Backstepping-based cascade control scheme for batch distillation columns

AIChE Journal ◽  
2004 ◽  
Vol 50 (9) ◽  
pp. 2113-2129 ◽  
Author(s):  
Rosendo Monroy-Loperena ◽  
Jose Alvarez-Ramirez
Keyword(s):  
Cascade Control ◽  
Batch Distillation ◽  
Distillation Columns ◽  
Control Scheme

State Estimator Design for Multicomponent Batch Distillation Columns

2005 ◽  
Vol 83 (5) ◽  
pp. 433-444 ◽  
Author(s):  
U. Yildiz ◽  
U.A. Gurkan ◽  
C. Özgen ◽  
K. Leblebicioğlu
Keyword(s):  
Batch Distillation ◽  
State Estimator ◽  
Distillation Columns ◽  
Estimator Design

Adaptive composite control method of permanent magnet synchronous motor systems

2017 ◽  
Vol 40 (11) ◽  
pp. 3345-3357 ◽  
Author(s):  
Zhenxing Sun ◽  
Shihua Li ◽  
Jiegao Wang ◽  
Xinghua Zhang ◽  
Xiaohui Mo
Keyword(s):  
Control Method ◽  
Permanent Magnet Synchronous Motor ◽  
Digital Signal ◽  
Cascade Control ◽  
Current Loop ◽  
Single Loop ◽  
Control Scheme ◽  
Control Schemes ◽  
Relative Differences ◽  
Compensation Design

With the development of digital signal processes, the relative differences of PMSM single loop in control periods between the speed loop and current loops are becoming smaller or even vanishing. Therefore, cascade control schemes seem to be unnecessary. In addition, considering the effects of disturbances and the variety of moments of inertia, this paper proposes a scheme using an adaptive non-cascade control method to design the controller, which merges speed loop and q-axis current loop into one single loop. First, an extended state observer (ESO) is employed to estimate the disturbances of the system. The estimated value is used in the feedforward compensation design to improve the capability of system anti-disturbance. Then, considering the performance degradation caused by inertia change, an adaptive control scheme is developed. By using inertia identification technology, the feedforward compensation gain can be tuned automatically according to the identification value. Several groups of simulations and experiments are carried out and the results demonstrate the effectiveness of the proposed scheme.

Backstepping design of composition cascade control for distillation columns

AIChE Journal ◽  
2002 ◽  
Vol 48 (8) ◽  
pp. 1705-1718 ◽  
Author(s):  
Jose Alvarez-Ramirez ◽  
Jesus Alvarez ◽  
Rosendo Monroy-Loperena
Keyword(s):  
Cascade Control ◽  
Backstepping Design ◽  
Distillation Columns

A hybrid cascade control scheme for the VFA and COD regulation in two-stage anaerobic digestion processes

2016 ◽  
Vol 218 ◽  
pp. 1195-1202 ◽  
Author(s):  
H.O. Méndez-Acosta ◽  
A. Campos-Rodríguez ◽  
V. González-Álvarez ◽  
J.P. García-Sandoval ◽  
R. Snell-Castro ◽  
...  
Keyword(s):  
Anaerobic Digestion ◽  
Cascade Control ◽  
Two Stage ◽  
Control Scheme

EKF and ANFIS Estimator Design in Multicomponent Batch Distillation Columns

2004 ◽  
Vol 37 (9) ◽  
pp. 631-636
Author(s):  
Ugur Yildiz ◽  
Evren Güner ◽  
Canan Özgen ◽  
Kemal Leblebicioglu
Keyword(s):  
Batch Distillation ◽  
Distillation Columns ◽  
Estimator Design
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