论文标题

主动扰动拒绝控制设计,并抑制传感器噪声效应在应用到DC-DC BUCK电源转换器中

Active Disturbance Rejection Control Design with Suppression of Sensor Noise Effects in Application to DC-DC Buck Power Converter

论文作者

Łakomy, Krzysztof, Madonski, Rafal, Dai, Bin, Yang, Jun, Kicki, Piotr, Ansari, Maral, Li, Shihua

论文摘要

主动扰动排斥控制(ADRC)算法的性能在实践中可以通过高频测量噪声受到限制。在这项工作中,通过将ADRC固有元素的高增益扩展状态观察者(ESO)转换为新的级联观察者结构来解决此问题。在DC-DC Buck Power System上进行的一组实验表明,与常规方法相比,新的Cascade ESO设计有效地抑制了传感器噪声过度放大的不利影响,同时增加了估计/控制性能。还通过在转换器输出处使用低通滤波器对所提出的设计进行分析,这是减少工业应用中测量噪声的常见技术。

The performance of active disturbance rejection control (ADRC) algorithms can be limited in practice by high-frequency measurement noise. In this work, this problem is addressed by transforming the high-gain extended state observer (ESO), which is the inherent element of ADRC, into a new cascade observer structure. Set of experiments, performed on a DC-DC buck power converter system, show that the new cascade ESO design, compared to the conventional approach, effectively suppresses the detrimental effect of sensor noise over-amplification while increasing the estimation/control performance. The proposed design is also analyzed with a low-pass filter at the converter output, which is a common technique for reducing measurement noise in industrial applications.

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