DC-DC FB变换器参数鲁棒控制律设计

2018 10th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT) Pub Date : 2018-11-01 DOI:10.1109/ICUMT.2018.8631207

S. Alexandrova, N. Nikolaev, O. Slita, A. Musayev, Elena Karpenko

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引用次数: 0

摘要

高功率DC-DC全桥变换器具有175考虑直流供电电压。考虑到变压器漏感测量难以达到足够的精度和电源电压的变化，对具有不确定参数的装置以区间形式给出。利用系统状态矩阵轨迹的相对区间值随中值分量的变化而变化的中值模态控制方法解决了这一问题。这种方法是通过对对象状态向量的附加反馈实现的。所设计的闭环系统可以获得所需的稳定输出电压。

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Parametric Robust Control Law Design for DC-DC FB Converter

The high power DC-DC full-bridge converter with 175...320 VDC supply voltage is considered. Due to the difficulty of the transformer leakage inductance measuring with the sufficient accuracy and the change of supply voltage the plant with uncertain parameters is given in the interval form. The problem is solved by the median modal control method based on the relative interval value of the system state matrix trace which is changed by median component variation. This approach is realized by add-on feedback on the object state vector. The designed closed-loop system allows to obtain a desired stabilized output voltage.

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2018 10th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)

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