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 25 for “"Design Efficiency"”.
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How Could Participatory Design be Catalyzed by Social Media? Improving Co-Design Efficiency and Effectiveness
… been increasingly integrated into participatory design projects in recent years. However, the actual ways in which social media help improve the efficiency or effectiveness of participatory design still needs more discussion. This thesis examines two cases of community engagement projects in …
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Bayesian D-Optimal Design for Generalized Linear Models
Bayesian optimal designs have received increasing attention in recent years, especially in biomedical and clinical trials. Bayesian design procedures can utilize the available prior information of the unknown parameters so that a better design can be achieved. However, a difficulty in dealing with …
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Logic synthesis and optimization algorithms
… size and chip complexity keep increasing, logic design is becoming more complex and it must be automated. The increasing demand for ASIC (Application Specific Integrated Circuits) also needs design efficiency and cost effectiveness which can only be achieved by effective automatic logic synthesis …
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Development of appropriate steam turbine models in Flownex
The Specialization Centre for Energy Efficiency at the University of Cape Town has a goal of building thermo-hydraulic models of an entire power plant. A one-dimensional thermo-hydraulic network solver, Flownex, is the software envisaged to accomplish this goal. The development of appropriate steam …
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Metaheuristic Optimization for Automatic Arrangement of Power Electronics Components in a Shipboard Electrical Distribution System
… (PEBBs) in modular, integrated power corridor designs. These building blocks, which are created and tested offsite for a variety of applications, are currently placed manually during the design process, a method that is time-consuming and suboptimal. To address this challenge, we reduce the …
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The effect of reaction on compressor performance
… about the effect that reaction has on either the efficiency or the operating range of a compressor. A particular difficulty in understanding the effect of reaction is that the rotor and stator have a natural asymmetry caused by the centrifugal effects in the rotor boundary layer, being much larger …
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Robust Analog Circuit Parameter Optimization with Sampling-Efficient Reinforcement Learning
<p>Design automation of analog circuits has been a longstanding challenge in the integrated circuit field. Recently, multiple methods based on learning or optimization have demonstrated great promise in automating device sizing for analog circuits. However, they often ignore the strong …
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Mobile Robot Obstacle Avoidance based on Deep Reinforcement Learning
… Universal software architecture was also designed for the STORM modules. The software architecture has extensible and reusable features that improve the design efficiency and enable parallel development.
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Prioritization of Potable Water Infrastructure Investments on the Navajo Nation
… optimization model (WaterTRANS) that improves design efficiency for branched water transmission systems; and (3) a decision support system (DSS) that allows candidate water transmission projects to be ranked while considering economic development, health improvement and environmental protection …
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A model to evaluate the coupling characteristics from a coaxial line into a cylindrical waveguide
… problem into smaller models, in order to improve design efficiency and optimization. The "segment" analyzed in this paper is the coupling characteristic from a coaxial line to a specific TE or TM mode of a cylindrical waveguide. The derived expressions allow for an efficient way of approximating …
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Modeling of gallium nitride transistors for high power and high temperature applications
… alternatives to Si for new generation of high efficiency power devices. GaN has attracted a lot of attention recently because of its superior material properties leading to potential realization of power transistors for high power, high frequency, and high temperature applications. In order to …
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Proximity coherence for chip-multiprocessors
… and latency costs of communication. Existing designs provide a functional communication layer but do not necessarily implement the most efficient solution for chip-multiprocessors, placing limits on the performance of these complex systems. In an era of increasingly power limited silicon …
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Methods for non-intrusive sensing and system monitoring
Improving the efficiency of collection, transmission, and consumption of resources is the focus of a wide swath of engineering research. Current technological solutions for capturing or mitigating energy and resource waste are asymmetrical. A dilemma is becoming increasingly apparent in monitoring …
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Advancements on the Interface of Computer Experiments and Survival Analysis
Design and analysis of computer experiments is an area focusing on efficient data collection (e.g., space-filling designs), surrogate modeling (e.g., Gaussian process models), and uncertainty quantification. Survival analysis focuses on modeling the period of time until a certain event happens. …
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Development of a land use-based spatial water requirements model for the Berg Water Management Area
… scale was considered from both a systems design and a technical perspective. The resulting model consists of two main modules; one performing a rudimentary monthly soil water balance to obtain monthly and annual irrigation requirements, and another applying preconfigured determinant layers …
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Multiband RF/Microwave Front-end Receiver Design for Multi-Standard Applications
… and low feasibility for high integration design. Compared to the RF transmitter, the design of the RF receiver front end is considered to be more challenging due to the increased signal interference/noise in the communication path, which often can be neglected in transmitter design due to …
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Prediction and Control of Thermal History in Laser Powder Bed Fusion
… afforded by AM processes such as LPBF enables designers to place a stronger emphasis on design efficiency rather than the manufacturability of components. It also facilitates greater supply chain flexibility, reducing part lead times and costs. For example, making an aerospace part weighing …
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The development of a metallurgical CAPP system for large steel forgings.
… Planning) systems promises improvement to the design efficiency and quality of process plans, whilst maintaining knowledge for future developments. Although considerable progress has been made in Computer Aided Process Planning, most of the systems developed or under development so far are …
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Detailed model for robust feedback design of main steam temperatures in coal fired boilers
… overheating and thermal stress while meeting the design conditions at the steam turbine inlet. Although high steam temperatures are beneficial for thermal efficiency, it accelerates creep damage in high temperature components which is detrimental to the life of components. Alternatively, low steam …
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Investigating Genetically Engineered Virus-Like Particles Using Molecular Dynamics Simulations for Enhanced Vaccine Development
… of antigens to target various diseases. However, designing stable VLP-based vaccines through genetic engineering is challenging and unpredictable due to the complex nature of protein interactions involved in VLP assembly and the unknown effects of genetic modifications on VLP scaffolds. These …
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