Abstract
Ferrous metals can be cast economically in cement-bonded sand moulds with a good dimensional accuracy. In the present work, forward and reverse mappings were carried out in cement-bonded sand moulding system by utilizing three different fuzzy logic (FL)-based approaches. The mould properties, namely compression strength and mould hardness were predicted in forward mapping for a set of input parameters. The amount of cement, accelerator, water and testing time were considered as the input parameters. The reverse mapping is a convenient and effective tool to control the process, as it can be used to determine a set of input process parameters that will produce the desired output (also known as responses). Manually constructed Mamdani-based FL system is used in the first approach. The rule base and data base of the FL system constructed in approach 1 has been optimized in the second approach. Finally, GA was used in the third approach, for the automatic evolution of the FL system. The performances of the developed approaches were tested with the help of twenty test cases and found to be satisfactory for the cement-bonded sand mould system.
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Surekha, B., Vundavilli, P.R. & Parappagoudar, M.B. Forward and reverse mappings of the cement-bonded sand mould system using fuzzy logic. Int J Adv Manuf Technol 61, 843–854 (2012). https://doi.org/10.1007/s00170-011-3754-z
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DOI: https://doi.org/10.1007/s00170-011-3754-z