The objective of this paper is to quantify designer’s mental stress during the conceptual design process. Quantifying the designer’s mental stress would assist the effort of understanding the designer’s creative and innovative process. In this paper, Recursive Object Modelling (ROM) is used as a formal tool to represent the designer’s mental state in each step of the conceptual design process. During the conceptual design process, designers usually describe the design states using natural language, combined with sketches. The description based on natural language will be transformed into ROM diagram through the lexical, syntactic, and structure analysis. A cognitive experiment, which is to design a new litter-disposal system in a passenger compartment located in the trains of NS (Dutch Railways), is built to study designer’s thinking process. ROM is used to analyze and quantify the designer’s mental stress based on the protocol data collected in the experiment. The validation through the cognitive experiment shows that ROM is an efficient design evaluation methodology, which reflects the nature and the characteristics of the design process. The designer’s mental stress presents dynamic, nonlinear, and spiral trend.
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ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 4–7, 2007
Las Vegas, Nevada, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4803-5
PROCEEDINGS PAPER
A Novel Approach to Quantifying Designer’s Mental Stress in the Conceptual Design Process
Shan Zhu,
Shan Zhu
Concordia University, Montre´al, QC, Canada
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Shengji Yao,
Shengji Yao
Concordia University, Montre´al, QC, Canada
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Yong Zeng
Yong Zeng
Concordia University, Montre´al, QC, Canada
Search for other works by this author on:
Shan Zhu
Concordia University, Montre´al, QC, Canada
Shengji Yao
Concordia University, Montre´al, QC, Canada
Yong Zeng
Concordia University, Montre´al, QC, Canada
Paper No:
DETC2007-35887, pp. 593-600; 8 pages
Published Online:
May 20, 2009
Citation
Zhu, S, Yao, S, & Zeng, Y. "A Novel Approach to Quantifying Designer’s Mental Stress in the Conceptual Design Process." Proceedings of the ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2: 27th Computers and Information in Engineering Conference, Parts A and B. Las Vegas, Nevada, USA. September 4–7, 2007. pp. 593-600. ASME. https://doi.org/10.1115/DETC2007-35887
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