without a battery as it is deduced from simulation results obtained. However, the evolution in low power transmission modules can change this conclusion depending mostly on the evolution of the power consumption in stand-by mode and the configuration time in transmission operation. It has been deduced from the analysis of inductive generators that time-domain analysis allows to calculate some magnitudes that are not available in frequency domain. For example, the maximum power can be calculated in frequency domain, but for energy harvesting applications it is more interesting to know the value of the recovered energy during a certain time, or the average power since the power generated by human activities can be highly discontinuous. It has been demonstrated that energy harvesting transducers are able to supply power to present-day low power electronic devices as was demonstrated with a RF transmitter powered by a thermogenerator that employs the temperature gradient between human body and the environment (3-5 K) and that it is able to sense and transmit data once every second.
ASKARI, MAHMOUD. « Electromechanical Modelling and Analysis of Piezoelectric Smart Structures : Energy Harvesting, Static and Dynamic Problems ». Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2964794.
Texte intégralGater, Brittany L. « The Hydrodynamics and Energetics of Bioinspired Swimming with Undulatory Electromechanical Fins ». Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78377.
Texte intégralMaster of Science
Animals interact with the world much differently than engineered systems, and can offer new and efficient ways to solve engineering problems, including underwater vehicles. To learn how to move an underwater vehicle in an environmentally conscious way, it is useful to study how a fish’s movements affect the manner in which it moves through the water. Through careful study, the principles involved can be implemented for an efficient, low-disturbance underwater vehicle. The particular fish chosen for in-depth study was the stingray, due to its maneuverability and ability to travel close to the seafloor without disturbing the sediment and creatures around it. In this work, computational analysis was performed on a model of a single stingray fin to determine how the motion of the fin affects the water around it, and how the water affects the fin in turn. The results were analyzed both in terms of the wake behind the fin and in terms of how much power was required to make the fin move in a particular way. The speed of the fin motion was found to have the strongest effect in controlling swimming speed, although the lateral motion of the fin also helped with accelerating faster. Additionally, the potential for a robotic stingray fin to harness power from the water around it was examined. Based on results from simulations of the fin, a mathematical model was formulated to relate energy harvesting with the flow speed past the fin. This model was used to determine how worthwhile it was to use energy harvesting. Analysis of the model showed that harvesting energy from the water was quite efficient, and would likely be a worthwhile investment for an exploration mission.
Abdelkefi, Abdessattar. « Global Nonlinear Analysis of Piezoelectric Energy Harvesting from Ambient and Aeroelastic Vibrations ». Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/28761.
Texte intégralPh. D.
Forester, Sean M. « Energy harvesting for self-powered, ultra-low power microsystems with a focus on vibration-based electromechanical conversion ». Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep%5FForester.pdf.
Texte intégralThesis Advisor(s): Singh, Gurminder ; Gibson, John. "September 2009." Description based on title screen as viewed on November 6, 2009. Author(s) subject terms: Microelectromechanical systems, photovoltaic, piezoelectric, thermocouple, power harvesting, energy scavenging, thermoelectric. Includes bibliographical references (p. 59-65). Also available in print.
Maiorca, Felice. « Innovative Electromechanical Transduction Mechanisms for Piezoelectric Energy harvesting from Vibration : Toward Micro and Nano Electro-Mechanical Systems ». Doctoral thesis, Università di Catania, 2015. http://hdl.handle.net/10761/3949.
Texte intégralHinchet, Ronan. « Electromechanical study of semiconductor piezoelectric nanowires. Application to mechanical sensors and energy harvesters ». Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT013/document.
Texte intégralSmart systems are the combined result of different advances in microelectronics leading to an increase in computing power, lower energy consumption, the addition of new features, means of communication and especially its integration and application into our daily lives. The evolution of the field of smart systems is promising, and the expectations are high in many fields: Industry, transport, infrastructure and environment monitoring as well as housing, consumer electronics, health care services but also defense and space applications. Nowadays, the integration of more and more functions in smart systems is leading to a looming energy issue where the autonomy of such smart systems is beginning to be the main issue. Therefore there is a growing need for autonomous sensors and power sources. Developing energy harvesters and self-powered sensors is one way to address this energy issue. Among the technologies studied, piezoelectricity has the advantage to be compatible with the MEMS industry, it generates high voltages and it has a high direct coupling between the mechanic and electric physics. Among the piezoelectric materials, semiconductor piezoelectric nanowires (NWs) could be a promising option as they exhibit improved piezoelectric properties and higher maximum flexion.Among the different piezoelectric NWs, ZnO and GaN NWs are the most studied, their piezoelectric properties are more than doubled at the nanoscale. They have the advantage of being IC compatible and reasonably synthesizable by top-down and bottom-up approaches. Especially we studied the hydrothermal growth of ZnO NWs. In order to use them we studied the behavior of ZnO NWs. We performed analytical study and FEM simulations of a ZnO NW under bending. This study explains the piezoelectric potential distribution as a function of the force and is used to extract the scaling rules. We have also developed mechanical AFM characterization of the young modulus of ZnO and GaN NWs. Following we perform piezoelectric AFM characterization of these NWs, verifying the behavior under bending stresses. Once physics understood, we discuss limitation of our piezoelectric NWs models and a more realistic model is developed, closer to the experimental configurations. Using this model we evaluated the use of ZnO NW for force and displacement sensors by measuring the potential generated, and from experiments, the use of GaN NW for force sensor by measuring the current through the NW. But energy harvesting is also necessary to address the energy issue and we deeper investigate this solution. To fully understand the problematic we study the state of the art of nanogenerator (NG) and their potential architectures. We analyze their advantages and disadvantages in order to define a reference NG structure. After analytical study of this structure giving the basis for a deeper understanding of its operation and challenges, FEM simulations are used to define optimization routes for a NG working in compression or in bending. The fabrication of prototypes and theirs preliminary characterization is finally presented
Livres sur le sujet "Electromechanical harvesting"
Energy harvesting with piezoelectric and pyroelectric materials. Stafa-Zuerich, Switzerland : Trans Tech Publications, 2011.
Trouver le texte intégralMuensit, Nantakan. Energy Harvesting with Piezoelectric and Pyroelectric Materials. Trans Tech Publications, Limited, 2011.
Trouver le texte intégralChapitres de livres sur le sujet "Electromechanical harvesting"
Badel, Adrien, Fabien Formosa et Mickaël Lallart. « Electromechanical Transducers ». Dans Micro Energy Harvesting, 27–60. Weinheim, Germany : Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527672943.ch3.
Texte intégralRafique, Sajid. « A Theoretical Analysis of an ‘Electromechanical’ Beam Tuned Mass Damper ». Dans Piezoelectric Vibration Energy Harvesting, 87–121. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69442-9_5.
Texte intégralBowen, Christopher R., Vitaly Yu Topolov et Hyunsun Alicia Kim. « Electromechanical Coupling Factors and Their Anisotropy in Piezoelectric and Ferroelectric Materials ». Dans Modern Piezoelectric Energy-Harvesting Materials, 23–57. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29143-7_2.
Texte intégralKumar, Deepak, et Roop Pahuja. « Energy Harvesting by Electromechanical System Using Weight Pulses ». Dans Advances in Automation, Signal Processing, Instrumentation, and Control, 2907–15. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8221-9_272.
Texte intégralDevine, Timothy A., V. V. N. Sriram Malladi et Pablo A. Tarazaga. « Electromechanical Impedance Method for Applications in Boundary Condition Replication ». Dans Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting & ; Dynamic Environments Testing, Volume 7, 93–96. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12676-6_9.
Texte intégralVu, Quyen, et Andrey Ronzhin. « A Model of Four-Finger Gripper with a Built-in Vacuum Suction Nozzle for Harvesting Tomatoes ». Dans Proceedings of 14th International Conference on Electromechanics and Robotics “Zavalishin's Readings”, 149–60. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9267-2_13.
Texte intégral« Analytical Distributed-Parameter Electromechanical Modeling of Cantilevered Piezoelectric Energy Harvesters ». Dans Piezoelectric Energy Harvesting, 49–96. Chichester, UK : John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119991151.ch3.
Texte intégral« Appendix H : Electromechanical Lagrange Equations Based on the Extended Hamilton's Principle ». Dans Piezoelectric Energy Harvesting, 381–83. Chichester, UK : John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119991151.app8.
Texte intégral« Approximate Analytical Distributed-Parameter Electromechanical Modeling of Cantilevered Piezoelectric Energy Harvesters ». Dans Piezoelectric Energy Harvesting, 151–97. Chichester, UK : John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119991151.ch6.
Texte intégral« Base Excitation Problem for Cantilevered Structures and Correction of the Lumped-Parameter Electromechanical Model ». Dans Piezoelectric Energy Harvesting, 19–48. Chichester, UK : John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119991151.ch2.
Texte intégralActes de conférences sur le sujet "Electromechanical harvesting"
Zhang, Xu-fang, Shun-di Hu et Horn-sen Tzou. « Electromechanical coupling and energy harvesting of circular rings ». Dans 2011 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA 2011). IEEE, 2011. http://dx.doi.org/10.1109/spawda.2011.6167301.
Texte intégralBukhari, Mohammad A., Feng Qian, Oumar R. Barry et Lei Zuo. « Effect of Electromechanical Coupling on Locally Resonant Metastructures for Simultaneous Energy Harvesting and Vibration Attenuation Applications ». Dans ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3176.
Texte intégralVieira, Wander G. R., Fred Nitzsche et Carlos De Marqui. « Non-Linear Modeling and Analysis of Composite Helicopter Blade for Piezoelectric Energy Harvesting ». Dans ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-8112.
Texte intégralKrishnaswamy, Arvind, et D. Roy Mahapatra. « Electromechanical fatigue in IPMC under dynamic energy harvesting conditions ». Dans SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, sous la direction de Yoseph Bar-Cohen et Federico Carpi. SPIE, 2011. http://dx.doi.org/10.1117/12.881092.
Texte intégralTsutsumino, Takumi, Yuji Suzuki et Nobuhide Kasagi. « Electromechanical Modeling of Micro Electret Generator for Energy Harvesting ». Dans TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2007. http://dx.doi.org/10.1109/sensor.2007.4300267.
Texte intégralAnton, Steven, et Daniel Inman. « Electromechanical Modeling of a Multifunctional Energy Harvesting Wing Spar ». Dans 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2011. http://dx.doi.org/10.2514/6.2011-2004.
Texte intégralAdly, A. A., et M. A. Adly. « Utilizing electromechanical energy harvesting in vehicle suspension vibration damping ». Dans 2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS). IEEE, 2016. http://dx.doi.org/10.1109/icecs.2016.7841291.
Texte intégralArrieta, Andres F., Peter Hagedorn, Alper Erturk et Daniel J. Inman. « Electromechanical Modelling and Experiments of a Bistable Plate for Nonlinear Energy Harvesting ». Dans ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2010. http://dx.doi.org/10.1115/smasis2010-3710.
Texte intégralArrieta, Andres F., Tommaso Delpero et Paolo Ermanni. « Analytical Electromechanical Model of Cantilevered Bi-Stable Composites for Broadband Energy Harvesting ». Dans ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/smasis2013-3137.
Texte intégralYoon, Heonjun, Byeng D. Youn et Heung S. Kim. « Analysis of Electromechanical Performance of Energy Harvesting Skin Based on the Kirchhoff Plate Theory ». Dans ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35433.
Texte intégralRapports d'organisations sur le sujet "Electromechanical harvesting"
Zhang, Qiming, et Heath Hogmann. Harvesting Electric Energy During Walking With a Backpack : Physiological, Ergonomic, Biomechanical, and Electromechanical Materials, Devices, and System Considerations. Fort Belvoir, VA : Defense Technical Information Center, janvier 2005. http://dx.doi.org/10.21236/ada428873.
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