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 35 for “"electromagnetic compatibility"”.
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Behavioral Modeling of Nonlinear Circuit Elements: Application to Signal Integrity and Electromagnetic Compatibility
… of Signal Integrity (SI) and ElecroMagnetic Compatibility (EMC) effects on fast digital circuits. Such an assessment, that is mainly achieved by simulating the evolution of signals sent on interconnects by digital integrated circuits (ICs), requires e±cient and accurate models of IC ports …
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An experimental investigation into the electromagnetic compatibility aspects of high frequency power line communications
… one technical barrier to widespread deployment - Electromagnetic Compatibility. Existing low voltage power networks are optimised for the safe supply of electrical energy. Low voltage cables are often pseudo co-axial in their cross section, but when high frequency signals are coupled onto the …
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The effect of shielding, grounding and bonding to the electromagnetic compatibility of high emission printed circuit board
Electromagnetic Compatibility (EMC) is the capability of the device or the system to perform its work correctly within its electromagnetic environment without causing the introduction of electromagnetic damage to that environment. Radiated Emission (RE) is one of the EMC tests that should be …
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Measurement and application of near-field scan data: prediction of currents, radiated emissions, and probe characteristics
… the analysis of antennas to the specific case of electromagnetic compatibility"--Abstract, page iv.
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Prediction And Measurement Of Radiated Emissions Based On Empirical Time Domain Conducted Measurements
… The techniques used are based on standard Electromagnetic Compatibility (EMC) qualification test methods. The empirical data used to formulate the final results was restricted to pertinent data protocol waveforms however the entire method may be applied to any waveforms for which empirical …
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System and IC level analysis of electrostatic discharge (ESD) and electrical fast transient (EFT) immunity and associated coupling mechanisms
… to reproduce those disturbances, a series of electromagnetic compatibility standards has been developed. However, a complete understanding of the root cause of the immunity problems has yet to be established. This dissertation discusses immunity problems in three papers, starting at the system …
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High Power Density and High Temperature Converter Design for Transportation Applications
… in extreme environments and more strict electromagnetic compatibility requirement. These challenges will increase difficulties for more electrical system adoption in the transportation applications. In this dissertation, comprehensive methodologies including more efficient energy storage …
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Novel Fast Algorithms for Time Domain Integral Equation Analysis of Antennas and Circuits
… TDIE-based methods for analyzing electromagnetic transients in broadband antenna systems and circuits. This is achieved by (i) constructing efficient marching-on-in-time solvers suitable for analysis of scattering and radiation from perfect electrically conducting surface-wire and …
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Optimized power converters for electrically augmented on-orbit propulsion systems
… in terms of efficiency and potential electromagnetic compatibility. Several circuits are evaluated with the aid of PSPICE circuit simulation software and the results of the evaluation criteria for each circuit are presented.
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An integrated design strategy for a range of industrial electronic pressure instrumentation
… of manufacturing, low power circuit design and electromagnetic compatibility.<br/><br/>Novel features available upon all three instruments resulting from the design strategy adopted are high accuracy measurements, typically ±0.2% of full scale, a battery life of over 12 months, push button …
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Finite Element Analysis of EMI in a Multi-Conductor Connector
… on each other with a view to design for electromagnetic compatibility of connectors. When there is an electrically excited conductor in a medium, it acts as an antenna at high frequencies and radiates electromagnetic power. If there are any conductors in its vicinity they too act as …
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EMI failure analysis techniques and noise prediction for trace crossing split planes
… the source, coupling path, and antenna in an electromagnetic interference (EMI) problem. No single method is the best option in all cases. A good electromagnetic compatibility (EMC) engineer should understand and have experience with a wide range of failure analysis methods and thus, be able …
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Numerical and Experimental Study of Pacemaker Safety under MRI
… in this thesis. In order to analyze the electromagnetic compatibility issue of pacemaker/defibrillator with MRI RF (radio frequency) coil and human body model, novel techniques for the evaluation of MRI-induced heating or induced voltage in the vicinity of implanted metallic lead have …
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Creation and Testing of a Social Robot Guideline
… standards about toy safety, radio equipment, electromagnetic compatibility, internet of things security, ethical considerations for human-computer interaction, and data privacy. I then sent a summarized version to experts in the field for feedback. I received seven responses, five of whom were …
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Crosstalk and Signal Integrity in Ring Resonator Based Optical Add/Drop Multiplexers for Wavelength-Division-Multiplexing Networks
… components leads to potential ‘Optical/Photonic’ electromagnetic compatibility (EMC) and signal integrity (SI) issues due to the close proximity of optical components and waveguides. Optical EMC issues are due to backscatter, crosstalk, stray light, and substrate modes. This thesis has focused on …
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Electromagnetic Risk Management for Dependability of Road Vehicles using Discrete Bayesian Networks
… electronic (E/E/PE) systems. Electromagnetic interference (EMI) originating from on-board and off-board radio frequency (RF) sources are well-known common cause of failures or malfunctions in E/E/PE systems. Although vehicle electromagnetic compatibility (EMC) requirements take …
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An uncertainty model of a non-ideal open area test site for electromagnetic measurement
… site (OATS) is a standard facility to perform electromagnetic compatibility (EMC) compliance testing of electrical and electronic products. An ideal OATS is a flat area, free of any obstructions and external signals. Precompliance testing in a non-ideal OATS is an economical way to prepare a …
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A Novel Optical Fatigue Monitoring And Crack Sensing System
… technologies are limited by their weight, electromagnetic compatibility, power tolerance requirements, and cost. Due to weight, many of these sensors have limited value in critical areas where cracks form and residual strains need to be measured such as the fastener locations in aircraft …
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Aufbau und Erprobung eines in-situ NO/NOy-Mess-Systems am Höhenforschungsflugzeug M55-Geophysica
… procedures were required to guarantee the flight compatibility of the mechanics and electronics of the device: shock/vibration/EMC (ElectroMagnetic Compatibility)/pressure test. In October 2001 SIOUX was implemented for the first time aboard the M55-Geophysica during a test campaign in Russia. …
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Effects of Input Power Factor Correction on Variable Speed Drive Systems
… with and without a front-end PFC converter. One electromagnetic compatibility (EMC) standard, IEC 1000-3-2 which describes the limitation on harmonic current emission is modified for 120V ac system. This modified standard is utilized as the reference to evaluate the measured input current …
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