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Stochastic Quality-cost Optimization System Hybridizing Multi-objective Genetic Algorithm and Quality Function Deployment

Author(s):



Medium: journal article
Language(s): Latvian
Published in: Journal of Civil Engineering and Management, , n. 4, v. 21
Page(s): 407-422
DOI: 10.3846/13923730.2014.890647
Abstract:

This paper introduces an automated tool, the stochastic quality-cost optimization (SQCO) system, that hybridizes multi-objective genetic algorithm (MOGA) and Quality Function Deployment (QFD). The system identifies the optimal trade-off between a construction owner’s satisfaction and a contractor’s satisfaction. It is important to reconcile the project participants’ conflicting interests because the construction owner aims to maximize the quality of construction while the contractor aims to minimize the cost of construction. MOGA is used to optimize resource allocation when owner satisfaction and contractor satisfaction are pursued at the same time under a limited budget. Multi-objective optimization is integrated with simulation to effectively deal with the uncertainties of the QFD input and the variability of the QFD output. This study is of value to practitioners because SQCO allows for the establishment of a quality plan that satisfies all of the multi project participants. The study is also of relevance to researchers in that it allows researchers to expeditiously identify an optimal design alternative of construction methods and operations. A test case implemented with a curtain-wall unit verifies the usability and validity of the system in practice.

Structurae cannot make the full text of this publication available at this time. The full text can be accessed through the publisher via the DOI: 10.3846/13923730.2014.890647.
  • About this
    data sheet
  • Reference-ID
    10354506
  • Published on:
    13/08/2019
  • Last updated on:
    13/08/2019