Neural Networks: A Comprehensive Foundation
Neural Networks: A Comprehensive Foundation
Numerical Mathematics and Computing
Numerical Mathematics and Computing
Performance analysis of three step positive input shaping
ACMOS'08 Proceedings of the 10th WSEAS International Conference on Automatic Control, Modelling & Simulation
Learning feedforward control of MIMO nonlinear systems using U-model
CA '07 Proceedings of the Ninth IASTED International Conference on Control and Applications
A time-domain feedback analysis of filtered-error adaptive gradientalgorithms
IEEE Transactions on Signal Processing
H∞ optimality of the LMS algorithm
IEEE Transactions on Signal Processing
IEEE Transactions on Neural Networks
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In this paper, MIMO U-model based IMC is used for the tracking control of multivariable nonlinear systems. The algorithm is implemented in real-time on a 2DoF robot arm. The stability and convergence issues for the control-oriented U-model are also discussed. In order to guarantee stability and faster convergence speeds, bounds are suggested for the learning rate of adaptation algorithm that estimate the parameters of U-model. The adaptation algorithm is first associated with a feedback structure and then its stability is investigated using l2 stability and small gain theorem. The paper also discusses about the robustness of adaptation algorithm in the presence of noise and suggests optimal choices for faster convergence speeds.