multivariable process
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2021 ◽  
Vol 9 (3) ◽  
pp. 133-142
Author(s):  
Awatef K Ali ◽  
Magdi S Mahmoud

A multivariable process of four interconnected water tanks is considered for modeling and control. The objective of the current study is to design and implement a distributed control and estimation (DEC) for a multivariable four-tank process. Distributed model and inter-nodal communication structure are derived from global state–space matrices, thus combining the topology of plant flow sheet and the interaction dynamics across the plant subunits. Using experimental data, the process dynamics and disturbance effects are modeled. A typical lab-scale system was simulated and the obtained results demonstrated the potential of the DEC algorithm.



Author(s):  
Reyhane Mokhtarname ◽  
Ali Akbar Safavi ◽  
Leonhard Urbas ◽  
Fabienne Salimi ◽  
Mohammad M. Zerafat ◽  
...  




2020 ◽  
Vol 19 (2) ◽  
pp. 133-140 ◽  
Author(s):  
Aravind Venkataraman ◽  
Veeramani Veerapathran ◽  
Marimuthu S. Girirajkumar




2019 ◽  
Vol 2 (1) ◽  
pp. 1-6 ◽  
Author(s):  
Zohra Zidane

Non-minimum phase Multi-input Multi-Ouput (MIMO) systems are known to be difficult to control. Model Predictive Control (MPC) algorithms are powerful control design methods widely applied to industrial processes. The handling of various input constraints in the MPC problem of ARIMAX non-minimum phase MIMO systems is considered. This approach is applied for control of industrial quadruple tanks. However, there is no easy way to solve the problem of constraints. The methods based on the quadratic programming (QP) technique are used to solve the constrained optimization problem. A comparative study of unconstrained and constrained control system behavior is given. Some illustrative simulation results for a considered system are presented and discussed. Encouraging results are obtained that motivate for further investigations.



2019 ◽  
Vol 52 (9) ◽  
pp. 15-20
Author(s):  
Javier Sotomayor-Moriano ◽  
Gustavo Pérez-Zúñiga ◽  
Mario Soto


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