Modeling and comparative study of PID Ziegler Nichols (ZN) and Cohen-Coon (CC) tuning method for Multi-tube aluminum sulphate water filter (MTAS)

2017 ◽  
Author(s):  
Ahmad Aftas Azman ◽  
Mohd Hezri Fazalul Rahiman ◽  
Nurul Nadia Mohammad ◽  
Mohd Hezri Marzaki ◽  
Mohd Nasir Taib ◽  
...  
Keyword(s):  
Comparative Study ◽  
Water Filter ◽  
Tuning Method ◽  
Aluminum Sulphate ◽  
Sulphate Water

The System: Lithium Sulphate-Aluminum Sulphate-Water

1931 ◽  
Vol 35 (10) ◽  
pp. 3086-3089 ◽  
Author(s):  
J. P. Sanders ◽  
J. T. Dobbins
Keyword(s):  
Lithium Sulphate ◽  
Aluminum Sulphate ◽  
Sulphate Water

scholarly journals AVALIAÇÃO DA EFICIÊNCIA DE AGENTES COAGULANTES EM EFLUENTE DE FRIGORÍFICO

2020 ◽  
Vol 12 (1) ◽  
pp. 11-19
Author(s):  
Alexandre Teixeira Souza ◽  
Danielli Chagas
Keyword(s):  
Comparative Study ◽  
Removal Efficiency ◽  
Small Variation ◽  
Cod Removal ◽  
The Other ◽  
Anionic Polymer ◽  
Turbidity Removal ◽  
Natural Coagulant ◽  
Aluminum Sulphate ◽  
Vegetable Tannin

In the refrigeration industry, a large amount of water is used throughout processes, generating effluents that need treatment before release. The purpose of this work was to make a comparative study of three coagulants used in the treatment of effluents: Aluminum Polychloride (PAC), Aluminum Sulphate (Al2(SO4)3) and Vegetable Tannin, with the aid of a flocculant (Anionic Polymer) by analyzing COD removal efficiency and turbidity. Jar coagulation / flocculation tests were conducted to optimize the concentration of coagulants. It was found that the natural coagulant presented a small variation in the pH parameter, avoiding the use of chemicals for its correction. The results of turbidity removal percentages indicated a great potential for Tannin when compared to the other chemical coagulants.

scholarly journals Comparative study between the NLPI controller and the CPI controller

2019 ◽  
Vol 10 (3) ◽  
pp. 1178
Author(s):  
Mohammed Touhami ◽  
Pierre Sicard ◽  
Abdeljebar Hazzab ◽  
Fouad Mokhtari
Keyword(s):  
Comparative Study ◽  
Pi Controller ◽  
Process Parameter ◽  
The Other ◽  
Control Engineering ◽  
Tuning Method ◽  
Valuable Addition ◽  
Speed Of Response ◽  
Simulation Based ◽  
Parameter Variations

Unquestionably, the classic CPI controller dominates the industry and has the advantage of being simple and easy to implement. because its setting remains intuitive and more practical. On the other hand, these disadvantages lie in the fact that most of them reach a compromise in terms of speed of response and stability. Even worse, such an approach becomes insufficient at the increasingly demanding speeds demanded by the industry. in this context the NLPI controller is currently presented as an alternative. With its simple tuning method and robustness to process parameter variations, it stands out as a valuable addition to the toolbox of control engineering specialists. This paper aims to provide a simulation-based study using a MAS controlled by IFOC, comparing the PI controller system to the NLPI controller system. The results will be in favor of the last one.

Author response for "Laminar distribution of cortical projection neurons to the pulvinar: A comparative study in cats and mice"

2020 ◽  
Author(s):  
Bruno Oliveira Ferreira de Souza ◽  
Éve‐Marie Frigon ◽  
Robert Tremblay‐Laliberté ◽  
Christian Casanova ◽  
Denis Boire
Keyword(s):  
Comparative Study ◽  
Author Response ◽  
Projection Neurons ◽  
Cortical Projection ◽  
Laminar Distribution

Structural and functional properties of Escherichia coli-derived nucleoplasmin A comparative study of recombinant and natural proteins

2001 ◽  
Vol 268 (6) ◽  
pp. 1739-1748
Author(s):  
Aitor Hierro ◽  
Jesus M. Arizmendi ◽  
Javier De Las Rivas ◽  
M. Angeles Urbaneja ◽  
Adelina Prado ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Comparative Study ◽  
Functional Properties ◽  
Structural And Functional Properties
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