Abstract
The purpose of this study is to investigate the relationship between warp-knitted run-in values and process parameters such as yarn fineness, overlapping, underlapping, take-up density, total threading rate, and machine gauge. Run-in values of 52 samples with different process parameters were measured and analyzed in the method of response surface methodology (RSM) and multilayer perception (MLP). The results of RSM analysis show a significant influence of process parameters on warp-knitted run-in. Moreover, a predictive model is proposed base on the RSM, whose average error rate is confirmed to be 5.29%. In addition, the MLP analysis shows the sequence of influencing importance of process parameters form the high to low is underlapping (51.0%), overlapping (28.5%), take-up density (9.6%), machine gauge (4.7%), yarn fineness (4.0%), and total threading rate (2.2%).
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