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 171 for “"Condition monitoring"”.
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Building condition monitoring
… malfunctioning lighting and comfort conditioning systems. This thesis is focused on developing analytical methods embodied within useful software tools to quickly identify and evaluate those building system faults that cause large building energy inefficiencies. The technical …
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Explainable condition monitoring from imprecise information
Los avances computacionales que han sucedido a lo largo de los últimos años, especialmente en la última década, han permitido el desarrollo de algoritmos de Inteligencia Artificial (IA) que han formado parte activa en el progreso de diferentes campos tales como la industria, la medicina o el arte. …
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Condition Monitoring Techniques for Wind Turbines
This thesis focuses on practical condition monitoring of wind turbines. With offshore wind playing an increasing part in UK electricity generation, prompt fault detection leading to preventative maintenance is gaining in importance. This work describes the development of a condition monitoring test …
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Condition Monitoring Sensor for Reinforced Elastomeric Materials
<p>In-situ monitoring of materials is a great problem in the field of structural health monitoring. The ability to receive real time data relaying the condition of a body is an elusive but invaluable goal. Even more difficult is monitoring the continuous body rather than a small subset of discrete …
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Condition Monitoring of VSD-fed Induction Motors
… subjected to diverse, continuous, and harsh conditions [10], being subjected to frequent start-stop cycles leading to wear and cracking of machine elements, or being subjected to continued motor overload for long periods required by some industrial processes, resulting in increased thermal …
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Wind turbine condition monitoring based on SCADA data
… there is a growing interest in wind turbine condition monitoring allowing condition based, rather than responsive or scheduled, maintenance. Existing wind turbine condition monitoring methods, such as vibration analysis and oil debris detection, require expensive sensors. The additional costs …
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Condition monitoring of polymer electrolyte membrane fuel cells
… A critical field of research is the condition monitoring strategies and technologies for the electrochemical device that ties in with the power conditioning sub-systems. This thesis presents the development of condition monitoring systems by conducting detailed studies on the …
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Adaptive noise cancelling applied to machine condition monitoring
… by designing and building a real-time machine monitoring package using an IBM PC and a TMS 320C25 digital signal-processing chip manufactured by Texas Instruments. To determine which adaptive algorithm should be used in the package, experiments were carried out on a computer with different …
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Condition Monitoring of Electrolytic Capacitors for Power Electronics Applications
… of this research is to advance the field of condition monitoring of electrolytic capacitors used in power electronics circuits. The construction process of an electrolytic capacitor is presented. Descriptions of various kinds of faults that can occur in an electrolytic capacitor are …
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Study of Condition Monitoring of Bridges Using Genetic Algorithms
… is developed to monitor the structural condition through non-destructive evaluation techniques using genetic algorithms. System identification techniques are used to establish the mathematical model of the real structural system through parametric methods. The problem of structural …
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Condition Monitoring of Structures by Using Ambient Dynamic Responses
… presents the general procedure for structural condition monitoring of civil structures by using ambient dynamic responses. The proposed monitoring system is composed of three components: the data acquisition system, the damage identification algorithm, and the damage verification process. The …
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Condition monitoring of SiC MOSFETs on LLC resonant converter
… industry and military applications. Real-time condition monitoring of SiC devices in SiC-based power converters addresses the reliability issues by providing an early sign of potential failure. Since one of the most consistent failure precursors of a degraded SiC MOSFET is an increase of gate …
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Prognostic Algorithms for Condition Monitoring and Remaining Useful Life Estimation
To enable the bene�ts of a truly condition-based maintenance philosophy to be realised, robust, accurate and reliable algorithms, which provide maintenance personnel with the necessary information to make informed maintenance decisions, will be key. This thesis focuses on the development of such …
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Condition monitoring and fault detection of inverter-fed rotating machinery
Condition monitoring of rotating machinery is crucial in industry. It can prevent long term outages that can prove costly, prevent injury to machine operators, and lower product quality. Induction motors, often described as the workhorse of industry, are popular in industry because of their …
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eyeDNA : Tool Condition Monitoring for a desktop CNC milling machine
… we designed and implemented a low cost Tool Condition Monitoring (TCM) system using off-the-shelf sensors and data acquisition methods . Peripheral end milling tests were done on a low carbon steel workpiece and the spindle vibration, cutting zone temperature and spindle motor current were …
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