Chemical reactors are often characterized by highly nonlinear
behaviour. In such a case the use of the conventional control
strategies that employ PI or PID controllers with fixed parameters
can result in poor performance. The combination of the simulation
and experiments on the real model of the system was used here.
Simulations have several advantages over experiments on the real
system. Among them are the lower costs, increased safety and less
time consumption. On the other hand, simulation results could
sometimes are not very accurate. Steady-state analysis is usually
the first step in the investigation of the system. The first
control approach used in the work is the adaptive control which is
based on recursive identification of the external linear model
(ELM) originally nonlinear system. The second approach used in this
work is the Generalized Predictive Control (GPC) where the future
control sequence is computed by the minimizing the error between
reference and output signal on the prediction horizon. All control
methods were verified on the mathematical model of CSTR and the
tubular chemical reactor and the real model of CSTR.
Lap Lambert Academic Publishing
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