Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds

碩士 === 國立交通大學 === 機械工程研究所 === 86 === The rear derailleur i the most complex component of a multi-speed bicycle.The function of the rear derailleur si to guide the chain precisely to a selected rear sprocket. Therefore, it is important to locate the positioos of the pulleys precisely.In this...

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Bibliographic Details
Main Authors:	Hung, Wei-Cheng, 洪偉成
Other Authors:	Hsu, Wen-Syang
Format:	Others
Language:	en_US
Published:	1998
Online Access:	http://ndltd.ncl.edu.tw/handle/22266449750605689659

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spelling	ndltd-TW-086NCTU34890242015-10-13T11:06:15Z http://ndltd.ncl.edu.tw/handle/22266449750605689659 Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds 自行車平面變素系統定轉速下之分析 Hung, Wei-Cheng 洪偉成碩士國立交通大學機械工程研究所 86 The rear derailleur i the most complex component of a multi-speed bicycle.The function of the rear derailleur si to guide the chain precisely to a selected rear sprocket. Therefore, it is important to locate the positioos of the pulleys precisely.In this study, a mathematical model with uniform chain speed for the planar derailleur system is developed. The planar positions of the guide pulley and the tension pulley at different chain apeed are determined by using geometrical and force analysis. The simulation results of the planar positions of the pulleys and the experimental results at different speed ratios and different chain speeds are similar. The results also prove that the effect of the centrifugal force and the mathematical model of slack length are useful to improve the mathematical model. Hsu, Wen-Syang 徐文祥 1998 學位論文 ; thesis 49 en_US
collection	NDLTD
language	en_US
format	Others
sources	NDLTD
description	碩士 === 國立交通大學 === 機械工程研究所 === 86 === The rear derailleur i the most complex component of a multi-speed bicycle.The function of the rear derailleur si to guide the chain precisely to a selected rear sprocket. Therefore, it is important to locate the positioos of the pulleys precisely.In this study, a mathematical model with uniform chain speed for the planar derailleur system is developed. The planar positions of the guide pulley and the tension pulley at different chain apeed are determined by using geometrical and force analysis. The simulation results of the planar positions of the pulleys and the experimental results at different speed ratios and different chain speeds are similar. The results also prove that the effect of the centrifugal force and the mathematical model of slack length are useful to improve the mathematical model.
author2	Hsu, Wen-Syang
author_facet	Hsu, Wen-Syang Hung, Wei-Cheng 洪偉成
author	Hung, Wei-Cheng 洪偉成
spellingShingle	Hung, Wei-Cheng 洪偉成 Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds
author_sort	Hung, Wei-Cheng
title	Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds
title_short	Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds
title_full	Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds
title_fullStr	Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds
title_full_unstemmed	Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds
title_sort	modeling of a planar derailleur system on bicycles with uniform chain speeds
publishDate	1998
url	http://ndltd.ncl.edu.tw/handle/22266449750605689659
work_keys_str_mv	AT hungweicheng modelingofaplanarderailleursystemonbicycleswithuniformchainspeeds AT hóngwěichéng modelingofaplanarderailleursystemonbicycleswithuniformchainspeeds AT hungweicheng zìxíngchēpíngmiànbiànsùxìtǒngdìngzhuǎnsùxiàzhīfēnxī AT hóngwěichéng zìxíngchēpíngmiànbiànsùxìtǒngdìngzhuǎnsùxiàzhīfēnxī
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Modeling of A Planar Derailleur System on Bicycles with Uniform Chain Speeds

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