An iterative learning control method for continuous-time systems based on 2-D system theory

1998 ◽  
Vol 45 (6) ◽  
pp. 683-689 ◽  
Author(s):  
T.W.S. Chow ◽  
Yong Fang
Keyword(s):  
System Theory ◽  
Continuous Time ◽  
Iterative Learning Control ◽  
Control Method ◽  
Learning Control ◽  
Iterative Learning ◽  
Continuous Time Systems ◽  
Time Systems

Noise Tolerant Iterative Learning Control and Identification for Continuous-Time Systems With Unknown Bounded Input Disturbances

2007 ◽  
Vol 129 (6) ◽  
pp. 825-836 ◽  
Author(s):  
Tae-Hyoung Kim ◽  
Xiaoguang Zheng ◽  
Toshiharu Sugie
Keyword(s):  
Continuous Time ◽  
Iterative Learning Control ◽  
Time Derivative ◽  
Learning Control ◽  
Iterative Learning ◽  
Measurement Noise ◽  
Continuous Time Systems ◽  
Noise Tolerant ◽  
Time Systems ◽  
Bounded Input

This paper considers the problems of both noise tolerant iterative learning control (ILC) and iterative identification for a class of continuous-time systems with unknown bounded input disturbance and measurement noise. To this aim, we first propose a formulation of an extended ILC scheme using sampled input∕output (I∕O) data. The proposed ILC method has distinctive features as follows. Its learning law works in a prescribed finite-dimensional parameter space and employs I∕O data of all past trials efficiently. Also, the time derivative of tracking error is not required. Then, it is presented how the uncertain parameters can be identified by using the proposed ILC algorithm and how robust it is against measurement noise through a numerical example. Furthermore, its experimental evaluation is performed to demonstrate the effectiveness of the proposed identification scheme.

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