Using integrated quality function deployment and theory of innovation problem solving approach for ergonomic product design |
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| Affiliation: | 1. College of Art and Design, Yanshan University, Qinhuangdao 066004, China;2. School of Mechatronics Engineering, Nanchang University, Nanchang 330031, China;1. Department of Crafts and Design, National Taiwan University of Arts, Taiwan, ROC;2. Graduate School of Creative Industry Design, National Taiwan University of Arts, Taiwan, ROC;3. Department of Industrial and Commercial Design, National Taiwan University of Science and Technology, Taiwan, ROC;1. College of Mechanical Engineering, Yangzhou University, Huayang West Road 179, Hanjiang District, Yangzhou, 225009, China;2. Agricultural College of Yangzhou University, Wenhui East Road 12, Yangzhou, 225009, China;1. Bharat Heavy Electrical Limited, Tiruchirappalli 620014, India;2. Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli 620015, India;1. College of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing, 210037, Jiangsu, China;2. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, China;3. School of Art and Design, Nottingham Trent University, Nottingham, NG1 4FQ, UK;4. College of Art and Design, Nanjing Audit University Jinshen College, Xianlin Caddesi 100, Nanjing, 210023, China;1. Lappenranta University of Technology, School of Business and Management, Skinnarilankatu 34, 53850 Lappeenranta, Finland;2. Free University of Bozen/Bolzano, Faculty of Science and Technology, Piazza Università 5/Universitätplatz, 5–39100 Bolzano/Bozen, Italy |
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| Abstract: | A multidisciplinary approach integrating method of identification of customer satisfaction needs (CSNs), the House of Quality (HoQ) chart of quality function deployment (QFD), theory of innovation problem solving (TRIZ) and fuzzy group decision-making theory for ergonomic product innovative design and evaluation in the early design stages was proposed. An integrated model and the approach procedures consists of four steps. In step 1, identification of CSNs is based on a data source triangulation approach, questionnaire survey, 5-point liner numeric rating scale, factor analysis, and Cronbach’s coefficient alpha statistic are utilized to guarantee that the CSNs are complete and reliable. In step 2, a correlation matrix is built to identify the critical ergonomic design areas and the key problems are established by analysis of the negative relationships obtained from interrelationship half-matrix at the roof of the HoQ. In step 3, to solve the problems, TRIZ main tools and contradiction analysis are utilized. Several innovative alternatives are generated by combining appropriate Inventive Principles of TRIZ, the critical ergonomic design areas and the ergonomic design principles. In step 4, a general and easy fuzzy group decision-making method for evaluating of the best design alternatives is presented. A case study of the integrated kitchen stove innovative design and evaluation is conducted to demonstrate the applicability of the proposed approach. |
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| Keywords: | Theory of innovation problem solving (TRIZ) House of Quality (HoQ) Quality function deployment (QFD) Ergonomic product innovative design Customer satisfaction needs (CSNs) Fuzzy group decision-making |
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