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The contour accuracy of XY table directly driven by two linear motors was influenced by nonlinear friction of dynamic system. On the basis of analyzing the contour error of the system, the control strategy combining state observer and sliding-model controller with the cross coupling controller (CCC) was presented in the paper. A sliding-model state observer was proposed to estimate state z which was...
On the basis of the characteristic and requirement of the continued hyperthermic celiac perfusion (CHCP) temperature process. A model is set up, the generalized predictive self-tuning control (GPSC) algorithm is used to control the whole system to get high accuracy. The parameters identification and the design of generalized predictive self-tuning controller have been realized. Experimental result...
Fast sampling is desirable to describe signal transmission through wide-bandwidth systems. The delta-operator provides an ideal discrete-time modeling description for such fast-sampled systems. However, the estimation of delta-domain model parameters is usually biased by directly applying the delta-transformations to a sampled signal corrupted by additive measurement noise. This problem is solved...
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