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근육 및 디스크 강성을 고려한 착석 자세에서의 인체 진동 모델 개발Development of a human vibration model in sitting posture considering stiffness of intervertebral discs and muscles
- Other Titles
- Development of a human vibration model in sitting posture considering stiffness of intervertebral discs and muscles
- Issue Date
- Nov-2015
- Publisher
- 대한기계학회
- Keywords
- Human Vibration Model(인체 진동 모델); Muscle Model(근육 모델); Apparent Mass(겉보기 질량); Acceleration transmissibility(가속도 전달률)
- Citation
- 대한기계학회 창립 70주년 기념 학술대회, pp.2178 - 2180
- Indexed
- OTHER
- Journal Title
- 대한기계학회 창립 70주년 기념 학술대회
- Start Page
- 2178
- End Page
- 2180
- Abstract
- Most of human vibration models consist of some rigid bodies and spring-dampers. These vibration models are developed for specific conditions. So, the vibration models cannot be applied for various posture and conditions. Therefore, the purpose of the present study is to develop a human vibration model that can be used in various conditions. To do this, we developed vibration model that is similar to the human musculoskeletal system. Muscle models are employed instead of spring-dampers. Activations of muscles are determined by PD controller to maintain body posture under vertical vibration is applied from chair. Gain values of the PD controller are obtained to minimize difference of apparent mass and acceleration transmissibility between experiment and analysis by using an optimization method. Stiffness of intervertebral discs and viscera are modeled as spring-dampers.
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Collections - 서울 공과대학 > 서울 기계공학부 > 1. Journal Articles
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