Leader-follower joint optimization problems in product family design

Gang Du, Yi Xia (), Roger J. Jiao and Xiaojie Liu
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Gang Du: Tianjin University
Yi Xia: Tianjin University
Roger J. Jiao: Georgia Institute of Technology
Xiaojie Liu: Tianjin University

Journal of Intelligent Manufacturing, 2019, vol. 30, issue 3, No 26, 1387-1405

Abstract: Abstract Product family design (PFD) has been traditionally tackled as a single-level multi-objective optimization problem. This paper reveals a complex type of leader-follower joint optimization (LFJO) problems that are widely observed for PFD. Leader-follower decision making is inherent in product family optimization that involves multiple decision makers and encompasses different levels of decision hierarchy, in which many conflicting goals compete to arrive at equilibrium solutions. It is important for PFD to explicitly model such leader-follower decisions in line with a Stackelberg game. Consistent with multiple decision makers across different stages of the PFD process and multiple levels of the PFD decision hierarchy, this paper classifies the leader-follower decisions of PFD using a quartet grid, which serves as a reference model for conceptualization of diverse types of LFJO problems associated with PFD. Coinciding with the bilevel decision structure of game theoretic optimization, each LFJO problem formulation defined from the quartet grid can be quantitatively mapped to a bilevel programming mathematical model to be solved effectively by nested genetic algorithms. A case study of gear reducer PFD is presented to demonstrate the rational and potential of the LFJO quartet grid for dealing with game-theoretic optimization problems underpinning PFD decisions.

Keywords: Product family design; Leader-follower joint optimization; Quartet grid; Game theoretic decision making; Bilevel programming (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s10845-017-1332-4

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