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 20 of 27 for “"electrical design"”.
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Electrical design of structurally tunable skin overlays
… attached electronic control circuitry. Modular electrical design of the system includes a bare-bones processor board with three optional, interchangeable, stackable peripheral modules: a programming and debugging module, a Bluetooth module, and an accelerometer module. The modular circuits in …
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Electrical Design Considerations and Packaging of Power Electronic Modules
… the Q3D Extractor. These methods were applied to design and analyze a 50KVA 650V silicon carbide (SiC) half-bridge power electronic power module consisting of three separate power substrates interconnected in parallel. The layout of this power module was constrained by the existing module housing. …
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Electrical Design and Testing of an Uplink Antenna for Nanosatellite Applications
Virginia Tech, Utah State University, and the University of Washington were teamed to form the Ionospheric Observation Nanosat Formation to investigate formation-flying requirements for multiple spacecraft missions. A communication subsystem for the mission will comprise an uplink, downlink and a …
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Bring-up of Tello– a dynamic humanoid robot
This thesis documents the electrical design, simulation, control software, and multiple mechanical additions that have comprised the bring-up of RoboDesign Lab’s dynamic humanoid robot- Tello. Designed for research of teleoperation through real-time synchronization of robots and human pilots, the …
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Electronics for a Versatile and Robust Retarding Potential Analyzer for Nano-Satellite Platforms
… use to larger satellites. In this thesis, the electrical design and basic testing of a retarding potential analyzer for use on resource- limited cubesat platforms are described. The mechanical design of the retarding potential analyzer is first described, and the requirements of the electrical …
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Design and analysis of a battery for a formula electric car
… the philosophy and methodology behind the design of the battery pack for MITs 2013 Formula SAE Electric racecar. Functional requirements are established for the pack. An overview of cell chemistry, pack size and configuration selection process to meet these requirements is given. Next, the …
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Design of control electronics for the Ram Energy Distribution Detector
… use to larger satellites. In this thesis, the electrical design and basic testing of a cubesat compatible RWS known as the ram energy distribution detector (REDD) are described. The mechanical design of the REDD sensor is first described, and the requirements of the electrical design are …
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Robotic Platform for Internal Inspection
This thesis describes the design of a robotic inspection tool which is based on a differential track-drive platform. The robotic inspection tool is a one man-portable UGV that has been developed for the purpose of non-destructive evaluation (NDE) and internal inspection of environments where human …
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Development of an Apparatus and Testing Strategy for Characterizing Rolling Resistance of Omnidirectional Wheels
… and few agreed-upon standards exist for their design and testing. This thesis covers the design of a test procedure and its requisite test apparatus to characterize the rolling resistance of omni wheels across various test conditions, and focuses specifically on the mechanical and electrical …
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Design of rectifier power supplies for Thermal Energy Storage System
… sources. This work is focused on investigating design and utilizing of cost-effective Thermal Energy Storage System (TESS) which has longer life-time as an alternative to Battery Energy Storage System. Both thermal and electrical design aspects are investigated in this work. For thermal part; …
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Design of a triple singularity drive for mobile wheeled robots
… with a discussion of the mechanical and electrical design of a robot prototype, then into kinematic modeling of the system. Both the inverse and forward kinematics are derived and validated through a path following experiment using an open loop controller. For this experiment, the robot …
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A 9GHz injection locked loop optical clock receiver in 32-nm CMOS
… technology environment of the monolithic optical/electrical chip, and then focuses on how an optical method would look like for both source-synchronous link and for on-chip global clock distribution. The injection-locked loop clock receiver that suits this architecture breaks the …
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Grid integration of wave energy & generic modelling of ocean devices for power system studies
… node in the grid to which it is connected. The electrical design of a typical wave farm design is also studied in terms of minimum rating for three types of costly pieces of equipment, namely the VAr compensator, the submarine cables and the overhead line. The power losses dissipated within the …
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Improving a Low-Cost Intravenous Infusion Flow Rate Monitoring Device for Paediatric Care in Humanitarian Healthcare Settings
… of a low-cost flow rate monitor. An improved electrical design using open source software tools was implemented. This involved choosing components, designing a schematic and printed circuit board layout. Major changes concerned the integration of a rechargeable lithium-ion battery with a power …
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Triple Scissor Extender : A 6-DOF lifting and positioning robot for autonomous aircraft manufacturing
… position with an arbitrary orientation. The design concept of the Triple Scissor Extender is presented, followed by kinematic modeling and analysis of the the Inverse Jacobian relating actuator velocities to the end-effector velocities. The Inverse Jacobian eigenvalues are determined for …
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Design and analysis of solar cells by coupled electrical - optical simulation
<p>Careful electrical design and optical design are both crucial for achieving high-efficiency solar cells. It is common to link these two aspects serially; the optical design is first done to minimize reflection and maximize light trapping, and then the resulting optical generation rate is input …
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Mechatronic design of an ISO 22675 prosthetic foot tester
… at MIT have been actively working on an improved design of the most widely distributed prosthetic foot in India, known as the Jaipur Foot. By developing an ISO 22675 prosthetic foot life cycle tester, researchers in GEAR Lab can test the durability of the prosthetic designs and fulfill the life …
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Development of a Novel Zero-Turn-Radius Autonomous Vehicle
… was given to the vehicle's mechanical and electrical design, sensing and computing systems, and navigation strategy. Each of these areas was addressed individually, but always within the context of optimal integration to produce the best overall vehicle system. A constraint that directed …
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Signal processing techniques for on-line partial discharge monitoring of high voltage electrical machines.
Large alternating current electrical machines are found everywhere in modern industry. Traditionally, electrical plants have been highly reliable, primarily because the complexity of their electrical design means that they are generously over-rated. However, modern rotating electrical machines are …
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III-V compound semiconductor integrated charge storage structures for dynamic and non-volatile memory elements.
… effect transistor structures were conceived, designed, fabricated, and tested within this study. The purpose was to analyse new types of charge storage devices, which are suitable for fabrication and lead to the development of dynamic and nonvolatile memories in III-V compound semiconductors. …
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