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 64 for “"Electro-thermal"”.
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Model order reduction of electro-thermal MEMS
The modeling of electro-thermal processes, for example Joule heating, is becoming increasingly important in microsystems (in the following MEMS) development. In microelectronic systems, for example, high temperatures may cause the malfunction or even destruction of the device. Other devices, such …
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Electro-thermal nanoprobes for nanometrology and nanofabrication
… an inability to simultaneously control thermal and electric potentials, and inadequate methods for determining tip-substrate interface temperature. This dissertation seeks to address these issues by developing multifunctional AFM microcantilevers for control of thermal and electric …
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Nonlinear Electro-Thermal Transport in Metallic Carbon Nanotubes
… semi-classical Boltzmann transport equation. The electronic transport in these systems is described by treating independently the forward and backward carrier populations mutually coupled through interactions. In particular, we show that: (i) in the presence of elastic backscattering the …
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Inverter Dynamic Electro-Thermal Simulation with Experimental Verification
A full electro-thermal simulation of a three-phase space-vector-modulated (SVM) inverter is performed and validated with measurements. Electrical parameters are extracted over temperature for the insulated gate bipolar transistor (IGBT) and diode electro-thermal models. A thermal network …
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Electro-thermal design and optimization of cryocooled electrical machines
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Simulation of implantation and diffusion processes for electro-thermal microcantilevers
Atomic Force Microscope (AFM) compatible electro-thermal microcantilevers, capable of independently controlling cantilever temperature and electrical potential/current flow through the end of the tip, are proposed and designed. An important characteristic of these probes is the spatial dopant …
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Integrated Electro-thermal Design Methodology in Distributed Power Systems (DPS)
Although suitable CAD tools for thermal and electrical analyses in power electronic systems are available, traditional stand-alone simulation method seldom takes into consideration of the inter-dependency of semiconductor device power loss and junction temperature in an iterative process. However …
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Linear-time 3-D thermal methods for transient electro-thermal simulations
… and better reliabilities. To achieve both, an electro-thermal simulator is needed as the thermal aspect of a device, such as the temperature, can play a big role on its reliability. By doing just the electrical simulation, an engineer cannot possibly determine the temperature of operation, and …
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A framework for the control of electro-thermal aircraft power systems
… an aircraft engine, electrical system, and thermal management system is becoming increasingly more complex. This presents a unique control problem that requires coordination between the generation, distribution, and consumption of power on board an aircraft, while also maintaining …
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3D Electro-thermal Monte Carlo Study of Transport in confined Silicon Devices
The simultaneous explosion of portable microelectronics devices and the rapid shrinking of microprocessor size have provided a tremendous motivation to scientists and engineers to continue the down-scaling of these devices. For several decades, innovations have allowed components such as …
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Electro-Thermal Codesign in Liquid Cooled 3D ICs: Pushing the Power-Performance Limits
… develop a micro-fluidic cooling based dynamic thermal management approach that maintains the chip temperature through controlling the fluid flow rate (pressure drop) through micro-channels. These cooling configurations are designed after the electrical parts, and therefore, compatible with the …
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Design and fabrication of electro-thermal microcantilevers for ultrafast molecular sorting and delivery
… and increased versatility for use in ultrafast electrophoretic molecular sorting and delivery. Design rationale and fabrication process flow are described for six types of electro-thermal microcantilevers. Devices have been tailored for the process of separating mixtures of heterogeneous …
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Overcoming electro-thermal barriers to achieve extreme performance power conversion for more electric aircraft
… challenges must be overcome to improve the thermal management, efficiency and power density of the propulsion electronics as well as ensure the high reliability necessary for aviation. This thesis focuses on these challenges in the scope of one block of this electrical system: a …
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Design Optimization of Hybrid Switch Soft-Switching Inverters using Multi-Scale Electro-Thermal Simulation
… inverter using a library of dynamic electro-thermal component models parameterized in terms of electrical, structural and material properties is presented. A multi-scale electro-thermal simulation approach is developed allowing for a large number of parametric studies involving …
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Electro-thermal design and optimization of high-specific-power slotless PM machine for aircraft applications
The student, Xuan Yi, submitted this Dissertation for approval on 2020-07-07 at 07:38.
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Impact of Inert-electrode on the Performance and Electro-thermal Reliability of ReRAM Memory Array
… However, since platinum (Pt) acting as the inert electrode is not an economic choice for industrial production, a Back End of Line (BEOL)-compatible replacement of Pt is highly desirable. A systematic investigation has been conducted and metals such as Ru, Rh and Ir are found to be the best …
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The study of weak ferromagnetism by andreev reflection spin spectroscopy and development of bimorph electro-thermal actuators
… to be due to disparity in Fermi velocity in electron split bands. Their P is proportional to saturation magnetization, and this material is a potential candidate for spin injection to semiconductors. Room temperature ferromagnetism and finite low temperature spin polarization was observed in …
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Integrated design optimization methods for optimal sensor placement and cooling system architecture design for electro-thermal systems
DSpace SAF Submission Ingestion Package generated from Vireo submission #13273 on 2019-02-07 at 14:23:18
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