Manufacturing flexibility: a strategic perspective
Management Science
Impact of product mix flexibility and allocation policies on technology
Computers and Operations Research
Fuzzy Sets and Systems - Fuzzy mathematical programming
Theory and Practice of Uncertain Programming
Theory and Practice of Uncertain Programming
Fuzzy decision making of profit function in production planning using S-curve membership function
Computers and Industrial Engineering
Material Requirement Planning with fuzzy constraints and fuzzy coefficients
Fuzzy Sets and Systems
MRP with flexible constraints: A fuzzy mathematical programming approach
Fuzzy Sets and Systems
Compromise Fuzzy Multi-Objective Linear Programming (CFMOLP) heuristic for product-mix determination
Computers and Industrial Engineering
Computers and Industrial Engineering
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This paper considers product mix problems including randomness of future returns, ambiguity of coefficients and flexibility of upper value with respect to each constraint such as budget, human resource, time and several costs. Particularly, the flexibility is assumed to be a fuzzy goal. Then, several models based on maximizing total future profits under a level of satisfaction to each fuzzy goal are proposed. Furthermore, the model considering preference ranking to each fuzzy goal of constraints is proposed. Since these problems are basically formulated as nonlinear programming problems, the transformations into deterministic equivalent problems are introduced and the efficient solution methods are developed. A numerical example for product mix problem is given to illustrate our proposed models.