A Coordinate Optimization Approach for Concurrent Design

In concurrent design (CCD), multiple design teams execute their tasks simultaneously and then exchange information to update their designs. The process then iterates until the termination criterion is met. When properly controlled and executed, CCD can be an effective method to shorten the time in p...

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Bibliographic Details
Published in:IEEE transactions on automatic control 2019-07, Vol.64 (7), p.2913-2920
Main Authors: Peng, Yijie, Huang, Edward, Xu, Jie, Shi, Zhongshun, Chen, Chun-Hung
Format: Article
Language:English
Subjects:
Charge coupled devices
Concurrent design (CCD)
Convergence
Convexity
Design optimization
Elevators
Information management
Information sharing
Linear programming
nonlinear programing
Optimization
Product development
Task analysis
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Summary:In concurrent design (CCD), multiple design teams execute their tasks simultaneously and then exchange information to update their designs. The process then iterates until the termination criterion is met. When properly controlled and executed, CCD can be an effective method to shorten the time in product development for complex and large-scale projects thanks to its parallel nature. In this note, we propose a coordinate optimization framework to model and control team coordination through information sharing in CCD. It can be shown that under a certain convexity assumption, CCD converges to a globally optimal design if the information sharing intensity is smaller than a certain threshold. Numerical experiments substantiate the theoretical results.
ISSN:0018-9286
1558-2523
DOI:10.1109/TAC.2018.2872196