Integration of QFD, AHP, and TRIZ for multipurpose bookshelf innovative design

Mohd Taufik, Noor Hidayah (2022) Integration of QFD, AHP, and TRIZ for multipurpose bookshelf innovative design. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The bookshelf is a common product in daily life. Most cities face problems as their populations continue to rise while human needs stay constant or expand where citizens are being pushed into less space as cities expand and marketing prices rise. These issues result in the appearance of small houses, flats and small building company which fail to provide spaces with quality and comfort. This project's primary purpose is to design and develop a multipurpose bookshelf that satisfies customers’ requirements and solves problems such as limited space and limited function furniture. To design a multipurpose bookshelf that meets customer requirements, the Quality Function Deployment (QFD) method is applied. It is a method that helps to collect opinions from customers and translate the respondents’ requirements into technical characteristics. So, the integrated QFD method, the Analytic Hierarchy Process (AHP) and the Theory of Inventive Problem Solving (TRIZ) method is distributed throughout the project. At the early stage of this project, a questionnaire survey is carried out as preliminary research to define the customers’ requirements. These customers’ needs are ranked according to their technical characteristics through AHP pairwise comparison matrix. This method's primary tools are the House of Quality (HOQ), where all of these data will be recorded and calculated inside it. Then, the TRIZ 39 Parameters and 40 Inventive Principle is then used to identify a suitable solution for the design concept. In conclusion, concept 3 (Lauve) is selected through complete HOQ since this concept obtained the highest relative importance. Based on the survey result, there are more than 70% of respondents think that this multipurpose bookshelf set helps to save space. Overall, these three methods are used to innovate the multipurpose bookshelf design that satisfies the user's demand while minimizing the space used.

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