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This paper concerns the control law design by variable structure control for a kind of uncertain discrete-time systems. Why the chattering shows up for this kind of systems by discrete reaching law is investigated, and then a developed variable structure controller is designed based on grey prediction iterative algorithm. Based on the grey prediction model, the parameter values are obtained. A criterion...
The design of sliding mode variable structure control (SMVSC) for discrete time systems with uncertainties is discussed by discrete reaching law in this paper. The reason of causing chattering is given and a discrete reaching law with border lay is developed. Gray model estimation is built for the uncertainty items and the values of parameters are obtained. The reaching time is reduced by the proposed...
Soft sliding mode control (SSMC) strategy is given for discrete-time systems with uncertainties by the reaching law with active disturbance rejection function in this paper. The reason of causing chattering is analyzed and a discrete reaching law with boundary layer is developed. A grayscale algorithm is presented for uncertainties and the estimates of parameters are obtained appropriately. Soft sliding...
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