PID control mechanism for the impact of pyrolysis temperature on bio-oil yield from biomass feedstock
DOI:
https://doi.org/10.15282/jceib.v12i1.12149Keywords:
Bio-oil, Pyrolysis, MATLAB, PID Controller, SimulinkAbstract
The global population is expected to increase on a yearly basis. To meet the energy demands of this rapid expansion, researchers must identify new alternative energy sources and replace depleted fossil fuels with other sources, such as biomass. Biomass can be thermochemically converted into bio-oil through pyrolysis; however, the conventional pyrolysis method lacks adequate process control. This study aims to analyze the effects of temperature on the effectiveness of disturbance in pyrolysis. The temperature was adjusted to determine the bio-oil yield as the primary process variable. MATLAB was employed to simulate data from the preceding case study using the Proportional Integral Derivative (PID) controller method. Transfer functions were developed during system identification to assess the efficiency of the order systems adopted. The PID controller was also used to evaluate the impact of disturbances on the process control system. The experiment was divided into four groups: PID controller with 0 zeros, 0 zeros with disturbance, 1 zero, and 1 zero with disturbance. Various transfer functions were applied to convert each group into first-, second-, and third-order systems. The results indicated that the first-order system produced the most stable process and met the target yield of 72%. This dataset can be used to advance current research on bio-oil yield optimization using the PID control mechanism as a component of the process control system.
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