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|Title:||To a high performance linear controller and its application to a hdd-track following servo system|
|Source:||Herrmann, G.,Ge, S.S.,Guo, G. (2005). To a high performance linear controller and its application to a hdd-track following servo system. IFAC Proceedings Volumes (IFAC-PapersOnline) 16 : 97-102. ScholarBank@NUS Repository.|
|Abstract:||The performance of a linear, discrete high performance track following controller in a hard disk drive is improved for its disturbance rejection by augmentation of a discrete non-linear, adaptive neural network (NN) element. The neural network element is deemed to be particularly effective for rejection of bias forces, such as friction. Theoretical and experimental results have been obtained. It is shown theoretically that a NN-element is effective in counteracting a non-linear, system-specific, model-dependent disturbance. The disturbance is assumed to be unknown, with the exception that the disturbance is known to be matched to the plant actuator input range and the disturbance is an (unknown) continuous function of the plant output measurements. in an experiment for a laboratory HDD-servo system, it is shown that the NN-control element improves performance and appears particularly effective for a reasonably small number of NN-nodes. Copyright © 2005 IFAC.|
|Source Title:||IFAC Proceedings Volumes (IFAC-PapersOnline)|
|Appears in Collections:||Staff Publications|
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