Curriculum Vitaes

Sumiaki Ohtsuyama

  (大津山 澄明)

Profile Information

Affiliation
Professor, Faculty of Engineering, Department of Mechanical Engineering for Transportation, Osaka Sangyo University
Degree
博士(工学)(金沢大学)

Researcher number
90612680
J-GLOBAL ID
201201057954269413
researchmap Member ID
7000001165

Papers

 30
  • OHTSUYAMA Sumiaki, ASADA Haruka, HARADA Yuhei
    Journal of Osaka Sangyo University, Natural Sciences, No.131, 2021.3, 131(131) 47-58, Mar 31, 2021  Peer-reviewed
    The vibration of the bogie and the car body becomes remarkable with the speedup of the train, and there are effects, such as safety, riding comfort, rails or ground facilities. This is a very important problem. The problem of vibration in railway vehicles is a very important matter in terms of safety and riding comfort, and a detailed analysis is required. Our experiment was carried out using the roller rig model equipment in 4 kinds of wheel tread gradient (1/10 to 1/40). The vibration of the railway vehicle is mainly caused by wheels and bogies running on the rail, and it is transmitted to the car body. Of great concern is the danger of derailment, when the hunting occurs at high speed and it has an adverse effect on riding comfort. In this paper, the hunting or phenomenon of railway vehicle generated at high running speed in comparison to low speed is verified using the roller rig model equipment. The purpose of this study is to clarify the relation with the natural vibration of the car body from the viewpoint of the bogie hunting phenomenon.
  • OHTSUYAMA Sumiaki
    交通と統計, (62) 50-65, Jan 29, 2021  Peer-reviewed
    1928年に創立された「大阪鉄道学校」の設立の経緯とその後の大学移行について概観し、そこで行われた鉄道教育を振り返り、今後のあるべき姿を展望した。
  • OHTSUYAMA Sumiaki, ASADA Haruka
    JREA, 62(3) 57-60, Mar 1, 2019  Peer-reviewed
    現在鉄道駅での車いす利用時は、乗車時に駅員による渡し板設置と付き添え人が必要だが、前方大車輪式車いすを使うことで単独乗降が容易になる。また、段差等価勾配角度の導入により定量的に乗降可能な段差高さを検証した。
  • ASADA Haruka, OHTSUYAMA Sumiaki
    Transactions of the JSME(in Japanese), 84(866) 1-13, Oct 25, 2018  Peer-reviewed
    We aim to propose a wheelchair that can be utilized at the time of a disaster or after disaster.It is possible to reduce the load exerted on the body by using a tire with less electric sassistance or less resistance.
  • ITH Hiroaki, ASADA Haruka, OHTSUYAMA Sumiaki
    Jounal of Osaka Sagyo University,Natural Science,No129,2018.6, (129) 19-30, Jun 30, 2018  Peer-reviewed
    An analysis of railway vehicle behavior was carried out using the roller rig model.In particular,this included checking for hunting.Changing the whell tread gadient,some experiments were conducted,and a comparison was made with the hunting theoretical value.

Presentations

 30

Professional Memberships

 1

Industrial Property Rights

 1

研究テーマ

 2
  • 研究テーマ(英語)
    車椅子などの性能改善
    研究期間(開始)(英語)
    2013/04/01
  • 研究テーマ(英語)
    鉄道車両の運動および振動の解析
    キーワード(英語)
    鉄道車両,車両運動,車両振動,運動解析,振動解析
    概要(英語)
    鉄道車両の運動および振動の解析