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Iterative learning control for systems with input deadzone

delete2005-09-01
delete45
PRE
AI
J
Jianxin Xu
J
Jing Xu
T
Tong H. Lee
DOI:10.1109/TAC.2005.854658delete
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Abstract

Abstract

En 中文
Most iterative learning control (ILC) schemes proposed hitherto were designed and analyzed without taking the input deadzone into account. Input deadzone is a kind of nonsmooth and nonaffine-in-input factor widely existing in actuators or mechatronics devices. It gives rise to extra difficulty due to the presence of singularity in the input channels. In this note, we disclose that ILC methodology remains effective for systems with input deadzone that could be nonlinear, unknown and state-dependent. Through rigorous proof, it is shown that despite the presence of the input deadzone, the simplest ILC scheme retains its ability of achieving the satisfactory performance.
Keywords:
convergence analysis
input deadzone
iterative learning control
nonlinear dynamics
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Journal

IEEE Transactions on Automatic Control cover
IEEE Transactions on Automatic Control
IF:
7
Papers:
1.3W
Citations:
6.7W

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