非理想dc - dc升压变换器的无源控制器

2019 22nd International Conference on Control Systems and Computer Science (CSCS) Pub Date : 2019-05-01 DOI:10.1109/CSCS.2019.00013

Vlad Mihaly, Mircea Şuşcă, P. Dobra

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引用次数: 2

摘要

针对一种含寄生项的非理想DC-DC升压变换器，设计了一种基于无源性的控制器。对于理想情况下的变换器电路，PBC会导致电流和电压偏置，这在高性能系统中是不能容忍的。通过对状态空间平均模型和更现实的混合系统模型的仿真得到了所有结果。NPBC的工作原理是将规定的电感电流保持在所需值，而不管输出负载如何。通过自适应计算适当的平衡点，可以对电容器电压进行鲁棒控制。

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Passivity-Based Controller for Nonideal DC-to-DC Boost Converter

This paper presents the design of a passivity-based controller for a nonideal DC-DC boost converter containing parasitic terms (NPBC). The PBC for the ideal case converter circuit leads to current and voltage offsets which are not tolerated in high-performance systems. All results have been obtained by simulation on both state-space averaging model and using the more realistic hybrid system model. The NPBC functions by keeping the prescribed inductor current at the desired value irrespective of the output load. With an appropriate computation of the equilibrium point in an adaptive manner, also shown in the paper, the capacitor voltage can be robustly controlled.

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2019 22nd International Conference on Control Systems and Computer Science (CSCS)

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