Optimizing a disassembly process involves maximizing the number of disassembled valuable parts (cores) and minimizing the number of disassembly operations. Usually, some disassembly operations are in common among two or more cores, or sometimes removing a core requires prior removal of other cores (known as precedence relations); these correlations complicate the allocation of the disassembly cost to the cores. To overcome this complexity, the current optimization methods (decision trees) determine the optimum sequence of disassembly operations rather than the optimum set of cores to be disassembled. These methods become difficult to implement when the number of cores increases. In this paper, we developed a mechanized nongraphical approach to determine the optimum set of cores to be disassembled and their required disassembly operations based on the functionality statuses of the cores. This approach introduces a new characterization of the disassembly process and its precedence relations, and can be implemented conveniently using computer codes even when the product consists of many cores. The application of the method is explained with an example. Using this example, it was shown that the optimum disassembly can increase the net profit significantly compared with the complete disassembly.
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1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
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February 2013
Research-Article
A Nongraphical Method to Determine the Optimum Disassembly Plan in Remanufacturing
Niloufar Ghoreishi,
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
Niloufar Ghoreishi
1
Adjunct Professor of Engineering,
WUSTL/UMSL Joint Engineering Program,
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: ng1@seas.wustl.edu
WUSTL/UMSL Joint Engineering Program,
Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: ng1@seas.wustl.edu
Research Assistant Professor
of Biomedical Engineering
,Biomedical Engineering Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
1Corresponding author.
Search for other works by this author on:
Mark J. Jakiela,
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
Mark J. Jakiela
Hunter Professor of Mechanical Design,
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: mjj@seas.wustl.edu
Mechanical Engineering and
Materials Science Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: mjj@seas.wustl.edu
Research Assistant Professor
of Biomedical Engineering
,Biomedical Engineering Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
Search for other works by this author on:
Ali Nekouzadeh
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
Ali Nekouzadeh
Research Assistant Professor
of Biomedical Engineering
,Biomedical Engineering Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
Search for other works by this author on:
Niloufar Ghoreishi
Adjunct Professor of Engineering,
WUSTL/UMSL Joint Engineering Program,
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: ng1@seas.wustl.edu
WUSTL/UMSL Joint Engineering Program,
Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: ng1@seas.wustl.edu
Research Assistant Professor
of Biomedical Engineering
,Biomedical Engineering Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
Mark J. Jakiela
Hunter Professor of Mechanical Design,
1 Brooking Dr.,
St. Louis, MO 63130
e-mail: mjj@seas.wustl.edu
Mechanical Engineering and
Materials Science Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: mjj@seas.wustl.edu
Research Assistant Professor
of Biomedical Engineering
,Biomedical Engineering Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
Ali Nekouzadeh
Research Assistant Professor
of Biomedical Engineering
,Biomedical Engineering Department
,Washington University in St. Louis
,1 Brooking Dr.,
St. Louis, MO 63130
e-mail: nekouzadeh@wustl.edu
1Corresponding author.
Contributed by the Design Automation Committee of ASME for publication in the Journal of Mechanical Design. Manuscript received January 30, 2012; final manuscript received October 20, 2012; published online December 10, 2012. Assoc. Editor: Bernard Yannou.
J. Mech. Des. Feb 2013, 135(2): 021002 (13 pages)
Published Online: December 10, 2012
Article history
Received:
January 30, 2012
Revision Received:
October 20, 2012
Citation
Ghoreishi, N., Jakiela, M. J., and Nekouzadeh, A. (December 10, 2012). "A Nongraphical Method to Determine the Optimum Disassembly Plan in Remanufacturing." ASME. J. Mech. Des. February 2013; 135(2): 021002. https://doi.org/10.1115/1.4023001
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