Aiming at the problem of the larger dependence on designers’ experience caused by lacking of modern design theory support in marine power plant concept design phase, the quality function deployment (QFD) and theory of invention problem solving (TRIZ) theory are proposed to be applied to the conceptual design of the marine power plant, and integration implementation method of QFD and TRIZ theory is studied. Furthermore, issues related to indexes access method, weighting method, confliction solution of the technical index as well as the fuzzy synthetic evaluation method are deeply studied in the process of implementing QFD and TRIZ theory to the design of marine power plant. Finally, conceptual design for the transmission system of combined diesel and diesel (CODAD) power plant based on QFD and TRIZ theory is studied as an example, which indicates that the application of QFD and TRIZ theory to the conceptual design of marine power plant is feasible and effective. The research can provide a new theoretical and technical method for the conceptual design of the marine power plant, which improves the design quality.
Key words
marine power plant /
conceptual design /
quality function deployment (QFD) /
theory of invention problem solving(TRIZ)
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