Search for dissertations about: "Energy harvester"
Showing result 6 - 10 of 13 swedish dissertations containing the words Energy harvester.
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6. Studies On Design of Near-Field Wireless-Powered Biphase Implantable Stimulators
Abstract : Portable and implantable electronics are becoming increasingly important in the healthcare sector. One of the challenges is to guarantee stable systems for longer periods of time. If we consider applications such as electrical nerve stimulation or implanted ion pumps, the requirements for, e.g. READ MORE
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7. Vibrational energy harvesting for sensors in vehicles
Abstract : The miniaturization of semiconductor technology and reduction in power requirements have begun to enable wireless self-sufficient devices, powered by ambient energy. To date the primary application lies in generating and transmitting sensory data. READ MORE
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8. Wirelessly Powered Communications: From Signal Optimization to Antenna Design
Abstract : Future internet-of-things (IoT) and beyond 5G communication systems are envisioned to offer large-scale wireless connectivity where the different components of life, society and industry are connected in a smart yet sustainable way. The need for continuous battery charging and/or replacement is a bottleneck for sustainability in these systems. READ MORE
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9. Highly-Efficient Energy Harvesting Interfaces for Implantable Biosensors
Abstract : Energy harvesting is identified as an alternative solution for powering implantable biosensors. It can potentially enable the development of self-powered implants if the harvested energy is properly handled. This development implies that batteries, which impose many limitations, are replaced by miniature harvesting devices. READ MORE
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10. Towards an on-chip power supply: Integration of micro energy harvesting and storage techniques for wireless sensor networks
Abstract : The lifetime of a power supply in a sensor node of a wireless sensor network is the decisive factor in the longevity of the system. Traditional Li-ion batteries cannot fulfill the demands of sensor networks that require a long operational duration. READ MORE