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다국어 초록 (Multilingual Abstract)

Objective:The aim of this study is to propose a safety design guideline for a tricycle tandem for two persons for the elderly and persons with disability through standard survey and dynamics simulation.
Background: In this recent, the issue of leisure and quality of life for the elderly has become more important due to the aging population. It has been found that the elderly and persons with disability prefer to ride a tricycle outdoors as a leisure activity to enjoy with family and friends. Most of the tricycles they can enjoy together are imported products and have not been developed in consideration of the domestic use environment, so research on their safety is needed.
Method: In this study, in order to propose a safety design guideline for a tricycle tandem for two persons, the Korean standard (KS) was investigated to derive, and 10 major safety design factors were derived from the four related standards. And the importance of safety design factors was analyzed using the AHP (Analytic Hierarchy Process) method. In addition to the dynamics simulation of steering, safety design guidelines for 10 major safety design factors have been proposed.
Results: In the results of the importance analysis (AHP) between the 10 safety design factors derived through the survey of existing standards, 'braking performance (importance 0.223)' was identified as the most important design factor. And secondly, 'steering angle and stability (importance 0.137)'. In the result of the dynamics simulation for steering angle and stability factor, the risk of overturning increased as the driving speed and steering angle increased, and overturning occurred when turning to 12 deg while driving at a speed of 20km/h.
Conclusion: In this study, 10 major safety design factors related to a tricycle tandem for two persons were derived from the existing standards, and design guidelines (checklists) were defined by them. In addition, among the high-priority factors, the dynamics simulation was performed on the 'steering angle and stability' that requires specific design guidelines, and the conditions under which overturn occur were confirmed.
Application: It is expected to secure safety, develop multi-seater bikes, and develop assistive devices for leisure activities in localization of a tricycle tandem for a two persons for the elderly and persons with disability.

참고문헌 (Reference)

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