1. Modeling Critical Infrastructure Khaled Abdelghany SMU - May 2005

2. Problem 1 On the Optimal Deployment of Heterogeneous Surveillance Devices in Critical Infrastructure Networks Collaborators: Hesham El-Rewini, SMU

3. Heterogeneous set of surveillance Devices Reliability Lifespan Mobile capability Energy scheduling capability

4. Dynamic Infrastructure Networks Networks: Different criticality levels Different vulnerability levels 57 t = 1 t = 2 t = 3t = 4t = 5 48 822958 3472108 127 19 52 37 806749 99654022152 109 9811215 5

5. Objective Function: Maximizing Network Coverage Maximize: Assign high-weight observations to surveillance devices with high reliability

6. Problem 2 Modeling Pedestrians Dynamics in Crowded Facilities using Cellular Automata Collaborators: Ahmed Abdelghany UoA Hani Mahmassani UoM

7. Cellular Automata The environment of interest is divided into cells. Individuals are moving between these cells according to microscopic behavioral rules.

8. Activity-Chaining in Pedestrians Facility Entering Shopping Exiting

9. Real-time destination choice and changing movement direction. Cell j Cell i Cell c Pedestrian P Cell n Cell m Cell o InitiallyLater

10. Congestion Perception Willing to move into congestion Not willing to move into congestion

11. Problem 3 On the Assessment of Urban Intermodal Transportation Networks Vulnerability Collaborators: Hani Mahmassani UoM Ahmed Abdelghany UoA

12. Research Objective To Develop a Dynamic Trip Assignment Model for Intermodal Transportation Networks

13. Traffic Route Assignment Origin Destination /Activity Transfer HOV

14. Modeling Framework

15. Modeling Disconnects in Intermodal Networks

16. Questions?