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 53 for “"Component selection"”.
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Semantic component selection
… and using novel techniques to define a generic selection/categorisation framework. Implementing the framework outlined in the thesis improves an existing algorithm of semantic distance acquisition. Finally, as a novel approach to the extraction of semantic information is proposed, there exists a …
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Structured methodology for knowledge acquisition in kit component selection
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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A graphical framework for component selection in mechatronic design of robotic systems
… dependent on the correct specification and selection of components to be used in that system. Whilst material selection and part design for housings, etc. are critical tasks, in any system required to provide some physical capability (displacement, pressure, measurement capability, etc.) it …
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Slip clutch design for position sensitive systems in marine environments
… due to minor design flaws and mechanical component selection. One component selection that required improvement was the torque limiting slip clutch used in both the pan and tilt drive sections. The unit selected induced positioning errors resulting from backlash inherent to its design. The …
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Design and implementation of a rotary fast tool servo for a turning machine
… describes the development of the RFTS, including component selection and testing. We also detail the design and fabrication of the RFTS that is installed in a prototype turning machine.
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Design of a smart fishing rod
… for Nordic Angling. The process includes careful component selection, circuit design, PCB assembly, programming as well as testing and evaluation.
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LIDAR design for space situational awareness
… of the basic operational principles, the major components, the impact of one design choice on all other decisions, and guidelines for making design choices when designing a space based LIDAR for Space Situational Awareness applications. System operational constraints, demands on the host …
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Design of a Robotic Arm Manipulator Camera Unit for Mini Underwater Remotely Operated Vehicles
… This thesis discusses the design considerations, component selection, and system prototype (including the use of image processing to improve the underwater image for the operatorʼs viewing) of an affordable camera unit for mini ROV robotic manipulators.</p>
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Current Shuttling Cell Voltage Balancers: Design, Evaluation, and Simulation
… across battery cells to equalize voltages. Component selection of MOSFETs and capacitors is vital in optimizing for performance, cost, and volume. This thesis presents experimental and PSpice simulation data from several capacitor-based charge pump configurations designed for cell voltage …
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Optical SNS folding circuit design
… of the optical front end of the ADC. Each component considered for the 8-bit optical design is discussed and the reason for the component selection is given. The 8-bit optical design is then documented and tested
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Model combination by decomposition and aggregation
… models are first decomposed into a group of components or features and then components are selected and aggregated into a composite model based on data. However, in implementing this new method, some central challenges have to be addressed, which include candidate model choice, component …
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Bi-directional Flyback Converter Circuit Design for Flapping-wing Microrobots
… presented. It can be shown that with a careful component selection and a careful pulse frequency modulation, the bidirectional flyback converter can achieve a much better power consumption than a tapped boost circuit while maintaining the same or better level of performance.
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Development of a cold gas propulsion system for the TALARIS hopper
… computer design and analysis methods, and component selection and evaluation. System construction and testing are also covered, as are design modifications resulting from these activities. Details of the system's integration into the broader TALARIS project are also presented. Finally, …
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Control Design of a Single-Phase DC/AC Inverter for PV Applications
… inverter control design, and hardware component selection. Controllers are designed both for stand-alone and grid-connected modes of operation. For stand-alone inverter control, the outer control loop regulates the filter capacitor voltage. Combining the synchronous frame outer control …
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DESIGN OF AVIONICS AND CONTROLLERS FOR AUTONOMOUS TAKEOFF, HOVER AND LANDING OF A MINI-TANDEM HELICOPTER
… for a twin rotor. It involves electronic component selection and integration, software development, system identification and design of zero rate compensators. The compensators designed are responsible for autonomous take-off, hover and landing of this unmanned aerial vehicle (UAV). Both …
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Design of a Printed Circuit Board for a Sensorless Three-Phase Brushless DC Motor Control System
… powered by a 24 V, high current external supply. Components used were selected to withstand an ambient temperature environment of 125 degrees C.</p> <p>The design for this PCB based motor control system was completed but fabrication and testing of the system was prevented by COVID-19 related …
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Design and Evaluation of a Powered Series-Elastic Cycloidal Ankle (CyAn) Prosthesis
… optimization of electrical energy consumption, component selection, and benchtop and clinical evaluation. This thesis describes the detailed design and analysis of the CyAn prosthesis, including a parametric model for predicting device performance, fatigue life calculations, and mechanical …
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Assessment of the performance of a Photovoltaic (pv) system for powering electrolysers in the green hydrogen project at Tsau//khaebs National Park using modelling and simulation approach
… power the electrolyser, involving site analysis, component selection, and system optimisation using PVsyst and Fraunhofer Zenit. Economic evaluation was conducted via Levelized Cost of Energy (LCOE) calculations. A site investigation using QGIS, Google Earth, and SolarGIS determined the …
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Design of a low-cost high speed data capture card for the Hubble Sphere Hydrogen Survey
… could be achieved in terms of design decisions, component selection and schematic capture. The final design. AstroGIG, satisï¬ es the user speciï¬ cations by capturing data up to a full power bandwidth of 1.7GHz with an instantaneous bandwidth of ≤ 250MHz white maximizing the dynamic range. …
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Reducing the cost of quality (COQ) through increased product reliability and reduced process variability
… in product design, product validation, component selection, or manufacturing processes. The Cost Of Quality methodology described here is a practical approach to a) quantifying the financial impact of quality defects, b) shifting the problem-solving focus from "find-and-fix" to …
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