Journal
PROCESSES
Volume 9, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/pr9071111
Keywords
MEC; hydrogen production; online optimization; golden section search; super-twisting controller; FPGA
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Funding
- Mexican Council of Science and Technology (CONACyT) [614412/327289]
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This work presents the design of a hardware architecture for optimizing the Hydrogen Productivity Rate (HPR) in a Microbial Electrolysis Cell (MEC), using the golden section search algorithm and super-twisting controller to maximize HPR. The optimization algorithm showed high efficiency and low power consumption when implemented in an FPGA.
In this work, the design of the hardware architecture to implement an algorithm for optimizing the Hydrogen Productivity Rate (HPR) in a Microbial Electrolysis Cell (MEC) is presented. The HPR in the MEC is maximized by the golden section search algorithm in conjunction with a super-twisting controller. The development of the digital architecture in the implementation step of the optimization algorithm was developed in the Very High Description Language (VHDL) and synthesized in a Field Programmable Gate Array (FPGA). Numerical simulations demonstrated the feasibility of the proposed optimization strategy embedded in an FPGA Cyclone II. Results showed that only 21% of the total logic elements, 5.19% of dedicated logic registers, and 64% of the total eight-bits multipliers of the FPGA were used. On the other hand, the estimated power consumption required by the FPGA-embedded optimization algorithm was only 146 mW.
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