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 1930 for “"drives"”.
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Analysis of tape drives
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1960.
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Predictive control of electrical drives
… Predictive Control Technique to the electrical drives has been considered and discussed, especially in comparison with the employment of the traditional control techniques. First of all, a predictive control algorithm for the Brushless DC drive is developed with the aim of improving the …
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Direct torque control induction motor drives
… is including in when the motor in starting drives and when motor in nominal value. The performance of this control method has been demonstrated by simulation using a versatile simulation package, MATLAB/SIMULINK. The author also present the simulation results related to the theoretical …
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Lead pursuit control of multiphase drives
Los accionamientos multifásicos, compuestos por una máquina eléctrica de más de tres fases alimentada por un convertidor de potencia, han atraído recientemente un importante interés en la comunidad investigadora debido a las ventajas que presentan frente a las máquinas trifásicas convencionales. …
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Interface issues in induction motor drives
Adjustable speed induction motor drives are used more and more often in industry, particularly as an energy saving measure. Due to the presence of the power electronic drives, nonsinusoidal waveforms, are injected into the electric distribution and the motor, affecting both the motor and the other …
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De(s)colonial assemblages • life drives
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01
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How Data Drives ML Models Performance
Data has been been playing an increasingly more important role in the machine learning (ML) pipeline. This thesis deepens the understanding of the effect of the data on model performance and reliability. First, we study how choice of training data affects model performance. We consider a transfer …
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PWM strategies for multilevel multiphase AC drives
… (PWM) strategies for multilevel multiphase ac drives have been analysed in this thesis. The large amount of published work in the area of multiphase drives recognises their advantages compared to the standard three-phase solutions. Some of them arc improved power sharing capabilities, increased …
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The transputer control of induction motor drives
The inherent advantages of the induction motor in variable speed drive applications can now be realised in a cost-effective manner as a result of recent advances in power electronics and microelectronics. This thesis is devoted to the advancement of the use of induction motors in variable speed …
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Comprehensive loss optimization of induction motor drives
… of power electronics-controlled induction motor drives over the past few decades has enabled the development of loss minimization control algorithms. With the technological advancements in power semiconductor switching devices such as insulated gate bipolar transistors and gate commutated …
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Integration of Filter Elements in Electric Drives
Electric drives are becoming widely accepted and are found in hybrid electric vehicles and in higher-end home appliances. Traditional drive designs separate the power electronics and the electric machine, which reduces the potential for integration and the possibility of beneficial opportunities. …
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Geometry, design and generation of face-gear drives.
Geometry, design and generation of face-gear drives.
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The application of vector control to PWM drives
… of simulation, whereby the transient response of drives could be studied in detail.<br/><br/>It is shown that a useful simulation of an inverter drive can be achieved by means of a standard software package and a Personal Computer (PC). The thesis demonstrates that once the mathematical model for …
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Real Time Diagnostic Systems For Motors and Drives
… for a family of drive systems, such as dc drives or induction machines. This pooling of information into the decision tree encapsulates and mimics the trouble-shooting steps that an expert would take, even to the point of testing for rotational harmonic disturbances in the system. This …
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What drives West African Diaspora students to success?
<p>This qualitative research investigated the first and second-generation diaspora of West Africa and also examined if there were differences between the two generations. The goal was that if such differences exist, it will help plan the learning experience for students with similar backgrounds. …
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Fault Tolerant Sensorless Permanent Magnet Synchronous Motor Drives
High cost and complexity of fault tolerant motor drives has relegated them to mission critical, no-compromise applications. Heeding to this target application, past research efforts have been mainly focused on developing highly redundant, multiphase fault-tolerant solutions able to assure a very …
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Direct Torque Control for Silicon Carbide Motor Drives
… is an extensively used control method for motor drives due to its unique advantages, e.g., the fast dynamic response and the robustness against motor parameters variations, uncertainties, and external disturbances. Using higher switching frequency is generally required by DTC to reduce the torque …
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