Reducing stick-slip friction in hydraulic actuators

被引：0
|
作者：
Owen, WS [1 ]
Croft, EA [1 ]
McFarlane, JR [1 ]
机构：
[1] Univ British Columbia, Ind Automat Lab, Vancouver, BC V6T 1Z4, Canada
来源：
2001 IEEE/ASME INTERNATIONAL CONFERENCE ON ADVANCED INTELLIGENT MECHATRONICS PROCEEDINGS, VOLS I AND II | 2001年
关键词：
friction; stick-slip; stiction; hydraulic actuator;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Stick-slip friction In hydraulic actuators is a problem for accuracy and repeatability. Friction compensation has been approached through various control techniques. This work presents an alternative solution, namely, friction avoidance. By rotating the piston and rod the Stribeck region of the friction - velocity curve is avoided and the axial friction opposing the piston movement Is linearized, making control more accurate and robust. Simulation results are presented to validate this approach and Identify the operating limits for the rotational velocity.
引用
收藏
页码：642 / 647
页数：2
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