Multi-objective optimization approach for cost management during product design at the conceptual phase

Authors

1 Department of Mechanical Engineering, School of Engineering, G.V.P. Technical Campus, Gayatri Vidya Parishad College for Degree and P.G. Courses, Vishakhapatnam, India

2 Department of Mechanical Engineering, Andhra University, Vishakhapatnam, India

3 Department of Mechanical Engineering, Govt. Polytechnic, Paderu, India

Abstract

The effective cost management during the conceptual design phase of a product is essential to develop a product with minimum cost and desired quality. The integration of the methodologies of quality function deployment (QFD), value engineering (VE) and target costing (TC) could be applied to the continuous improvement of any product during product development. To optimize customer satisfaction and total cost of a product, a mathematical model is established in this paper. This model integrates QFD, VE and TC under multi-objective optimization frame work. A case study on domestic refrigerator is presented to show the performance of the proposed model. Goal programming is adopted to attain the goals of maximum customer satisfaction and minimum cost of the product.

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