Assembly Line Design: The Balancing of Mixed-Model Hybrid by Brahim Rekiek PDF

Assembly Line Design: The Balancing of Mixed-Model Hybrid by Brahim Rekiek PDF

By Brahim Rekiek

Efficient meeting line layout is an issue of substantial business value. regrettably, like many different layout approaches, it may be time-consuming and repetitive. as well as this, meeting line layout is frequently complicated because of the variety of a number of elements concerned: line potency, expense, reliability and area for instance. the most goal is to combine the layout with operations concerns, thereby minimising its costs.

Since it really is very unlikely to switch a designer’s intelligence, adventure and creativity, you will need to supply him with a collection of counsel instruments as a way to meet the conflicting goals concerned. Assembly Line Design offers 3 strategies in accordance with the Grouping Genetic set of rules (a robust and greatly appropriate optimisation and stochastic seek procedure) which might be used to help effective meeting line design:

• ‘equal piles for meeting lines’, a brand new set of rules brought to house meeting line balancing (balancing stations’ loads);

• a brand new strategy according to a a number of aim grouping genetic set of rules (MO-GGA) aiming to accommodate source making plans (selection of kit to hold out meeting tasks);

‘• stability for operation’ (BFO), brought to accommodate the alterations in the course of the operation section of meeting strains.

Assembly Line Design should be of curiosity to technical group of workers operating in layout, making plans and construction departments in in addition to managers in who are looking to research extra approximately concurrent engineering. This booklet can be of price to researchers and postgraduate scholars in mechanical, production or micro-engineering.

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Additional resources for Assembly Line Design: The Balancing of Mixed-Model Hybrid Assembly Lines with Genetic Algorithms

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1. PROMETHEE II evaluation matrix a1 a2 ... ai ... ) f2 (a1 ) f2 (a2 ) ... ... ) fj (a1 ) fj (a2 ) ... ... ) fk (a1 ) fk (a2 ) f1 (ai ) f2 (ai ) ... fj (ai ) ... fk (ai ) f1 (an ) φ1 f2 (an ) φ2 ... fj (an ) φj ... fk (an ) φk In each generation, a ranking changes the fitness of individuals with their environment. In classical GAs, the fitness of an individual is independent of the other individuals that constitute the population. There is no direct feedback from the environment to the fitness of the individual, which remains constant and unaffected by their environment.

Thus, workers acquire multiple skills leading to higher motivation, improved quality of products and increased flexibility. Parallel Stations. With high production rates, the longest task time sometimes exceeds the specified cycle time. A common remedy is to create stations with parallel or serial posts, where two or more workers perform an identical set of tasks. 8). Parallel Lines. It is common to duplicate the entire AL when the demand is high enough. This has the advantage of shortening the AL, but may require more equipment and tooling.

In the following, we will review some of the main Paretobased approaches. Pareto-based Fitness Assignment. Goldberg [57] suggested the use of non-domination ranking and selection to move a population toward the Pareto front in a MOP. The author suggested the use of some kind of niching (maintain individuals along the non-dominated frontier) to keep GAs from converging to a single point on the front. Multiple-objective Genetic Algorithm. Fonseca and Fleming [49] proposed a scheme in which the rank of a certain individual corresponds to the number of chromosomes in the current population by which it is dominated.

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