Abstract
To solve the problem of the fuzzy and dynamics of requirement caused by users’ cognitive bias, a dynamic requirement and priority capture method based on user scenarios is proposed, aiming at effectively improving user experience. The method consists of the following steps: Firstly, users with similar characteristics are filtered to form a user cluster, then obtain the user’s product experience in different usage scenarios and acquire preliminary requirements by using service design methods. Secondly, the requirement path model tree will be designed and the requirement path matrix will be constructed through the evaluation of the user cluster. Then the pathfinder algorithm will be used to calculate the required correlation of user clusters and prioritize the requirements. Finally, the direction of the product design will be provided. Taking the design of the intelligent office chair as an example, the effectiveness of the method is verified by evaluating the satisfaction of user experience.
Highlights
In traditional product design field, designers usually develop products by technology-driven, but in the age of experience, user-centered design is emphasized
Dynamic requirements refer to the continuous requirements of users when using the product in a specific scenario, and such requirements change with time changes and scenarios
In view of the above researches and analysis, this paper proposes a dynamic requirement capture method for user usage scenarios
Summary
In traditional product design field, designers usually develop products by technology-driven, but in the age of experience, user-centered design is emphasized. Understanding and satisfying users’ requirements through user scenarios is the key to effectively improving the user experience[1] of products. Due to the cognitive bias among different users, there are uncertainties, and dynamic problems in needs, which make designers unable to accurately perceive users’ requirements.[2] Dynamic requirements refer to the continuous requirements of users when using the product in a specific scenario, and such requirements change with time changes and scenarios. Capturing the dynamic needs of users is an important step for successful product design, and. Advances in Mechanical Engineering the requirement priority information output from this step will serve as the main guiding basis for product solution design, which will have an important impact on the improvement of end-user experience
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