Double adaptive fuzzy sliding mode control for hydraulic servo system of parallel machine

被引：0
|
作者：
Tang, Rui [1 ,2 ]
Wang, Shaojiang [1 ]
Hou, Li [1 ]
Zhang, Qi [1 ]
Jiang, Ping [1 ]
Ren, Wenjuan [1 ]
机构：
[1] School of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, China
[2] School of Machinery and Engineering, Panzhihua University, Panzhihua 617000, China
来源：
Nongye Jixie Xuebao/Transactions of the Chinese Society of Agricultural Machinery | 2012年 / 43卷 / 10期
关键词：
Adaptive control systems - Fuzzy systems - Hydraulic machinery - Sliding mode control - Hydraulic servomechanisms - Three term control systems;
D O I：
10.6041/j.issn.1000-1298.2012.10.041
中图分类号：
学科分类号：
摘要：
Taking a single-channel control of parallel machine tools as the research object, an double adaptive fuzzy sliding mode control method adapted to the asymmetric cylinder hydraulic servo system controlled by symmetric valve was presented to make the output of the system follow the reference signal progressively, so that the problems of dynamic performance asymmetry, low accuracy, low stability were resolved. Double adaptive fuzzy sliding mode control was more suited to complex systems with higher order nonlinearity and strong interference. The simulation results demonstrated that the double adaptive fuzzy sliding mode control system could greatly improve the dynamic performance and control precision of parallel machine tools. The steady-state error is only 20% of PID controller.
引用
收藏
页码：229 / 234
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