Simplifying multiobjective optimization: An automated design methodology for the nondominated sorted genetic algorithm-II

Patrick Reed, Barbara S. Minsker, David E. Goldberg

Research output: Contribution to journalArticlepeer-review

Abstract

Many water resources problems require careful balancing of fiscal, technical, and social objectives. Informed negotiation and balancing of objectives can be greatly aided through the use of evolutionary multiobjective optimization (EMO) algorithms, which can evolve entire tradeoff (or Pareto) surfaces within a single run. The primary difficulty in using these methods lies in the large number of parameters that must be specified to ensure that these algorithms effectively quantify design tradeoffs. This technical note addresses this difficulty by introducing a multipopulation design methodology that automates parameter specification for the nondominated sorted genetic algorithm-II (NSGA-II). The NSGA-II design methodology is successfully demonstrated on a multiobjective long-term groundwater monitoring application. Using this methodology, multiobjective optimization problems can now be solved automatically with only a few simple user inputs.

Original languageEnglish (US)
Pages (from-to)TNN21-TNN25
JournalWater Resources Research
Volume39
Issue number7
DOIs
StatePublished - Jul 2003

Keywords

  • Genetic algorithms
  • Groundwater
  • Multiobjective optimization

ASJC Scopus subject areas

  • Water Science and Technology

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