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 6 of 6 for “"Silent Operation"”.
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Mechanism of oxygen reduction reaction on transition metal oxide catalysts for high temperature fuel cells
… energy conversion efficiency, low emissions, silent operation and its ability to utilize commercial fuels has the potential to create a large impact on the energy landscape. Although SOFCs do not require noble metal catalysts, it has the disadvantage of having to operate at elevated …
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Analysis of Hybrid Electric Autonomous Tactical Support System
… and reducing resupply tethers for small unit operations is a high priority for the armed forces. The Hybrid Electric Autonomous Tactical Support System directly and efficiently tackles both problems head on by synergizing efforts to lighten the load and self sustaining base power by combining …
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Development of a Hydrogen Producing Thermal Control for Chemical Hydrogen Storage
… as a backup power generator due to its silent operation and large volumetric energy density. Since the hybrid reactor can provide quiet and cool energy storage in a relatively small volume, it may become an effective and efficient means for hydrogen storage with limited improvements.
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Direct Back EMF Detection Method for Sensorless Brushless DC (BLDC) Motor Drives
… recent years because of their high efficiency, silent operation, compact form, reliability, and low maintenance. Traditionally, BLDC motors are commutated in six-step pattern with commutation controlled by position sensors. To reduce cost and complexity of the drive system, sensorless drive is …
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Modular Vehicle Design Concept
… vehicle to a specific mission and area of operation. Off-road vehicle progression through history is presented and successful design features are noted in order to develop underlying goals for the modular vehicle. The thesis emphasizes recent technology advancements that can shift the …
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Design and Analysis of Biomimetic Medusa Robots
… density which enables a compact system size and silent operation which is preferred for surveillance. SMA wires mimic the form and function of natural muscles; allowing for a wider range of applications than conventional actuators. Commercial SMA wires (100 um in diameter) can exhibit a 4% …