2005, Volume 7, Issue 2
Strategic Study of CAE >> 2005, Volume 7, Issue 2
A Multi-objective Optimization Decision-making Model for Project Time - resource Tradeoff Problem
1. Institute of Systems Engineering, Wuhan University, Wuhan 430072, China
2. School of Mathematics and Statistics, Wuhan University, Wuhan 430072, China
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Abstract
In the project scheduling and management, the time-resource tradeoff problem is to seek the objective of minimizing the project duration and the total consumed-resources cost under the requirement of the absolute due date of project, and determine an efficient project scheduling according to some precedence relationship and the renewable resource constraints. A new multi-objective optimization decision-making model with time-resource tradeoff problem is proposed, in which objective functions with conflict one another are defined as adaptive and adjustable between the project duration and the total consumed-resources cost in all period. A satisfied feasible solution can be obtained in the solution procedure by compromising and adjusting relationship between the project duration and the total consumed-resource cost. A numerical example is illustrated. In addition, some characteristics on this two-player game are given in the corresponding Lagrangian relaxation form associated with the resource constraints.
Keywords
project scheduling management ; time-resource tradeoff ; multiobject decision-making model ; resource-constrained ; project scheduling ; Lagragian relaxation
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