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 20 of 20 for “"Power Monitoring"”.
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Shipboard aggregate power monitoring
… they are costly to install and to maintain. The power distribution network offers an alternative solution for tracking the performance of mission critical systems. Research conducted at Massachusetts Institute of Technology's Laboratory for Electromagnetic and Electronic Systems (LEES) has proven …
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Power monitoring in integrated circuits
Power monitoring is needed in most electrical systems, and is crucial for ensuring reliability in everything from industrial and telecom applications, to automotive and consumer electronics. Power monitoring of integrated circuits (ICs) is also essential, as today ICs exist in most electrical and …
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Naval applications of enhanced temperature, vibration and power monitoring
… require reliable information regarding their power and mechanical systems in order to perform their mission effectively. While today's shipboard systems are quite sophisticated, there are areas for improvement in monitoring individual loads, managing the loads to fit the ships mission, and …
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Electric load information system based on non-intrusive power monitoring
… a difficult objective to achieve. The electric power industry and consumers recently face many challenges, such as deregulation, autonomous power systems and power quality. The knowledge of the nature and state of the power systems will undoubtedly be the key in meeting these challenges. The …
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A load identification and diagnostic framework for aggregate power monitoring
Power monitoring solutions have the potential to collect large amounts of data from the operation of electromechanical loads, such as measurements of power, torque, vibration, and acoustic signals. These measurements can act as unique identifiers for the early identification of degrading system …
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A microprocessor-controlled household power monitoring unit by John Ofori-Tenkorang.
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1989.
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A retrot current sensor for non-intrusive power monitoring at the circuit breaker
This thesis presents a new sensor for power monitoring that measures current flow in a circuit breaker without permanent modification of the breaker panel or the circuit breaker itself. At the breaker panel, an inductive pickup and low-power amplifier sense current from the breaker face. Two …
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Optimization of Thermoelectric Generators to Power Monitoring Platforms of SNF Canister Internal Conditions: Numerical Simulations
… current research is to develop a wireless self-powered platform for monitoring the internal conditions of a wide variety of canister designs. The sensors and wireless data transmission systems will be powered using Thermoelectric Generators(TEGs) that harvest thermal energy from the decay heat …
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Applied change of mean detection techniques for HVAC fault detection and diagnosis and power monitoring
… a signal pre-processor for an advanced electric power monitor, the Nonintrusive Load Monitor (NILM), which is being developed by researchers at the Massachusetts Institute of Technology. A variant form of the generalized likelihood ratio (GLR) change-detection algorithm is determined to be …
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A novel electric power quality monitoring system for transient analysis
… ensure its reliability and supply, an electric power monitoring system is indispensable in an electric power system. Currently, most electric power monitoring systems are designed for steady-state monitoring only. They may not be able to monitor instantaneous power disturbances, such as voltage …
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The value of accurate automated data collection to manufacturing
… to manufacturing, focusing on a combined passive power monitoring and auto RFID data collection system implemented within the CNC turning and CNC milling departments at the Waters Corporation Machining Center in Milford, Massachusetts. A detailed study of the machining center revealed that …
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An Enhanced Signal Processing Toolbox for Electrical Energy Monitoring
… nonintrusive load monitor (NILM) aims to perform power system analysis with a minimally invasive sensor profile. A wealth of literature exists for load identification and energy disaggregation under ideal, healthy conditions. However, a significant value proposition of nonintrusive load monitoring …
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Non-intrusive water utility monitoring and free-space load monitoring
… as the activation of a line upon turning on a power strip or switching a light switch. This sensor could supplement a power monitoring system by helping to localize the activation of loads.
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Extracting Electromechanical Signals for Icebreaker Insights
Nonintrusive load monitoring has a proven track record of providing benefits for equipment operation logging, fault detection and diagnostics, condition-based maintenance, and energy scorekeeping. A nonintrusive load monitor (NILM) can measure the aggregate electrical power at a central utility …
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Pulsed mm-Wave electron cyclotron maser experiments
… C. M.) was developed and used to generate high power mm-waves in the W-band (75-110GHz) and the G-band (150-220GHz) frequency ranges. The relativistic electron beam (R. E. B.) was produced from a field-immersed, field-emission, cold cathode. A shaped anode cavity was designed for the optimum …
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Advanced nonintrusive load monitoring system
… that can be deployed in many different monitoring scenarios. Individual loads may be expected to compute information about their power consumption. Utility providers, facilities managers, and other consumers will likely find innumerable ways to mine information if made available in a …
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Low power circuits with integrated magnetics for sensors and energy harvesting systems
… magnetics in microelectronics to enable low power, energy-efficient sensing, as well as energy harvesting to power the sensors, in a compact form factor. For industrial applications, we present the design of a bandwidth-scalable, integrated fluxgate magnetic-to-digital converter for …
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Quantifying measurement uncertainties of MIT Research Reactor's new digital nuclear safety system
Accurate measurement of reactor power is one of the most important requirements in order to ensure the reliable and safe operation of a nuclear reactor. The MIT research reactor, (MITR-II), currently has outdated analog reactor period and power monitoring instruments that are difficult to read and …
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Opacity Verification and Fault Diagnosis in the Framework of Switching Output Automata
… observers see piecewise-constant output signals (power consumption levels, alarm indicators, aggregate measurements) together with their durations, rather than internal state transitions or continuous trajectories. Classical discrete-event models capture event sequences but lack native timing …
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Robust boosting via convex optimization
In dieser Arbeit werden statistische Lernprobleme betrachtet. Lernmaschinen extrahieren Informationen aus einer gegebenen Menge von Trainingsmustern, so daß sie in der Lage sind, Eigenschaften von bisher ungesehenen Mustern - z.B. eine Klassenzugehörigkeit - vorherzusagen. Wir betrachten den Fall, …