Sliding mode control with fuzzy compensator of pneumatic muscle actuator
Sliding mode control with fuzzy compensator of pneumatic muscle actuator
复制标题
气动肌肉执行器的模糊补偿器滑模控制
DOI:
10.1504/ijcat.2012.050113
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发表时间:
2012-10
期刊:
影响因子:
--
通讯作者:
Xing, Kexin
中科院分区:
文献类型:
--
作者:
Wu, Jun;Wang, Yongji;Huang, Jian;Xing, Kexin
In this paper, the Pneumatic Muscle (PM) as actuator is investigated. The PM model is established by using a phenomenological model consisting of a contractile element, a spring element, and a damping element in parallel. Unlike the previous study, we fully consider the different characteristics of PM model in different pressure ranges, especially in low pressure range. In order to test the effectiveness of our PM modelling, the Sliding Mode Control (SMC) is applied. For the purpose of improving the tracking accuracy, self-adaptation and robustness of PM control, Sliding Mode Control with Fuzzy Compensator (FCSMC) is developed to make PM system track a desired trajectory within a guaranteed accuracy even though there are modelling uncertainties, friction, disturbance, and so on. Based on the Lyapunov theory, the stability criterion under FCSMC control strategy for PM system is established. The experimental results demonstrate the validity of PM modelling as well as indicate the effectiveness of the proposed FCSMC method.
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DOI:
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