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 23 for “"ease of maintenance"”.
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An Object-oriented design for hierarchical B-spline surfaces
This thesis documents an object-oriented software system that supports free-form surface modelling based on the hierarchical overlay methodology of [Forsey88]. This work is motivated by the need to provide a space-efficient representation of tensor-product hierarchical spline surfaces, multiple …
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A comparison between conventional brick and timber-frame brick veneer housing
… America. With the Canadian system, buildings of up to three storeys can be erected with loadbearing timber frames. This particular system was also adopted in France - the Igny project~ and in England - the Harlow project. In most of these cases, basements or crawl-spaces underneath the house …
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The design and implementation of a congestion control plane
… describes the implementation and evaluation of a system to implement complex congestion control functions by placing them in a separate agent outside the datapath. Each datapath-such as the Linux kernel TCP, UDP-based QUIC, or kernel-bypass transports like mTCP-on-DPDK-summarizes information …
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Design and implementation of a microcomputer based Laboratory and Operations Information System (LOIS) for wastewater treatment plants
… by the laboratory and the operations divisions of the Alexandria Sanitation Authority. Goals were established to meet the information needs of key decision makers within the Authority and external information consumers such as regulatory authorities and design engineers. Integration of …
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Multiple Uncertain Robot Manipulator Control for a Modular System
… and adaptability. These systems consist of multiple interconnected modules that can be combined and reconfigured to achieve desired functionalities. The modular approach offers numerous advantages, including ease of maintenance, reduced downtime, and cost-effectiveness. However, designing …
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An integrated intelligent shop control system
… Integrated Manufacturing (CIM). The success of the integration depends largely on the performance of system control software. This document presents research in the design and implementation of a shop control system, for a CIM facility, using a new method called the three-layer integrated …
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Load bearing interface design for a pan-tilt mechanism for severe marine environments
… Research Laboratory (NRL) requested the design of a two-axis gimbal device for the shipboard support of a sensor payload. Previous design efforts presented a low-mass two-axis (pan and tilt) machine. Vibration and shock testing induced failure in the interface between the payload and the tilt …
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A Discussion of the Development Process, Identification of Design Requirements, and Implementation of Improvements to a Point-of-Use Water Purifier in India
… research which focuses on improving adoption of this life-saving technology. A holistic approach is followed which takes into consideration the product's technical performance as well as socioeconomic factors that may influence user acceptance. A mathematical model of flow through the purifier …
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Control of Modular Multilevel Converters for Grid Integration of Full-Scale Wind Energy Conversion Systems
… wind power generation has pushed the capacity of wind turbines towards MW power levels. Higher capacity of the wind turbines necessitates operation of the generators and power electronic conversion systems at higher voltage/power levels. The power electronic conversion system of a wind energy …
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Scalable computational architecture for integrating biological pathway models
A grand challenge of systems biology is to model the cell. The cell is an integrated network of cellular functions. Each cellular function, such as immune response, cell division, metabolism or apoptosis, is defined by an interconnected ensemble of biological pathways. Modeling the cell or even one …
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Robustness Bounds For Uncertain Sampled Data Systems With Presence of Time Delays
The use of communication networks has increased over the years. Due to many advantages like modularity, system flexibility and ease of maintenance, these networks have made their way into control systems. Today, in majority of applications, real-time networks like CAN (Controller-Area Network), …
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The effects of indwelling transurethral catheterization and tube cystostomy on urethral anastomoses in dogs
This study compared the effects of urinary diversion by tube cystostomy catheterization, urethral catheterization and tube cystostomy and urethral catheterization on healing urethral anastomoses in the canine urethra. Fifteen intact, mature males were divided into three groups of five dogs. …
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Defining common parameters of evaluations for water filtration technologies in India
… to safe drinking water. With almost 3.5 million of those people dying each year, this is no longer an issue we can pretend is of little importance. Of the deaths that occur each year, 84% are those of children and 98% occur in developing countries. Many companies have created water filtration …
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Facilitating software reuse by structuring the SPS user interface management system's software library according to programmer mental models
This study evaluates three different ways of structuring a software library for an object-oriented system. The traditional class/subclass tree (CIS) is used as well as two methods from the mental model literature: hierarchical cluster analysis (HCA) of sorting data and modal block clustering (MBC) …
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A wireless communication based active safety system for articulated heavy vehicles
… have been developed to improve the safety of road vehicles. This dissertation presents a novel active trailer steering (ATS) system using wireless communication to exchange data among controllers and sensors allocated on the leading and trailing units of an articulated heavy vehicle (AHV). …
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An Extensible Component-Based Architecture for Web-Based Simulation Using Standards-Based Web Browsers
Web-based simulation (WBS) systems offer tradeoffs between user interactivity and hardware requirements striking to seek a balance between the differing concerns. Server-based systems offer little interactivity or concurrent visualization capabilities, while client-based systems have increased …
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Load and resistance factor design of cold-formed stainless steel structural members
… (ASD) method has long been used for the design of steel structures in the United States. Recently, the probability-based load and resistance factor design (LRFD) criteria have been successfully applied to the structural design of hot-rolled steel shapes and built-up members. The AISI LRFD …
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Improvement in control and gain aspects of impedance source inverters and converters
Power electronics have revolutionized the concept of power control for power conversion and for control of electrical motor drives. Power electronics has been extensively used in industrial applications since it was first discovered in 1902. Power conversion is one of the most important and …
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Development and Characterization of An In Vitro Four-Species Anaerobic Dental Biofilm Model
<p>Dental caries is the most common chronic disease worldwide. It is characterized by the demineralization of tooth enamel caused by acid produced by cariogenic dental bacteria growing on tooth surfaces, termed bacterial biofilms. Cariogenesis is a complex biological process that is influence by …
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Robust Control of Networked Control Systems with Random Communication Delays
Networked control systems (NCSs) refer to a class of systems where the components such as plants, sensors, actuators and controllers are connected via a communication network. This configuration provides several advantages over the traditional point-topoint structure such as modularity, ease of …
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