Journal of Modern Power Systems and Clean Energy

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Home > Archive>Volume 9, Issue 5, 2021 >1193-1204. DOI:10.35833/MPCE.2019.000170
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Adaptive Control System for Biogas Power Plant Using Model Predictive Control
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Electrical Engineering Department, Mansoura University, Mansoura, Egypt

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    Abstract:

    This paper presents an adaptive control system using model predictive control for a biogas-fueled power system. The control scheme is derived from an anaerobic digestion model that includes the concentration of biodegradable volatile solid in the reactor, the concentration of volatile solid in influent, the concentration of acidogens, and the concentration of methanogens. All these concentrations are the state variables of model predictive control. The whole biogas-fueled power system has been modeled, implemented, and tested in MATLAB/Simulink environment. To validate the performance of the proposed controller, different operation conditions are studied and analyzed. The simulation results prove the effectiveness and the applicability of the proposed control system under different operating conditions.

    图1 Basic structure model of MPC.Fig.1
    图2 Block diagram of proposed control system using MPC.Fig.2
    图3 Schematic diagram for proposed control system.Fig.3
    图4 Schematic diagram of an MT control function.Fig.4
    图5 Flowchart for proposed control system.Fig.5
    图6 Block diagram of MT speed controller.Fig.6
    图7 Block diagram of temperature controller.Fig.7
    图8 Block diagram of fuel flow control system.Fig.8
    图9 Variation of MT torque and speed with and without MPC-based controller.Fig.9
    图10 Variation of produced Methane with constant load.Fig.10
    图11 Variation of accumulated methane with constant load without MPC.Fig.11
    图12 Variation of accumulated methane with constant load with MPC.Fig.12
    图13 Studied load curve.Fig.13
    图14 Variation of generator speed with load. (a) Without MPC. (b) With MPC.Fig.14
    图15 Variation of produced methane with load.Fig.15
    图16 Variation of accumulated methane in tank with MPC controller.Fig.16
    图17 Variation of methane with variable load when applying MPC controller.Fig.17
    图18 Variation of MT torque with unbalanced load condition. (a) Without MPC. (b) With MPCE.Fig.18
    图19 Variation of generator speed with unbalanced load condition. (a) Without MPC. (b) With MPC.Fig.19
    图20 Variation of generator output voltage with unbalanced load condition. (a) Without MPC. (b) With MPC.Fig.20
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History
  • Received:March 19,2019
  • Revised:
  • Adopted:
  • Online: September 28,2021
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