说明：  基于自适应迭代学习算法的一类非线性系统故障检测与估计，提出自适应迭代学习方法结合龙哥库塔观测器，引入h-inf方法进行故障估计
(Based on the adaptive iterative learning algorithm for fault detection and estimation of a class of nonlinear systems, an adaptive iterative learning method combined with the longkotta observer is proposed, and the h-inf method is introduced for fault estimation)