A New FPGA Based Green Controller Using Modeling Language

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In recent years, the renewable energy system requires the modeling language based control and the high-performance CPU. As for CPU, the improvement of the CPU performance reaches its limitation caused from its clock frequency. Therefore, the multi-core and the virtualization are mainstream strategies for its improvement and such mechanisms have some issues including complicated algorithm of controller and inheritance of design on CPU architecture generation. For such reasons, Field Programmable Gate Array (FPGA) is expected to replace the role of CPU since it has several advantages such as long period supply, inheritance and power-saving. It is applied to the small machinery control so far, and there are few researches to apply it to the power plant control. For such purpose, a flexible control with the modeling language like CPU and on-line modification of the control logics are necessary. In this paper, to fulfill such requirements on the control system for the infrastructure like the power system, a new FPGA based controller named "green controller" is proposed. An architecture to realize it and required conditions based on FPGA are clarified. Furthermore, performance and FPGA resource usage are measured in the experiment with the proposed architecture for evaluation.