이산화 체인 모델을 이용한 자전거 변속 과도상태 해석
A Transient Analysis in Bicycle Shifting using A Discrete Chain Model
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This article deals with the transient analysis in bicycle shifting using a discrete chain model. Among the various componentsof a bicycle, we focused in the power-transmissions on the contact points between the chain element and sprocket. And byimposing kinematic motions on the front and rear derailleurs, we analyzed the shifting mechanism for increasing the rotationalspeed of rear wheel. In order to build the dynamic analysis model, we first tore down the real bicycle and measured each component'sdesign parameters. Then we made 3-dimensional CAD models for each component related to the power transmission of a bicycle. Using the converted 3-dimensional dynamic model for the simulation program, we performed non-shifting and shifting dynamicanalysis. As a result, we investigated the dynamic behaviors of a discrete chain model focused on the interaction between thechain and sprocket wheel.
Abstract
This article deals with the transient analysis in bicycle shifting using a discrete chain model. Among the various componentsof a bicycle, we focused in the power-transmissions on the contact points between the chain element and sprocket. And byimposing kinematic motions on the front and rear derailleurs, we analyzed the shifting mechanism for increasing the rotationalspeed of rear wheel. In order to build the dynamic analysis model, we first tore down the real bicycle and measured each component'sdesign parameters. Then we made 3-dimensional CAD models for each component related to the power transmission of a bicycle. Using the converted 3-dimensional dynamic model for the simulation program, we performed non-shifting and shifting dynamicanalysis. As a result, we investigated the dynamic behaviors of a discrete chain model focused on the interaction between thechain and sprocket wheel.
참고문헌 (7)
- Hibbeler, R. C., "Engineering Mechanics Dynamics" (2011), Prentice Hall
- Hong, J. P., "Mechanical Design" (2005), Bookshill
- MSC Software, "Complete Multibody Dynamics Analysis with Adams", ~ (2013)
- Kwon, T. W., "Dynamic Simulation on the Shifting Mechanism of a Bicycle using ADAMS", MSC Korea User Conference (2013)
- 김정윤, "AMT용 새로운 변속자동 메커니즘 설계 및 해석", 산업경영시스템학회지, 34(4), pp.66~71 (2011), 한국산업경영시스템학회
- 김진곤, "보행자 다리 하체 모형의 차량 충돌해석", 산업경영시스템학회지, 35(2), pp.52~56 (2012), 한국산업경영시스템학회