For repetitive movements of the objects,iterative learning control is an positive and effective control method. This dissertation mainly studies a class of nonlinear systems with initial deviation, state and control time delay and repetitive output disturbance based on PD-type iterative learning control algorithm.Considering close-loop algorithm’ stability and robustness is pretty better than open-loop algorithm’s, combining the two algorithms has a wider significance,so a kind of open-closed-loop PD-type iterative learning control algorithm was proposed.The open-closed-loop PD-type learning algorithm and open-loop algorithm are applied respectively to simulation .The results of simulation prove that ILC algorithm can obtain a better control effect.
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杨翔. 非线性时滞系统开闭环PD型迭代学习控制研究[J]. 科学技术与工程, 2011, (27): . yangxiang. Research on a nonlinear system with state delay and control delay with open-closed-loop PD-type iterative learning control[J]. Science Technology and Engineering,2011,(27).