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Research Papers

Adapting ADA Architectural Design Knowledge for Universal Product Design Using Association Rule Mining: A Function Based Approach

[+] Author and Article Information
Shraddha Sangelkar

Department of Mechanical Engineering, 3123 TAMU,  Texas A&M University, College Station, TX 77843

Daniel A. McAdams1

Department of Mechanical Engineering, 3123 TAMU,  Texas A&M University, College Station, TX 77843dmcadams@tamu.edu

1

Corresponding author.

J. Mech. Des 134(7), 071003 (Jun 08, 2012) (15 pages) doi:10.1115/1.4006738 History: Received May 09, 2011; Accepted April 13, 2012; Published June 08, 2012; Online June 08, 2012

This paper focuses on creating guidelines for the design of products for persons with disabilities that are applicable during early stages of design. The research uses the International Classification of Functioning, Disability, and Health (ICF) to formally describe user activity, the Functional Basis to describe product function, and the actionfunction diagram as a framework to create a detailed understanding of the interaction between a user and a product. The main objective of this paper is to explore the transferability of the knowledge contained in the Americans with Disabilities Act (ADA) to universal product design. The design information contained in the ADA guidelines is abstracted using a function based approach; association rules are mined from this design information. The association rules obtained are statistically significant guidelines for universal design (UD). The existing examples of universal design are compared to their typical version to observe the design elements that improve the accessibility of a product. Association rules are also mined from the existing examples of universal design using the same methodology. Further, the applicability of ADA guidelines to universal product design is investigated based on the commonality between the association rules obtained from both the datasets. The results show that rules can be translated to a product having a degree of similarity based on the size and space relationship between the user and product without direct translation from an ADA based design guideline to a product design guideline.

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Copyright © 2012 by American Society of Mechanical Engineers
Topics: Design , Mining
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References

Figures

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Figure 1

Sequence of the steps performed for the data generation

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Figure 2

A product pair of a Fiskars Rotary Cutter (top) and standard box cutter (bottom) [24]

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Figure 3

An actionfunction diagram for a typical bathtub illustrates dashed boxes representing user activities with related product functions contained within each activity

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Figure 4

A steep ramp (left) and a gradual ramp (right) illustrate a parametrically different product pair [29]

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Figure 5

An inaccessible building entrance based on a stair morphology (left) and an accessible building entrance (right) based on a ramp morphology illustrate a morphological difference [29]

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Figure 6

An inaccessible stair step (left) and an accessible building entrance with a wheel chair lift (right) illustrate a functional difference [29]

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Figure 7

Venn diagram representing the overlap between association rules based on ADA guidelines, architectural product pairs, and consumer product pairs

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Figure 8

The location of controls in a typical [52] and a universal cook top [53] illustrates translation of ADA guidelines to an architectural product through a parametric change

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Figure 9

A typical and universal bathtub (left) typical and universal PT Cruiser (right) illustrate a similar morphological change to the ingress system [29]

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