نتایج جستجو برای: cell formation problem
تعداد نتایج: 2917013 فیلتر نتایج به سال:
The Cell Formation Problem (CFP) involves the clustering of machines to enhance productivity and capitalize on various benefits. This study addresses a variant problem where alternative routes machine reliability are included, which we call Generalized with Machine Reliability (GCFP-MR). is known be NP-Hard, finding efficient solutions utmost importance. Metaheuristics have been recognized as e...
The coalition structure formation problem represents an active research area in multi-agent systems. A coalition structure is defined as a partition of the agents involved in a system into disjoint coalitions. The problem of finding the optimal coalition structure is NP-complete. In order to find the optimal solution in a combinatorial optimization problem it is theoretically possible to enumer...
Preface Given today's technological advances and decreasing manufacturing cost, mobile robots are expected to be utilized in the near future in a wide range of applications to assist humans , in places like factories, hospitals, museums and households. Since roughly speaking a robot, just like a computer, is hardware (wheels, motors, manipulators, sensors, etc.) controlled by software, a useful...
Wilms tumor (WT) is the most common pediatric malignant primary renal tumor. Carboplatin (CRB), a platinum compound is widely used in the treatment of multiple cancers including ovarian, lung, head and neck, and wilm’s tumor. However lower uptake of CRB in cancer cells and toxicity concerns in healthy cells often limited its clinical outcome. The aim of this study was to investigate the antitum...
angiogenesis, formation of new blood vessels, play an important role in some diseases such as cancer and its metastasis. using angiogenesis inhibitors, therefore, is one of the ways for cancer treatment and prevention of metastasis. medicinal plants have been shown to play a major role in the treatment of a variety of cancers. in this direction, cytotoxic and angiogenic effects of oleo gum resi...
This article introduces a genetic programming algorithm for the solution of the multiobjective cellformation problem. This problem is related to the design of a cellular manufacturing production system. A well-known evolutionary multiobjective technique guides the algorithm in its search for the Pareto set of solutions. The framework is tested on an industrial case study taken from the literatu...
Cellular manufacturing systems (CMS) typically comprise a number of manufacturing cells served by a centralized material handling system. Designing such systems includes three major decisions; cell formation (CF), group layout (GL), and group scheduling (GS). Traditionally, these three decisions have been dealt with separately, which has usually lead to less than optimal system performance. In ...
Cellular manufacturing (CM) is an important application of group technology (GT), a manufacturing philosophy in which parts are grouped into part families, and machines are allocated into machine cells to take advantage of the similarities among parts in manufacturing. The target is to minimize inter-cellular movements. Inspired by the rational behind the so called grouping genetic algorithm (G...
The Cell Formation Problem is an NP-hard optimization problem that consists of grouping machines into cells dedicated to producing a family of product parts, so that each cell operates independently and inter-cellular movements are minimized. Due to its high computational complexity, several heuristic methods have been developed over the last decades. Hybrid methods based on adaptations of popu...
Cell formation (CF) is a crucial aspect in the design of cellular manufacturing (CM) systems.This paper develops a comprehensive mathematical programmingmodel for the cell formation problem, where product demands, cell size limits, sequence of operations, multiple units of identical machines, machine capacity, or machine cost are all considered. In this model, the intercell moves are restricted...
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