CBR-genetic algorithm based design team selection model for large-scale design firms

Sung Chul Park, Kyo Jin Koo

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Design has always played an important role in building projects, as it affects the construction process. Selecting competent design teams is a key factor that needs to be considered for the successful completion of a design project. Applying only the limited experience and subjective judgment of humans can have a negative effect on the process of decision-making, since it is difficult to sufficiently consider all the influential factors affecting the options for a combination of teams. Therefore, it is necessary to develop an automated model to effectively support experiences and judgments of decision-makers. In this context, this paper employs Case Base Reasoning(CBR) based on the solutions of similar past cases along with Genetic Algorithm(GA) generating useful solutions through combinations of each individual. The CBR-Genetic Algorithm based design team selection model used for selecting appropriate design teams was developed in this study based on a literature review and an analysis of current selection processes. The developed CBR-Genetic Algorithm based design team selection model, which consists of Modules I and II, was then validated by comparing the results obtained from twelve experts with the results that were automatically selected by Module I and II through real case studies (50 multi-family completed apartment design projects). It was shown that the CBR-Genetic Algorithm based design team selection model is superior to current selection processes because it is able to select appropriate design teams tailored for a future project by simultaneously considering numerous criteria and a variety of combinations of design team possibilities.

Original languageEnglish
Pages (from-to)1141-1148
Number of pages8
JournalKSCE Journal of Civil Engineering
Volume15
Issue number7
DOIs
StatePublished - Sep 2011

Keywords

  • decision support system
  • decision-making
  • design
  • optimization

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