Functional and spatial system model for city infrastructure systems: A City.Net IES case study

Adedamola Adepetu, Paul Grogan, Anas Alfaris, Davor Svetinovic, Olivier L. De Weck

Research output: Contribution to journalArticlepeer-review


City infrastructure systems have distinct functions but are not isolated from one another, with interactions existing between these systems. Modeling these systems requires a focus on the system functions and interdependencies. Most models focus on system failures rather than the unexpected effects of design decisions in these systems. This paper presents a functional and spatial modeling framework suited for the representation of city infrastructure systems. This framework comprises a systematic process for breaking down the system into fundamental components and defining the relations between the system components. In addition, the spatial feature of the framework facilitates the synthesis, analysis, and evaluation of infrastructures based on their geographical locations and spatial orientations. This system modeling approach is used to design an Integrated Energy System (IES) model in order to exhibit the features of this framework. The IES consists of standard energy system estimation techniques and tools such as MATPOWER for load flow analysis, and is also used to execute a city case study. As a result, the advantages of the functional and spatial framework for modeling city infrastructures are presented.

Original languageBritish English
Pages (from-to)62-76
Number of pages15
JournalSystems Engineering
Issue number1
StatePublished - Mar 2014


  • decision support systems
  • distributed power generation
  • load flow analysis
  • modeling
  • power system modeling


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