نتایج جستجو برای: and manufacturing
تعداد نتایج: 16841411 فیلتر نتایج به سال:
Background: Although the expansion of innovation in the industry has led to an increase in the fast of works, production and productivity, it has also imposed an increase in the incidence of musculoskeletal disorders. So, the aim of this study was determination the risk level of work posture by REBA and RULA method among workers of assembly line of a cosmetic manufacturing factory. Methods: Th...
Industrial energy demand analysis has always been one of the leading fields of research in economics. This issue is more critical in the case of developing countries especially those with transition experiences. In this paper, third generation of dynamic factor demand models for the Iranian manufacturing industries is estimated to analyze the speed of adjustment in factor demands. Data which is...
Optimization of the complete manufacturing and supply process has become a critical ingredient for gaining a competitive advantage. This article provides a unified mathematical framework for modeling manufacturing cell configuration and raw material supplier selection in a two-level supply chain network. The commonly used manufacturing design parameters along with supplier selection and a subco...
To enhance agility and quick responding to customers' demand, manufacturing processes are rearrenged according to different systems. The efficient execution of a manufacturing system depends on various factors. Among them, cell design and human issue are the pivotal ones. The proposed model designs cellular manufacturing systems using three objective functions from three different perspectives,...
Proper and rational collecting, classifying and regular reporting of financial data in a manufacturing unit requires establishing an appropriate and compiled cost accounting data system so that based on these reports, the managers of the manufacturing units can make their decisions for planning, control of production and also cost reduction. Since the hand-knitted carpet industry is a competito...
Cellular manufacturing system (CMS) is highly important in modern manufacturing methods. Given the ever increasing market competition in terms of time and cost of manufacturing, we need models to decrease the cost and time of manufacturing. In this study, CMS is considered in condition of dynamic demand in each period. The model is developed for facing dynamic demand that increases the cost of ...
This paper discusses the simulation study carried out for proposing one-piece lean line layout with features of Lean Manufacturing. The lean initiatives that can be addressed are, introducing Kanban replenishment sys-tem, better work-in-process, changing the layout, visual management techniques, standardized work for the re-duction of cycle time, number of workers, number of setups. To improve ...
In today’s economy, manufacturing plants must be able to operate efficiently and respond quickly to changes in the product mix and demand.[1] Layout design has a significant impact on manufacturing efficiency. Initially, it was treated as a static decision but due to improvements in technology, it is possible to rearrange the manufacturing facilities in different scenarios. The Plant layout...
this paper describes an evaluation through a case study by measuring a rule-based approach, which proposed for ladder logic diagrams and petri nets. in the beginning, programmable logic controllers were widely designed by ladder logic diagrams. when complexity and functionality of manufacturing systems increases, developing their software is becoming more difficult. thus, petri nets as a high l...
the study of entrepreneurial orientation concept and codifying a proper strategy to improve the performance of companies has a great importance as the companies have allocated more product market share to themselves by representing new and unique products according to customers’ requirements. the purpose of this study is to examine the impact of entrepreneurial orientation and competitive strat...
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