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The belief that participation in sport and physical activity assists the integration of culturally and linguistically diverse (CALD) migrants is prominent within sport policy and programming. Integration outcomes may be enhanced when the migrant develops facets of cultural capital that are valued by both the migrant and the destination country. This paper systematically examines the cultural capital...
This paper introduces a robust, hardware-efficient auto-tuned digital controller applicable to various hard switching dc-dc converters, including indirect energy transfesr topologies. Unlike existing fast transient controllers for indirect energy transfer converters, the controller achieves fast transient response and practically minimum deviation of the output voltage without depending on information...
This paper introduces a novel hardware-efficient auto-tuned output capacitor current and time-constant estimator for indirect energy transfer converters, which is based on well-known principle of the utilization of an auxiliary RC circuit and time constant matching. To provide accurate current measurement and early fault detection of the system while avoiding complex calculations/hardware usually...
This paper introduces a robust, hardware efficient, mixed-signal control loop that governs the switching actions of the secondary-side synchronous rectifier (SR) switches of LLC resonant converters. The new SR control method minimizes switching and conduction losses of the SR switches through online optimization of their on-off timing using an auto-tuning process that takes into account the effect...
This paper introduces a general method for finding minimum resolution of digital pulse frequency modulators (DPFM) of LLC converters to avoid limit cycling oscillation (LCO) in the output voltage under worst operating conditions. This work is built on the prior art [1], [2] where detailed analysis of limit cycling has been investigated for different hard switching converters and for constant load...
This paper presents a practical auto-tuned digital controller for LLC resonant dc/dc converters that results in virtually minimal possible output voltage deviation during transients. During transients the controller applies a two-step frequency change algorithm such that the minimum deviation and seamless transition to the new steady state is achieved. The fast voltage regulation is obtained through...
This paper presents an algorithm that uses a combination of frequency modulation (FM) and phase shift modulation (PSM) to enhance both the controllability and efficiency of an LLC dc-dc converter. It will be shown that, the proper “marriage” of FM and PSM will result in the ability to support a wider range of operating conditions without comprising efficiency or control monotonicity. These operating...
PMBus™ has done an excellent job of standardizing the way digital controlled power supplies communicate. However, this standardization has not included many of the traditional design requirements present in power supplies. A standardization proposal for the parameterization of power supply design requirements into a PMBus™ format is made. Benefits to the power supply design engineer and the host system...
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