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Compressive Sensing Based Predictive Current Control of Electrical Drives
Ferdinand Grimm,Zhenbin Zhang 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
We propose a novel control approach for two level inverter drives that is based on a reformulation of the model predictive current control framework. Using inverse modeling we define a sparse optimization problem to achieve the control goal. In order to reduce the computational effort the optimization problem is relaxed to an l1-minimization. A structured iterative hard thresholding algorithm is proposed to solve the `1-minimization. Furthermore, an outlook to multistep model predictive control is given. The results are then verified by means of simulations.