Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 109 for “"energy harvester"”.
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Ultra wide-bandwidth micro energy harvester
… wide-bandwidth resonating thin film PZT MEMS energy harvester has been designed, modeled, fabricated and tested. It harvests energy from parasitic ambient vibration at a wide range of amplitude and frequency via piezoelectric effect. At the present time, the designs of most piezoelectric …
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Oscillating Energy Harvester for UUV Applications
… and optimization of a novel oscillating energy harvester for use in a Bluefin-21 UUV. Real-world vessel acceleration data was used to optimize the harvester for four different potential energy profile configurations: free-floating, linear monostable, nonlinear monostable, and bistable. …
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A MEMS magnetic-based vibrational energy harvester
… fabrication, and testing of a MEMS vibration energy harvester that is to operate at low frequency to power machine health monitoring. The energy harvester converts external vibration into electricity via the Lorentz-force by allowing a permanent magnet, which acts as an inertial mass, to …
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Backpack Energy Harvester with Human Walking Model
… analyze, and fabricate an innovative backpack energy harvester for human walking. To model human walking with backpack energy harvester, a simple dual-mass model has been developed and studied first. Dual-mass model for three types of distinct harvesters were investigated, pure damping, …
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Electromagnetic energy harvester and self-powered embedded system
Energy harvesting offers an important design option for creating sensing and control elements without a requirement for custom wiring or batteries. The independent and care-free nature of energy harvesting enables monitoring devices to penetrate wider and deeper into our daily lives, making …
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Designing and Optimizing Magnetohydrodynamic Induction Marine Energy Harvester
… presents a promising approach for harvesting energy from marine environments, offering a sustainable alternative for powering naval assets and coastal infrastructure. While energy harvesting technologies are widely used in terrestrial and aerial applications, their implementation in marine …
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Core Material Evaluation for Magnetic Energy Harvester Applications
Current transformer magnetic energy harvesters (CTMEHs) harvest magnetic energy from an AC current-carrying conductor and convert this energy into usable electrical energy for use by various low-power devices, such as sensors and microcontrollers. The amount of power harvested by CTMEHs is …
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Energy Harvester design and prototyping for AIoT industrial application
L'abstract è presente nell'allegato / the abstract is in the attachment
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Optimization of a vibrations based electromagnetic MEMS energy harvester
… the design and fabrication of an electromagnetic energy harvester on Silicon and MP35N metal alloy. The mechanical harvester is a spring-mass-damper system that converts mechanical energy into electrical energy. This project resulted in the development of an optimized design flow for vibration EM …
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Optimisation and frequency tuning concepts for a vibration energy harvester
… electronics has far outpaced the scaling up of energy density in batteries. Therefore, a great deal of research has been carried out to search for alternative power sources that can replace or enhance the conventional battery. Energy harvesting (also known as energy scavenging) is the process …
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Asic Design of RF Energy Harvester Using 0.13UM CMOS Technology
… or need to be removed for charging. RF energy harvesting technology can be used to charge these batteries without the need to remove the battery from the device, thus providing a sustainable power supply. In other cases, a battery can become unnecessary altogether. This enables us to …
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Modeling and design of a MEMS piezoelectric vibration energy harvester
… of MEMS-scale piezoelectric-based vibration energy harvesters (MPVEH) are presented. The work is motivated by the need for pervasive and limitless power for wireless sensor nodes that have application in structural health monitoring, homeland security, and infrastructure monitoring. A review …
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Design of a fluidic test bed for MEMS piezoelectric energy harvester
… transform the mechanical vibration to electrical energy, the scaled down model will be used as a test bed for future prototype PMPG designs. After modeling the Alaskan pipeline and designing it around dimensional analysis, a Vernier Low-g accelerometer is used to measure the vibration spectrum. …
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Design, Modelling, and Test of an Electromagnetic Speed Bump Energy Harvester
Speed bump energy harvester, which aims to harvest energy from the passing by vehicles by absorbing their kinetic and potential energy, is designed, fabricated, simulated, and tested in this research. The proposed design is analyzed with a theoretical modelling which has then been validated with a …
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Development of an Electromagnetic Energy Harvester for Monitoring Wind Turbine Blades
… focuses on developing an electromagnetic energy harvester for powering structural health monitoring (SHM) equipment inside a turbine blade. The harvester consists of a magnet inside a tube with coils outside the tube. The changing orientation of the blade causes the magnet to slide along …
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Design and optimization of an MHD energy harvester for intelligent pipe systems
… thesis, an innovative Magnetohydrodynamic (MHD) energy harvester with the use of the magnetic concentrator is designed and optimized. A theoretical model relating the conductivity of water, magnetic flux density B, flow velocity u and the channel volume to the power output is first established. …
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Design of Power Converter and Wireless Data Acquisition System for TEG Energy Harvester
… is powered by the Thermoelectric Generator (TEG) Energy Harvester is designed and built. Meanwhile, a power converter circuit has also been designed to converter the output voltage of TEG Energy Harvester to a DC voltage to charge the battery or power the application systems. Several prototypes …
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Archimedean Screw Turbine Based Energy Harvester and Acoustic Communication in Well Site Applications
… maintenance has turned people's attention to the energy harvesting technology, hoping for a more sustainable solution. Power supply is only half of the problem. To retrieve the data recorded by the various sensors in the downhole environments, a reliable way of wireless communication is required. …
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