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Recently, point of load (POL) converter are pushed to higher switching frequency for higher power density. As the frequency increases, magnetic core loss becomes a significant part of the total loss of POL converters. Accurate measurement of this part of loss is important for the converter design. And the core loss under non-sinusoidal excitation is particularly interesting for pulse-width modulation...
The facility of an Augmented Lagrangian (ALAG) multiplier based nonlinear programming technique is demonstrated for minimum- weight design optimizations of boost and buck-boost power converters. Certain important features of ALAG are presented in the framework of a comprehensive design example for buck-boost power converter design optimization. The study provides refreshing design insight of power...
A nonlinear programming technique using penalty function method is employed for the minimum weight design of a half-bridge DC-DC buck power converter. The cost-effective computer-aided approach provides a minimum-weight design down to the details of the component level and concurrently meets all power-circuit performance requirements. Important design insights and guidelines are obtained to readily...
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