Effectiveness of Saliency-Based Methods in Optimization of Neural State Estimators of the Drive System With Elastic Couplings
Orlowska-Kowalska, T.; Kaminski, M.
Industrial Electronics, IEEE Transactions on
Volume 56, Issue 10, Oct. 2009 Page(s):4043 - 4051
Digital Object Identifier   10.1109/TIE.2009.2027250
Summary:This paper deals with the optimization problem of internal structure of neural-network (NN)-based state estimators of the drive system with elastic joints. Saliency-based optimization methods, developed in the NN theory, are tested in this paper to obtain the high-quality estimation of torsional torque and load-machine speed. The optimal brain damage and optimal brain surgeon methods are compared in this application. The state variables estimated by the optimized NN are used in feedback paths in the two-mass drive structure with a state controller. The simulation results show good accuracy of both presented neural estimators for a wide range of changes of the reference speed and the load torque. The simulation results are verified by laboratory experiments.

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