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 41 for “"Peak energy"”.
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Prediction of peak energy demand and timestamping in commercial supermarkets using deep learning
Peak demand consumption is an ongoing research topic due to current environmental concerns. Accurate prediction of peak demand leads to improved power storage scheduling and smart grid management. However, existing researches on peak demand in commercial buildings lack focus on the timestamps for …
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An Intelligent Lead Acid Battery Management System for Solar and Off-Peak Energy Storage
… They can operate either as a self-contained energy network or they can be integrated into a centralized power grid. A variety of technologies have been studied to use solar energy systems as a form of micro-grid to enhance the reliability and performance of the system. However, the operation …
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Unsupervised segmentation of heart sounds
… performance of two approaches to segmentation: peak energy detection and sliding window autocorrelation. Emphasis is placed on synchronous detection of the heartbeats, so that subsequent subsystems can superimpose the heartbeats.An experimental database of heart sounds was compiled to assess the …
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Thermodynamic modeling and design of high-performance adsorption-based atmospheric water harvesting devices
… framework (MOF) as an example, we show that the peak energy efficiencies of single-stage and dual-stage AWH devices, after considering temperature-dependent adsorption, increased by 30% and 100% compared with previous work. Moreover, in contrast to common understanding, we show that the …
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An assessment of tidal energy and the environmental response to extraction at a site in the Pentland Firth
… extraction. This thesis explores tidal stream energy in the Pentland Firth (Scotland, UK). This channel contains some of the most promising tidal stream energy sites in the world and is set to become<br/>host to the first large-scale arrays of tidal stream turbines, but its detailed …
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Energy-efficient wireless transmitter architecture for mobile multimedia
… performance has increased the limit on the peak energy-efficiency of wireless transmitters. Nevertheless, the average efficiency with mobile multimedia communication is decreasing due to escalating design requirements on linearity and bandwidth. Therefore there is an increasing gap between …
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Trellis Coded Modulation Schemes Using A New Expanded 16-Dimensional Constant Envelope Quadrature-Quadrature Phase Shift Keying Constellation
… the distance between points or increasing the peak energy is generated by concatenating the aforementioned constellations with a particular method and restrictions. This original 16-dimensional set of symbols is set-partitioned and used in a multidimensional Trellis-Coded Modulation scheme …
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Ultrasonic-Based Condition Assessment of Wooden Utility Poles
… wave, it allows a direct examination of the wave energy content within the shell region, which is a critical area in the cross-section that dictates the overall strength of a wooden pole. By modifying the physical and the poroelastic properties of the medium to simulate the incipient decay and …
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A design study to harvest electrical energy from walking and running motions
… two different methods of harvesting electrical energy from everyday activities such as walking and running. It is a design study that aims to create a device which can be attached or incorporated into a shoe, ideally a military boot, so that soldiers can charge back-up batteries for their …
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Solar Farm Utilizing a Battery Energy Storage System
<p>According to the US Energy and Information Administration, between 2022-2023 60% of planned new electricity generation consists of solar farms with a battery energy storage system [1]. The demand for these paired systems has increased since batteries can be charged during the day with the energy …
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Determining application-specific peak power and energy requirements for ultra-low-power processors
… implantables, and sensor networks are power- and energy-constrained. These applications rely on ultra-low-power processors that have rapidly become the most abundant type of processor manufactured today. In the ultra-low-power embedded systems used by these applications, peak power and energy …
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Experimental and analytical investigation of multiple jets in a cross-flow
… The distribution of the one-dimensional energy spectra showed spatial and/or configurational dependence; however, no discernible variation of the frequency corresponding to the peak energy was observed. The flow visualization study showed the existence of circulatory flow in the …
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Coupling simulation with machine learning for the development of a proactive HVAC system in the manufacturing sector
The industrial sector consumes 55% of the world's energy consumption [1]. Following manufacturing processes, the HVAC system is the second largest energy consumer in manufacturing facilities, yet is generally uncounted for and considered an indirect cost to maintain a facility [2]. Any current …
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Photon asymmetry of the g p -> pi+ n reaction in the region of the D(1232) resonance
… linearly polarised photons with coherent peak energies of 400 and 440 MeV, corresponding to the upper region of the Delta(1232) resonance. The measurements show the energy and angular dependence of Sigma over the range 30 degrees < theta(pi+) < 170 degrees in the Centre of Mass frame in …
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Adapting to Extreme Heat: Social, Atmospheric, and Infrastructure Impacts of Air Conditioning in Megacities - The Case of New York City
… and Vacancy Survey to study impacts to health, energy demand, and UHI. Across NYC, this AC adoption spans from 75.8% to 98.4% of homes. The Weather Research and Forecasting (WRF) model, coupled with a multi-layer building environment parameterization and building energy model (BEP – BEM) is used …
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Alarm for Autonomous UAV Radiation Mapping Algorithm
… alarm methods setting a threshold on narrower energy bins were less sensitive than methods using the full spectrum count rate, while the most sensitive method was to use bins containing all spectrum data up to the full peak energy of the isotopes of interest but ignoring higher energies. …
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Impact resistance of high strength fiber reinforced concrete
… to exhibit superior performance in its post-peak energy absorption capacity, (i.e., toughness) under flexural and tensile loading. However, the behavior of fiber reinforced concrete under compressive impact has not previously been investigated. In the present research, the response of fiber …
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Minimisation of Energy Consumption Variance in Manufacturing through Production Schedule Manipulation
… the vital role it plays, the consumption of energy is rarely considered as a manufacturing process variable during the scheduling of production jobs. Due to both physical and contractual limits, the local power infrastructure can only deliver a finite amount of electrical energy at any one …
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Formation and extraction of a dense plasma jet from a helicon-plasma-injected inertial electrostatic confinement device
… by a combination of a Faraday cup and a gridded energy analyzer (GEA). The Faraday cup also included a temperature sensor for collection of thermal power measurements used to compute the efficiency of the IEC device in coupling power into the jet. The GEA allowed for measurement of the electron …
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Trapped hydrogen vibrational density of states measurement using IINS PdH0.0011 at 5 K and 300 K with incident neutron energy of 250 meV
… scattering (IINS) at two temperatures over the energy transfer range of 250 meV. The primary objective of this study was to study the vibrational density of states (VDOS) of deformed PdH0.0011 at 5 and 300 K over an energy transfer range corresponding to the multi-phonon and second order …
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