The present study discusses a data-driven control method for the single-input single-output (SISO) dual-rate control system, in which the sampling interval of the plant output is shorter than the holding interval of the control input. Using the lifting technique, the SISO dual-rate system is converted to the single-input multi-output (SIMO) single-rate system, where the sampling intervals are the same as the holding interval, and the controller parameters are optimized using only the open loop data. Finally, the effectiveness of the proposed method is demonstrated through numerical examples.
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