Abstract
Engine crankshafts are required to be balanced. The balance of a crankshaft is one of several parameters to be analyzed during the design of an engine, but certainly a poor balance leads to a low life time of the whole system. It is possible to optimize the balance of a crankshaft using CAD and CAE software, thanks to the new optimization tools based on Genetic Algorithms (GA) and tools for the integration of the CAD-CAE software. GAs have been used in various applications, one of which is the optimization of geometric shapes, a relatively recent area with high research potential. This paper describes a general strategy to optimize the balance of a crankshaft. A comparison is made among different tools used for the sustaining of this strategy. This paper is an extension of a previous paper by the authors [1] but now different tools are being included to improve the performance of the strategy. The analyzed crankshaft is modeled in commercial 3D parametric software. A Java interface included in the CAD software is used for evaluating the fitness function (the balance). Two GAs from different sources and platforms are used and then they are compared and discussed.
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Keywords
- Genetic Algorithm
- Fitness Function
- Multiobjective Optimization
- Pareto Frontier
- Multi Objective Genetic Algorithm
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References
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Cueva de Leon, Jose Maria. 2006. Automatic shape variations for optimization purposes. Master in Sciences thesis, Technologico de Monterrey (ITESM).
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© 2007 International Federation for Information Processing
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Albers, A., Leon, N., Aguayo, H., Maier, T. (2007). Comparison of Strategies for the Optimization/Innovation of Crankshaft Balance. In: León-Rovira, N. (eds) Trends in Computer Aided Innovation. IFIP The International Federation for Information Processing, vol 250. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-75456-7_20
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DOI: https://doi.org/10.1007/978-0-387-75456-7_20
Publisher Name: Springer, Boston, MA
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