A Nonlinear Suppression Method for Solid Oxide Fuel Cells Based on Multi-model Predictive Control
A technology of solid oxides and fuel cells, which is applied in the direction of adaptive control, general control system, control/regulation system, etc., and can solve problems such as control quantity constraints
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[0060] The technical solution of the present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.
[0061] This specific embodiment discloses a non-linear suppression method for solid oxide fuel cells based on multi-model predictive control, such as figure 1 shown, including the following steps:
[0062] S1: Aiming at the nonlinearity of the solid oxide fuel cell itself, conduct nonlinear analysis and identification modeling of the controlled solid oxide fuel cell at multiple operating points, and construct a linear fuel cell sub-model at each operating point. According to the fluctuation range of the resistive load of the solid oxide fuel cell, five operating points of the fuel cell at different resistive load disturbances, output rated voltage, and fuel utilization ratio of 0.8 are selected, as shown in Table 1, and four operating points ( 1#, 2#, 3#, 5#) of the solid oxide fuel cell are respectively subjected to...
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