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This paper presents an improved methodology for selecting a core for higher power inductors, by using a more advanced approach to select initial values for the Window Utilization Factor (WUF) and the Core to DC Copper Loss Ratio (CCLR) as the two key starting parameters for the inductor design process. The paper identifies the reasons why the conventional starting point assumptions for the WUF and...
This paper proposes a novel inductor/transformer design support system that seamlessly integrates a knowledge-based design advisor and a FEA tool to automate the magnetic design process. The encoded expert knowledge is not only used to guide the design generation, but is also used to automatically configure the settings for FEA analysis and process the returned FEA results. The level of automation...
This paper presents an integrated design process that combines theoretical analysis and heuristic verification to develop the magnetic components of a commercial 2.5-kW bidirectional charging system for a vanadium flow battery. The design process aims to fulfill a rigid set of electrical, mechanical, and thermal requirements for the battery charger. The design has been verified using simulation and...
Designing power transformers and magnetic components is well recognized as a highly complicated process because of the large number of design variables, component alternatives and mutual dependencies that have to be considered. Therefore, today's power magnetic design processes heavily utilise computers, to shorten the development cycle and save the costs. A significant number of studies have been...
Study of retinal blood vessel features, especially the caliber, has been widely used for risk level assessment of certain disease conditions. In this work a vessel diameter measurement technique based on Gaussian modeling has been proposed. This method adaptively combines a series of second and higher order Gaussians to model the vessel profile and uses the sigma parameter of the best fitted Generalized...
Caliber of the retinal blood vessel is widely used for risk assessment of cardiovascular diseases. Accurate and automatic caliber measurement requires a precise model to be made for the vessel profile. In this paper, we present a new approach for retinal vessel profiling in which the background noise, uneven illuminations and specular reflections have all been considered. In this method, regression...
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