Abstract
To provide higher speed and more flexibility, this paper presents a new implementation method of predictive current control (PCC) algorithms for an indirect matrix converter (IMC) using a digital signal processor (DSP) and a field programmable gate array (FPGA). In this method, the SPARTAN-3E FPGA is used as a master controller to execute the PCC and commutation algorithms and the TMS320F28335 DSP is used as a slave controller to sample voltages and currents and then transmit all sampling results and synchronization signals to the FPGA. A programming structure consisting of a top module and several reusable sub-modules is designed in FPGA delivering reduced development time and better time/area efficiency. Experimental results from an IMC prototype confirmed the practical feasibility of proposed implementation method.
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