Second-Order Sliding Mode Control for Nonlinear Uncertain Systems Bounded by Positive Functions
Second-Order Sliding Mode Control for Nonlinear Uncertain Systems Bounded by Positive Functions
复制标题
正函数为界的非线性不确定系统的二阶滑模控制
DOI:
10.1109/tie.2015.2448064
复制
发表时间:
2015-06
影响因子:
7.7
通讯作者:
Zheng, Wei Xing
中科院分区:
文献类型:
--
作者:
Ding, Shihong;Wang, Jiadian;Zheng, Wei Xing
This paper considers the second-order sliding (2-sliding) mode control design problem for nonlinear systems with uncertainties bounded by positive functions. Two different 2-sliding mode control algorithms are proposed, including a discontinuous one and a quasi-continuous one. The discontinuous algorithm is built based upon the Lyapunov method, and the global finite-time Lyapunov stability rather than the global finite-time convergence is established for the resulting closed-loop system by using the modified adding a power integrator technique. On this basis, a quasi-continuous 2-sliding mode algorithm is further developed, and the chattering problem can be considerably reduced. Simulation results show that the control strategies proposed in this paper are effective.
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