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근육 및 디스크 강성을 고려한 착석 자세에서의 인체 진동 모델 개발

Title
근육 및 디스크 강성을 고려한 착석 자세에서의 인체 진동 모델 개발
Other Titles
Development of a human vibration model in sitting posture considering stiffness of intervertebral discs and muscles
Author
유홍희
Keywords
Human Vibration Model; Muscle Model; Apparent Mass; Acceleration transmissibility; 인체 진동 모델; 근육 모델; 겉보기 질량; 가속도 전달률
Issue Date
2015-11
Publisher
대한기계학회
Citation
대한기계학회 창립 70주년 기념 학술대회, 2015.11, Page. 2178-2180
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.
URI
http://www.dbpia.co.kr/Article/NODE06576036http://hdl.handle.net/20.500.11754/28906
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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