Journal
CONTROL ENGINEERING PRACTICE
Volume 56, Issue -, Pages 86-91Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2016.08.008
Keywords
Solid oxide fuel cell; Fuel utilization; Transient control; Invariant property; Feedforward control; Input-shaping; Disturbance input
Funding
- NSF [1158845]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1158845] Funding Source: National Science Foundation
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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.
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