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PUBLICATIONS

PAPER PUBLICATIONS:

 

Book chapter

2004

  • H Juahir, S M Zain, Z Ahmad and N Jaafar (2004). An application of second order neural network back propagation method in modeling river discharge at Sungai Langat, Malaysia. Water Environmental Planning : Towards an  integrated planning and management of water resources for environmental risks (A Abdullah, N Okada and M K Yusoff ed.), First Edition. Bureau of Consultancy and Entrepreneurship, Malaysia: International Islamic University

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Journal/Journal Proceedings

2017

  1. Z. Ahmad, N. A. Rahim, Alireza Bahadori & Jie Zhang (2017): Improving Water Quality Index Prediction in Perak River Basin Malaysia through the Combination of Multiple Neural Networks, International Journal of River Basin Management 15 (1) , pp: 79-87, DOI: 10.1080/15715124.2016.1256297IAHR.

  2. Sim Siong Leong, Zainal Ahmad, Juan Camacho, Jordi Faraudo and JitKang Lim ( 2017) Kinetics of Low Field Gradient Magnetophoresis in the Presence of Magnetically Induced Convection, The Journal of Physical Chemistry C, In press.

  3. Z. Ahmad, N. A. Rahim, Alireza Bahadori & Jie Zhang (2017). AIR POLLUTION INDEX PREDICTION USING MULTIPLE NEURAL NETWORKS, IIUM Journal of Engineering, Accepted in press.

  4. Ahmad Z., Bahadori A., Zhang J., 2017, Prediction of combustion efficiency using multiple neural networks, Chemical Engineering Transactions, 56, 85-90 DOI:10.3303/CET1756015.

  5. Rahim N.A., Ahmad Z., 2017, Graphical user interface application in MatlabTM environment for water and air quality process monitoring, Chemical Engineering Transactions, 56, 97-102 DOI:10.3303/CET1756017

 

 

2016

 

  1. Zainal Ahmad, Jie Zhang, Tomoaki Kashiwao, Alireza Bahadori. 2016. Prediction of absorption and stripping factors in natural gas processing industries using feedforward artificial neural network, Petroleum Science and Technology 34(2):105-113 .

  2. Z. Ahmad, Dipesh S. Patle, G.P.Rangaiah. 2016. Operator training simulator for biodiesel synthesis from waste cooking oil, Process Safety and Environmental Protection, 99:55-68.

  3. Alireza Bahadori, Alireza Baghban, Meysam Bahadori, Moonyong Lee,  Zainal Ahmad, Mehrasa Zare, Ehsan Abdollahi. 2016. Computational intelligent strategies to predict energy conservation benefits in excess air controlled gas-fired systems, Applied Thermal Engineering 102 , 432–446.

  4. Javad Sayyad Amin, Alireza Bahadori, Tomoaki Kashiwao, Zainal Ahmad, Behrooz Abbasi Souraki & Saeed Rafiee. 2016. A new empirical correlation for prediction of carbon dioxide separation from different gas mixtures, Petroleum Science and Technology,34(6): 562-569.

  5. Alireza Baghban, Tomoaki Kashiwao, Meysam Bahadori, Zainal Ahmad & Alireza Bahadori.2016. Estimation of natural gases water content using adaptive neuro-fuzzy inference system, Petroleum Science and Technology,34(10), 891-897.

  6. Alireza Baghban, Meysam Bahadori, Zainal Ahmad, Tomoaki Kashiwao & Alireza Bahadori .2016. Modeling of true vapor pressure of petroleum products using ANFIS algorithm, Petroleum Science and Technology, 34(10), 933-939.

  7. Mohammad-Ali Ahmadi, Zainal Ahmad, Le Thi Kim Phung, Tomoaki Kashiwao & Alireza Bahadori .2016. Experimental investigation the effect of nanoparticles on micellization behavior of a surfactant: Application to EOR, Petroleum Science and Technology, 34:11-12, 1055-1061, DOI: 10.1080/10916466.2016.1148051.

  8. Mohammad-Ali Ahmadi, Zainal Ahmad, Le Thi Kim Phung, Tomoaki Kashiwao & Alireza Bahadori .2016. Evaluation of the ability of the hydrophobic nanoparticles of SiO2 in the EOR process through carbonate rock samples, Petroleum Science and Technology, 34:11-12, 1048-1054, DOI: 10.1080/10916466.2016.1148052.

  9. Alireza Baghban, Peyman Abbasi, Peyman Rostami, Meysam Bahadori, Zainal Ahmad, Tomoaki Kashiwao & Alireza Bahadori (2016) Estimation of oil and gas properties in petroleum production and processing operations using rigorous model, Petroleum Science and Technology, 34:13, 1129-1136, DOI: 10.1080/10916466.2016.1183028.

  10. Mohammad-Ali Ahmadi, Zainal Ahmad, Le Thi Kim Phung, Tomoaki Kashiwao & Alireza Bahadori (2016) Estimation of water content of natural gases using particle swarm optimization method, Petroleum Science and Technology, 34:7, 595-600, DOI: 10.1080/10916466.2016.1153655.

  11. Lim Shao Keong, Dipesh Patle, Z Ahmad, S R Abdul Syukor. 2015. Biodiesel Production using Heterogeneous Catalyst in CSTR: Sensitivity Analysis and Optimization, IOP Conference Series: Materials Science and Engineering 121 (1), article 012007.

 

 

2015

 

  1. Dipesh Shikchand Patle, Phung Eng Wei and Zainal Ahmad. 2015. Simulation and Economic Analysis of Biodiesel Production using Supercritical Methanol, Journal of Engineering Sciences, Vol. 11, 17–26.

  2. Nur’atiqah Norhalim, Mashitah Mat Don, Z. Ahmad, Dipesh S Patle.2015. Modeling and Optimisation of Xylose Production by Enzymatic Hydrolysis using Neural Network and Particle Swarm Optimization, Chemical Product and Process Modeling, 10(3): 173–178.

  3. Dipesh S Patle, Ahmad Z and G. P. Rangaiah. 2015. Multi-loop Control System Design for Biodiesel Process using Waste Cooking Oil, Journal of Physics: Conference Series 622.

  4. M.Z. Sahdan, M.F. Nurfazliana, S.A. Kamaruddi, Z. Embong, Z. Ahmad, H. Saim.2015. Fabrication and characterization of crystalline cupric oxide (CuO) films by simple immersion method, Procedia Manufacturing 2, 379 – 384.

  5. Sim Siong Leong, Zainal Ahmad and Jit Kang Lim. 2015. Magnetophoresis of superparamagnetic nanoparticles at low field gradient: hydrodynamic effect, Soft Matter 11, 6968—6980.

  6. Senthil Kumar Arumugasamy and Ahmad, Z. 2015. Multi Input Single Output (Miso) Model Predictive Control (MPC) Of Non-Linear Bio-Polymerization Process, AIP Conf. Proc. 1660, 70007-1 – 70007-11.

 

 

2014

  1. Dipesh Patle, Ahmad, Z, GP Rangaiah. 2014. Plantwide Control of Biodiesel Production from Waste Cooking Oil using Integrated Framework of Simulation and Heuristics, Industrial & Engineering Chemistry Research, 53, 14408−14418.

  2. Dipesh Patle, Ahmad, Z, GP Rangaiah. 2014. Operator Training Simulators in the Chemical Industry: Review, Issues and Future Directions, Reviews in Chemical Engineering, 30(2): 199–216.

  3. Dipesh Patle, Ahmad, Z.2014. Techno-Economic Analysis of an Alkali Catalyzed Biodiesel Production using Waste Palm Oil, Applied Mechanics and Materials Vols. 465-466 pp 120-124

  4. Peck Loo Kiew, Mat Don Mashitah, Zainal Ahmad.2014. Kinetics and Modeling of Pepsin Soluble Collagen (PSC) Extraction from the Skin of Malaysian catfish (Hybrid Clarias sp.), J Korean Soc Appl Biol Chem (57),pp:  53−66.

  5. H. Amani, Z. Ahmad, M. Asif, B.H. Hameed. 2014. Transesterification of waste cooking palm oil by MnZr with supported alumina as a potential heterogeneous catalyst, Journal of Industrial and Engineering Chemistry ( Accepted in press).

  6. H. Amani, Z. Ahmad, B.H. Hameed. 2014. Synthesis of fatty acid methyl esters via the methanolysis of palm oil over Ca3.5xZr0.5yAlxO3 mixed oxide catalyst, Renewable Energy 66, pp: 680-685.

  7. H. Amani, Z. Ahmad, B.H. Hameed.2014. Highly active alumina-supported Cs–Zr mixed oxide catalysts for low-temperature transesterification of waste cooking oil, Applied Catalysis A: General 487:16–25.

  8. Mohd Johan Jaya, E., Norhalim, N. and Ahmad, Z. 2014. Artificial Neural Network Model Prediction of Glucose by Enzymatic Hydrolysis of Rice Straw, Journal of Engineering Science, Vol. 10, 85–94.

  9. Senthil Kumar Arumugasamy and Ahmad, Z. 2014.Hybrid Model For Biopolymerization Process (Ε-Caprolactone To Polycaprolactone), Applied Mechanics and Materials Vol. 625, pp 77-80.

  10. Patle, D. S., Sharma, S., Ahmad, Z., Rangaiah, G. P. 2014.Multi-objective optimization of two alkali catalyzed processes for bio-diesel from waste cooking oil, Energy Conversion and Management, 85, 361-372.

 

2013

  1. Peck Loo Kiew, Zainal Ahmad, Mashitah Mat Don. 2012. A Hybrid of Back Propagation Neural Network and Genetic Algorithm for Optimization of Collagen Extraction from Malaysian Cultured Catfish (Hybrid Clarias sp.), Biotechnology and Bioprocess Engineering 18(2), 257-265.

  2. Noorzalila Muhammad Niza, Kok Tat Tan, Zainal Ahmad and Keat Teong Lee. 2013. Biodiesel production by non-catalytic supercritical methyl acetate: Thermal stability study, Applied Energy 101, pp: 198–202.

  3. Niza, N.M., Tan, K.T., Lee, K.T., Ahmad, Z.2013. Influence of impurities on biodiesel production from Jatropha curcas L. by supercritical methyl acetate process, Journal of Supercritical Fluids ( IN press).

  4. Senthil Kumar, A., Uzir, M.H., Ahmad, Z.2013. Comparative study between Candida Antarctica lipase B and Pseudomonas Floroscens as catalyst for polycaprolactone production, Advanced Materials Research 626 , pp. 547-550.

  5. Senthil Kumar Arumugasamy; Uzir, M.H.; Ahmad, Z. “Neural Network Based Modeling For Polycaprolactone Synthesis By Bio-Polymerization Of Ε-Caprolactone” International Journal of Bioscience,Biochemistry and Bioinformatics, 3 (1), 56-58 (2013)

 

​2012

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  1. Senthil Kumar and Ahmad, Z. 2012. Model Predictive Control (MPC) and its Future Challenges in Chemical Engineering, Chemical Engineering Communications Journal 199 pp:472-511.

  2. W.L. Tan, N.M. Nor, M.Z. Abu Bakar, Z. Ahmad, S.A. Sata.2012. Optimum parameters for fault detection and diagnosis system of batch reaction using multiple neural networks, Journal of Loss Prevention in Industries 25(1) pp:138-141.

  3. Ahmad Z, Senthil Kumar and U, Krishnasamy U.2012. Role of Mixing and Temperature on Molecular Weight Distribution of Polycaprolactone Synthesized from ε-Caprolactone. Open Access Scientific Reports 1(7), pp:2-5.

  4. Senthil Kumar and Ahmad,Z.2012. Modeling of Polycaprolactone production from ε-caprolactone using Neural Network, Lectures Notes in Computer Science Volume 7664, pp:444-451.

  5. R. Davarnejad, N.M. Niza, K.M. Kassim, S.A. Sata, Z. Ahmad, K.T. Lee and M.K. Moraveji. 2012. Mass Transfer Study in Supercritical Fluid Extraction of β-Carotene from Crude Palm Oil Using CO2 in a Bubbler Extractor, International Journal of Chemical and Environmental Engineering, Volume 3, No.4.

  6. Norhana Taib, Z. Ahmad and Suhairi A. Sata , 2012. Predicting Molecular Weight at Certain Temperature Isothermally using Neural Network. Journal of Applied Sciences, 12: 1075-1085.

  7. D. Muhammad, Z. Ahmad and N. Aziz, 2011. Modeling and Nonlinearity Studies of Industrial i-Butane/n-Butane Distillation Column, Journal of Applied Sciences, ANSInet Publication  11(3):pp:494-502.

 

2011

  1. Lee Qiou Hui, Lee Weng Hui, N Aziz and Z. Ahmad. 2011.Nonlinear Process Modeling of “Shell” heavy Oil Fractionator using Neural Network, Journal of Applied Sciences, ANSInet Publication 11: 2114-2124.

  2. Senthil Kumar and Ahmad, Z.2011. Candida Antarctica as Catalyst for Polycaprolactone Synthesis: Effect of Temperature and Solvents, Asia-Pacific Journal of Chemical Engineering 6 pp:398-405.

  3. Noorzalila Muhammad Niza, Kok Tat Tan, Zainal Ahmad and Keat Teong Lee. 2011.Comparison and optimisation of biodiesel production from Jatropha curcas oil using supercritical methyl acetate and methanol, Chemical Papers, 65 (5) 721–729.

  4. Rabiatul Adawiyah MN and Zainal A. 2011. Optimum Numbers of Single Network For Combination In Multiple Neural Networks Modeling Approach For Modeling Nonlinear System, IIUM Engineering Journal 12(6), Pp :45-58.

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2010

  1. R Mat Noor, M H Uzir, M Mat Don, Z Ahmad. 2010. Modeling and Control of Different Types of Polymerization Processes Using Neural Networks Technique: A Review, Canadian Journal of Chemical Engineering 88,pp:1064-1084. (ISI).

  2. Irvan Dahlan, Zainal Ahmad, Muhammad Fadly, Keat Teong Lee, Azlina Harun Kamaruddin, Abdul Rahman Mohamed.2010. Parameters optimization of rice husk ash (RHA)/CaO/CeO2 sorbent for predicting SO2/NO sorption capacity using response surface and neural network models, Journal of Hazardous Materials 178, pp: 249-257. (ISI)

  3. Zainal Ahmad, Mashitah Mat Don, Hatijah Mortan, Rabiatul Adawiah Mat Noor. 2010. Nonlinear Process Modeling of Fructosyl Transferase (FTase) using Bootstrap Re-sampling Neural Network Model, Bioprocess and Biosystem Engineering 33,pp: 599-606 . (ISI)

  4. R Mat Noor and Z Ahmad. 2010. Inferential Estimation of Biopolymer (Polyester) Quality Using Bootstrap Re-sampling Neural Network Technique, 2010 IEEE Conference on Cybernetics and Intelligent Systems, pp 224-229. (ISI and IEEE Explore).

  5. Reza Davarnejad, Zainal Ahmad, Suhairi A. Sata, Mostafa Keshavarz Moraveji and Farzaneh Ahmadloo.2010. Mutual Solubility Study in Supercritical Fluid Extraction of Tocopherols from Crude Palm Oil Using CO2 Solvent, Int. J. Mol. Sci. 2010, 11, 3649-3659; doi:10.3390/ijms11103649 (ISI).

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2009

  1. Ahmad Z, Mat Noor RA, Zhang J. 2009. Multiple Neural Networks Modeling Techniques in Process Control: A Review, Asia-Pacific Journal of Chemical Engineering DOI:10.1002/apj.213

  2. R. Davarnejad, K. M. Kassim, A. Zainal and Suhairi A. Sata.2009. Solubility of β-carotene from Crude Palm Oil in High Temperature and High Pressure Carbon Dioxide, J. Chem. Eng. Data, 54 (8): 2200-2207. (ISI)

  3. R. Davarnejad, K. M. Kassim, A. Zainal and Suhairi A. Sata.2009. Thermodynamic Model Used to Predict Supercritical Carbon Dioxide Separation of an Ethanol-Octane Mixture: Feasibility Studies, Int. J. of Thermodynamics, Vol. 12 (No. 1), pp. 51-59.

  4. Senthil Kumar Arigamasamy and Zainal Ahmad. 2009. Elevating Model Predictive Control Using Feed Forward Neural Networks: A Review, Chemical Product and Process Modeling Vol. 4 : Issue. 1, Article 45. (SCOPUS)

  5. Ahmad Z and Mat Noor RA. 2009. Improving Multi Step-Ahead Model Prediction through Backward Elimination Method in Multiple Neural Networks Combination, in ICONIP 2008, Auckland, New Zealand, 25-28 November. CD-ROM. (ISI)

  6. Ahmad Z and Zhang. 2009. Selective Combination of Multiple Neural Networks for Improving Model Prediction in Nonlinear Systems Modeling through Forward Selection and Backward Elimination, Neurocomputing, 72, pp: 1198-1204. (ISI).

  7. Z. Abdullah , Zainal Ahmad, N. Aziz.2009. MIMO Neural Network Model for Pilot Plant Distillation Column, Computer Aided Chemical Engineering 31,  531-536.

 

2008

  1. K. M. Kassim, R. Davarnejad and A. Zainal. 2008. Phase Equilibrium Studying for the Supercritical Fluid Extraction Process Using Carbon Dioxide Solvent with 1.35 Mole Ratio of Octane to Ethanol Mixture, Chemical Engineering Journal 140,pp: 173-182 (ISI).

  2. R. Davarnejad, K.M. Kassim, A. Zainal and Suhairi A. Sata . 2008. Mutual solubility study for 94.2: 5.8 of ethanol to octane with supercritical carbon dioxide solvent,  Journal of the Chinese Institute of Chemical Engineers 39,pp: 343-352. (ISI)

  3. R. Davarnejad, K.M. Kassim, A. Zainal, Suhairi A. Sata. 2008. Supercritical Fluid Extraction of β-carotene from Crude Palm Oil Using CO2, Journal of Food Engineering 89, 472-478. (ISI)

  4. R. Davarnejad, K.M. Kassim, A. Zainal, Suhairi A. Sata. 2008. Supercritical Fluid Extraction of carotenoid from Microalgae with Projected Thermodynamics Model, Islamic Republic of Iran International Journal of Engineering,Vol 21(2), pp 117-126.

  5. R. Davarnejad, K. M. Kassim, A, Zainal and Suhairi A. Sata.2008. Phase Equilibrium Study of Triacylglycerols from Crude Palm Oil Using CO2, WASJ 5(1),68-75.

  6. R. Davarnejad, K. M. Kassim, A. Zainal and Suhairi A. Sata.2008. Extraction of Fish Oil by Fractionation through Supercritical Carbon Dioxide, J. Chem. Eng. Data, 53 (9), pp 2128–2132. (ISI)

  7. Zainal Ahmad and Rabiatul ‘Adawiah Mat Noor. 2008. Improving one step-ahead Prediction in Nonlinear Process Modeling through Selective Combination of Multiple Neural Networks using Combined Correlation Coefficient Analysis. Jurnal Teknologi F UTM, no:48,pp:99-116.

  8. Z Ahmad, T P Ha and R A Mat Noor. 2008. Improving Nonlinear Process Modelling using Multiple Neural networks Combination Through Bayesian Model Averaging (BMA), IIUM Engineering Journal ,Vol 9,No 1,pp:19-36.

 

2007

  1. Zalizawati Abdullah, Norashid Aziz and Zainal Ahmad. 2007. Nonlinear Modeling Application in Distillation Column. Chemical Product and Process Modeling, vol 2 (3), Article 12. (SCOPUS).

  2. R. Davarnejad, K. M. Kassim, A. Zainal and Suhairi A. Sata.2007. Phase Equilibrium Study in Supercritical Fluid Extraction of Ethanol to Octane Mixture Using CO2, AJChE 2007, Vol. 7, No. 2, pp:127-136.

  3. Zainal Ahmad and Yong Fei San. 2007. Comparison of Neural Networks Prediction and Regression Analysis (MLR and PCR) in Modeling Nonlinear System, Jurnal Kejuruteraan UKM Jilid 19, pp:29-42.

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2006

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  1. Ahmad, Z.; and Zhang, J. 2006. A Nonlinear Model Predictive Control Strategy using Multiple Neural Network Models. Lecture Notes in Computer Science 3972, pp: 943-948. (ISI)

  2. Ahmad, Z.; and Hafizan, Juahir. 2006. Neural Networks Model for Prediction of Discharged from the Catchments of Langat River, Malaysia, IIUM Engineering Journal 7(1), pp :25-35.

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2005

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  1. Ahmad, Z.; and Zhang, J. 2005. Bayesian Selective Combination of Multiple Neural Networks for Improving Long Range Predictions in Nonlinear Process Modelling. Neural Computing and Application 14, 78-87. (ISI)

  2. Ahmad, Z.; and Zhang, J. 2005. Bayesian Combination using Data Fusion Technique. Computer and Chemical Engineering 30, 295-308. (ISI)

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2003

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  1. Ahmad, Z.; and Zhang, J, 2003. Improving Data based Nonlinear Process Modelling through Bayesian Combination of Multiple Neural Networks. In Proceedings of The 2003 International Joint Conference on Neural Networks, 2472-2473,Portland, Oregon. (ISI)

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2002

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  1. Ahmad, Z.; and Zhang, J. 2002. A Comparison of Different Methods for Combining Multiple Neural Networks Models. In Proceedings of the IEEE World Congress on Computational Intelligence, 828-833. Honolulu, Hawaii: IEEE International Joint Conference on Neural Networks. (ISI)

  2. Ahmad, Z.; and Zhang, J. 2002. Improving Long Range Prediction for Nonlinear Process Modelling through Combining Multiple Neural Networks. In Proceedings of the Conference on Control Application (CCA) 966-971, Glasgow, Scotland:  IEEE Control System Society. (ISI)

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Conferences Proceedings

2016

  1. Dinie Muhammad, Zainal Ahmad, Norashid Aziz.2016. Combined Internal Model and Inferential Control for n-butane/i-butane distillation column. In the 3rd International Conference on Chemical Engineering and Industrial Biotechnology 2016 (ICCEIB 2016). CD-ROM

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2015

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  1. Peck Loo Kiew and Ahmad, Zainal. 2015. Comparison between Statistical and Artificial Intelligent Based Optimisation of Collagen Extraction from Fish Skin, In the Proceedings of International Conference on Information and Convergence Technology for Smart Society, D-ROM.

  2. Dipesh S. Patle, Ahmad, Z and G. P. Rangaiah. 2015. A Standalone Operator Training Simulator for Biodiesel Production from Waste Cooking Oil, In the Proceedings APCChE 2015 Congress incorporating Chemeca, 27 Sept – 01 Oct 2015, Melbourne, Victoria.

 

2014

  1. Dipesh Patle, Ahmad, Z, Gp Rangaiah. 2014. Biodiesel Production From Waste Cooking Oil: Plant-Wide Control System Design Using Integrated Framework Approach, In ADCONIPS 2014 Hiroshima, Pp: 231-236.

  2. Nur’atiqah Norhalim, Mashitah Mat Don , Z. Ahmad. 2014. Modeling Of Enzymatic Hydrolysis On Xylose Production Using Neural Network And Particle Swarm Optimization For The Process , In SOMCHE AND RSCE 2014, Kuala Lumpur ( Accepted)

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2013

 

  1. Patle, D. S., Ahmad, Z., “Training Simulator Development For Palm Oil Based Biodiesel Production Plant”, Proceedings Of The 6th International Conference On Process Systems Engineering (PSE Asia 13), Kuala Lumpur, 25 – 27, 2013.CD-ROM.

  2. Senthil Kumar Arumugasamy; Uzir, M.H.; Ahmad, Z.2013. “Kinetic Studies Of Polycaprolactone Production Using Lipase Enzyme As Catalyst”, International Proceedings Of Chemical, Biological And Environmental Engineering  (Ipcbee), 48, Pp 27-32 (2013).

  3. Senthil Kumar Arumugasamy; Uzir, M.H.; Ahmad, Z .2013. Neural Network Model Predictive Control Of Non-Linear Biopolymerization Process, Proceedings Of The 6th International Conference On Process Systems Engineering (PSE Asia 13), Kuala Lumpur, 25 – 27, 2013.CD-ROM

  4. N A Rahim And Ahmad, Z.2013. Features Selection In Water Quality Prediction In Neural Network Using Canonical Correspondence Analysis (CCA), Proceedings Of The 6th International Conference On Process Systems Engineering (PSE Asia 13), Kuala Lumpur, 25 – 27, 2013. CD-ROM

  5. Ahmad, Z, M Z Abu Bakar, Kt Lee, Uzir Mh, K Abdul Karim, Ma Ahmad, Ooi Bs, Derek Chan , S Ismail, J K Lim , Tan S H, V M Vadivelu,  Tye Ct, M N Murat, Low Sc, Leo Cp.2013 A First Attempt At Project Based Learning (Pbl) On Final Year Design Project Chemical Engineering Undergraduates Student At Universiti Sains Malaysia (USM), Proceedings Of The 6th International Conference On Process Systems Engineering (PSE Asia 13), Kuala Lumpur, 25 – 27, 2013.CD-ROM.

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2012

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  1. Nazira Anisa Rahim, Baharuddin Andullah and Zainal Ahmad.2012. Input selection for River water Quality using Canonical Correlation Analysis, In the Proceedings of Regional Conference on Chemical Engineering, Kuala Lumpur , AUN/SEED.Net JICA. CD-ROM.

  2. Senthil Kumar Arumugasamy, MH Uzir and Ahmad, Z. 2012. Comparative Study Of Polycaprolactone Production From Ε-Caprolactone Using Ring Opening Polymerization In Flask And Reactor Level, In the Malaysian International Conference on Trends In Bioprocess Engineering (MICOTriBE 2012) CD-ROM

  3. Chan Chee Kin, Mashitah Mat Don and Ahmad, Z. 2012. Compressive Strength Prediction of Concrete Recycled Aggregates made from Ceramic Tiles using Feedforward Artificial Neural Network (FANN), I.A. Karimi and Rajagopalan Srinivasan (Editors), Proceedings of the 11th International Symposium on Process Systems Engineering, 15-19 July 2012, Singapore pp: 320-324.

  4. Senthil Kumar. A, M H Uzir, and Ahmad. Z.2012. “Comparative study between Candida Antarctica lipase B and Pseudomonas Floroscens as catalyst for Polycaprolactone production”,  ICAMET  NOVEMBER 2012, PENANG.

  5. Patle, D. S., Ahmad, Z., 2012.“Simulation, cost and energy analysis of eco-friendly biodiesel production plant”, International Conference on Environment 2012 (ICENV 2012), Penang, Malaysia, December 11-13, 2012.749-758.

  6. Ahmad, Z. and Baharuddin, I. and Mat Noor, R. A.2012. Nonlinear Process Modeling Using Multiple Neural Network (MNN) Combination Based on Modified Dempster-Shafer (DS) Approach,In 7th IEEE Conference on Industrial Electronics and Applications (ICIEA 2012), Singapore, 1407-1411.

  7. Mat Noor, R. A.; Ahmad, Z.2012. Biopolycaprolactone molecular weight prediction based on neural network technique in a batch reactor, In 7th IEEE Conference on Industrial Electronics and Applications (ICIEA 2012), Singapore, 1412-1416.

  8. Senthil Kumar Arumugasamy, MH Uzir and Ahmad, Z. 2012. Neural Network Based Modeling for Polycaprolactone Synthesis by Bio-polymerization of ε-caprolactone, In the Proceedings of 2012 International Conference on Chemical Science and Engineering  (ICCSE 2012) CD-ROM

 

 

2011

 

  1. Rabiatul ‘Adawiah Mat Noor and Zainal Ahmad. 2011. Neural Network Based Soft Sensor for Prediction of Biopolycaprolactone Molecular Weight Using Bootstrap Neural Network Technique, IEEE 3rd Conference on Data Mining and Optimization (DMO) 28-29 June 2011, Selangor, Malaysia. CD-ROM.

  2. Muhammad Niza,Z, Tan Kok Tat, Lee Keat Teong and Zainal Ahmad.2011.  “Biodiesel Production by Non-Catalytic  Supercritical Methyl Acetate Using Jatropha Oil: Optimized and Thermal Stability STudy”, proceedings of the 6th Dubrovnik Conference in Sustainable Development of Energy, Water and Environment Systems, Dubrovnik, Croatia, 25-29 September 2011.

  3. Z Abdullah, Z Ahmad, N Aziz, 2011, Multiple Input-Single Output (MISO) Feedforward Artificial Neural Network (FANN) Models for Pilot Plant Binary Distillation Column, , 2011 Sixth International Conference on Bio-Inspired Computing: Theories and Applications, Penang.

  4. D. Muhammad, Z. Ahmad and N. Aziz,2011. Nonlinear Modeling of Industrial i-butane/n-butane Distillation Column Using Feedforward Neural Network.  International Conference on Chemical Innovation (ICCI 2011) pp 56-61.

 

 

2010

 

  1. Zainal Ahmad and Rabiatul ‘Adawiah Mat Noor. 2010. Stability Analysis on Neural Network Model: A Brief, 2nd International Conference in Engineering and ICT 2010. CD-ROM.

  2. Senthil Kumar Arumugasamy and Zainal Ahmad. 2010. Candida Antarctica as Catalyst  for Polycaprolactone Synthesis: Effect of Temperature and Solvents, The 5th International Symposium On Design, Operation And Control Of Chemical Processes (PSE ASIA 2010) , Singapore, pp: 1546-1554.

  3. D Muhammad, Z Ahmad and N Aziz. 2010. Implementation Of Internal Model Control (IMC) In Continuous Distillation Column, The 5th International Symposium On Design, Operation And Control Of Chemical Processes (PSE ASIA 2010), Singapore, pp: 812-821.

  4. Sharlinda Salim Satchinathan and Zainal Ahmad. 2010. Studying The Effect Of Cstr Capacity And Stirring Rate In Controlling Ph Neutralization Process In Waste Water Treatment (Wwt) Plant, In The Proceeding of International Conference on Environment 2008 (ICENV2010) 13-15 December 2010 Penang. CD-ROM.

 

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2009

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  1. Ahmad Z, Ong, Y T, Mat Noor RA. 2009. Nonlinear Model Predictive Control (NMPC) Using Neural Networks: Conic Water Tank Level Control, in The 2nd International Conference on Control, Instrumentation and Mechatronics Engineering (CIM 2009 ). Malacca, Malaysia. CD-ROM.

  2. Zainal Ahmad, Rabiatul ‘Adawiah Mat Noor, Yap Zheng Xiong. 2009. Selective Combination in Multiple Neural Networks (MNN) using Support Vector Machine (SVM) in Modelling Continuous Stirred Tank Reactor (CSTR),  in ROVISP 2009, CD-ROM.

  3. Senthil Kumar and Zainal Ahmad.2009. Neural Network Model predictive control in Biotechnology: A Review, International E-Conference on Artificial Intelligence applications in Chemical Engineering (AIAC). On-line.

 

 

2008

 

  1. S.A Syed Ab Rahman, M . Z Abu Bakar, Z Ahmad and S A Sata.2008. Determination of membership Function and Fuzzy Rules for fault Detection Development of an Esterification Process, 2nd International Conference for Young Scientist Book of Abstract, pp-320.

  2. R. Davarnejad, K.M.Kassim, Z Ahmad and S A Sata.2008.Mutual Solubility Model Associated with Gibbs Function used for The Prediction of Supercritical Carbon Dioxide Extraction of Phenol from Wastewater, 2nd International Conference for Young Scientist Book of Abstract, pp-383.

  3. Ahmad Z and Mat Noor RA. 2008. Development of nonlinear Bioolymerisation Process using Bootstrap re-sampling Neural Networks: Biopolymerisation Lactone to Polyester, in 15th Regional Symposium on Chemical Engineering 2-3 December 2008, Kuala Lumpur, CD-ROM.

  4. Zainal Ahmad, Rabiatul Adawiah Mat Noor, Hafizan Juahir. 2008. Prediction of Water Quality Index in Sungai Perak Using Multiple Neural Networks, in Proceeding of International Conference on Environment 2008 (ICENV2008) 15-18 December 2008 Penang. CD-ROM

 

 

2007

 

  1. Ahmad Z and R A Mat Noor. 2007. Improving Single Neural Network Model for Real pH Neutralization Process using Boostrap Re-sampling Technique. In the Proceeding World Engineering Congress ( WEC 2007), Penang Malaysia, pp 40-48.

  2. Ahmad Z and F Roslin. 2007. Modelling of Real pH Neutralisation Process using Multiple Neural Networks (MNN) Combination Technique. In the proceeding International Conference on Control, Instrumentation and Mechatronics Engineering, Johor Bahru ,Johor. CD-ROM.

  3. Ahmad Z and R A Mat Noor. 2007. Combination of Multiple Neural Networks for Improving Nonlinear Process Modelling based on Clustering Analysis, ROVISP 2007 , CD-ROM.

  4. K. M. Kassim, A. Zainal and R. Davarnejad. 2007. Regular Solution Theory Model Used to Predict Supercritical CO2 Extraction of p-chlorophenol Contaminate from Water Stream, MJISAT 2007, CD-ROM.

  5. Ahmad Z and R A Mat Noor. 2007. A Review of Neural Network Modeling Technique: Multiple and Single Neural Networks, SomChe 2007, CD-ROM.

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2006

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  1. Ahmad, Z.; and Zhang, J, and S.R Abd Shukor .2006. Improving Multi-step Ahead Model Prediction using Multiple Neural Networks Combination through Forward Selection (FS) Technique. In the Proceeding of International Conference on Computing and Informatics (ICOCI 2006) ( CD-ROM).

  2. Abdullah Z, N Aziz, Z Ahmad and K Ramesh. 2006.  Review of Nonlinear Modelling Application in Distillation Column. In proceeding APCHEE 2006, Kuala Lumpur, CD-ROM.

  3. Ahmad Z and J Hafizan. 2006. Water Discharged Prediction in Langat River Malaysia using Selective Combination of Multiple Neural Networks through Forward Selection Technique. In the Proceeding ICENV2006, Penang, Malaysia. CD-ROM

  4. Ahmad Z and Z Abdullah. 2006. Improving Data-based Modelling Technique for Fed-batch Fermentation Processes using Multiple Neural Networks Combination. In the Proceeding of ICSTIE2006, Penang, Malaysia. CD-ROM.

 

 

2005

 

  1. S R Abd Syukor, Ahmad, Z and Tan, S M.2005. Feedforwad-Feedback Control Strategy for pH Neutralisation Processes. International Conference on Chemical and Bioprocess Engineering (ICCBPE 2005),pp 533-538 .

 

 

2004

 

  1. Ahmad, Z.; and Zhang, J. 2004. Improving Long Range Prediction in Nonlinear Process Modelling through Bayesian Combination of Multiple Neural Networks. In Proceedings of European Symposium on Computer Aided Process Engineering (ESCAPE14), Lisbon, Portugal, 16-19 May, 2004.

  2. Ahmad, Z. Zhang, J and S.R Abd Shukor.2004. Preliminary Study in Selective Combination in Multiple Neural Networks for Improving Nonlinear Process Modelling through Summation of Error (SOE) Techniques. In Proceedings of 2nd International Conference on AI Applications in Engineering and Information Technology (ICAIET 2004) 3-5, August  2004, Kota Kinabalu, Sabah, Malaysia,

 

 

2003

 

  1. Ahmad, Z.; and Zhang, J. 2003. Selective Combination of Multiple Neural Networks for Improving Long Range Prediction in Nonlinear Process Modelling through Correlation Co-efficient Analysis. In Proceedings of the International Conference on Robotics, Vision, Information and Signal Processing (ROVISP 2003), 472-479, Penang, Malaysia:  IEEE Malaysia and Universiti Sains Malaysia.

  2. Ahmad, Z.; Zhang, J and F.S. Taip. 2003. Selective Combination of Multiple Neural Networks for Improving Long Range Prediction in Nonlinear Process Modelling based on Correlation Analysis. In International Conference of Chemical and Bioprocess Engineering, Vol 1, pp 326-333, Kota Kinabalu, Sabah, Malaysia.

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