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.
Results
Showing 1 to 9 of 9 for “"Electrical Loading"”.
-
Broadband acoustic energy harvesting via synthesized electrical loading
… and delivered power measurements with resistive loading. The AEH design was loaded with the designed conjugate matched load, with corresponding experimental voltage and delivered power measurements to demonstrate power output and bandwidth improvement. While stability challenges and sensitivity …
-
Experimental Characterization of Dynamic Electrical Loading for Structural Battery Applications
… vehicles, there is a need for representative electrical loading conditions, operating requirements, and testing methodologies suitable for prototype development and evaluation. In this thesis, commercial 1:10 scale RC vehicle platforms were used as experimental platforms to investigate …
-
Induced Damping And Its Relationship To Beneficial Energy Harvesting In Dielectric Elastomers With Application To Walking
… across the dielectric polymer to convert between electrical and mechanical energy, is employed in this research. As with most EAPs, DE materials are highly nonlinear and require novel models to understand the electromechanical coupling and the effects of energy harvesting on the host structure …
-
Rotordynamic assessment for a permanent magnet synchronous motor
… in particular, combined with high magnetic and electrical loading, are key enablers for obtaining high specific power in electric machines. The rotor described in this thesis pushes the tip speed to about 80% of the speed of sound. An outer rotor design with a carbon-fiber retaining ring on the …
-
Insulation considerations and qualifications for form-wound air-core armature windings in high-frequency electrical machines
High specific power electrical machines are a key enabling technology in hybrid electric aircraft. Specific power can be increased by increasing the machine's electrical loading and operating frequency, which often increases the machine's operating temperature and requires a strong insulation …
-
Hardware model of a shipboard generator
… that provides speed response to a change in electrical loading. The GTG model takes into account basic physical characteristics of gas turbine generators and is tuned to provide a response similar to that of the destroyer's Allison 501-K34 GTG. An empirical open-loop model of the tabletop …
-
Modeling for ship power system emulation
… has been an ever increasing effort to ensure an electrical distribution system that maintains maximum capabilities in the event of system faults. This is to ensure that the crew has the ability to complete real time tactical missions in the event of battle damage to any localized portions of the …
-
Modeling and characterization of ionic polymer transducers for sensing and actuation
… the ability to convert energy between chemical, electrical and mechanical domains, these materials offer potential for use in numerous engineering applications. The research presented in this dissertation focuses primarily on the electromechanical coupling that exists within these ionic polymer …
-
Development and Characterization of a Mechanically Prestressed Piezoelectric Composite
… on the composite's response to mechanical and electrical loading. By determining the slope of the electrically and mechanically induced displacement response of the device, the investigation was able to define the center displacement constant and effective spring constant of the unimorph. These …