In this paper, we embed the microeconomic decisions associated with investment under uncertainty, capacity utilization, and machine replacement in a general equilibrium model based on putty-clay technology. We show that the combination of log-normally distributed idiosyncratic productivity uncertainty and Leontief utilization choice yields an aggregate production function that is easily charact...

background: granulocyte colony stimulating factors (gcsf) are high cost agents commonly recommended for primary and secondary prophylaxis of chemotherapy-induced neutropenia and febrile neutropenia. gcsfs have been shown to be beneficial in some patient subgroups, although they are probably overused in clinical settings. the american society of clinical oncology (asco) guidelines summarize curr...

  This paper deals with the cellular manufacturing system (CMS) that is based on group technology concepts. CMS is defined as identifying the similar parts that are processed on the same machines and then grouping them as a cell. The most proposed models for solving CMS are focused on cell formation problem while machine layout is considered in few papers. This paper addresses a mathematical mo...

In order to implement the cellular manufacturing system in practice, some essential factors should be taken into account. In this paper, a new mathematical model for cellular manufacturing system considering different production factors including alternative process routings and machine reliability with stochastic arrival and service times in a dynamic environment is proposed. Also because of t...

The virtual machine migration is core feature of virtualization that plays important role in cloud computing. The resource utilization is monitored by local migration agent that launches migration of virtual machine from one physical machine to another. Various virtual machine migration techniques are explored for efficient utilization of resources. With rapid increase in data centers, it becom...

As mechanization increases, the percentage of total cost logging operation due to equipment purchase and increases. This makes assumptions about machine life, maintenance costs, fuel consumption more critical in understanding costs operations. For many years rate calculations have followed a fixed format based on concept scheduled productive hours. When utilization is less than 100%, traditiona...

This paper presents a novel, multi-objective mixed-integer nonlinear programming (MINLP) model for a cell formation problem (CFP) with alternative means. Due to existing contradiction among objectives, three are considered: 1) Minimizing the total cost consisting of; intercellular movements, purchasing, operation, and maintenance; 2) maximizing the utilization of machines in the system; 3) mini...

Scheduling in a job-shop system is a challenging task, however it costly and time consuming. Successful implementation of automated manufacturing system highly depends on effective utilization of resource. Efficient scheduling algorithm for alternate process plan may increase the throughput rate, utilization of machine and guarantee a reasonable return of investment. In this paper, the objectiv...