How Genetic Algorithms Handle Pareto-Optimality in Design and Manufacturing

How Genetic Algorithms Handle Pareto-Optimality in Design and Manufacturing

N. Chakraborti
DOI: 10.4018/978-1-59140-984-7.ch031
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An informal analysis is provided for the basic concepts associated with multi-objective optimization and the notion of Pareto-optimality, particularly in the context of genetic algorithms. A number of evolutionary algorithms developed for this purpose are also briefly introduced, and finally, a number of paradigm examples are presented from the materials and manufacturing sectors, where multi-objective genetic algorithms have been successfully utilized in the recent past.

Key Terms in this Chapter

Magneto-Rheological Fluid: A smart material for engineering applications. Its physical and mechanical properties can be tailor-made by adjusting a magnetic field.

Non-Calculus-Type Algorithms: The optimization algorithms that do not require any derivatives or gradient information. Commonly used to describe genetic and evolutionary algorithms.

Yankee: A device used in the paper mills which essentially is a very large heated cylinder with a highly polished surface.

Classical Techniques: Multi-objective optimization routines that are not evolutionary in nature. Most are based upon rigid mathematical principles and are commonly gradient based.

Superalloy: A specially designed category of multi-component alloys used in advanced engineering applications.

Crown: A quantifier for the surface flatness of the rolled metal sheets.

Guillotine Cutting: Edge-to-edge cutting of materials, most commonly metals.

Pareto-Optimality: The concept of the family of optimized solutions for a multi-objective problem proposed by Vilfredo Pareto (1848-1923 AU17: The in-text citation "Vilfredo Pareto (1848-1923" is not in the reference list. Please correct the citation, add the reference to the list, or delete the citation. ).

Continuous Stirred Tank Reactor (CSTR): A specially designed agitated vessel used for carrying out chemical reactions.

William and Otto Chemical Plant: A hypothetical chemical plant used as a common test problem in chemical engineering literature.

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