User-Centered Intelligent Interface of Vending Machines Modeling

Yige Gao, Yuanyuan Ge

Abstract


Convenience and speed of service makes vending machines popular world-wide.
However, the development and use of vending machines in China have not kept pace with global markets. In this paper, in order to determine the key design factors, interface elements and parameters which affect the convenience of user-machine interaction, the author analyzes the interaction problems in current vending machine design and finds out that unreasonable design results from machine-centered logic design. Then, with user-centered design principles, a new user-centered intelligent interaction model of vending machines is developed.The result of the test shows that the user-centered interface system can effectively reduce the operational time and decrease the mistake type and mistake rate. The process followed in the present study can also serve as a general framework for the analysis and development of UCD interfaces for other self-service systems.


Keywords


User-Centered Design (UCD); Novice Users; Vending Machines; User-Machine Interaction Model

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References


S. Hagen and F. Sandnes, Toward accessible self-service kiosks through intelligent user interfaces, Personal Ubiquitous Comput., 8(2010), 715–721.

Karin S., A User-Centered Design Approach to Self-Service Ticket Vending machiness ,IEEE Transactions on Professional Communication,6(2013), 138-159.

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DOI: http://dx.doi.org/10.18686/esta.v9i3.276

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