Abstract
Increasing the profits of producers solely or alternatively minimizing production costs for manufacturers were considered in classical models for planning and designing cellular manufacturing systems. Provided that, with the expansion of manufacturing systems and the increasing demand for products, devastating effects of increasing levels of greenhouse gases on the environment has become more evident and has gained the attention of governments. Besides, the satisfaction of workers’ working conditions, sound pollution and other issues, are vital to establish a sustainable manufacturing system. In this paper, a multi-objective mathematical model (linear/nonlinear) is presented to create stable cellular manufacturing system regarding to mentioned matters in order to minimize the costs of system establishment in addition to optimizing the environmental impacts of the manufacturing system. This model is introduced as a stable cellular manufacturing system (SCMS) and in fact is seeking for a solution to create a manufacturing system in which all factors such as producers, the environment, workers and other are beneficiaries. Also, Epsilon Constraint/LP metric/Pareto Front multi-objective approach given the weights of objectives is used to solve the model.
Highlights
Manufacturing strategies and approaches have significantly changed in recent decades in comparison to the first half of the 20th century
Group technology (GT) is a management theory that aims to group products with similar process or manufacturing characteristics, or both
Cellular manufacturing system (CMS) is a manufacturing concept where aims to group products to part families based on their similarities is manufacturing processing and machines are grouped to machine cells based on parts manufactured by them
Summary
Manufacturing strategies and approaches have significantly changed in recent decades in comparison to the first half of the 20th century. Environmental protection and related strategies is considered as one of the most important factors in organizations and led to creation of a new concepts in the supply chain as Environmental Supply Chain management (ESCN) where in addition to taking into account the objectives of profit maximization or minimization n of the cost, environmental considerations are included in the objective functions and constraints which leads to the integration of environmental factors with facilities, transportation methods, processes, product design, technology selection and etc. Regardless of the profitability of certain goods, for reasons such as indigenousness and the obligation to keep the production industry of that product, some goods should be produced Another major innovation in this study is paying attention to this issue that an economic factor is considered for each product to demonstrate the effectiveness of its production in community in a way that the impact factor of local products is a number greater than the imported products. L−wch Number of workers type w removed from cell c during period h
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