颤振自由滑模观测器在直流电动机速度控制中的应用

Shibly A. Al-Samarraie, Mustafa Hussein Mishary me
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引用次数: 6

摘要

经典滑模观测器的主要缺点是抖振问题,目前通过用近似代替sgum函数得到近似的经典滑模观测器消除了抖振问题。当sgn函数被近似的sgn函数代替时,估计误差不再趋近于零,而是趋近于原点周围的有界区域。本文通过调整所提出的观测器的参数来获得有界区域并对其进行控制。直流电动机系统受到扰动矢量的影响,未测量的角加速度被用作基于所提出观测器的非线性控制器的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Chattering Free Sliding Mode Observer with Application to DC Motor Speed Control
The main drawback of the classical sliding mode observer is the chattering problem which eliminated in the present via replacing the signum function with an approximation to get approximate classical sliding mode observer. When the signum function is replaced with an approximating one, the estimation error will not go to zero anymore, but it will go to the bounded region around the origin. In this paper, the bounded region is obtained and controlled by adjusting the parameters of the proposed observer. The DC motor system suffers from a perturbation vector, and unmeasured angular acceleration is utilized as an application to a nonlinear controller based on the proposed observer.
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