Compensator-based current sensorless control for PWM-based DC-DC buck converter system with uncertain voltage measurement
Compensator-based current sensorless control for PWM-based DC-DC buck converter system with uncertain voltage measurement
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DOI：
10.1109/iecon49645.2022.9968306
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发表时间：
2022-10
期刊：
影响因子：
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通讯作者：
Shuaipeng He;Shiqi Nan;C. Qian
中科院分区：
文献类型：
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作者：
Shuaipeng He;Shiqi Nan;C. Qian
研究了电压测量不确定的基于pwm的DC-DC降压变换器系统的输出反馈控制问题。由于输出测量的不确定性，传统的状态观测器是不可行的。在经典线性控制理论中引入补偿器思想的启发下，通过设计一种仅使用不确定电压测量值的新型动态估计器，提出了一种基于补偿器的无电流传感器控制器。给出了一种基于lyapunov的稳定性分析方法，数值模拟研究证明了该方法的有效性。
This paper investigates the output feedback control problem for a PWM-based DC-DC buck converter system with uncertain voltage measurement. Due to the uncertain output measurement, the conventional state observers are not feasible. Inspired by the idea of a lead compensator in classic linear control theory, we propose a compensator-based current sensorless controller by designing a novel dynamic estimator which only uses the uncertain voltage measurement. A Lyapunov-based stability analysis is provided and the numerical simulation studies demonstrate the effectiveness of the proposed method.