1. Wu, C.S., Wang, L., Ren, W.J.: Plasma arc welding process, sensing, control and modeling. J. Manuf. Pro. 16(1), 74–85 (2014)
2. Benyounis, K.Y., Olabi, A.G.: Optimization of different welding processes using statistical and numerical approaches. Adv. Eng. Softw. 39, 483–496 (2008)
3. Datta, S., Bandyopadhyay, A., Pal, P.K.: Grey-based Taguchi method for optimization of bead geometry in submerged arc bead-on-plate welding. Int. J. Adv. Manuf. Technol. 39, 1136–1143 (2008)
4. Rowlands, H., Antony, J., Knowles, G.: An application of experimental design for process optimization. TQM Magazine 12(2), 78–83 (2000)
5. Ganesh, K.C., Balasubramanian, K.R., Vasudevan, M., Vasantharaja, P., Chandrasekhar, N.: The Minerals, Metals & Materials Society and ASM International (2016)