未知死区MIMO非线性系统的自适应模糊控制

A. Boulkroune, M. M'Saad, Mohamed Tadjine, M. Farza
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引用次数: 19

摘要

研究了一类不确定多输入多输出(MIMO)非线性系统的模糊自适应控制系统,该系统具有未知死区和未知增益矩阵符号(即未知控制方向)。为了处理控制增益矩阵的未知符号,采用了nussbaum型函数。在设计模糊自适应控制方案时,我们将充分利用控制增益矩阵的分解特性。为了补偿死区影响,我们既不需要知道死区参数,也不需要构造死区逆。仿真结果验证了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive fuzzy control for MIMO nonlinear systems with unknown dead-zone
In this paper, a fuzzy adaptive control system is investigated for a class of uncertain multi-input multi-output (MIMO) nonlinear systems with both unknown dead-zone and unknown sign of the control gain matrix (i.e. unknown control direction). To deal with the unknown sign of the control gain matrix, the Nussbaum-type function is used. In the designing of the fuzzy adaptive control scheme, we will fully exploit a decomposition property of the control gain matrix. To compensate the effects of the dead-zone, we require neither the knowledge of dead-zone parameters nor the construction of its inverse. Simulation results demonstrate the effectiveness of the approach.
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