Lee, Qiao Hui
(2013)
Development Of Model Based Decoupler For Multi Input Multi Output Distillation Column.
Masters thesis, Perpustakaan Hamzah Sendut.
Abstract
Distillation column is a complex multivariable system and exhibits nonlinear
dynamic behaviour due to the complex processing configurations and high product
purities. The strong coupling among control loops often invalidates conventional
loop controllers. Coupling is a very common phenomenon in multiple input multiple
output (MIMO) systems. During processes, multiple control loops are designed for a
process plant to control and guarantee the product quality. However, the control
loops interact with other significantly. Due to the interaction between the loops, the
stability and the product quality of the process may be compromised. Therefore,
decoupling control was introduced to reduce the coupling problem in the nonlinear
system.
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