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Buck-IPT system is composed of a front power regulation buck circuit and a behind inductive power transfer circuit (IPT), which is higher-order, multi-operating-mode, compound nonlinear system. Aiming at dynamic problems such as large inductor current and slow response in the start-up progress, this paper proposes a dynamic characteristic optimization control method. Firstly, this paper proposes a...
This paper proposes an efficient load model for power network noise analysis. The proposed method approximates an uninteresting part of a large mesh-structured circuit to a simple load model which consists of a couple of RLC elements. In the experimental results, the proposed method reduced a CPU time of SPICE simulation by up to 95% while suppressing the maximum and average voltage errors less than...
This paper presents an analytical analysis of capacitors voltage balancing process in flying capacitor multicell converters. The analysis leads to modeling and state-space representation of converters. State-space representation of converter can be utilized to investigate the transient and steady states of internal flying capacitors voltages. To provide verification, numerical solutions for time-domain...
The next generation of wireless communication is a ubiquitous radio system concept, providing wireless access from short-range to wide-area, with one single reconfigurable and adaptive system for all envisaged radio environments. This paper presents the design approach of RCO (reconfigurable concurrent oscillator) that simultaneously generates two or more signals of different frequencies that eliminate...
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