Abstract
Objective: This study is to identify the components and qualitative criteria for assessing the usability of wearable robots in industrial use. Background: Wearable robot technology is a state-of-the-art application of humanrobot interaction (HRI) but research on its usability from the users point of view is insufficient. It is necessary for the wearable robot industry to establish safety standards and usability assessment system for deploying the technology on a commercial scale. Method: Sets of user requirements were identified from previous researches regarding with analogous products including walking aids, assistive and wearable devices. Qualitative assessment criteria were developed on the basis of user requirements classified by usability components and the structure of wearable robots. Results: The usability of wearable robots needs to be evaluated by 6 components: wearability, effectiveness, learnability, efficiency, utility, and safety. Qualitative assessment criteria consisted of 38 questionnaires corresponding to the identified user requirements that belong to each component. Conclusion: The 6 components with 38 assessment criteria would be utilized as the basis for further development of the usability assessment standard. Application The assessment criteria provide ideas and checklists for designing wearable robots with good usability.
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