Dr. Ahmed's Publications

List of publications

Peer Reviewed Journal Articles:


1. Hameed, A., Khan, F. and Ahmed, S. A risk-based shutdown inspection and maintenance considering human error, Process Safety and Environmental Protection doi:10.1016/j.psep.2015.11.011

2. Xin, P., Khan, F., Ahmed, S. Layout Optimization of A Floating Liquefied Natural Gas Facility Using Inherent Safety Principles, Journal of Offshore Mechanics and Arctic Engineering

3. Wang, H., Khan, F., Ahmed, S. and Imtiaz, S. (2016). Dynamic quantitative operational risk assessment of chemical processes, Chemical Engineering Science, 142, pp 62-78

4. Hashemi, S. J., Ahmed, S. and Khan, F. (2015). Operational Loss Modelling Using Multivariate Loss Functions. Chemical Engineering Research and Design, 104, pp 333-345.

5. Wang, H., Khan, F. and Ahmed, S. (2015). Design of Scenario-Based Early Warning System for Process Operations. Industrial & Engineering Chemistry Research, 54 (33), pp 8255-8265.

6. Khan, F., Rathnayaka, S., Ahmed, S. (2015). Methods and Models in Process Safety and Risk Management: Past, Present and Future. Process Safety and Environment Protection, 98, pp 116147

7. Shekari E, Khan, F. and Ahmed, S. (2015). A predictive approach to fitness- for-service assessment of pitting corrosion. International Journal of Pressure Vessels and Piping, 137, pp 13-21http://dx.doi.org/10.1016/j.ijpvp.2015.04.014

8. Hashemi, S. J., Ahmed, S. and Khan, F. (2015). Probabilistic modeling of business interruption and reputational losses for process facilities. Process Safety Progress doi:10.1002/prs.11753

9. Ahmed, S. and Imtiaz, S. (2015). Identification of MIMO continuous-time models using simultaneous step inputs. Industrial & Engineering Chemistry Research, 54 (29), pp 7251-7260.

10. Hashemi, J., Ahmed, S. and Khan, F. (2015). Loss scenario analysis and loss aggregation for process facilities. Chemical Engineering Science 128, pp 119- 129.

11. Jujuly M., Rahman, A., Ahmed, S. and Khan, F. (2015). LNG pool fire simulation for domino effect analysis. Reliability Engineering & System Safety, 143, pp 19-29.

12. Hameed, A., Khan, F. and Ahmed, S. (2015). A risk-based methodology to estimate shutdown interval considering system availability. Process Safety Progress. 34(3), pp 267-279.

13. Ahmed, Q., Khan, F. and Ahmed, S. (2014). Improving safety and availability of complex systems using a risk-based failure assessment approach. Journal of Loss Prevention in the Process Industries, 32, pp 218-229.

14. Ahmed, S. (2014). Continuous-time identification using sinusoidal input An integral equation approach. Industrial & Engineering Chemistry Research, 53 (33), pp 13065-13072.

15. Hashemi, J., Ahmed S. and Khan, F. (2014). Loss Functions and Their Applications in Process Safety Assessment. Process Safety Progress. 33(3), pp 285-291.

16. Khan, F., Ahmed, S., Yang, M., Hashemi, J., Caines, S. and Oldford, D. (2014). Safety Challenges in Harsh Environments: Lessons Learned. Process Safety Progress, 34(2) pp 191-195.

17. Hashemi, J., Ahmed, S. and Khan, F. (2014). Risk-based operational performance analysis using a loss function. Chemical engineering Science. 116(6), pp 99-108.

18. Chang, Y., Khan, F. and Ahmed, S. (2011). A risk-based approach to design warning system for process facilities. Proc. Safety & Env. Protec., 89(5), pp. 310-316.

19. Ahmed, S., Huang, B. and Shah, S.L.(2009). Validation of continuous-time models with delay. Chem. Eng. Sci., 64(3), pp. 443-454.

20. Ahmed, S., Huang B. and Shah S.L. (2008). Identification from step response with transient initial conditions. Journal of Process Control, 18(2), pp.121-130. (# 4 most downloaded paper during Jan-Mar, 2008)

21. Ahmed, S., Huang B. and Shah S. L. (2007). Novel identification method from step response. Control Engineering Practice, 15(5), pp. 545-556. (# 1 most downloaded paper in CEP during Jan-Mar, 2007).

22. Ahmed, S., Huang, B. and Shah, S.L. (2006). Parameter and delay estimation of continuous-time models using a linear filter. Journal of Process Control, 16(4), pp. 323-331. (# 9 most downloaded paper in Journal of Process Control during Jan-Mar, 2006)

Book chapters:

23. Ahmed, S., Huang, B. and Shah, S.L. (2008). Process parameter and delay estimation from non-uniformly sampled data. In: Identification of continuous-time models from sampled data. Garnier, H. and Wang, L. (Eds.),Springer-Verlag, London,.

24. Ahmed, S., Shah, S.L. and Huang, B. (2009). Maintenance issues in oil and gas processes: Detection of valve stiction. In: Advances in Gas Processing – Proc. 1st annual gas processing symp., Qatar, Alfadala, H., Reklaitis, G. and Halwagi, M. (Eds.), Elsevier.

25. Ahmed, S. (2010). Recent Developments in Identification from Step Response. In: Advances in Gas Processing – Proc. 2nd annual gas processing symp., Qatar. Benyahia, F. and Eljack, F. (Eds.), Elsevier.

Refereed conferences:


26. Gharahbagheri, H., Imtiaz, S., Khan, F., and Ahmed, S. Causality Analysis for Root Cause Diagnosis in Fluid Catalytic Cracking Unit. 9th IFAC Symposium on Supervision, Fault Detection and Safety of Technical Processes, SAFEPROCESS 2015, Sep 2-4, Paris, France.

27. Hashemi, J., Ahmed, S. and Khan, F. Correlation and Dependency in Multivariate Process Risk Assessment. 9th IFAC Symposium on Supervision, Fault Detection and Safety of Technical Processes, SAFEPROCESS 2015, Sep 2-4, Paris, France.

28. Dalapatu, P., Ahmed, S., and Khan, F. Bayesian method for event-based alarm annunciation. 9th IFAC Symposium on Supervision, Fault Detection and Safety of Technical Processes, SAFEPROCESS 2015, Sep 2-4, Paris, France.

29. Wang, H., Khan, F., Ahmed, S. and Imtiaz, S. Risk-based warning system design methodology for multimode processes. 9th IFAC International Symposium on Advanced Control of Chemical Processes, ADCHEM 2015, June 7-10, Whistler, BC, Canada, 664-669.

30. Ahmed, S. Parameter and delay estimation of fractional order models from step response. 9th IFAC International Symposium on Advanced Control of Chemical Processes, ADCHEM 2015, June 7-10, Whistler, BC, Canada, 943-948.

31. Ahmed, S., Zhang, Y. and Spracklin-Reid, D. An expert follower approach to enhance graduate attributes in laboratory courses. Canadian Engineering Education Association’s Annual Conference, CEEA 2015, May 31-Jun 3, Hamilton, ON, Canada.

32. Xin, P., Khan, F. and Ahmed, S. Inherent safety aspects for layout design of a floating LNG facility. 34th ASME International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2015, May 31-June 5, St Johns, NL, Canada.

33. Dalapatu, P., Ahmed, S., and Khan, F. Alarm allocation for an event-based alarm system. International Conference on Chemical Engineering, ICChE 2014, Dec 29-31, Dhaka, Bangladesh.

34. Fahim, S., Ahmed, S. and Imtiaz, S. Continuous-time identification using sinusoidal response: A comparative study. International Conference on Chemical Engineering, ICChE 2014, Dec 29-31, Dhaka, Bangladesh.

35. Ogunlana, A., Azanor, H., Rahman, M., Imtiaz, S. and Ahmed, S. Potential benefits, hazards and prevention of gas hydrate. International Conference on Chemical Engineering, ICChE 2014, Dec 29-31, Dhaka, Bangladesh.

36. Khan, F., Ahmed, S., Yang, M., Hashemi, J., Caines, S. and Oldford, D. Integrity Challenges in Harsh Environments: Lessons Learned and Potential Development Strategies. Hazards 24, 2014, May 7-9, Edinburg, UK.

37. Amyotte, P., Margesona, A., Chiassona, A., Khan, F. and Ahmed, S.. There is no such thing as a black swan process incident. Hazards 24, 2014, May 7-9, Edinburg, UK.

38. Ahmed, S., Dalapatu, P. and Khan, F. Conceptual framework for an event-based alarm system. 11th World Congress on Intelligent Control and Automation, WCICA 2014, June 29-July 4, Shenyang, China.

39. Dalapatu, P., Ahmed, S. and Khan, F. Optimal alarm allocation for an event- based alarm system. 10th IFAC Symposium on Dynamics and Control of Process Systems, DYCOPS 2013, Dec 18-20, Mumbai, India.

40. Ahmed, S., Cox, C. and Imtiaz, S. Identification of integrating processes with time delay. 10th IFAC Symposium on Dynamics and Control of Process Systems, DYCOPS 2013, Dec 18-20, Mumbai, India.

41. Ahmed, S. et al. StepID-a GUI for step response identification. 5th International Conference on Modelling, Identification and Control, ICMIC 2013, Sept 4-5, Cairo, Egypt.

42. Ahmed, S., Imtiaz, S., James, L. and Spracklin-Reid, D. Designing laboratory procedures to enhance graduate attributes. Canadian Engineering Education Association’s Annual Conference, CEEA 2013, June 17-20, Montreal, QC, Canada.

43. Ahmed, S., Gabbar, H., Chang, Y. and Khan, F. (2011). Alarm design: A systems approach. Proc. 4th ADCHEM, Hangzhou, P.R. China May 23-26, pp. 42-47.

44. Ahmed, S. (2010). Linear Approximation of sinusoidal signals for process identification. Proc. 11th ICARCV. Singapore, Dec 5-8, pp. 2253-2258.

45. Ahmed, S. (2010). Process identification using non-ideal step inputs. 9th IFAC Symposium on Dynamics and Control of Process Systems, DYCOPS 2010, Leuven, Belgium, July 5-7, pp. 353-358.

46. Ahmed, S., Huang, B. and Shah, S.L. (2009). Identification from step response in the presence of deterministic disturbance. Proc. 15th IFAC SYSID, Saint-Malo, France, pp. 396-401.

47. Ahmed, S., Huang, B. and Shah, S.L. (2009). Process identification from sinusoidal test data by estimating step response. Proc. 15th IFAC SYSID, Saint-Malo, France, pp. 886-891.

48. Ahmed, S., Huang, B. and Shah, S.L. Parameter and delay estimation of continuous-time models from irregularly sampled output. 6th IFAC International Symposium on Advanced Control of Chemical Processes ADCHEM 2006, Gramado, Brazil, pp. 85-90.

Selected non-refereed contributions:

Posters

  1. Khan, F., Hashemi, J. and Ahmed S. (2013). Loss Functions and Their Applications in Process Safety Assessment. 1st CCPS Asia-Pacific Conference on Process safety, September 4-5, Qingdao, China
  2. Watan Z., Qaffaf, S., Mustafa, N., Ahmed, S. (2010). StepID – A Matlab toobox for identification from step response. Qatar Foundation Annual Research Forum 2010, Doha, Qatar (Awarded the best student research award in the Energy and Environment category).

Conference abstracts

  1. Dalpatadu, P., Ahmed, S. and Khan, F. (2013). An event-based alarm system. CSChE 2013, Oct. 20-23, Fredericton, NB.
  2. Hashemi, J., Ahmed, S. and Khan, F. (2013). Risk-based warning system design for process facilities using Loss Functions. CSChE 2013, Oct. 20-23, Fredericton, NB.
  3. Khan, F., Ahmed, S., Yang, M., Hashemi, J., Caines, S. and Oldford, D. (2013). Integrity challenges in harsh environments: Lessons learned. Hazards Australia 2013, Nov 26-28, Perth, Australia.
  4. Ahmed, S., B. Huang and S. Shah. (2004). Parameter and delay estimation of continuous-time models using a linear filter, CSChE 2004, Oct 3-6, Calgary, Canada.

Reports on externally funded projects:

  1. Taha, M., Abdulmajeed, M., Mahamat, A. and Ahmed, S. (2012). An Aspen simulation library for distillation design and control. Final report on project UREP 09-091-2-025 submitted to QNRF.
  2. Mustafa, N., Watan Z., Qaffaf, S., Ahmed, S. (2011). Development of a new methodologies and a toolbox for identification from step response – phase 2. Final report UREP 07-034-2-009(QNRF).
  3. Alnuaimi, I., Khazndar, A. and Ahmed, S. (2010). Development of new methodologies and a toolbox for identification from step response. Final report UREP 05-087-2-026 (QNRF).

Invited talks:

  1. Ahmed, S. (2011). Towards a new alarm system design philosophy. The 2nd Texas A&M at Qatar Safety Symposium, Doha, Qatar, March 15-16, 2011.
  2. Ahmed, S. (2010). A new alarm system. Centre for Intelligent Control, National University of Singapore, December 9, 2010.

Contact

Centre for Risk, Integrity and Safety Engineering (C-RISE)

230 Elizabeth Ave, St. John's, NL, CANADA, A1B 3X9

Postal Address: P.O. Box 4200, St. John's, NL, CANADA, A1C 5S7

Tel: (709) 864-8000