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.
Results
Showing 1 to 20 of 36 for “"Automated Control"”.
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The Energy Box : comparing locally automated control strategies of residential electricity consumption under uncertainty
… some scenarios, appliances can be optimally controlled one at a time, independent of each other. In other scenarios, coordinated control of appliances, either simultaneous or time-sequenced, provide better outcomes. Stochastic dynamic programming is the primary optimization engine. The …
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Operating Regimes and Automated Control of Holmium and Thulium Non-linear Polarisation Rotation Mode-locked Fibre Optic Lasers
… of this research was to investigate auto- matic control of a passive mode-locking technique known as non-linear polarisation rotation (NLPR) that exploits polarisation differences across a pulse’s profile that manifest due to different intensities. This research seeks to focus on how NLPR laser …
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Application of First Principle Modeling in Combination with Empirical Design of Experiments and Real-Time Data Management for the Automated Control of Pharmaceutical Unit Operations
… to incorporate more rigorous scientific controls into their production streams. </p><p>Fully automated control systems can incorporate information about a process back into the system to adjust process variables to consistently hit product quality targets (feedback control), or monitor …
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Group communication in bus-based computer networks
… system services, cooperating processes in automated control, and parallel processing. The communication among processes in group-based applications typically involves multiple destinations and is often symmetric and temporally local.
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On Steam Based Recovery Process Design
… is then used to evaluate steam flooding and automated control of the recovery process. Also, a submodel from the history-matched reservoir model is used to understand, at fine scale, the dynamics of CSS. The results show that conducting steam flooding post CSS provides an effective means to …
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Geologic feature prediction using roof bolter drilling parameters
… of the mine roof geology.;Recently developed control and data acquisition technologies allow the drilling performance of these roof bolters to be monitored on a real-time basis. Drilling data collected from these machines can be used to determine geological features present in the mine roof. A …
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A self-tuning 100 watt wireless power transfer system
This thesis presents a new method of controlling wireless power transfer suitable for highly resonant magnetically coupled systems. An application of this system is unattended autonomous operation such as recharging of autonomous underwater vehicles or underwater sensor networks. Special attention …
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Experimental design and results of 2D dynamic damping of payload motion for cranes
… specific. Many crane accidents are due to uncontrolled swaying of the payload resulting in collisions with construction workers or objects. At present, it is left to the operator to apply his/her skills in controlling this uncontrolled swaying. If the controlling is automated and computer …
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Development and Deployment of Renewable and Sustainable Energy Technologies
… impacts of cloud cover and various power factor control strategies are presented. PV penetration levels are limited and depend upon PV generation control strategies and the circuit design and loading. There are tradeoffs in PV generation control concerning circuit voltage variations, circuit …
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Microfluidic temporal cell stimulation
… a higher level of automation to rigorously control environmental parameters and detect output signals. Addressing this challenge, I developed a JAVA-based programmable microvalve system for automated control of reagent delivery enabling the end user to generate complex chemical waveforms and …
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Identification, Analysis, and Control of Power System Events Using Wide-Area Frequency Measurements
… basis for real-time situational awareness and control. While automated control of the power system rarely utilize wide-area measurements, global insight into grid behavior can only improve disturbance rejection.
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Experimental apparatus for measuring moisture transfer in porous materials subject to relative humidity and temperature differences
… is sealed. The temperature of each chamber is controlled separately allowing nonisothermal test conditions. The relative humidity is maintained without the use of saturated salt solutions. The moisture transfer rate is measured by periodically weighing a desiccant column used to absorb moisture …
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Development of an automated and scalable lab-on-a-chip platform with on-chip characterization
… a fluid-handling technique that enables precise control of drops on an array of electrodes using electrostatic forces. In contrast to most other lab-on-a-chip technologies (e.g., channel-based microfluidics), DMF is highly reconfigurable (i.e., function is defined by software and not by the …
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Safety Analysis and Design Improvement for Semi-Automatic Train Operation (STO) in High-Speed Rail Using STPA
… due to increasingly complex interactions among automated control systems, human operators, and physical infrastructure. This thesis aims to systematically identify and address potential hazards arising from STO in high-speed rail. By using the Tokaido Shinkansen’s announced plan as a model case, …
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Monitoring and control of the cardiovascular system during indoor exercise
… the consumption of extra energy. However, an uncontrolled treadmill can cause excessive exertion on the cardiovascular system. To avoid excessive cardiovascular stress, an efficient way of monitoring and controlling of exercise strength is to regulate treadmill speed and/or gradient to stimulate …
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Design, implementation and control of microwave plasma gasification system for syngas production
… creation, plus the automation and the fully control of the microwave plama gasification system. Results reveal that after improvement of the microwave-induced plasma by automated control, it was possible to increase the synthesis gas production to 25.7% hydrogen and more than 57.6% carbon …
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Simulation-based fault propagation analysis of process industry using process variable interaction analysis
… catastrophic events is the lack of effective control and monitoring approaches that are required to achieve successful fault diagnosis and accurate hazard identification. Currently, there are aggressive worldwide efforts to propose an effective, robust, and high accuracy fault propagation …
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Design and automated operation of a condensation-induced depressurization system
… This study investigates the design and the automated operation of a vacuum generation system based on the idea of the condensation-induced depressurization with prefilled condensable medium in a confined, adiabatic chamber. The operation process of this new system includes mainly four …
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DEVELOPMENT OF INNOVATIVE SENSORS FOR DETECTING THE WATER STATUS OF PLANTS IN PRECISION AGRICULTURE APPLICATIONS
… sensors, wireless communication, and automated control via cloudbased IoT infrastructure. Dedicated electronic boards, embedded firmware, and LoRa-based communication modules were developed to ensure reliable, energy-efficient data acquisition under both controlled greenhouse and …
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Design and development of components of a modular bioreactor
… a scarcity of non-invasive sensors for process control. This thesis investigates multiple aspects of a disposable, perfusion-capable bioreactor, in order to facilitate an optimal design. In order to determine an impeller configuration that improves the mixing and mass transfer characteristics of …
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