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对含未知参数的一类非线性系统给出一种新的直接自适应模糊控制方案.利用在线自适应调节估计逼近误差,用此估计值设计补偿器减小逼近误差对跟踪精度的影响.该方法不仅能够保证闭环系统的稳定性,而且可以使跟踪误差收敛到0或0的小邻域.
A new direct adaptive fuzzy control scheme is proposed for a class of nonlinear systems with unknown parameters.The online adaptive adjustment is used to estimate the approximation error and the compensator is used to reduce the influence of the error on the tracking accuracy. The method can not only ensure the stability of the closed-loop system, but also make the tracking error converge to a small neighborhood of 0 or 0.