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Feedforward based transient control in solid oxide fuel cells
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DOI：10.1016/j.conengprac.2016.08.008.png)
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Abstract
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In SOFCs, transient control of fuel utilization is achievable via input-shaping. In this paper, the approach is generalized to a feedforward control problem for second-order LTI systems with two inputs and one output. One is a measurable, time-varying, exogenous input and the other is a control input. The problem studied is exact tracking of a constant reference using the plant's DC gain vector. The problem considers plant models that can be divided into known and unknown parts, and where feedback is unavailable. Although SOFCs have nonlinear dynamics, the linear abstraction nevertheless helps predict the observed effectiveness of input-shaping. (C) 2016 Elsevier Ltd. All rights reserved.
Keywords:
Solid oxide fuel cell
Fuel utilization
Transient control
Invariant property
Feedforward control
Input-shaping
Disturbance input
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