Ergonomics Design Of Walking Chair For Disable Children In Classroom

Bakri, Nur Nadiha Tasha (2019) Ergonomics Design Of Walking Chair For Disable Children In Classroom. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this research project is to design and perform structural and ergonomics analysis on the walking device for the children with physical disabilities. In accomplishing this study, the literature review was implemented and there are few types of method that have been conducted such as internet research, concept design, concept selection, detail design and software analysis. For the first stage, all of the information or research data for this study have been gathered as the reference. Next, the further study is continued based on the information collected from the observation and interview at Pusat Pemulihan Dalam Komuniti (PDK). The information and data must be related to the objective of the research project. The research is carried on by studying the existing conceptual design of the walking device. The purpose of study the existing concept design is to find the solution based on customer requirement. The ideas of new conceptual design were generated based on the observation and survey at PDK. Moreover, the next stage is analysis of the design. For this project, there are two types of analysis which are Finite Element Analysis and RULA Analysis. Both of this analysis can be performed by using the CATIA analysis software. The selection of material and the load acting on the parts are the main things to consider in order to calculate the factor of safety. RULA analysis is used to investigate the position of body when using the walking device. This analysis will determine either the device is safe to use or not. For this project there are two mannequin used which are man and woman. The result obtained from existing design of standing shows the final score 3 in standing and sitting position. Regarding to the result, the design concept design was created for the improvement. After improvement have been make, the final score for standing, sitting and pushing position is 2 so, the conceptual design was accepted. The study was concluded by finding the future research limitation and identifies the current limitation of the product design

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