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Review of the applications of neural networks in chemical process control — simulation and online implementation

Mohamed Azlan Hussain
1999 Artificial Intelligence in Engineering  
This paper intend to provide an extensive review of the various applications utilizing neural networks for chemical process control, both in simulation and online implementation.  ...  We have categorized the review under three major control schemes; predictive control, inverse-model-based control, and adaptive control methods, respectively.  ...  Macchieto from the Center of Process Systems Engineering, Imperial College, London, for their comments to the paper and for allowing me to use the facilities in the center while doing part of this review  ... 
doi:10.1016/s0954-1810(98)00011-9 fatcat:3l2exdspx5d2ngy6qgxse4gnry

2019-2020 Index IEEE Transactions on Industrial Electronics Vol. 67

2020 IEEE transactions on industrial electronics (1982. Print)  
, Implementation, and Evaluation of a Neural-Network-Based Quadcopter UAV System; TIE March 2020 2076-2085 Jiang, J., Mohagheghi, A., and Moallem, M., Energy-Efficient Supplemental LED Lighting Control  ...  Kalman Filter; TIE Jan. 2020 442-450 Jiang, K., Yan, F., and Zhang, H., Data-Driven Modeling and UFIR-Based Out-let NO x Estimation for Diesel-Engine SCR Systems; TIE June 2020 5012-5021 Jiang, L., see  ...  Extended State Filter Based Disturbance and Uncertainty Mitigation for Nonlinear Uncertain Systems With Application to Fuel Cell Temperature Control.  ... 
doi:10.1109/tie.2020.3045338 fatcat:gljm7ngg3fakvmnfswcbb5vwiu

Managing abnormal operation through process integration and cogeneration systems

Serveh Kamrava, Kerron J. Gabriel, Mahmoud M. El-Halwagi, Fadwa T. Eljack
2014 Clean Technologies and Environmental Policy  
capacity, Malfunction of control valve Less Line restriction, defective pumps, fouling of valves disturbance in process operation due to deviation of feed flow, Impact on quality Point gas  ...  Figure 5 Claus Plant Ethylene Process The base case study of ethylene process flow sheet is shown in Fig.6 . The sweet ethane gas is fed to the cracking furnace.  ... 
doi:10.1007/s10098-014-0767-y fatcat:xrbuur4iizfnnnczysogxltzm4

A Real-Time Optimization Strategy for Small-Scale Facilities and Implementation in a Gas Processing Unit

Pedro A. Delou, Leonardo D. Ribeiro, Carlos R. Paiva, Jacques Niederberger, Marcos Vinícius C. Gomes, Argimiro R. Secchi
2021 Processes  
The application of RTO in the industrial case showed an enhancement in the stability of the main variables and an increase in profit of 0.64% when compared to the operation of the regulatory control layer  ...  The rise of new digital technologies and their applications in several areas pushes the process industry to update its methodologies with more intensive use of mathematical models—commonly denoted as digital  ...  The system presents relatively slow dynamics and is subjected to frequent disturbances, mostly in feed composition and ambient temperature.  ... 
doi:10.3390/pr9071179 fatcat:sehxwumnkfcbth556funswe6ky

Advanced Control Schemes for Cement Fabrication Processes [chapter]

Susana Arad, Victor Arad, Bogdan Bobor
2008 Robotics and Automation in Construction  
), Lafarge (France), Holcim (Switzerland), each one controlling about one third of the specific market.  ...  Robotics and Automation in Construction 382 Overview and state of art 2.1 Process description The cement related business in our country is divided between three big manufactures: Heidelberg Cement (Germany  ...  schemes Intelligent management of external disturbance, Advanced Control Schemes for Cement Fabrication Processes 401 www.intechopen.comAdvanced Control Schemes for Cement Fabrication  ... 
doi:10.5772/6195 fatcat:qse5pwdbsfghrhaawi5mh6gcry

Dynamic Modeling of the Reactive Side in Large-Scale Fluidized Bed Boilers

Guillermo Martinez Castilla, Rubén M. Montañés, David Pallarès, Filip Johnsson
2021 Industrial & Engineering Chemistry Research  
Within a given unit, the differences in heat capacity between the top and bottom of the furnace affect also the stabilization times, with the furnace top (lower heat capacity) being 1−3 times faster in  ...  the CFB unit and up to 10 times faster in the BFB unit.  ...  This effect is typically observed in thermal processes and reflects the fact that increasing the temperature of a system tends to be faster due to the presence of a heat source driving the process, whereas  ... 
doi:10.1021/acs.iecr.0c06278 fatcat:yavbcuc2hfd5bps4ynww4tayoy

Gas, Water and Solid Waste Treatment Technology

Wenxiang Zhang, Zhien Zhang, Avelino Núñez-Delgado
2021 Processes  
The increasing trends in gas pollution, water pollution, and solid waste pollution have an adverse impact on human health and ecological habitats [...]  ...  Conflicts of Interest: The authors declare no conflict of interest.  ...  The selected strategies are proportional integral (PI) control schemes such as dissolved oxygen control in the aerobic zone (DO control), DO con-trol and nitrates control in the anoxic zone (DO + NO control  ... 
doi:10.3390/pr9081397 fatcat:momxj5u3njhrras3pqhhmlyjhq

Fault detection for the Benfield process using a parametric identification approach

Johannes P. Maree, Ferdinando R. Camisani Calzolari
2012 International Journal of Automation and Control  
Acknowledge We would like to acknowledge to Bjørn Einar Bjartnes from Honeywell Company for helping in implementing of the RMPCT in UniSim. Acknowledgement  ...  MPC controller is used in order to achieve CO 2 composition control in the clean gas stream and temperature control of tray no.4 in the stripper.  ...  control of the simplified model and application of the proposed error correction scheme.  ... 
doi:10.1504/ijaac.2012.048645 fatcat:btp3ue2ggjdc7dis5cm7y6sp3i

Multifuel Burners [chapter]

2014 Combustion Engineering and Gas Utilisation  
In many schemes this is the only control required and comprises a modulating valve/ damper regulated by recipient flow outlet temperature.  ...  On a boiler system, the exhaust gases are admitted to the tower at a low level and rise towards the outlet coming into contact with a counter current cascade of water which cools them to below their dewpoint  ...  In certain systems, on/off control may be more applicable than modulating control.  ... 
doi:10.4324/9781315024714-10 fatcat:w4epumpwrzeqji2u6jpj4xfyqy

A pressing matter

Russell J Hemley
2006 Physics world  
As global CO 2 emissions grow, the urgency grows to produce energy from carbon-based sources more efficiently in the near term and to move to non-carbon-based energy sources, such as solar, hydrogen, or  ...  In 2007 China, a major consumer of coal, surpassed the United States in overall carbon dioxide emissions.  ...  Blast furnaces at 900-1300°C • Metal casting: temperatures of 350-750°C • Glass: furnace temperatures up to 1200°C • Mining (blade tips) Material failures lead to interruptions in process operations and  ... 
doi:10.1088/2058-7058/19/8/33 fatcat:jd3v37pgdvelxc4jjzrfiqi4cq

Steam power plants [chapter]

E. Khalil
2008 Thermal Engineering in Power Systems  
The energy availability and sustainability scenario is an area of growing interest and demand in many countries worldwide due to the greater desire to enhance standards of living, increase productivity  ...  Boiler furnace walls are subject to the major problems of fouling that result in deterioration of the performance and drastic reduction of the heat transfer characteristics.  ...  Control of combustion temperature has been the principal focus of combustion process control in boilers.  ... 
doi:10.2495/978-1-84564-062-0/04 fatcat:7pn6atmz7rbexatkyiwmlzhure

Review of numerical studies on thermal treatment of municipal solid waste in packed bed combustion

Quynh N. Hoang, Maarten Vanierschot, Julien Blondeau, Tom Croymans, Rudi Pittoors, Jo Van Caneghem
2021 Fuel Communications  
Due to advanced waste management schemes, the calorific value of the input waste is likely to decrease.  ...  However, the know-how obtained in these fields cannot be one on one transferred to MSW incineration because MSW is much more inhomogeneous in composition and thermophysical properties.  ...  Supplementary materials Supplementary material associated with this article can be found, in the online version, at doi: 10.1016/j.jfueco.2021.10 0 013 .  ... 
doi:10.1016/j.jfueco.2021.100013 fatcat:exc3f4me7rd2tpzewmhumip2pi

Real-time reconciled simulation as decision support tool for process operation

Anibal Galan, Cesar De Prada, Gloria Gutierrez, Daniel Sarabia, Rafael Gonzalez
2021 Journal of Process Control  
In terms of mitigation actions, these are assessed with regards to its economic impact on the system in question.  ...  It is highlighted the fact that RTRS complements in a straightforward manner other control operation tools such as model predictive controllers (MPC) and real-time optimizers (RTO).  ...  Acknowledgments Financial support is gratefully acknowledged from the Marie Curie Horizon 2020 EID-ITN project ''PROcess NeTwork Optimization for efficient and sustainable operation of Europe's process  ... 
doi:10.1016/j.jprocont.2021.02.003 fatcat:zt637gfbwndftfooubvag6oq7a

Submicron Fly Ash Penetration Through Electrostatic Precipitators at Two Coal Power Plants

Martin Mohr, S. Ylätalo, N. Klippel, E. I. Kauppinen, O. Riccius, H. Burtscher
1996 Aerosol Science and Technology  
Although the size range as such seems to appear independent of the coal, of the boiler or even of the device used for the emission control, the maximum penetration level on the number basis depends on  ...  The tag for the samples can be based on naturally occurring measures and/or added measures of authenticity in a suitable combination.  ...  Common to Papers I-III is the sampling system that was used to take out aerosol samples of small particles from the flue gas stack in a high temperature, to dilute the aerosol to the ambient temperature  ... 
doi:10.1080/02786829608965363 fatcat:druwdcqborh7pcwbcvjsv5llv4

AMPERE 2021 Proceedings [article]

Per Olof Hedekvist, Birgitta Raaholt
2021 Zenodo  
The authors of the book are the chairs of the conference, and have been the editors of the book.  ...  All presenters are also encouraged to upload their full paper indivdually to the Zenodo community, for easier search and access.  ...  ACKNOWLEDGEMENTS The authors would like to thank Mário Tulio for collaboration in construction of microwave hybrid sintering furnace.  ... 
doi:10.5281/zenodo.5644775 fatcat:bgrvslzxyrd6jnla4i327b5duq
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