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Solutions to the dead band when shifting the directions of shaft rotations in the air motors
Author(s): 
Pages: 32-34
Year: Issue:  1
Journal: HYDRAULICS PNEUMATICS & SEALS

Keyword:  气马达死区气H-桥速度和方向控制计算机PD控制;
Abstract: 传统的电磁比例滑阀控制气马达的转速和转向时,在换向过程中,气量逐渐减小直至为零.在气量为零期间即死区,气马达处于失控状态,影响轴的目标位置.采用计算机系统控制的气H-桥后,通过气马达的流量和方向不再是机械联系而是软件控制,可消除滑阀固有的机械死区,实现气马达平稳运转和换向的使用要求.
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