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 56 for “"control technology"”.
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Parametric Study of Novel Passive Thermal Control Technology for Spacecraft
… (VEMs) are a relatively new passive thermal control technology used for spacecraft radiators. VEMs passively change their emissivity based on their temperature, with VEMs having low emissivity at low temperatures and high emissivity at high temperatures. This property of VEMs allows for …
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State-of-the-art pollution control technology : global market pull or domestic regulatory push?
This study identified factors influencing industrial companies' decisions to replace 'dirty' technologies with more environmentally sound ones. A case study of the decisions of New Zealand's two chemical pulp mills, Tasman and New Zealand Forest Products, to simultaneously replace heavily polluting …
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Development of Networked Control Technology of Multiple Smart Surveillance Systems for the Internet of Things
… develop design and implementation of networked control (NCS) techniques of multiple smart surveillance control systems for the internet of things. The prediction method has been popular in single agent control systems due to its capability of actively compensating for network- related …
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An adaptive control technology for flight safety in the presence of actuator anomalies and damage
… affect the safe operation of the aircraft. A technology that has the potential for enabling a safe flight under these adverse conditions is adaptive control. One of the main features of an adaptive control architecture is its ability to react to changing characteristics of the underlying …
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Solutions to problems encountered during the adoption and management of new colour measuring and control technology in the textile industry
… in the textile industry. The adoption of this technology has created big problems for many companies and few have succeeded without difficulty. Five companies adopting the technology were investigated to identify common problem areas. These areas were compared with the results of a literature …
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Development of Sustainable Traffic Control Principles for Self-Driving Vehicles: A Paradigm Shift Within the Framework of Social Justice
… of commercial self-driving vehicle (SDV) technology has a potential for a paradigm shift in traffic control technology. Contrary to some previous research approaches, this research argues that, as any other technology, traffic control technology for SDVs should be developed having in mind …
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A natural formative basis to post-modern architecture
… the emphasis on industrial-founded environmental control technology.
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Pesticide regulatory actions and the development of pest resistance: a dynamic bioeconomic model
… mitigated through regulatory management of the control technology set. However, the current pesticide regulatory process does not include resistance considerations in its quantitative analyses due to the computational difficulties encountered when trying to optimize complex bioeconomic models. …
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Evaluation of Dust Control Technologies for Drywall Finishing Operations: Industry Implementation Trends, Worker Perceptions, Effectiveness and Usability
… and personal-protective-equipment (PPE) control technologies for the mitigation of this hazard, worker exposures persist in the drywall finishing industry. This research employed a macroergonomic framework to evaluate this problem and identify barriers to dust control technology adoption …
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A prevention of significant deterioration case study
… the appropriate methodology for Best Available Control Technology determination, protocol to be used for air quality analysis, the best way to handle the Federal Land Manager's current concerns, and public participation. The present case study is analyzed to develop suggestions that would …
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Optimal control and model reduction for wave energy systems: A moment-based approach
… objective is the availability of appropriate control technology, suchthatenergyconversionisperformedaseconomicallyaspossible,minimisingthedelivered energy cost, while also maintaining the structural integrity of the device, minimising wear on WEC components, and operating across a wide range …
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Engineering the Environment: Regulatory Engineering at the U.S. Environmental Protection Agency, 1970-1980
… stringent health-based standards to flexible technology-based ones through the development of end-of-pipeline pollution control devices, which contributed to the emergence of economic incentives and voluntary management programs. Drawing on findings from archival documents, published sources, …
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Robust adaptive flight control systems in the presence of time delay
Adaptive control technology is a promising candidate to deliver high performance in aircraft systems in the presence of uncertainties. Currently, there is a lack of robustness guarantees against time delay with the difficulty arising from the fact that the underlying problem is nonlinear and time …
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Resource recovery development: factors affecting decisions
… ownership, operation, financing, system technology, and air pollution control technology. The thesis is divided into three stages: development of case studies on 9 resource recovery facilities in the state of Virginia; development and analysis of a nationwide survey to test the patterns …
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Reducing the contribution of the power sector to ground-level ozone pollution : an assessment of time-differentiated pricing of nitrogen oxide emissions
… have reduced peak ozone concentrations through technology-based standards and cap-and-trade programs on NOx emissions from the power sector. These policies have largely treated NOx emissions uniformly. But marginal damages from NOx emissions are greatest on hot sunny days when meteorological …
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Digital reglering av klimatprocesser
… reported. The main task was to improve climate control technology. The work was focused on digital control. It was split up into three main tasks: model building, design of regulators, and fullscale experiments. Several rooms, airducts, and heat exchangers were modelled. Simple dynamic models …
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Regulating mercury with the Clear Skies Act : the resulting impacts on innovation, human health, and the global community
… Clean Air Act Amendments require the U.S. EPA to control mercury emission outputs from coal-burning power plants through implementation of MACT, Maximum Achievable Control Technology, standards. However, in 2003 the Bush Administration revealed an alternative and controversial regulatory strategy …
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Staged attitude-metrology pointing control and parametric integrated modeling for space-based optical systems
… performance of space imaging systems. The first technology is precision pointing control technology, which can provide fine optical control operating in conjunction with coarse formation flying attitude control in order to meet the stringent optical requirements. This will potentially enable a …
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Organic Vapor Recovery Using Activated Carbon Fiber Cloth and Electrothermal Desorption
This research developed a new air quality control technology that captures and recovers solvents for reuse in the process that generated the pollutants. This adsorption-based technology integrates the unique properties of Activated Carbon Fiber Cloth (ACFC), a high-performance micro-engineered …
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Development of synchronverter control for induction motor connection
… grid. In this work, there is a new technical control is known as synchronverter control which is using the synchronous generator mathematical equations as a reference. This synchronverter control is connected with DC-AC three phase inverter to work as controller of output power to feed the …
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