Seat style designers transform their ideas into 3-D forms using creative, iterative modeling processes to quickly evolve their designs from concept to reality, while refining the design details of the seat shape. Although the recent introduction of computer-aided styling systems to the design process has greatly enhanced designers' productivity, they still prefer to ideate using “pen and paper.” Here, we propose a sketch-based 3-D modeling system that enables designers to rapidly and intuitively create a seat shape by applying a 2-D sketch to a normalized seat reference model and then evaluating the newly designed model. For this purpose, we describe three modeling techniques that support interactive shape editing: curve manipulation using pen strokes, vertex point manipulation, and tangent vector manipulation. In addition, we propose three methods for the design and functional evaluation of an automotive seat, checking for interference between a seat skin and its frame, checking for foldability among seat components with regard to their positioning, and checking for coupling between a seat model and a digital human body.
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Carnegie Mellon University,
Pittsburgh, PA 15213
Ajou University,
Yeongtong-gu, Suwon 443-749,
e-mail: jyang@ajou.ac.kr
Carnegie Mellon University,
Pittsburgh, PA 15213
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Research-Article
Development of Sketch-Based 3-D Modeling System for Rapid Generation and Evaluation of Automotive Seat Shape Using Reference Models
Inho Song,
Carnegie Mellon University,
Pittsburgh, PA 15213
Inho Song
Department of Mechanical Engineering
,Carnegie Mellon University,
5000 Forbes Avenue
,Pittsburgh, PA 15213
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Jeongsam Yang,
Ajou University,
Yeongtong-gu, Suwon 443-749,
e-mail: jyang@ajou.ac.kr
Jeongsam Yang
1
Department of Industrial Engineering
,Ajou University,
San 5, Wonchun-dong
,Yeongtong-gu, Suwon 443-749,
South Korea
e-mail: jyang@ajou.ac.kr
1Corresponding author.
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Kenji Shimada
Carnegie Mellon University,
Pittsburgh, PA 15213
Kenji Shimada
Department of Mechanical Engineering
,Carnegie Mellon University,
5000 Forbes Avenue
,Pittsburgh, PA 15213
Search for other works by this author on:
Inho Song
Department of Mechanical Engineering
,Carnegie Mellon University,
5000 Forbes Avenue
,Pittsburgh, PA 15213
Jeongsam Yang
Department of Industrial Engineering
,Ajou University,
San 5, Wonchun-dong
,Yeongtong-gu, Suwon 443-749,
South Korea
e-mail: jyang@ajou.ac.kr
Kenji Shimada
Department of Mechanical Engineering
,Carnegie Mellon University,
5000 Forbes Avenue
,Pittsburgh, PA 15213
1Corresponding author.
Contributed by the Design Automation Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received April 3, 2013; final manuscript received November 24, 2013; published online March 13, 2014. Assoc. Editor: Karthik Ramani.
J. Mech. Des. May 2014, 136(5): 051001 (12 pages)
Published Online: March 13, 2014
Article history
Received:
April 3, 2013
Revision Received:
November 24, 2013
Citation
Song, I., Yang, J., and Shimada, K. (March 13, 2014). "Development of Sketch-Based 3-D Modeling System for Rapid Generation and Evaluation of Automotive Seat Shape Using Reference Models." ASME. J. Mech. Des. May 2014; 136(5): 051001. https://doi.org/10.1115/1.4026495
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