Dynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers position

In recent years, PMVs (Personal Mobility Vehicles) have been attracting attention as a new means of transportation. We focus on the three-wheeled PMV which has two front-wheel and one rear-caster. They are environmentally friendly without exhausting harmful gases. These vehicle bodies are relatively...

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Main Authors: Kosuke SATO, Chihiro NAKAGAWA, Atsuhiko SHINTANI
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2020-08-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/86/888/86_20-00009/_pdf/-char/en
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author Kosuke SATO
Chihiro NAKAGAWA
Atsuhiko SHINTANI
author_facet Kosuke SATO
Chihiro NAKAGAWA
Atsuhiko SHINTANI
author_sort Kosuke SATO
collection DOAJ
description In recent years, PMVs (Personal Mobility Vehicles) have been attracting attention as a new means of transportation. We focus on the three-wheeled PMV which has two front-wheel and one rear-caster. They are environmentally friendly without exhausting harmful gases. These vehicle bodies are relatively smaller than cars, so they have a high affinity for pedestrian space. However, depending on the specifications of the vehicle, there is a possibility that wheel lifts during turning because the weight of the vehicle is low. In this study, we proposed the model of the three-wheeled PMV with two front-wheel and one rear-caster. We discussed the validity of the modeling by comparing the numerical simulation and the experiments. In terms of the driving force of the front wheels, the modeling was generally valid when the velocity of the vehicle is low and the turning radius is large. However, in the opposite case, the centrifugal force of the driver during the turning becomes larger and the moment around the front wheels axle center point is generated. Then it is expected that more detailed analysis will be possible by considering the relationship between the centrifugal force received by the driver and the driving force of the motor in consideration of the driver’s behavior. From the parametric study, it was found that the normal forces of the wheels greatly changed depending on the riding position of the driver. The area of the risk of falling was shown.
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spelling doaj.art-a1335905b54d4836ad610a76cfa9e2fd2022-12-22T04:16:12ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612020-08-018688820-0000920-0000910.1299/transjsme.20-00009transjsmeDynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers positionKosuke SATO0Chihiro NAKAGAWA1Atsuhiko SHINTANI2Graduate School of Engineering, Osaka Prefecture UniversityGraduate School of Engineering, Osaka Prefecture UniversityGraduate School of Engineering, Osaka Prefecture UniversityIn recent years, PMVs (Personal Mobility Vehicles) have been attracting attention as a new means of transportation. We focus on the three-wheeled PMV which has two front-wheel and one rear-caster. They are environmentally friendly without exhausting harmful gases. These vehicle bodies are relatively smaller than cars, so they have a high affinity for pedestrian space. However, depending on the specifications of the vehicle, there is a possibility that wheel lifts during turning because the weight of the vehicle is low. In this study, we proposed the model of the three-wheeled PMV with two front-wheel and one rear-caster. We discussed the validity of the modeling by comparing the numerical simulation and the experiments. In terms of the driving force of the front wheels, the modeling was generally valid when the velocity of the vehicle is low and the turning radius is large. However, in the opposite case, the centrifugal force of the driver during the turning becomes larger and the moment around the front wheels axle center point is generated. Then it is expected that more detailed analysis will be possible by considering the relationship between the centrifugal force received by the driver and the driving force of the motor in consideration of the driver’s behavior. From the parametric study, it was found that the normal forces of the wheels greatly changed depending on the riding position of the driver. The area of the risk of falling was shown.https://www.jstage.jst.go.jp/article/transjsme/86/888/86_20-00009/_pdf/-char/enpmvthree-wheeled vehiclecastermodelingnumerical simulation
spellingShingle Kosuke SATO
Chihiro NAKAGAWA
Atsuhiko SHINTANI
Dynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers position
Nihon Kikai Gakkai ronbunshu
pmv
three-wheeled vehicle
caster
modeling
numerical simulation
title Dynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers position
title_full Dynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers position
title_fullStr Dynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers position
title_full_unstemmed Dynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers position
title_short Dynamic modeling of two front-wheel and one rear-caster PMV and effect of drivers position
title_sort dynamic modeling of two front wheel and one rear caster pmv and effect of drivers position
topic pmv
three-wheeled vehicle
caster
modeling
numerical simulation
url https://www.jstage.jst.go.jp/article/transjsme/86/888/86_20-00009/_pdf/-char/en
work_keys_str_mv AT kosukesato dynamicmodelingoftwofrontwheelandonerearcasterpmvandeffectofdriversposition
AT chihironakagawa dynamicmodelingoftwofrontwheelandonerearcasterpmvandeffectofdriversposition
AT atsuhikoshintani dynamicmodelingoftwofrontwheelandonerearcasterpmvandeffectofdriversposition