The fuzzy hyperbolic inequality index associated with fuzzy random variables

Article Abstract:

Fuzzy hyperbolic inequality indexes associated with general fuzzy random variables were created to quantify the degree of inequality associated with fuzzy-valued random variables in general populations. Fuzzy valued random variables were developed since quantifying inequality cannot be appropriately expressed in terms of classical random variables. Such finding often holds in situations where involved variables are linguistics like in the fields of Politics, Psychology and Social Sciences.

Research and Development in the Physical, Engineering, and Life Sciences, Mathematics

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Scheduling arrivals to a production system in a fuzzy environment

Article Abstract:

A single facility model is proposed for determining the maximum scheduling ready time and optimal sequence for a set of jobs with fuzzy or vague service times and due dates in single machine and flow shop production systems. The ready time improves the possibility that each job will be late does not exceed a predefined level. The optimal sequence minimizes the maximum shop time for a set of jobs.

Models, Machine shops

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Fuzzy job sequencing for a flow shop

Article Abstract:

The Campbell, Dudek and Smith job sequencing heeuristic is extended to accept fuzzy processing times in job sequencing for a flow shop. Since processing times are not accurately predicted in such a situation, the use of possibility theory and the fuzzy integral will allow a manager to estimate how the processing time spreads can influence the average job flow time and makespan.

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