Closed-loop position control of a membrane based electrohydraulic actuator for an active damping system for portal milling machines
Closed-loop position control of a membrane based electrohydraulic actuator for an active damping system for portal milling machines
复制标题
用于龙门铣床主动阻尼系统的基于膜的电液执行器的闭环位置控制
DOI：
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发表时间：
2013
期刊：
影响因子：
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通讯作者：
Birk Brockmann
中科院分区：
文献类型：
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作者：
C. Brecher;S. Bäumler;Birk Brockmann
主动减振系统能够通过抵消正在发生的振动来抑制切割过程中的颤振。这种主动系统的主要部分是执行器，它为反作用提供必要的能量。为满足大型机床主动减振系统的要求，研制了一种用钢膜代替滑动垫片的高动态电液执行器。本文提出了一种控制器，提高了该驱动器的定位精度和带宽。
Active damping systems are able to suppress chatter in cutting processes by counteracting occurring vibrations. Main part of such an active system is the actuator, which provides the necessary energy for the counteracting. For the use in an active damping system for large scale machine tools, a highly dynamic electrohydraulic actuator with steel membranes instead of gliding gaskets has been developed. In this paper a controller, which increases positioning accuracy and bandwidth of this actuator is presented.