Journal Title
Title of Journal: Optim Eng
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Abbravation: Optimization and Engineering
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Authors: Songlin Nie Jiandong Wen Yongping Li Xionghui Tang Guohe Huang
Publish Date: 2011/06/23
Volume: 13, Issue: 2, Pages: 319-347
Abstract
A fuzzy robust nonlinear programming model is developed for the assessment of filter allocation and replacement strategies in hydraulic systems under uncertainty It integrates the methods of fuzzy mathematic programming FMP and robust programming RP within the mixed integer nonlinear programming framework and can facilitate dynamic analysis and optimization of filters allocation and replacement planning where the uncertainties are expressed as fuzzy membership functions In modeling formulation theory of contamination wear of typical hydraulic components is introduced to strengthen the presentation of relationship between system contamination and work performance The fuzzy decision space is delimited into a more robust one by specifying the uncertainties through dimensional enlargement of the original fuzzy constraints The piecewise linearization approach is employed to handle the nonlinearities of problem The developed method has been applied to a case of planning filter allocation and replacement strategies under uncertainty and the generated optimal solution will help to reduce the total system cost and failurerisk level of the FPS
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