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 17 of 17 for “"Device Testing"”.
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Device testing and characterization of thermoelectric nanocomposites
… to allow soldering and power conversion testing. Results of this work will show that the nanocomposite efficiency is higher than the commercial standard. Electrical contact remains a challenge in realizing the potential efficiency.
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Multifunctional soft robotic devices and cardiac benchtop models for improved therapy delivery and development
… of multifunctional implantable therapy delivery devices with dynamic drug delivery capabilities, and (2) a high-fidelity benchtop model that recreates cardiac anatomy and physiology. Part 1 involves the development of implantable, soft robotic devices that can dynamically respond to their local …
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Ionically-Coupled Non-Linear Variable Resistors for Neuromorphic Applications
… networks is developed and investigated. The device is based on the action of ion intercalation of lithium ions into PEDOT:PSS active layers causing resistance to increase, similar to a memristor. A simple model is developed and implemented in SPICE to predict device behaviour, and a …
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Coupling light to superconductive photon counters
… to fabricate SNSPDs, and has demonstrated device-detection-efficiency above 50% at near infrared wavelengths. However, one remaining challenge must be taken - efficiently coupling light into the detector. This step is difficult because of the small active area of the SNSPD and its low …
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Cryogenic characterization of Josephson junctions
… of low-temperature quantum electronics. Reliable device testing provides the feedback to fabrication process development, facilitating the rapid development of quantum devices. The research presented in this thesis explores the cryogenic testing, analysis, and characterization of a superconducting …
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Thermoelectric device characterization and solar thermoelectric system modeling
… on energy efficiency. Thermoelectric (TE) devices can be used either as heat pumps for localized environmental control or heat engines to convert heat into electricity. Thermoelectrics are appealing because they have no moving parts, are highly reliable, have high power densities, and are …
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Modeling of gallium nitride transistors for high power and high temperature applications
… Si for new generation of high efficiency power devices. GaN has attracted a lot of attention recently because of its superior material properties leading to potential realization of power transistors for high power, high frequency, and high temperature applications. In order to utilize the full …
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Efficient Utilization of Solar Energy in Dye-Sensitized Solar Cells and in the Photocatalytic Reduction of Carbon Dioxide
… donor. Dyes made from this novel donor and devices using the Γ-/I 3- reached up to 5.4% efficiency. This donor was then systematically improved by the addition of non-conjugated substituents, which acted as good surface blocking groups and thus facilitated high performance during device …
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A device for quantitative assessment of thumb Ulnar Collateral Ligament injury
… to ensure accurate diagnosis. This additional testing delays the treatment and adds to the cost of care. A method to quantitatively assess the thumb UCL in a clinical setting is desired. This thesis presents the deterministic design of a device to quantitatively measure the stiffness of the …
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Analysis & characterization of a flow thermo-electrochemical cell for power generation & heat convection
… thermo-electrochemical energy generation, actual device fabrication, device testing, results, and applications of this technology. Thermo-electric devices (TE devices) exhibit the thermo-electric effect, where temperature gradients and material properties work in tandem to drive electron transfer …
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Gate-Oxide-Short Defect Analysis and Fault Modeling Based on FinFET's 3D Structure
… have caused new challenges in achieving reliable device testing. With the emergence of new types of defects and dominance of others, accurate modeling of the defects and generation of reliable fault models are essential to create realistic set of test vectors to detect the defects.Automatic test …
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Dynamic solid state lighting
… temperature of daylight within ±500 K (kelvin). Device testing and validation were performed in a series of experiments in which the radiant power was collected using a radiometrically calibrated spectrometer with an expanded uncertainty (k = 2) of 14% and validated against a model derived by …
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Switching-Loss Measurement of Current and Advanced Switching Devices for Medium-Power Systems
… of these losses are due to the use of switching devices themselves. Device losses can be apportioned to conduction loss and switching loss. It is commonly known and practiced that conduction loss can be reduced by driving MOSFETs and IGBTs harder with gate voltages closer to the maximum rating. …
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Mechatronic and biomechanical considerations toward the design of an ankle clonus simulator
… on the foot structure of the simulator. Off-device testing stations/fixtures for these sensors were built to evaluate the selected sensor’s efficacies and also to inform us of the final torque error margins (<5%) and ankle angle margins (<1%) that the clonus simulator would operate in. …
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Soft Robotic Platforms for the Simulation of Cardiovascular Disease and Device Development
The advancement of safe and effective medical devices critically hinges on the utilization of high-fidelity models of human disease. The closer these models emulate the intricacy of pathophysiological phenomena driving diseases and their effects, the greater their potential impact on clinical …
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Identifying and Reducing Variability, Improving Scaffold Morphology, and Investigating Alternative Materials for the Blood Vessel Mimic Lab Electrospinning Process
… evaluate cellular response to vascular medical devices. Currently, cells are grown onto fibrous, porous tubes made using an in-house electrospinning process from PLGA, a biocompatible co-polymer. The adhesion and proliferation of cells in a BVM is reliant on the micro-scale structure of the PLGA …
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Combined in vitro - in silico approaches to standardise the orthopaedic plate performance testing
L'abstract è presente nell'allegato / the abstract is in the attachment