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Linear model predictive control for transport-reaction processes
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DOI：10.1002/aic.15592.png)
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The article deals with systematic development of linear model predictive control algorithms for linear transport-reaction models emerging from chemical engineering practice. The finite-horizon constrained optimal control problems are addressed for the systems varying from the convection dominated models described by hyperbolic partial differential equations (PDEs) to the diffusion models described by parabolic PDEs. The novelty of the design procedure lies in the fact that spatial discretization and/or any other type of spatial approximation of the process model plant is not considered and the system is completely captured with the proposed Cayley-Tustin transformation, which maps a plant model from a continuous to a discrete state space setting. The issues of optimality and constrained stabilization are addressed within the controller design setting leading to the finite constrained quadratic regulator problem, which is easily realized and is no more computationally intensive than the existing algorithms. The methodology is demonstrated for examples of hyperbolic/parabolic PDEs. (c) 2017 American Institute of Chemical Engineers AIChE J, 63: 2644-2659, 2017
Keyword:
model predictive control
transport-reaction models
Cayley-Tustin discretization
tubular reactor
axial-dispersion reactor
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4
论文数:
1.1W
被引数:
2.9W
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LQ control design of a class of hyperbolic PDE systems: Application to fixed-bed reactor.png)
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