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系统工程理论与实践 2011
Fuzzy optimization of a production inventory system with allowable shortages and defective items
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Abstract:
The paper proposed a production inventory model with the shortage and defective products and the optimization solution using the fuzzy set theory.All input arguments in the model are treated as the trapezoidal fuzzy numbers,and the graded mean integration representation method is employed to defuzzify the objective function.The extend Lagrangian optimization method is used for optimizing objective function with the inequality constraints.The positive definite characteristic of Hessian matrix shows that the ...