Fuzzy orthogonal optimization for determining the optimal resistance spot welding parameters
Resistance spot welding (RSW) is one of the most commonly used form of manufacturing process.It is difficult to determine the RSW parameters for achieving optimal tensile strength of welded joints because they are influenced by many interacting and uncertain factors.To reduce the time and costs of experiment,a fuzzy orthogonal design-of-experiment (DoE) methodology is proposed to explore the optimal parameter settings for a novel RSW control technique.The fuzzy orthogonal test detects the overlapping zone of diverse levels of two arbitrary factors,highlights the factors which exert most or least significant influence on the experimental result,and identifies the varying tendencies of the factors influences on the experimental results.The fuzzy orthogonal test draws more information from the data collected for conventional orthogonal DoE without any additional experimentation,and the necessary experimentation samples are minimized correspondingly.Detailed design and analyzing process of the fuzzy orthogonal test are presented.The case study shows that fuzzy orthogonal DoE outperforms the traditional orthogonal experimentation design.
Fuzzy orthogonal test design of experiment(DoE) resistance spot welding(RSW) constant power control
Zhao Yuanshen Gong Liang Liu Cheng-liang
Institute of Mechatronics, Shanghai Jiao Tong University, Shanghai, China
国际会议
上海
英文
293-293
2012-10-19（万方平台首次上网日期，不代表论文的发表时间）