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 17 of 17 for “"power system design"”.
-
Low-Power System Design for Impedance-Based Structural Health Monitoring
… structures. A structural health monitoring (SHM) system intends to identify damage on the structure under monitoring, so that necessary action can be taken in advance to avoid catastrophic results. Impedance-based SHM utilizes a piezoelectric ceramic as a collocated actuator and sensor, which …
-
Mobility feasibility of fuel cell powered hopping robots for space exploration
… interest to scientists. This thesis studies the power and mobility feasibility of the Microbot hopping robot concept. One of the most important mobility issues for autonomous robots is the availability of energy and how that energy is used. The Microbot utilizes a hydrogen fuel cell power system. …
-
New Techniques in the Design of Distributed Power Systems
Power conversion system design issues are expanding their role in information technology equipment design philosophies. These issues include not only improving power conversion efficiency, but also increased concerns regarding the cost and complexity of the power conversion design techniques …
-
QUANTITATIVE RELIABILITY ANALYSIS OF A HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM
… are an important aspect of overall power system design, planning and operation. This thesis illustrates the application of probability techniques to the reliability evaluation of a three phase HVDC bridge composed of mercury arc valves. The approach is developed by which the number …
-
Power System Reliability Analysis with Distributed Generators
Reliability is a key aspect of power system design and planning. In this research we present a reliability analysis algorithm for large scale, radially operated (with respect to substation), reconfigurable, electrical distribution systems. The algorithm takes into account equipment power handling …
-
Design considerations for engineering autonomous underwater vehicles
… are breaking new ground in many applications. Designing an autonomous vehicle to work in the harsh environment of the deep ocean comes with its set of challenges. This paper discusses how the current engineering technologies can be adapted to the design of AUVs. Recently, as the AUV technology …
-
Design considerations for engineering Autonomous Underwater Vehicles
… are breaking new ground in many applications. Designing an autonomous vehicle to work in the harsh environment of the deep ocean comes with its set of challenges. This paper discusses how the current engineering technologies can be adapted to the design of AUVs. Recently, as the AUV technology …
-
The design of a power system using treated aluminum fuel
… This fuel has been successfully tested in a power system, in which a fuel cell generated 30 watts for 90 minutes using only hydrogen. Firstly, an introduction and background is given on the benefits and challenges of using hydrogen as a fuel. The basic chemistry and background behind using …
-
Optically Controlled High Power High Speed Wide Band Gap Devices
… the past few years in the areas of wide bandgap power electronics for high speed, high power and high efficiency switches which enable innovative approaches to compact pulse power system design and implementation. In the area of high speed pulse technology, optical techniques are clearly superior …
-
Analyzing the effects of component reliability on naval Integrated Power System quality of service
The Integrated Power System (IPS) is a key enabling technology for future naval vessels and their advanced weapon systems. While conventional warship designs utilize separate power systems for propulsion and shipboard electrical service, the IPS combines these functions. This allows greater …
-
A Study of Remote Area Internet Access with Embedded Power Generation
… to provide Internet access with embedded power generation in remote areas. The objective is to provide a screening tool for policy makers to analyze possible telecom and power alternatives. Results from the study demonstrate the technical alternatives to providing sustainable Internet and …
-
On the protection of compact DC power systems with high-power energy storage
High-power energy storage systems (ESS) are being considered for future aerospace platforms and other compact DC power system applications to improve the overall transient performance of electrical power distribution systems. These sources are being integrated with advanced bidirectional power …
-
Condition based monitoring and protection in electrical distribution systems
… be expected to compute information about their power consumption. New utility meters will need to communicate bidirectionally, and may need to compute parameters of power flow not commonly assessed by most current meters. These meters may be called upon to perform not only energy score-keeping, …
-
The Analysis and Study of Power System Designs for Same Polytechnic College in Tanzania
… thesis aims to study and analyze the electrical power system and distribution for the college. Based on the projected load profile of the college and high potential for solar generation in Tanzania, several different power systems utilizing local utility AC electricity and/or photovoltaic (PV) DC …
-
The Design of a Power System For a Wireless Sensor Network For Long-Term Operation
… and success of WSNs. This thesis details the design of a power system to support long-term operation of WSNs. The power system’s development occurs in parallel with a custom WSN from the Queen’s MEMS Lab (QML-WSN), with the goal of supporting a 1+ year lifetime without sacrificing …
-
Nuclear Electric Propulsion with Low Enriched Uranium
… used monopropellant or fuel-oxidiser propulsion systems to provide the required delta-v for orbital transfers and other in-space manoeuvres. Electric propulsion offers an alternative means of providing thrust that makes much more economical use of propellant due to its very high specific impulse. …
-
Ultra-low-power circuits and systems for wearable and implantable medical devices
… recharge places stringent requirements on power consumption by the device. For implantable devices, the situation is exacerbated by the fact that energy storage capacity is limited by volume constraints, and frequent battery replacement via surgery is undesirable. In this case, the design …