基于Vague集的自适应自抗扰控制器设计

Design of Adaptive ADRC Based on Vague Sets

为进一步提高自抗扰控制器(ADRC)的动态性能和稳态性能,文中利用基于Vague集相似度量推理易于得到控制量和便于工程运用的优点,设计了一种基于Vague集的自适应ADRC;通过动态调整ADRC的非线性组合权值,提高ADRC的适应能力。仿真结果表明,基于Vague集的自适应ADRC较常规自抗扰控制器有更好的动态性能和稳态性能。

In order to improve performance of the active disturbance rejection controller （ADRC） , a kind of adaptive ADRC based on Vague sets was designed. Taking advantages of the measures of similarity reasoning using Vague sets whose parameters are controlled easily and practically, nonlinear combination weights of ADRC were dynamically adjusted to improve its adaptability. The simulation results show that the designed controller has better dynamic performance and steady state performance than conventional ADRC.