Using QFD and TRIZ in innovation design at the portable foldable table

Mohd Zainuddin, Farhah Zahirah (2022) Using QFD and TRIZ in innovation design at the portable foldable table. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays there are a lot of foldable tables that have been designed by many designers. The purpose of this foldable table is literally to save space in the small or limited space. But there are a lot of foldable tables that was not easy to carry around and cannot be move easily. Basically, the night market worker have face this kind of problem which the table that they bring take a lot of space in their vehicle with all other belongings and market’s goods. This work will be more effective and can help the night market worker if we design the table which is not only can be folded but also easy to be carry around without putting a lot of effort on it. The portable foldable table needs to withstand all the load that being put on it. The process of making this portable foldable table is by focussing on the user need and what they prefer. The reason in designing the product is to make sure to fulfill all the requirements that the user wants. As a result, the portable foldable table should follow all the specification, function or design that have been decide and being take note so that we can solve the problem statements. To ensure that the design of the portable foldable table is in accordance with the target market, the designer will use a survey questionnaire. when making a survey questionnaire we will be able to know various things such as basic information and also the requirements that the user wants. After get all the requirement that user want then the designer can start make the HOQ and find the negative correlation so that the negative correlation can be solve by using Theory of Inventive Problem-Solving (TRIZ) method. The both QFD and TRIZ method have their own role. After get the negative correlation, the designer then use two famous tools in TRIZ which is 39 Parameters and 40 inventive principle. The designer need to find the parameters that suits both correlated criteria then after that will need to find the principle. From 3 or 4 principle there will be 1 or 2 principle that suits the portable foldable table. Then designer will start make the design direction. After we analyse the data of the questionnaire we can start make the design which fit the requirement given in design direction. In order ti choose the final design the designer will use pugh matrix to compare the 3 design that being sketch with the actual portable foldable table that available in market. After make the design validation its shows that both criteria which is “Easy to store” and “Function” have the highly satisfaction which is 80% of the respondents satisfy with both criteria. This shows that it fulfill all the objective of this project which want to save space and to overcome the difficulties due to the existing traditional furniture and the current portable foldable table by improving the function and attributes of the portable foldable table. This shows that this portable foldable table have solve the problem statement of this project In this project we could see that the integrated of both method can achieve the user needs and improvement of the design concept as both method is the main steps that could lead the designer to have the design direction and gain the final design of the product. Lastly, from this project also we could see that space saving, easy to convey by hand and other details design is what the businessman who works in night market are concerned about.

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