Advances in Switched-Mode Power Conversion Part I

Switched Mode Power Supplies for DC to DC Conversion

Introduction The widespread use of battery operated portable devices such as cell phones and laptops has created the need for DC to DC conversion power supplies such as switched mode power supplies. According to an Electric Power Research Institute (EPRI) study [1], the amount of electricity that flowed through switched mode power supplies in 2004 was “6% of the national electric bill”. The pro...

Switched-Mode Power Converters

A new modeling approach for the spectral analysis of pulsewidth modulated (PWM) converters with independent inputs is developed. The key of this approach is to extend the Volterra functional series to nonlinear systems with multiple independent inputs. After formulating the state-space equations describing the dynamical behavior of PWM converters, the Volterra transfer function characterizing t...

Advances in Research and Applications of Smart Hydrogels Part I: Preparation Methods and Classification

A Robust Controller For DC-DC Switched Mode Power Converters

Power converters often consist of linear circuits that are switched between two configurations. Even though each of the configurations is linear, the overall behavior of the circuit is nonlinear. DC-DC switched mode power converters constitute simple but yet efficient means of DC power regulation [ 1,2]. The analysis and control of such a circuit is fairly complicated. Different methods have be...

FPGA based modular control platform for switched mode power converters

In educational as well as research environments there is a demand for an easy way to prototype switching converters. Several recurring standard tasks like pulse pattern generation, driving controllable switches and analog to digital conversion of physical quantities e.g. current, voltage and temperature, need to be performed. Because these standard tasks interfere with the research focus, a mod...