Automatic Generation of Product Disassembly Sequences

Subramani, Anantha K; Dewhurst, P.

doi:10.1016/s0007-8506(07)61947-7

Cited by 99 publications

(38 citation statements)

References 8 publications

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“…La planification du processus de désassemblage et la définition des séquences de désassemblage sont étudiées dans de nombreux travaux, parmi lesquels nous pouvons citer Subramani et Dewhurst (1991) Kalayci et Gupta (2013) traitent le cas de la détermina-tion de séquences de désassemblage dont les durées opératoires des tâches dépen-dent de l'ordre d'exécution de ces dernières. Une étude de planification du processus de désassemblage, prenant en compte le niveau de désassemblage et l'incertitude du temps global de désassemblage, a été réalisée dans (Tian et al, 2012).…”

Section: Revue De Littératureunclassified

Prise en compte de l’état des produits pour la planification de leur désassemblage

Bentaha¹,

Voisin²,

Marangé³

et al. 2016

Journal Européen des Systèmes Automatisés

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RÉSUMÉ. Dans ce travail, nous présentons une première étude sur la planification du processus de désassemblage prenant en compte les états ou qualité des produits à désassembler. Nous proposons une approche qui permet de définir le meilleur niveau de désassemblage en fonction du coût occasionné pour désassembler le produit et de l'état du produit et/ou les états de ses composants et sous-assemblages. L'état d'un produit est modélisé par le concept de Potentiel d'Utilisation Résiduel (PUR) pris comme variable aléatoire normale connue et tronquée. Le problème est modélisé sous forme de programme stochastique. L'objectif est de maximiser le profit du processus de désassemblage, qui est la différence entre les revenus des composants et sous-assemblages et les coûts des tâches de désassemblage. Les revenus sont définis comme fonctions de PUR. L'approche développée est testée sur deux exemples de la littérature pour analyser l'impact de l'état d'un produit sur la planification de son processus de désassemblage.ABSTRACT. This paper adresses the problem of disassembly process planning taking into account the quality or states of the product to be disassembled. We propose an approach which is able to return the best disassembly level for a product considering the disassembly cost and the state of the product and/or the states of its subassemblies or components. The state of the product is represented using the concept of « Potentiel d'Utilisation Résiduel (PUR) » which is assumed to be a Gaussian random variable with known truncated distribution. A stochastic program is proposed to model the problem with the objective of maximizing the disassembly process profit. The latter is calculated as the difference between the positive revenue generated by recovered parts and the costs of the disassembly tasks. The revenue of a recovered part is a function of PUR. The developed approach is tested on two example case studies from the literature to analyze the impact of uncertain product quality on its disassembly process planning.MOTS-CLÉS : désassemblage, désassemblage partiel, qualité produit, incertitudes.

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Section: Revue De Littératureunclassified

Prise en compte de l’état des produits pour la planification de leur désassemblage

Bentaha¹,

Voisin²,

Marangé³

et al. 2016

Journal Européen des Systèmes Automatisés

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“…In the literature, there are several ways of representing a product [9], using the complete knowledge of their components [10,11], using the geometric characteristics of the products and components [12], by means of a graph constructed using geometric, topological and functional data of the product [13], using a componentsconnections graph to represent the product and the subsequent transformation into a tree [14,15,16], by means of the relationship among groups of components, using clusters [17] with directed graphs, considering the nodes as components and the edges as the relationships among them [18] (using ''and/or graphs'' [19,20,21,22]). …”

Section: Modellingmentioning

confidence: 99%

Automatic PC disassembly for component recovery

Torres

Gil

Méndez

et al. 2004

The International Journal of Advanced Manufacturing Technology

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In this article, a personal computer disassembly cell is presented. With this cell, a certain degree of automatism is afforded for the non-destructive disassembly process and for the recycling of these kinds of mass-produced electronic products. Each component of the product can be separated. The disassembly cell is composed of several sub-systems, each of which is dedicated to the planning and execution of one type of task. A computer vision system is employed for the recognition and localisation of the product and of each of its components. The disassembly system proposed here also has a modelling system for the products and each of its components, the information necessary for the planning of tasks, generating the disassembly sequence and planning of the disassembly movements. These systems co-operate with each other to achieve a semi-automatic disassembly of the product.

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“…The plans are produced by a set of knowledge-base sources acting on a set of representations for the object. Subramani and Dewhurst [5] have investigated procedures which can be used to assess service diculties and cost early in the product design process. Central to their work is the generation of required disassembly sequences for the identi®ed service or items.…”

Section: Related Researchmentioning

confidence: 99%

“…For the example assembly, Fig. 16 shows the resultant SDR as each of the SDS are intersected with the cumulative SDR one by one, until the ®rst blocking surface, TIS 5 , is found. This is the result when Step 4 is executed on the example using TIS 1Ã as the starting point.…”

Section: Disassembly Step 3 Identify All Stismentioning

confidence: 99%

“…Therefore, a cutting operation is needed to remove TIS 5 from the rest of the TIS on g 1 . Since it has already been determined in step 4 that there exists a resultant direction of disassembly with respect to TIS 1 ±TIS 4 , a cutting position that severs TIS 5 from TIS 1 ±TIS 4 is sucient. This placement guarantees that the portion of the component g 1 that contains TIS 1 ± TIS 4 will be disassemblable after the cutting operation.…”

Section: Disassembly Step 3 Identify All Stismentioning

confidence: 99%

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Destructive disassembly to support virtual prototyping

Lee

Gadh

1998

IIE Transactions

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The design paradigm called virtual prototyping (VP) is important because of the need to manufacture products in a short period of time and in a cost eective manner. By replacing the building of physical prototypes for testing various design issues such as usability, life-cycle analysis, functionality and so on with so called``virtual models'' on a computer and analyzing them, virtual prototyping is achieved. One of the design issues that has become increasingly important is the``design-for-disassembly (DFD)'' paradigm. A well designed product that is easy to disassemble has the obvious advantages when it needs to be taken apart for service or end-of-life recycling. Therefore a design tool that can tie the DFD issues into a virtual prototyping system is of considerable interest. This paper attempts to address this particular issue in the virtual prototyping area: DFD as applied to VP. This paper presents an overview of a detailed DFD method. An algorithm that can be readily tied into a computer aided design system, therefore also useful for virtual prototyping, is discussed. Some implementation issues and an evaluation of the eectiveness of the DFD method currently employed are explained. Even though this research is still in its early stages, the paper presents a general framework of DFD methodology and its potential to be used as a virtual prototyping tool.

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Automatic Generation of Product Disassembly Sequences

Cited by 99 publications

References 8 publications

Prise en compte de l’état des produits pour la planification de leur désassemblage

Prise en compte de l’état des produits pour la planification de leur désassemblage

Automatic PC disassembly for component recovery

Destructive disassembly to support virtual prototyping

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