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 11 of 11 for “"Wireless Power Transmission"”.
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Metamaterial Enhanced Wireless Power Transmission System
… the possible benefits of transmitting power wirelessly as early as 1891. Applications for the military, consumers, emergency personnel, remote sensors, and others use Tesla’s discovery of wireless power. Wireless power transmission (WPT) has the potential to be a common source of …
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Wireless communication system for data transfer and wireless power transmission
Powering wireless communication devices remotely is necessary when a user of the communication device has limited access to battery power or the resources necessary to constantly replace the batteries. This research is focused on remotely charging a communication device by using the power of the …
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Wireless power transmission utilizing a phased array of Tesla coils
… how they can be linked in a phased array for the wireless transmission of electrical power. A detailed derivation of their operational theory is presented with a strong emphasis on the current and voltage waveforms produced. Formulas are presented relating the features of the waveforms to specific …
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Design of a wireless power transmission system for sensors in a household environment
… is designing an economically viable means to power them at such a large scale, which a wireless power transmission system could facilitate. This thesis addresses the challenge of selecting an appropriate strategy for power transmission and demonstrating its feasibility within a household …
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Design and manufacturing analysis of resonantly coupled circuits and other components used for applied wireless power transmission : application analysis
… coupled circuit used to receive and transmit wireless energy. Ultimately, the wireless energy is used to generate heat, which in turn causes a polymeric material to expand, thereby creating a mechanical force to disengage the locking mechanism. The analysis considers the force generated …
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Distribution power level by GSM900 base station for RF energy harvesting
… frequency (RF) energy to DC (direct current) power is an evidence of achievement in the field of electronic microwave. With the rapid development in the field of wireless communications the density of microwave energy become higher and allows the microwave energy harvesting and thus stronger …
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Wireless transmission of power for sensors in context aware spaces
In the present thesis I create and use wireless power as an alternative to replace wiring and batteries in certain new scenarios and environments. Two specific scenarios will be highlighted and discussed that motivated this research: The Interactive Electromechanical Necklace and the …
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Characteristics of different focusing antennas in the near field region
… interest in many application including microwave wireless power transmission, remote (non-contact) sensing, and medical applications. Different kinds of antennas such as array antennas, reflector antennas and Fresnel zone plate (FZP) antennas have been used for these applications. Here, first, a …
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Circuits for efficient and secure power delivery in distributed applications
… IoT devices presents new challenges in power delivery. Existing frameworks for charging electronic devices, be they wired or wireless, either end up limiting the amount devices can be shrunk due to the size of standardized connectors or end up restricting their free placement due to …
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Smart Textile Lighting/Display System and Future Quantum Dot Light Emitting Diode
… far- field ultraviolet (UV) detection, wireless power transmission with RF signal, energy storage and video/image/information displaying. To further improve the display unit, a quantum dot light-emitting diode (QDLED) based textile display was developed. The electrode with lab …
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Improvements in Inductively Coupled Wireless Power Transfer Through Non-Sinusoidal Excitation and Closed-Loop Operation Using Optical Feedback
… improve the performance in inductively coupled wireless power transfer (WPT) systems. The first is non sinusoidal excitation technique. By analysing the characteristics of rectifier diodes, LR time constant, and circuit impedance for nonlinear signals, a triangular pulse input is designed to …