Artificial intelligence model to predict surface roughness of Ti-15-3 alloy in EDM process
Conventionally the selection of parameters depends intensely on the operator’s experience or conservative technological data provided by the EDM equipment manufacturers that assign inconsistent machining performance. The parameter settings given by the manufacturers are only relevant with common s...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
World Academy of Science, Engineering and Technology
2011
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/50011/ http://irep.iium.edu.my/50011/ http://irep.iium.edu.my/50011/1/P49b_2011_UMP.pdf |
| Summary: | Conventionally the selection of parameters depends
intensely on the operator’s experience or conservative technological data provided by the EDM equipment manufacturers that assign inconsistent machining performance. The parameter settings given by
the manufacturers are only relevant with common steel grades. A single parameter change influences the process in a complex way. Hence, the present research proposes artificial neural network (ANN) models for the prediction of surface roughness on first commenced Ti-15-3 alloy in electrical discharge machining (EDM) process. The
proposed models use peak current, pulse on time, pulse off time and
servo voltage as input parameters. Multilayer perceptron (MLP) with three hidden layer feedforward networks are applied. An assessment is carried out with the models of distinct hidden layer. Training of the models is performed with data from an extensive series of
experiments utilizing copper electrode as positive polarity. The predictions based on the above developed models have been verified with another set of experiments and are found to be in good agreement with the experimental results. Beside this they can be
exercised as precious tools for the process planning for EDM.
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