单连杆柔性机械臂的非线性自适应RBFNN控制

A. R. Maouche, M. Attari
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引用次数: 4

摘要

本文描述了一种针对柔性连杆机械臂在结构和非结构两种不确定性条件下的控制问题的混合方法。首先,阐述了基于机器人运动方程的非线性控制器。它的目的是产生一个稳定的控制。然后,实现了自适应RBF神经控制器对结构化和非结构化不确定性进行补偿。针对柔性机械臂动态参数的重要变化,对两种控制规律相结合得到的新控制器进行了效率测试,并与经典非线性控制器进行了比较。仿真结果表明了所提控制策略的有效性。
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Nonlinear adaptive RBFNN control of a one-link flexible manipulator
This paper describes a hybrid approach to the problem of controlling flexible link manipulators in the face of both structured and unstructured uncertainties. First, a nonlinear controller based on the equations of motion of the robot is elaborated. Its aim is to produce a stable control. Then, an adaptive RBF neural controller is implemented to compensate structured and unstructured uncertainties. Efficiency of the new controller obtained by combining the two control laws is tested facing an important variation of the dynamic parameters of the flexible manipulator and compared to a classical nonlinear controller. Simulation results show the effectiveness of the proposed control strategy.
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