Basic study on upright stability of a small wheel bicycle with steer-by-wire system

From the view point of the environmental protection and convenience for transportation, a bicycle is one of the effective forms of the personal mobility vehicles. It is known that a small wheel bicycle running at low speed has less upright stability. In this study, Steer-by-Wire system is used to st...

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Main Authors: Kazuki TANI, Chihiro NAKAGAWA, Atsuhiko SHINTANI, Tomohiro ITO
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2016-05-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/82/837/82_15-00648/_pdf/-char/en
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author Kazuki TANI
Chihiro NAKAGAWA
Atsuhiko SHINTANI
Tomohiro ITO
author_facet Kazuki TANI
Chihiro NAKAGAWA
Atsuhiko SHINTANI
Tomohiro ITO
author_sort Kazuki TANI
collection DOAJ
description From the view point of the environmental protection and convenience for transportation, a bicycle is one of the effective forms of the personal mobility vehicles. It is known that a small wheel bicycle running at low speed has less upright stability. In this study, Steer-by-Wire system is used to steer and stabilize a small wheel bicycle. In a bicycle with Steer-by-wire system, the mechanical connection between handlebar and steer-assembly is replaced by electronic connection with actuators, sensors and a controller. The system can enhance the upright stability of a bicycle by a control system. This study aims to enhance the upright stability of a small wheel bicycle at low speed. Firstly, we conducted the eigenvalue analysis to evaluate the upright stability of a bicycle and examined the difference of the stability between a bicycle with normal wheel and a small wheel one. Secondly, we designed the mechanism of Steer-by-Wire system and examined the effectiveness of Steer-by-Wire system in a small wheel bicycle. Finally, we investigated the behavior of a small wheel bicycle with Steer-by-Wire system when the system is subjected to disturbance torque. As a result, we found that Steer-by-Wire system could enhance the upright stability of a small wheel bicycle at a low speed.
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spelling doaj.art-0443c514d6d548d994261e191c748d842022-12-22T04:35:16ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612016-05-018283715-0064815-0064810.1299/transjsme.15-00648transjsmeBasic study on upright stability of a small wheel bicycle with steer-by-wire systemKazuki TANI0Chihiro NAKAGAWA1Atsuhiko SHINTANI2Tomohiro ITO3Graduate School of Engineering, Osaka Prefecture UniversityCollege of Engineering, Osaka Prefecture UniversityCollege of Engineering, Osaka Prefecture UniversityCollege of Engineering, Osaka Prefecture UniversityFrom the view point of the environmental protection and convenience for transportation, a bicycle is one of the effective forms of the personal mobility vehicles. It is known that a small wheel bicycle running at low speed has less upright stability. In this study, Steer-by-Wire system is used to steer and stabilize a small wheel bicycle. In a bicycle with Steer-by-wire system, the mechanical connection between handlebar and steer-assembly is replaced by electronic connection with actuators, sensors and a controller. The system can enhance the upright stability of a bicycle by a control system. This study aims to enhance the upright stability of a small wheel bicycle at low speed. Firstly, we conducted the eigenvalue analysis to evaluate the upright stability of a bicycle and examined the difference of the stability between a bicycle with normal wheel and a small wheel one. Secondly, we designed the mechanism of Steer-by-Wire system and examined the effectiveness of Steer-by-Wire system in a small wheel bicycle. Finally, we investigated the behavior of a small wheel bicycle with Steer-by-Wire system when the system is subjected to disturbance torque. As a result, we found that Steer-by-Wire system could enhance the upright stability of a small wheel bicycle at a low speed.https://www.jstage.jst.go.jp/article/transjsme/82/837/82_15-00648/_pdf/-char/ensteer-by-wirebicyclesmall wheelstabilizing controlpersonal mobility vehicle
spellingShingle Kazuki TANI
Chihiro NAKAGAWA
Atsuhiko SHINTANI
Tomohiro ITO
Basic study on upright stability of a small wheel bicycle with steer-by-wire system
Nihon Kikai Gakkai ronbunshu
steer-by-wire
bicycle
small wheel
stabilizing control
personal mobility vehicle
title Basic study on upright stability of a small wheel bicycle with steer-by-wire system
title_full Basic study on upright stability of a small wheel bicycle with steer-by-wire system
title_fullStr Basic study on upright stability of a small wheel bicycle with steer-by-wire system
title_full_unstemmed Basic study on upright stability of a small wheel bicycle with steer-by-wire system
title_short Basic study on upright stability of a small wheel bicycle with steer-by-wire system
title_sort basic study on upright stability of a small wheel bicycle with steer by wire system
topic steer-by-wire
bicycle
small wheel
stabilizing control
personal mobility vehicle
url https://www.jstage.jst.go.jp/article/transjsme/82/837/82_15-00648/_pdf/-char/en
work_keys_str_mv AT kazukitani basicstudyonuprightstabilityofasmallwheelbicyclewithsteerbywiresystem
AT chihironakagawa basicstudyonuprightstabilityofasmallwheelbicyclewithsteerbywiresystem
AT atsuhikoshintani basicstudyonuprightstabilityofasmallwheelbicyclewithsteerbywiresystem
AT tomohiroito basicstudyonuprightstabilityofasmallwheelbicyclewithsteerbywiresystem