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      KCI등재 SCIE

      Optimization of Pivot Obliquity for a Foldable Bicycle

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      https://www.riss.kr/link?id=A103561074

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      다국어 초록 (Multilingual Abstract)

      The folding technology which enables bicycle to be carried and stored easily is divided into various folding mechanism according to the number of hinges and the direction of pivot axis. The single lateral pivot type foldable bicycle is considered a promising personal mobility since it allows quick and easy folding motion and access to public transit system. However, there are significant troubles in folding dimensions that both the front and rear wheels are arranged in a slanted way, and the folding width increases at the bottom. It is because the pivot axis is slanted from the exact lateral axis so that the interference between the front and rear wheel in the course of folding could be prevented. This study aims at designing the optimal pivot obliquity of a lateral pivot type of foldable bicycles to align both the front and rear wheels in parallel. The variables of the pivot axis obliquity were set as the azimuthal angle (ϕ) and polar angle (θ), and a parametric simulation was carried out. It is revealed that the azimuthal angle affect the alignment angle between the front and rear wheels, and optimal azimuthal angle could be derived which makes the alignment angle to 0o. The findings from this study will contribute to the popularization of foldable bicycles with excellent usability and smaller folding width.
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      The folding technology which enables bicycle to be carried and stored easily is divided into various folding mechanism according to the number of hinges and the direction of pivot axis. The single lateral pivot type foldable bicycle is considered a pr...

      The folding technology which enables bicycle to be carried and stored easily is divided into various folding mechanism according to the number of hinges and the direction of pivot axis. The single lateral pivot type foldable bicycle is considered a promising personal mobility since it allows quick and easy folding motion and access to public transit system. However, there are significant troubles in folding dimensions that both the front and rear wheels are arranged in a slanted way, and the folding width increases at the bottom. It is because the pivot axis is slanted from the exact lateral axis so that the interference between the front and rear wheel in the course of folding could be prevented. This study aims at designing the optimal pivot obliquity of a lateral pivot type of foldable bicycles to align both the front and rear wheels in parallel. The variables of the pivot axis obliquity were set as the azimuthal angle (ϕ) and polar angle (θ), and a parametric simulation was carried out. It is revealed that the azimuthal angle affect the alignment angle between the front and rear wheels, and optimal azimuthal angle could be derived which makes the alignment angle to 0o. The findings from this study will contribute to the popularization of foldable bicycles with excellent usability and smaller folding width.

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      참고문헌 (Reference)

      1 정태성, "대중교통 연계를 고려한 도심형 접이식 자전거 개발" 한국소성가공학회 22 (22): 42-47, 2013

      2 이필립, "고부가가치 자전거 개발을 위한 제품모델 및 관리시스템 개발" 대한기계학회 35 (35): 469-477, 2011

      3 윤순현, "Study of Several Design Parameters on Multi-blade Vertical Axis Wind Turbine" 한국정밀공학회 14 (14): 831-837, 2013

      4 Hegger, R., "Public Transport and Cycling: Living Apart or Together?" 56 (56): 38-41, 2007

      5 Pirnat, M., "Measuring Dynamic Loads on a Foldable City Bicycle" 57 (57): 21-26, 2011

      6 Pucher, J., "Integrating Bicycling and Public Transport in North America" 12 (12): 79-104, 2009

      7 Pucher, J., "Integrating Bicycling and Public Transport in North America" 12 (12): 79-104, 2009

      8 Bowes, D. R., "Identifying the Impacts of Rail Transit Stations on Residential Property Values" 50 (50): 1-25, 2001

      9 Arunachalam, M., "Foldable Bicycle: Evaluation of Existing Design and Novel Design Proposals" 9 (9): 706-710, 2014

      10 Cheng, Y.-H., "Evaluating Bicycle-Transit Users’Perceptions of Intermodal Inconvenience" 46 (46): 1690-1706, 2012

      1 정태성, "대중교통 연계를 고려한 도심형 접이식 자전거 개발" 한국소성가공학회 22 (22): 42-47, 2013

      2 이필립, "고부가가치 자전거 개발을 위한 제품모델 및 관리시스템 개발" 대한기계학회 35 (35): 469-477, 2011

      3 윤순현, "Study of Several Design Parameters on Multi-blade Vertical Axis Wind Turbine" 한국정밀공학회 14 (14): 831-837, 2013

      4 Hegger, R., "Public Transport and Cycling: Living Apart or Together?" 56 (56): 38-41, 2007

      5 Pirnat, M., "Measuring Dynamic Loads on a Foldable City Bicycle" 57 (57): 21-26, 2011

      6 Pucher, J., "Integrating Bicycling and Public Transport in North America" 12 (12): 79-104, 2009

      7 Pucher, J., "Integrating Bicycling and Public Transport in North America" 12 (12): 79-104, 2009

      8 Bowes, D. R., "Identifying the Impacts of Rail Transit Stations on Residential Property Values" 50 (50): 1-25, 2001

      9 Arunachalam, M., "Foldable Bicycle: Evaluation of Existing Design and Novel Design Proposals" 9 (9): 706-710, 2014

      10 Cheng, Y.-H., "Evaluating Bicycle-Transit Users’Perceptions of Intermodal Inconvenience" 46 (46): 1690-1706, 2012

      11 Singh, A. K., "Concept of User Friendly Modified Folding Bicycle" 3 (3): 16-20, 2014

      12 Arunachalam, M., "A Typical Approach in Conceptual and Embodiment Design of Foldable Bicycle" 87 (87): 9-16, 2014

      13 김필기, "A Parametric Dynamic Study on Hunting Stability of Full Dual-Bogie Railway Vehicle" 한국정밀공학회 12 (12): 505-519, 2011

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2023 평가예정 해외DB학술지평가 신청대상 (해외등재 학술지 평가)
      2020-01-01 평가 등재학술지 유지 (해외등재 학술지 평가) KCI등재
      2011-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2009-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2008-06-23 학회명변경 영문명 : Korean Society Of Precision Engineering -> Korean Society for Precision Engineering KCI등재
      2006-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      2005-05-30 학술지명변경 한글명 : 한국정밀공학회 영문논문집 -> International Journal of the Korean of Precision Engineering KCI등재후보
      2005-05-30 학술지명변경 한글명 : International Journal of the Korean of Precision Engineering -> International Journal of Precision Engineering and Manufacturing
      외국어명 : International Journal of the Korean of Precision Engineering -> International Journal of Precision Engineering and Manufacturing
      KCI등재후보
      2005-01-01 평가 등재후보 1차 PASS (등재후보1차) KCI등재후보
      2003-07-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 1.38 0.71 1.08
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.92 0.85 0.583 0.11
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