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 60 for “"transfer systems"”.
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The investigation of novel charge transfer systems.
… with a view to preparing a new type of charge transfer polymer system having a structure based on that of side chain liquid crystal polymers, in that the hoped for polymer was composed of charge transfer acceptors connected to a polymer backbone via a flexible alkyl spacer linkage. As part of …
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Efficient Magnetic Resonance Wireless Power Transfer Systems
… performance of magnetic resonance wireless power transfer systems. Different factors have different effects on the performance and the efficiency of the maximum transfer of power in the system. These factors are: the resonance frequency; the quality factor of the resonators; the value and shape of …
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Poly-phase inductively coupled power transfer systems
… tolerance to lateral movement of inductive power transfer (IPT) pickups. IPT is a technology that is widely used for providing power to mobile loads in industrial situations or for monorails where the path of the load is well defined and tightly constrained. A poly-phase track provides greater …
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An investigation of didactic energy transfer systems
… design of electrical and mechanical engineering systems. There was interest in developing a series of new laboratory experiments that would demonstrate methods of energy conversion to students. The experiments are focused on the topic of energy conversion and they introduce topics from …
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Design and Control of Capacitive Power Transfer Systems
Wireless power transfer (WPT) has enjoyed growing popularity in the past few decades as it provides a flexible and effective way of delivering power to loads without any physical contact. Among all the forms of conducting WPT, inductive power transfer (IPT) technology is the most extensively used. …
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An examination of transfer systems in tire manufacturing
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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Nonlinear Effects in Contactless Ultrasound Energy Transfer Systems
Ultrasound acoustic energy transfer (UAET) is an emerging contactless technology that offers the capability to safely and efficiently power sensors and devices while eliminating the need to replace batteries, which is of interest in many applications. It has been proposed to recharge and …
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Fully Integrated Data and Power Transfer Systems with Galvanic Isolation
… the design of galvanically isolated integrated systems as a part of a research project at the RF ADC by exploiting STMicroelectronics technology platforms providing on chip galvanic isolation. This technology was previously addressed to the implementation of isolated data transfer and it is …
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Maximizing Flexibility and Efficacy of Undersea Wireless Power Transfer Systems
… this is with remote undersea wireless power transfer (WPT) systems to allow AUV charging from remote areas of the ocean floor. While there has been significant research in WPT system design, these projects often tailor the design specifications towards a specific AUV shape, size, or power …
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A decision framework for consmer-oriented electronic funds transfer systems
Thesis. 1977. M.S.--Massachusetts Institute of Technology. Alfred P. Sloan School of Management.
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Theoretical Parametric Study of Through-Wall Acoustic Energy Transfer Systems
… require novel solutions for contactless energy transfer. Many engineering applications require unique approaches to power electrical components without using physical wires. In the past decade, awareness of the need to wirelessly power electrical components spawned many forays into the field of …
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Design of contactless capacitive power transfer systems for battery charging applications
… first proposed topology could yield higher power transfer for small air-gap applications. The topology proposed exhibits better efficiency and has several advantages compared to the existing topologies for small air gap applications. The second topology is called the Dual LC topology, which …
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Active Vibration Suppression for Wafer Transfer Systems in Semiconductor Fabrication Plants
… suppression is critical in precision mechatronic systems for nanofabrication. In semiconductor plants, automated wafer handling is performed by Overhead Hoist Transport (OHT) vehicles that transport wafers in front opening unified pods (FOUPs). When the wafers are transported in FOUPs, …
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DESIGN OF DYNAMIC CAPACITIVE WIRELESS POWER TRANSFER SYSTEMS FOR ELECTRIC VEHICLE CHARGING
Dynamic wireless power transfer (WPT) systems can potentially accelerate the penetration of electric vehicles (EVs) in the market by enabling stationary, semi-dynamic, and dynamic charging, thereby reducing EV costs, eliminating charging time, and enabling unlimited range. Furthermore, dynamic WPT …
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Development of in vitro regeneration and gene transfer systems for conifer species
In vitro shoot establishment and proliferation of Sequoia sempervirens Endl. stem segments on a Wolter and Skoog (WS) medium supplemented with 15 $\mu$M zeatin was found to be optimum for shoot proliferation. Using in vitro-grown needles of S. sempervirens, shoot organogenesis and somatic …
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Dynamics of Multi-functional Acoustic Holograms in Contactless Ultrasonic Energy Transfer Systems
Contactless ultrasonic power transfer (UPT), using piezoelectric transducers, is based on transferring energy using acoustic waves, in which the waves are generated by an acoustic source or transmitter and then transferred through an acoustic medium such as water or human tissue to a sensor or …
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Modelling and Analysis of Close Contact Ultrasonic Power Transfer Systems with Metal Barriers
… of the container. Consequently, wireless power transfer technologies are employed to retain the structural integrity of metallic containers. An emerging wireless power technology that is not limited by metal barriers is Ultrasonic Power Transfer (UPT), using mechanical particle vibrations and …
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Resource allocation and secure communication design in simultaneous wireless information and power transfer systems
Radio frequency (RF) energy transfer techniques have been regarded as the key enabling solutions to supply continuous and stable energy for the energy-constrained wireless devices. Simultaneous wireless information and power transfer (SWIPT) has been developed as a more promising RF energy transfer …
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Dowel load transfer systems for full-depth repairs of jointed Portland cement concrete pavements
A design procedure is proposed for dowel load transfer systems in full-depth repairs of jointed Portland cement concrete pavements. Design traffic levels and joint faulting specifications are input to determine maximum allowable bearing stresses in the dowel load transfer system. Adjustments for …
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Loosely Coupled Transformer and Tuning Network Design for High-Efficiency Inductive Power Transfer Systems
Transfer signal without wire has been widely accepted after the introduction of cellular technology and WiFi technology, hence the power cable is the last wire that has yet to be eliminated. Inductive power transfer (IPT) has drawn substantial interest in both academia and industry due to its …
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