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Iterative learning control in feedback systems
Automatica, 1995A new iterative learning control scheme is presented to provide tracking control for a class of nonlinear systems. The scheme uses a standard feedback control configuration, but is augmented by a feedforward term that is updated via iterative learning control.
Tae-Jeong Jang +2 more
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Multirate iterative learning control schemes
2008 10th International Conference on Control, Automation, Robotics and Vision, 2008In this paper, three iterative learning control (ILC) schemes are developed in the multirate signal processing domain. One is pseudo-downsampled ILC, in which the input update rate is different from the sampling rate of feedback system. The second one is a two-mode ILC, in which the input update rates of ILC are different at low and high frequency ...
Bin Zhang 0008 +4 more
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2019
The chapter presents original research results in the area of nonlinear iterative-learning control. We propose a novel ILC scheme developed using neural networks. The following two cases are described: dynamic and static learning controllers and in both cases the controller is designed in such a way as to minimize the tracking error.
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The chapter presents original research results in the area of nonlinear iterative-learning control. We propose a novel ILC scheme developed using neural networks. The following two cases are described: dynamic and static learning controllers and in both cases the controller is designed in such a way as to minimize the tracking error.
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Iterative learning control with saturation constraints
2009 American Control Conference, 2009We consider the problem of synthesis of iterative learning control schemes for linear systems with saturation constraints. The problem of minimizing the tracking error is formulated as a constrained convex optimization problem, namely a linearly constrained quadratic program.
Sandipan Mishra +2 more
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Harnessing the nonrepetitiveness in iterative learning control
Proceedings of the 41st IEEE Conference on Decision and Control, 2002., 2003In iterative learning control (ILC), it is usually assumed that the disturbances, uncertainties and the desired trajectories are invariant with respect to the iteration number or iteration-independent. In practice, this may not be true. How to accommodate the iteration-dependent disturbances, uncertainties and the desired trajectories is practically ...
YangQuan Chen, Kevin L. Moore 0001
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Iterative learning control and repetitive control
International Journal of Control, 2011Chris T. Freeman, Ying Tan 0001
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Iterative Learning Control for a Hydraulic Cushion
2019An Iterative Learning Control algorithm is presented for the force control circuit of a hydraulic cushion, which improves the existing control scheme based on classical PI control and feedback linearization. The circuit contains a proportional valve for regulating the pressure at the cylinder chamber and, therefore, the force applied by the cushion ...
Ignacio Trojaola +4 more
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The robust stability of iterative learning control. [PDF]
, 2010 This thesis examines the notion of the long term robust stability of iterative learning control (ILC) systems engaged in trajectory tracking, using a robust stability theorem based on a biased version of the nonlinear gap metric. This is achieved through two main results: The first concerns the establishment of a nonlinear robust stability theorem ...
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