Article
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A Contextual Emotion Appraisal System Based on a Sentential Cognitive System for Robots
Version 1
: Received: 10 July 2020 / Approved: 22 July 2020 / Online: 22 July 2020 (05:18:22 CEST)
Version 2 : Received: 1 January 2021 / Approved: 4 January 2021 / Online: 4 January 2021 (10:41:22 CET)
Version 2 : Received: 1 January 2021 / Approved: 4 January 2021 / Online: 4 January 2021 (10:41:22 CET)
How to cite: Ahn, H.; Park, S. A Contextual Emotion Appraisal System Based on a Sentential Cognitive System for Robots. Preprints 2020, 2020070498. https://doi.org/10.20944/preprints202007.0498.v1 Ahn, H.; Park, S. A Contextual Emotion Appraisal System Based on a Sentential Cognitive System for Robots. Preprints 2020, 2020070498. https://doi.org/10.20944/preprints202007.0498.v1
Abstract
Emotion plays a powerful role in humans’ interaction with robots. In order to express more human-friendly emotions, robots need the capability of contextual appraisal that expresses the emotional relevance of various targets in the spatiotemporal situation. In this paper, an emotional appraisal system is proposed in this study to cope with such contexts. Specifically, the Ortony, Clore, and Collins model is abstracted and simplified to approximate an emotional appraisal model in the form of a sentence-based cognitive system. The contextual emotion appraisal is modeled by formulating the emotional relationships among multiple targets and the emotional transition with events and time passing. To verify the proposed robotic system’s feasibility, simulations were conducted for scenarios where it emotional interacts with humans manipulating liked or disliked objects on a table. This experiment demonstrated that the robot's emotion can variously change over time like human by using a proposed formula for emotional valence, which is moderated by emotion appraisal of occurring events.
Keywords
emotion appraisal system; contextual emotion appraisal; cognitive robotics; sentential cognitive system; HRI
Subject
Computer Science and Mathematics, Robotics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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