Sampled-Data Linear Parameter Variable Approach for Voltage Regulation of DC-DC Buck Converter

被引：2

作者：

Hooshmandi, Kaveh ^{[1
]}

Bayat, Farhad ^{[2
]}

Bartoszewicz, Andrzej ^{[3
]}

机构：

[1] Arak Univ Technol, Dept Elect Engn, Arak 3818146763, Iran

[2] Univ Zanjan, Dept Elect Engn, Zanjan 4537138791, Iran

[3] Lodz Univ Technol, Inst Automat Control, PL-90924 Lodz, Poland

来源：

ELECTRONICS | 2022年 / 11卷 / 19期

关键词：

DC-DC buck converter; sampled-data control; Krasovskii functional; linear parameter varying (LPV); NONLINEAR-SYSTEMS; DESIGN;

D O I：

10.3390/electronics11193208

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper addresses the new method for output voltage regulation of DC-DC buck converter nonlinear systems by a sampled-data linear parameter varying (LPV) controller. For this purpose, an output-error state-space affine LPV model is presented for DC-DC buck converter nonlinear systems. The sampled-data structure of the controller is considered as a time delay in the input, and stabilization conditions are obtained for LPV systems with affine dependence on the parameter by using a parameter-dependent Lyapunov-Krasovskii functional. Then, the design condition of the sampled-data LPV controller with an appropriate sampling period is derived to guarantee that the output voltage of the DC-DC buck converter can be adjusted to the desired voltage. Finally, simulation results are provided to show the validity of the presented approach in practical control applications where there are limitations on the value of the sampling period and the cost of the digital implementation.

引用

页数：15

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