Main Publications since 1992

Books

Salcedo, R., Non-linear Optimization Problems for computer application (in Portuguese), FEUP Edi��es, ISBN 972-752-049-9, 2001.

 

Books (as Editors)

Feyo de Azevedo, S., E.C. Ferreira, K, Luyben and P. Osseweijer, Proc. of ESBES-2, 2nd European Symposium on Biochemical Engineering Sciences, 16-19 September 1998, ISBN 972-752-028-6, Faculdade de Engenharia da Universidade do Porto, Porto, Portugal, 1998.
 

Publications in international refereed journals

Simoglou, A., P. Georgieva, E.B. Martin, J. Morris, S. Feyo de Azevedo (2005a), On-line Monitoring of a Sugar Crystallization Process, Special Issue of Computers and Chemical Engineering (accepted).

Mena, P.C., M.N. Pons, J.A. Teixeira and F.A. Rocha, Using image analysis in the study of multiphase gas absorption, In Press, Chemical Engineering Science.

Mena, P.C., M.N. Pons, J.A. Teixeira and F.A. Rocha, Using image analysis in the study of multiphase gas absorption, Chemical Engineering Science 60, pp. 5146 � 5152, 2005.

A. Ferreira, N. Faria, F. Rocha, S. Feyo de Azevedo and A. Lopes, Using Image Analysis to look into the effect of impurity concentration in NaCl crystallization, Tran. IChemE, Part A, 83 (A4), 331-338, 2005.

Salcedo, R.L.R., V. G. Chibante and I. S�ro, Laboratory, pilot and industrial-scale validation of numerically optimized reverse-flow gas cyclones, Trans. of the Filt. Soc. 4(3), 220-225, 2004.

Ferreira, E.C., R.L. Salcedo and R. Lima, Spreadsheets in Chemical Engineering Education � a tool in process design and process integration, Int. J. Eng. Education, 20(6)., 928-938, 2004.

Lima, R.M., G. Fran�ois, B. Srinivasan and R.L. Salcedo, Dynamic optimization of batch emulsion polymerization using MSIMPSA � a simulated annealing-based algoruthm, Ind. Eng. Chem. Res. 43(24), 7796-7806, 2004.

Andrasik, A., A. Meszaros, S. Feyo de Azevedo, On-line Tuning of a Neural PID Controller Based on Plant Hybrid Modelling, Computers Chem. Engng., 28 1499-1509, 2004 .

Oliveira, R., R. Simutis and S. Feyo de Azevedo, Design of a stable adaptive controller for driving aerobic fermentation processes near maximum oxygen transfer capacity, J. Process Control, 14 617-626, 2004.

Ruzicka, M.C., J. Draho , P. C. Mena and J. A. Teixeira, Effect of viscosity on homogeneous-heterogeneous flow regime transition in bubble columns, Chemical Engineering Journal, Volume 96, Issues 1-3, 15 December 2003, Pages 15- 22.

Ferreira A., C. Oliveira, F. Rocha, The initial phases in the precipitation of dicalcium phosphate dihydrate, Journal of Crystal Growth 252 (2003) 599.

Feyo de Azevedo, S., P. Georgieva and M.J. Gon�alves, Knowledge-based Hybrid Modelling of a Batch Crystallisation when Accounting for Nucleation, Growth and Agglomeration Phenomena, Chem. Eng. Sci., 58 (16) 3699-3713, 2003.

Faria, N., M.N. Pons, S. Feyo de Azevedo, F.A. Rocha and H. Vivier, Quantification of the Morphology of Sucrose Crystals by Image Analysis, Powder Technology J., 133, 54-67, 2003.

Georgieva, P., S. Feyo de Azevedo, M.J. Gon�alves, P. Ho, Modeling of Sugar Crystallization through Knowledge Integration, Eng. Life Sci., 3 No. 3 146-153, 2003 .

Salcedo, R.L. and M.J. Pinho, Pilot and Industrial-Scale Experimental Investigation of Numerically Optimized Cyclones, Ind. Eng. Chem. Res., 42, no.1, 145-154 (2003).

Georgieva, P. and S. Feyo de Azevedo, A Neural Network Based Approach for Measurement Dynamics Compensention, Applied Artificial Intelligence J., 16 423-442, 2002.

Oliveira, R., E.C. Ferreira and S. Feyo de Azevedo, Stability, Dynamics of Convergence and Tuning of Observer-based Kinetics Estimators, J. Process Control, 12, 311-323, 2002.

Salcedo, R.L., R. Lima and M.F. Cardoso, Global optimization of chemical processes using simulated annealing, Proceedings of the Indian National Science Academy, PINSA-A. (in press).

Cardoso, M.F., R.L. Salcedo, S. Feyo de Azevedo and D. Barbosa,  Letter to the editor, Comp. Chem. Eng., 141 (2002).

Georgieva, P. and S. Feyo de Azevedo, A Neural Network Based Approach for Measurement Dynamics Compensation, Applied Artificial Intelligence J., 16 423-442, 2002.

Oliveira, R., E.C. Ferreira and S. Feyo de Azevedo, Stability, Dynamics of Convergence and Tuning of Observer-based Kinetics Estimators, J. Process Control, 12 311-323, 2002.

Fonseca, A.M., J.M. �rf�o and R.L. Salcedo, Dry scrubbing of HCl with solid lime in a cyclone reactor at low temperatures, Ind. Eng. Chem. Res., 40, no.1, 304-313, 2001.

Ferreira, E.C. and R.L. Salcedo, Can spreadsheets solve demanding optimization problems?, Comp. Appl. in Eng. Education, 9, no.1, 49-56, 2001.

Ferreira, E.C. and R.L. Salcedo, A tool to optimize VOC removal during absorption and stripping, Chemical Engineering, 108, no.1, January, 94-98, 2001.

Peres, J. R., Oliveira and S. Feyo de Azevedo, Efficient Knowledge Integration methods for Improved Bioreactor Operation, Computers Chem. Engng, 25, 783-791, 2001

Salcedo, R.L.R. and M.G. C�ndido, Global optimization of reverse-flow gas-cyclones: application to small-scale cyclone design, Separation Sci. and Technology, 36(12), 2707-2731, 2001.

Lefreve, L., D. Dochain, S. Feyo de Azevedo and A. Magnus, Optimal selection of orthogonal polynomials applied to the integration of chemical reactor equations by collocation methods, Computers Chem Engng, 24, 2571-2588, 2000.

Cardoso, M., R.L. Salcedo, S. Feyo de Azevedo, D. Barbosa, Optimisation of Reactive Distillation Processes with Simulated Annealing, Chem. Eng. Sci, 55 5059-5078, 2000.

Maria, G., C. Maria, R. Salcedo and S. Feyo de Azevedo, Databank transfer-of-information, shortcut and exact estimators used in the wastewater biological treatment process identification, Computers Chem. Engng., 24, 1713-1718, 2000.

Perrier, M., S. Feyo de Azevedo, E.C. Ferreira and D. Dochain, Tuning of Observer-based Estimators: theory and application to the on-line estimation of kinetic parameters, Control Engineering Practice, 8 (4), 377-388, 2000.

Salcedo, R.  and M. Coelho, Turbulent Dispersion Coefficients in Cyclone Flow: an empirical approach, Can. J. Chem. Eng., 77(4), 609-617, August 1999.

Salcedo, R. and R. Lima, On the optimum choice of decision variables for equation-oriented global optimization, Ind. Eng. Chem. Res., 38 (12), 4742-4758, 1999.

Georgieva, P.  and S. Feyo de Azevedo, Robust Control Design of an Activated Sludge Process, Int. Journal of Robust and Non-linear Control, 9 (13) 949-967, November 1999.

Salcedo, R., M.C.M. Alvim Ferraz, C.A. Alves and F.G. Martins, Time-series analysis of air pollution data, Atmospheric Environment, 33(15), 2361-2372, 1999.

Fonseca, A.M., J.M. �rf�o e R.L. Salcedo, Kinetic modeling of the reaction of HCl with solid lime at low temperatures, Ind. Eng. Chem. Res., 37(12), 4570-4576, 1998.

Cardoso, M.F, .R.L. Salcedo, S. Feyo de Azevedo e D. Barbosa, A Simulated Annealing Approach to the Solution of MINLP Problems, Computers Chem. Engng., 21, no.12, pg.1349-1364, 1997.

Feyo de Azevedo S., B. Dham and  F. Oliveira, Hybrid Modelling of Biochemical Processes: a comparison with the conventional approach, Computers Chem. Engng, 21 Suppl., S751-S756, 1997.

Simutis R., R. Oliveira, M. Manikowski and  S. Feyo de Azevedo, A. L�bbert, How to Increase the Performance of Models for Process Optimization and Control, J. Biotechnology, 59, 73-89, 1997

Cardoso M. F., Romualdo L. Salcedo and Sebasti�o Feyo de Azevedo, The Simplex-Simulated Annealing Approach to Continuous Non-linear Optimization., Computers Chem. Engng., 20 (9) 1065-1080, 1996.

Oliveira R., E. Ferreira, F. Oliveira and S. Feyo de Azevedo, A Study on the Convergence of Observer-Based Kinetics Estimators in Stirred Tank Bioreactors, Journal of Process Control, 6 (6) 367-371, 1996.

Menezes, J.C., Sebasti�o S. Alves, Jo�o M. Lemos and Sebasti�o Feyo de Azevedo, Mathematical Modelling of Industrial Pilot-Plant Penicillin-G Fed-Batch
Fermentations, J. Chem Tech. Biotechnology, 61 123-138, 1994.

Cardoso, M.M., R.L. Salcedo, S. Feyo de Azevedo, Nonequilibrium Simulated Annealing: A Faster Approach to Combinatorial Minimization, Ind. Eng. Chem. Res., 33 (8) 1908-1918, 1994.

Feyo de Azevedo, S., J. Chor�o, M. J. Gon�alves and L. Bento, On-line Monitoring of White Sugar Crystallization through Software Sensors, Part II - Int. Sugar JNL., 96 18-26, 1994.

Feyo de Azevedo, S., J. Chor�o, M.J. Gon�alves, L. Bento, On Line Monitoring of White Sugar Crystallization - Part I, Int. Sugar Journal, 95 483-488, 1993.

Pimenta, P. and S. Feyo de Azevedo, Real-time Dynamic Simulation of Non-linear MIMO Systems, Computers Chem. Engng., 17S 343-348, 1993.

Pimenta, P. and S. Feyo de Azevedo, Simulation of Multiple Effect Evaporators, Computers Chem. Engng. 17S 153-158, 1993.

Salcedo, R., Collection Efficiencies and Particle Size Distributions from Sampling Cyclones - Comparison of Recent Theories with Experimental Data, Can. J. Chem. Eng., 1 20-27, 1993.

Feyo de Azevedo, S., F. Oliveira and A. C. Cardoso, TEACON - A Simulator for Computer Aided Teaching of Process Control, J. Computer Appl. Engineering Educ.- CAE, 1 (4) 307-319, 1993.

Teixeira, J.A., Maria L. Sousa, Sebasti�o Feyo de Azevedo and Manuel Mota, Monitoring and Control of a Fed-Batch Fermentation, Chemical Engineering Education, 26 (2) 94-97, 1992.

Menezes, J.C., S. S. Alves, J. M. Lemos and S. Feyo de Azevedo, Sugar Analysis of Industrial Penicillin Fermentation Broths Containing Complex Nutrient Sources, Biotechnology Techniques, 6 (1) 1-4, 1992.

Salcedo, R.L., Solving Non-Convex NLP and MINLP Problems with Adaptive Random-Search, Ind. Eng. Chem. Res., 31 (1) 262-273, 1992.

Salcedo, R.L., Comments on a MINLP Process Synthetizer, Ind. Eng. Chem. Res., 31 2804-2805, 1992.

 

Book Chapters

Lima, R. and Salcedo, R.L., An optimized strategy for equation-oriented global optimization, European Symp. on Comp. Aided Chem. Eng, vol.10, J. Grievink e J.V. Schijndel (eds), Elsevier Science B.V., 913-918, ISBN 0-444-51109-1, 2002.

Georgieva, P., R. Oliveira and S. Feyo de Azevedo, Instrumentation and Process Control � Process Control, in �Encyclopedia of Dairy Sciences�, Eds. H. Roginski, J.W. Fuquay, P.F. Fox, p. 1401-1410, Academic Press UK, 2002.

Georgieva, P., R. Oliveira and S. Feyo de Azevedo, Instrumentation and Prorcess Control � Instrumentation, in �Encyclopedia of Dairy Sciences�, Eds. H. Roginski, J.W. Fuquay, P.F. Fox, p. 1392-1401, Academic Press UK, 2002.

Feyo de Azevedo S., R. Oliveira and B. Sonnleitner, New Methodologies for Multiphase Bioreactors 3: Data Acquisition, Modelling and Control, in 'Multiphase Bioreactor Design', Eds. J.M. Cabral, M. Mota and J. Tramper, Chapter 3, p. 53-83, Taylor&Francis Pub., N.Y., 2001.

Feyo de Azevedo, S., P. C. Pimenta and F. R. Oliveira, Computer Based Studies on Bioprocess Engineering, I - Tools for Process Analysis, in ‘Computer and Information Science Applications in Bioprocess Engineering’ , Eds A. R. Moreira, K. Wallace, NATO-ASI Series E , Applied Sciences, Vol. 305, p. 3-26, Kluwer Academic Pub., Dordrecht, 1996.

Feyo de Azevedo, S., P. C. Pimenta, F. R. Oliveira and  E. C. Ferreira, Computer Based Studies on Bioprocess Engineering, II - Tools for Process Operation, Ibid, , in ‘Computer and Information Science Applications in Bioprocess Engineering’ , Eds A. R. Moreira, K. Wallace, NATO-ASI Series E , Applied Sciences, Vol. 305, p. 27-50, Kluwer Academic Pub., Dordrecht, 1996.

Salcedo, R.  and A.M. Fonseca, Grade-Efficiencies from Sampling Cyclones, in Mixed-Flow Hydrodynamics-Advances in Engineering Fluid Mechanics Series, Ch. 23, 539-561, N.P. Cheremisinoff (Editor), Gulf Publishing Co., 1996.

Salcedo, R. and D.C. Dias, A Sequential Approach to Time Series Analysis, in Computer Techniques in Environmental Studies IV, Ed. P. Zannetti, CMP/Elsevier Applied Science, 295-312, 1992.
 

 

Publications in National Journals

Feyo de Azevedo, S., A Engenharia Qu�mica para Al�m da Ci�ncia � perspectivas de futuro (Chemical Engineering beyond Science � perspectives of future), Ingenium 2� s�rie, 57 79-82 (Abril) 2001.

Salcedo, R.L. and Pinho, M.J., Ciclones de muito elevada efici�ncia: da concep��o � implementa��o industrial, Ingenium, 2� s�rie, n� 69, Setembro, 79-82 (2002).

Salcedo, R.L. and de Sousa Mendes, M., Captura de poeiras finas com ciclones optimizados: estudo de dois casos industriais, Industria e Ambiente, n� 30, 2� trimestre, 18-22, 2003.

 

Conference papers with refereeing

Simoglou, A., P. Georgieva, E.B. Martin, J. Morris, S. Feyo de Azevedo (2005b), A time varying state space approach for sugar crystallization process modelling and monitoring, 16th IFAC World Congress, 4-8 July 2005, Praha Czech Republic.

Martins, P., F. Rocha and P. Rein, Vacuum Pan Monitoring by Mass Balance and Image Analysis Methods, Sugar Industry Technologists, SIT, Dubai, #888, 2005.

Oliveira R., and R. Salcedo, Benchmark testing of simulated annealing, adaptive random search and genetic algorithms for the global optimization of bioprocesses, 7th International Conference on Adaptive and Natural Computing Algorithms, Coimbra, Portugal, March 2005.

Salcedo, R.L.R., A.M. Fonseca, V.G. Chibante and G. C�ndido, Fine Particle Capture in Biomass Boilers with recirculating Gas Cyclones: theory and practice, 6th Gas Cleaning at High Temperatures, Outubro 20-22, 2005, Osaka, Japan.

Galvanauskas, V., P. Georgieva and S. Feyo de Azevedo, Model �based Optimization of Industrial Fed-Batch Sugar Crystallisation Process, Proc. of Symp. on Knowledge Driven Batch Processes, Ed. C. Kyparissides, Poros, Greece, pp. 119-129, June 6-9, 2004.

Bonn�, D., S.B. Jorgensen, S. Feyo de Azevedo, Data Driven Modelling of Sugar Crystallization for Control, Proc. of Symp. on Knowledge Driven Batch Processes, Ed. C. Kyparissides, Poros, Greece, pp. 139-144, June 6-9, 2004.

Ho, P., P. Georgieva and S. Feyo de Azevedo, Identification of Location Effects in unreplicated Factorial Simulation Experiments of a Batch Crystallization Process, Proc. of Symp. on Knowledge Driven Batch Processes, Ed. C. Kyparissides, Poros, Greece, pp. 281-288, June 6-9, 2004.

Georgieva, P. and S. Feyo de Azevedo, Knowledge-based Process Control of a BatchPro Sugar Crystallization Case Study, Proc. of Symp. on Knowledge Driven Batch Processes, Ed. C. Kyparissides, Poros, pp. 315-322, Greece, June 6-9, 2004.

Martins, F. and S. Feyo de Azevedo, The Interactivity in the New Engineering Education Tools, in Proc. of ESCAPE-14 - European Symposium on Computer Aided Process Engineering, Eds. A.P. Barbosa-Povoas and H. Matos, Special Session on CAPE Education, CDROM paper (5 pgs.), Lisbon, Portugal, 17-19 May, 2004.

Peres, J., Oliveira, R., Serafim, L. S., Lemos, P., Reis, M. A. & Feyo de Azevedo, S. (2004), Hybrid modelling of a PHA production process using modular neural networks, Proc. of ESCAPE-14 - European Symposium on Computer Aided Process Engineering, Eds. A.P. Barbosa-Povoas and H. Matos, p. 733-738, Lisbon, Portugal, 17-19 May, 2004.

Simoglou, A�P. Georgieva, E.B. Martin, A.J. Morris S. & Feyo de Azevedo, On-line Multivariate Statistical Monitoring of a Fed-batch Sugar Crystallisation Process, Proc. of ESCAPE-14 - European Symposium on Computer Aided Process Engineering, Eds. A.P. Barbosa-Povoas and H. Matos, p. 817-822, Lisbon, Portugal, 17-19 May, 2004.

Peres, J., R. Oliveira and S. Feyo de Azevedo, Hybrid modelling of fermentation processes: A study on the use of modular neural networks for modelling cells reaction kinetics, in Proc. of CAB9: 9th Symposium on Computer Application in Biotechnology, Eds. M.N. Pons and J. Van Impe, CD-ROM paper 86 (6 pgs.) Nancy, France 28-31 March 2004.

Oliveira, R., J. Peres, and S. Feyo de Azevedo, S., Hybrid modelling of fermentation processes using artificial neural networks: A study on identification and stability, in Proc. of CAB9: 9th Symposium on Computer Application in Biotechnology, Eds. M.N. Pons and J. Van Impe, CD-ROM paper 94 (6 pgs.) Nancy, France, (oral presentation) 28-31 March 2004.

Martins, P. M. and F. Rocha, Effect of impurities on the crystal growth from solutions � A new kinetic model, XV COBEQ, Curitiba, 2004.

Mena, P. C., F. A. Rocha; J. A. Teixeira and M. N. Pons, Effect of solids on mass transfer in multiphase systems, XV COBEQ, Curitiba, 2004.

Ferreira, A., N. Faria, F. Rocha, S. Feyo de Azevedo and A. Lopes, Aplica��o da an�lise de imagem no estudo da influ�ncia do MgCl2 na morfologia dos cristais de NaCl, XV COBEQ, Curitiba, 2004.

Mena, P. C., F. A. Rocha, J. A. Teixeira, J. Drahos and M. C. Ruzicka, Effect of solids on flow regime transition in three-phase bubble columns, CHISA 2004, Praga, P5.211, 2004.

Rocha, F., S. Feyo de Azevedo, N. Faria and M. N. Pons, Modelling sugar crystallization including morphology quantification, Sugar Industry Technologists, SIT, Vancouver, #867, 2004.

Martins, P., E. Zettergren and F. Rocha, Crystal Growth of Sucrose � Influence of Hydrodynamics, 4th European Congress of Chemical Engineering, Granada, P-8.5-017, 2003.

Mena, P., Rocha, F. and Teixeira, J Effect of solids on gas-liquid mass transfer in three phase systems, 4th European Congress of Chemical Engineering, Granada, P-5.2-007, 2003.

Georgieva, P., J. Peres, R. Oliveira and S. Feyo de Azevedo, Process modelling through knowledge integration - competitive and complementary modular principles, Workshop on Modelling and Simulation in Chemical Engineering, Coimbra, Portugal, 30 June - 4 July, 2003.

Andr�sik, A., A. M�sz�ros and S. Feyo de Azevedo, Hybrid Modeling Based Adaptive Neural Controller, Proc. of 11th Mediterranean Conference on Control and Automation, Rodos, Rhodes, Greece CD-ROM paper T3-030 (6 p.), 17-20 June, 2003.

Baruch, I.S., P. Georgieva, Jenaro P�rez and S. Feyo de Azevedo, Adaptive neural control of activated sludge processes, Proc. of X Latin-American Congress of Automatic Control, AMCA/IFAC, Guadalajara, Mexico, CD-Rom article 20 (6 p.), 3-6 December 2002. 

Feyo de Azevedo, S., F. Rocha, N. Faria and M.N. Pons, Using Image Analysis to Look into the Effect of Operating Conditions in Sugar Crystallisation, Ed. A. Chianese Chemical Engineering Transactions, 15th Int. Symp. On Industrial Crystallisation, Sept. 15-18, 2002, p.1377-1382, 2002. 

Georgieva, P., S. Feyo de Azevedo and M.J. Gon�alves, Knowledge-based Hybrid Model of a Batch Evaporative Crystallization Process , Ed. A. Chianese Chemical Engineering Transactions, 15th Int. Symp. On Industrial Crystallisation, Sept. 15-18, 2002, p.1161-1166, 2002.

Georgieva, P. and S. Feyo de Azevedo, n, Proc. of Controlo'2002, p. 295-300, Aveiro, Portugal, September 5-7, 2002 44 - Perez Martin, A. and S. Feyo de Azevedo, Model-based control system for flow control, Proc. of Controlo'2002, p. 13-18, Aveiro, Portugal, September 5-7, 2002.

P. Mena, F. Rocha, J. Teixeira, M. N. Pons, Effect of solids on gas-liquid mass transfer in three phase systems, 4th European Congress of Chemical Engineering, 21-25 September 2003, Granada, Spain.

Ruzicka, M. C., J. Drahos, P. C. Mena, J. A. Teixeira, N. H. Thomas, Can viscosity stabilize uniform bubble bed?, 5th Euromech Fluid Mechanics Conference, 24-28 August 2003, Toulouse, France.

Salcedo, R.L.R., Chibante, V. G. and S�ro, I., Laboratory, pilot and industrial-scale validation of numerically optimized reverse-flow gas cyclones, Filtech Europa 2003, Dusseldorf, 22 October, 2003.

Feyo de Azevedo, S., F. Rocha, N. Faria and M.N. Pons, Using Image Analysis to Look into the Effect of Operating Conditions in Sugar Crystallisation, Ed. A. Chianese Chemical Engineering Transactions, 15th Int. Symp. On Industrial Crystallisation, Sept. 15-18, 2002, p.1377-1382, 2002.�

P. Georgieva, S. Feyo de Azevedo and M.J. Gon�alves, Knowledge-based Hybrid Model of a Batch Evaporative Crystallization Process, Ed. A. Chianese Chemical Engineering Transactions, 15th Int. Symp. On Industrial Crystallisation, Sept. 15-18, 2002, p.1161-1166, 2002.

S. Feyo de Azevedo, Which Education of Chemical Engineers in 2020?, Invited Plenary Lecture in CHEMPOR�01 � 8th Int. Chem. Engng. Conference, p.107-120, Aveiro, Portugal, 12-14 September 2001.

S. Feyo de Azevedo, A Engenharia Qu�mica para Al�m da Ci�ncia � perspectivas de futuro (Chemical Engineering beyond Science � perspectives of future), Ingenium 2� s�rie, 57 79-82 (Abril) 2001.

J. Peres, R. Oliveira and S. Feyo de Azevedo, Knowledge Based Modular Networks for Process Modelling and Control, Computers Chem. Engng, 25, 783-791, 2001.

Maria, G., C. Maria, R. Salcedo and S. Feyo de Azevedo, Optimal Monitoring and Risk Limits for a Wastewater Biological Treatment Serial Plant, Proc. of ECC�01-European Control Conference 2001, CD-ROM, paper FR-A07_6 (6 pages), 4-7 September , Porto, Portugal, 2001.

Pons, M. N., E. Camarasa, H. Vivier, N. Faria, F. Rocha, S. Feyo de Azevedo, Using Image Analysis in the Study of Sugar Crystallization, Proc. of the 60th Annual Meeting of the Sugar Industry Technologists Inc., p. 143-158, Taipei, Taiwan, Vol. LX, SIT Inc. Publ. New York, 2001.

Georgieva, P. and S. Feyo de Azevedo, A Neural Network for Output Recovering in a closed Loop System, Proc. of Int. Conference Automatics and Informatics, p. A-25 � A-28, 31 May-2 June, Sofia, Bulgaria, 2001 .

Lima, R. e R. Salcedo, A paradigm for equation-oriented global optimization, � 8th Int. Chem. Engng. Conference (Eds. J.J. Cruz-Pinto et al.), p. 849-856, Aveiro, Portugal, 12-14 September 2001.

Oliveira, R., J. Peres, S. Feyo de Azevedo, Methods of Knowledge Engineering for Batch Process Operation, Proc. of ECCE�3 � Third European Conference of Chemical Engineering, CD-ROM paper 539 (6 p.), 23-26 June, Nuremberg, 2001.

Georgieva, P. and S. Feyo de Azevedo, Measurement Dynamics Compensation Using Neural Network Inverse Modelling, Proc. of Controlo'2000, paper L03-CDROM, p.318-323, Guimar�es, Portugal, October 4-6, 2000.

Oliveira, R., J. Peres, S. Feyo de Azevedo, Efficient Knowledge Integration methods for Improved Bioreactor Operation, Proc. of Controlo'2000 (Eds. C. Couto et al.), paper H02-CDROM, p.214-219, Guimar�es, Portugal, October 4-6, 2000.

Sbarbaro, D., P. Ascensio and S. Feyo de Azevedo, An Enhanced Model for Parameter Estimation in Bioprocesses, Proc. of the UKACC International Conference on Control 2000 (CD-ROM), Cambridge, UK, 4-7 September, 2000.

Peres, J., R. Oliveira, R. and S. Feyo de Azevedo,  Knowledge Based Modular Networks for Process Modelling and Control, Proc. of European Symposium on Computer Aided Process Engineering, p. 247-252, , Florence, Italy, 7-10 May, 2000.

Feyo de Azevedo, S. Issues in Computer-aided Process Operation: Application to Chemical and Biochemical Processes, Opening Plenary Lecture, Jornadas de Autom�tica, p.9-16, Salamanca, Espanha, 27-29 September, 1999.

Feyo de Azevedo, S., Model Based Methodologies for the Analysis and Operation of Industrial Processes (in Portuguese), in Proc. of CLME’99 - 1� Portuguese-Mozambican Congress of Engineering, (Eds. J. Silva Gomes, A. Matos e C. Afonso), p. D-1 a D-7, Maputo, Mo�ambique, 14-16 September, 1999.

Pons, M.N.,  H. Vivier, N. Faria, F. Rocha and S. Feyo de Azevedo, Effect of Operation Conditios on Shape in Sugar Crystallisation, Proc. of 14^th Int. Symp. On Industrial Crystallisation, p. 1-9 (CD-ROM), Cambridge, UK, 12-16 September, 1999.

Feyo de Azevedo, S., Issues on Computer-aided Process Operation: Application to Chemical and Biochemical Processes, Invited communication, in Proc. of CHEMPOR'98-7th Int. Chem. Engng. Conf. (Eds. F. Ramoa Ribeiro and S. Alves), p. 51-58, Lisbon, Portugal, 26-28 September, 1998.

Pimenta P. and S. Feyo de Azevedo, A Case-study on the Control of Multiple-effect Evaporators, in Proc. of CONTROLO'98 -3rd Portuguese Conf. On Automatic Control (Eds. A. Dourado et al.), p. 565-570, Coimbra, Portugal, 9-11 September, 1998.

Pons M.N., E. Camarasa, H. Vivier, N. Faria, F. Rocha, S. Feyo de Azevedo, Shape Characterization of Sugar Crystals, Proc. of World Congress on Particle Technology, paper 33, p. 33.1-33.8, Brighton, UK, 6-9 July, 1998.

Oliveira R., R. Simutis, S. Feyo de Azevedo, A. Lubbert, Hybnet, an Advanced Tool for Process Optimization and Control, Proc. of CAB7 - Computer Applications in Biotechnology ( Eds. T. Yoshida and S. Shioya), p. 315-320, Osaka, Japan, May 31-June 4.

Chor�o J., S. Feyo de Azevedo, A Discretized Population Balance Approach for the Modelling of Industrial Sucrose Crystallisation, Proc. of 13th Symp. on Industrial Crystallisation, p. 719-725, Toulouse, France, 16-19 September, 1996.

Ferreira E. C. and S. Feyo de Azevedo, Adaptive Linearising Control of Bioreactors, Proc of CONTROL’96 - UKACC Int. Conf. on Control, Pub. no. 427 IEE p. 1184-1189, Exeter, U.K., 2-5 September, 1996.

Feyo de Azevedo S., Methods for State and Parameter Estimation with Application to Chemical and Biochemical Processes, Invited Plenary Lecture to CHISA’96 - 12th Int. Cong. of Chemical and Process Engineering, Ref. 1150, Prague, Czech Republic, 25-30 August, 1996.

Oliveira, R., E. C. Ferreira and S. Feyo de Azevedo, Model-based estimation of reaction rates in stirred tank bioreactor, 6th Int.Conference in Computer Application in Biotecnology-Bac 6, p. 272-277, Garmisch-Partenkirchen, Germany, May, 1995.

Menezes, J.C., S. Alves, J. M. Lemos and S. Feyo de Azevedo, Computer-Aided Fermentation Modelling and Data Analysis. PROMETEUS an ExcelTM Application, PSE’94, 5th Symp. on Process Systems Engineering, Ed. En Sup Yoon, Korean Institute of Chemical Engineers, Kyongju, Korea, p. 649-653, 30 May - 3 June, 1994.

Oliveira, R.,  E. Ferreira, F. Oliveira and S. Feyo de Azevedo, A Study on the Convergence of Observer-Based Kinetics Estimators in Stirred Tank Bioreactors, PSE’94, 5th Symp.on Process Systems Engineering, Ed. En Sup Yoon, Korean Institute of Chemical Engineers, Kyongju, Korea, p. 683-687, 30 May - 3 June, 1994.

Feyo de Azevedo, S. and J. Chor�o, Process Monitoring and Learning Through Software Sensors, PSE’94, 5th Symp.on Process Systems Engineering, p. 593-597, Ed. En Sup Yoon, Korean Institute of Chemical Engineers, Kyongju, Korea, 30 May - 3 June, 1994.

Feyo de Azevedo, S., Computer-Aided Process Operation - The Technology, the Theory and the Human Factor, Symposium on Automated Process Monitoring and Centralized Control, 53rd Annual Meeting of the Sugar Industry Technologists, Inc., p. 119-131, Honululu, Hawaii, 8- 11 May, 1994.

Menezes, J.C., S. S. Alves, J. M. Lemos and S. Feyo de Azevedo, Modelling Industrial Pilot Plant Penicillin G Fermentations, In V. Bales (Ed.) Modelling for Improved Bioreactor Performance, p. 25-30, Mal� Centrum Publ., Papier nicka, Bratislava, Slovakia, 27-28 September, 1993 .

Cardoso, M., R. Salcedo and S. Feyo de Azevedo, A Fast Simulated Annealing Algorithm for Combinatorial Minimization, Proc. of CHEMPOR‘93 - International Chemical Engineering Conference, p.373-380, Porto, 4-6 April, 1993.

Feyo de Azevedo, S., J. M. Chor�o and M. J. Gon�alves, Experimental Analysis of the Operation of an Industrial Batch Evaporative Crystallizer, Proc. of CHEMPOR ‘93 - International Chemical Engineering Conference, p. 365-372, Porto, Portugal, 4-6 April, 1993.

Feyo de Azevedo, S. et al, Computer-Aided Teaching of Process Engineering, Proc. of CHEMPOR ‘93 - International Chemical Engineering Conference, p. 697-716, Porto, 4-6 April, 1993.

Romero Ogawa, M., M., A. P. Wardle and S. Feyo de Azevedo, On the Use of Finite Elements in Estimating Parameters for Fixed-bed Reactor Models, 11th IASTED Int. Conference on Modelling, Identification and Control, p. 435-437, Innsbruck, Austria, 15-17 February, 1993.

Feyo de Azevedo, A. P. Wardle, A Model-based Approach to the Optimization of a Tubular Fixed-bed Catalytic Reactor (TFBCR), 11th IASTED Int. Conference on Modelling, Identification and Control, p.420-423, Innsbruck, Austria, 15-17 February, 1993 .

Salcedo, R., M. Cardoso and S. Feyo de Azevedo, A Fast Simulated Annealing Algorithm for Combinatorial Minimization, ESCAPE-3, Supl. Vol., F. Moser, H. Schnitzer e H.J. Bart, Eds., p. 12-17, 1993.

 

Other Publications

Chibante, V.G., A.M. Fonseca and R.L. Salcedo, Estudos preliminares da aplica��o de ciclones de recircula��o � lavagem de gases �cidos, 8� Confer�ncia Nacional de Ambiente, Lisboa, Outubro (2004).

Ho, P., P. Georgieva, S. Feyo de Azevedo, Fine Tuning a Knowledge-Based Hybrid Sugar Crystalization Simulation Model by Application of Experimental Design. I. Analysis of Variance and Graphical Analysis Using Trellis Display, International Conference on Trends in Monitoring and Control of Life Science Applications, Lyngby, Denmark, 7-8 October, 2002.

Oliveira, R., J. Peres and S. Feyo de Azevedo, A Simple Structured Model for Recombinant Protein Production with Escherichia coli, 3rd European Symp. on Biochemical Engineering Science, Abs. Book, Copenhagen, Denmark, 10-13 September, 2000 (poster presentation)

Salcedo, R.L.R. and J.A.G. Campos, High Efficience Cyclones: Numerical Design (in Portuguese), 6� Confer�ncia Nacional sobre a Qualidade do Ambiente, Lisboa, 20-22 October, 1999.

Feyo de Azevedo, S., Model Based Methodologies for the Analysis and Operation of Industrial Processes (in Portuguese), in Proc. of CLME�99 - 1st Portuguese-Mozambican Congress of Engineering, (Eds. J. Silva Gomes, A. Matos and C. Afonso), Vol II, p. D-1 a D-7, Maputo, Mo�ambique, 14-16 September, 1999.

Salcedo, R.L.R. and J.A.G. Campos, Optimization for Pollution Reduction: a Numerical Approach to Cyclone (in Portuguese), Proc. of CLME�99 - 1st Portuguese-Mozambican Congress of Engineering, (Eds. J. Silva Gomes, A. Matos and C. Afonso), Vol II, p. D25-D34, Maputo, 14-16 September, 1999.

Oliveira R., S. Feyo de Azevedo, R. Simutis and A. L�bbert, Advantages of Hybrid Networks for Bioprocess Hybrid Modelling, 2nd European Symp. on Biochemical Engineering Science, Abs. Book p. 273, Porto, Portugal, September 16-19, 1998.

Rodrigues C.P. and F. Rocha, Influence of fluoride ions on the size and morphology of the calcium hydrogen phosphate crystals, CHEMPOR’98, pg.1381-1388, Lisboa, 1998.

Salcedo R., Controlo das Emiss�es : tecnologias de fim de linha, em Cadernos de Ambiente (Ar), AIP, 24-26, 1998.

Alvim Ferraz M.C.M., R.L.R. Salcedo and C.A. Alves, Time series analysis of pollutant concentrations in Oporto area, Environment and interaction, Proceedings of the International Symposium and Workshop, Ed. M. Neves and A. Neves, Porto, November 1-11, 1996.

Feyo de Azevedo, S. F. R. Oliveira and B. Dahm, Modelling of Baker�s Yeast Fermentation: Conventional modelling and artificial neural network approaches, 1st European Symp. on Biochemical Engineering Science, Abs. Book p. 85 , Dublin, September 19-21, 1996.

Oliveira R., R. Simutis, S. Feyo de Azevedo and A. L�bbert, Hybnet, A New Tool for Advanced Process Modelling, 1st European Symp. on Biochemical Engineering Science, Abs. Book p.182, Dublin, September 19-21, 1996.

Feyo de Azevedo, S., Instrumentation and Control - Syllabus and methods for teaching of practice and theory (in Portuguese) Report for habilitation exam, Department of Chemical Engineering, Faculty of Engineering, University of Porto, June, 1996.

Feyo de Azevedo, S., Model-based Methods for the Analysis and Operation of Industrial Processes (in Portuguese), Extended abstract of lesson delivered in the habilitation exam, Department of Chemical Engineering, Faculty of Engineering, University of Porto, June, 1996

Lefevre L., D. Dochain and S. Feyo de Azevedo, Some Properties of the Orthogonal Collocation Method used for Approximating Distributed Parameter Process Models, 15th Benelux Meeting on Systems and Control, Abs. Book p. 130, Mierlo, The Netherlands, March 6-8, 1996.

Fonseca A.M and R. Salcedo, Cin�tica da convers�o de HCl por Ca(OH)2 : aplica��o � lavagem de gases �cidos, 5� Congresso Nacional sobre a Qualidade do Ambiente, vol 1, 1069-1080, 1996.

Salcedo R.,  Simula��o de ciclones : recentes avan�os e compara��o com resultados experimentais, 5� Congresso Nacional sobre a Qualidade do Ambiente, vol 1, 783-794, 1996.

Cardoso, M.F., R. L. Salcedo and S. Feyo de Azevedo, Solving Mixed-Integer Non-linear Programming (MINLP) Problems with the M-SIMPSA Algorithm, Int. Conf. Optimization 95, Braga, Portugal, 17-19 July, 1995.

Feyo de Azevedo, S., J. C. Menezes, S. Alves, Computer-Based Studies on the Modelling of Filamentous Fungi Fermentations - Tools for Process Analysis and Operation, Int. Conf. on Modelling of Filamentous Fungi, EFB - Working Party on Bioreactor Performance, Otocec, Slovenia, 15-16 September, 1994.

Feyo de Azevedo, S., Computer Aided Teaching of Process Engineering, Forum on Education in Process Systems Engineering, PSE’94, 5th Symp.on Process Systems Engineering, Kyongju, Korea, 30 May-3 June, 1994.

Ferreira, E., F. Oliveira, P. Pimenta and S. Feyo de Azevedo, Model-Based Identification and Control on Baker’s Yeast Fed-batch Fermentation, 6th European Cong. on Biotechnology, Abs. Book II - TU022, Floren�a, 13-17 June, 1993 .

Feyo de Azevedo, S. and A. P. Wardle, A Model-based Approach to the Optimization of a Tubular Fixed-bed Catalytic Reactor (TFBCR), 11th IASTED Int. Conference on Modelling, Identification and Control, Innsbruck, Austria, p.420-423, 15-17 February, 1993.

Romero Ogawa, M., A. P. Wardle and S. Feyo de Azevedo, On the Use of Finite Elements in Estimating Parameters for Fixed-bed Reactor Models, Ibid, p. 435-437.

Feyo de Azevedo, S., P. Pimenta, E. C. Ferreira and F. Oliveira, Studies on On-line State and Parameter Estimation through a Real-time Process Simulator, IFAC Symp. Series, n.10, p. 453-458, Eds. G. Stephanopoulos, N. Karim, Pergamon Press, 1992.