Analysis of skin conductance reaction related to mental stress due to corner entry speed of mobility scooter

Kazunori Kaede*, Masato Utsugi, Keiichi Watanuki, Keiichi Muramatsu

*この研究の対応する著者

研究成果: Conference contribution

抄録

In this study, we evaluated the mental stress due to corner entry speed while riding a mobility scooter by measuring skin conductance. A mobility scooter is a four-wheel electric wheelchair with a steering bar-handle. These scooters, known as 'senior cars' in Japan, are generally sold for use by elderly people. Some of these scooters have a system that automatically reduces their speed to approximately 70% of the maximum depending on the steering angle at corners. However, because of mismatch with the intention of the driver, the preset deceleration rate may be uncomfortable for the driver. With the objective of providing appropriate assistance without any discomfort in such circumstances, we evaluated the mental stress of the driver. Skin conductance (SC) is one index for measuring mental sweating related to sympathetic nerve activity. First, we modified a commercially available mobility scooter for use as an experimental scooter such that it can be controlled using an external personal computer. Then, we measured SC in a task that involved turning right into a corner at a constant speed using the experimental scooter, and evaluated the mental stress due to the corner entry speed. A positive correlation between the amplitude of SC and entry speed was obtained. Further, the results of a questionnaire used to evaluate the ride discomfort after each experimental task indicated that 'No Fear' and 'Safety' decreased as the speed increased. As these results are consistent with the measurement results of the SC amplitude, we concluded that fear due to corner entry speed can be evaluated using SC.

本文言語English
ホスト出版物のタイトル2019 IEEE International Conference on Systems, Man and Cybernetics, SMC 2019
出版社Institute of Electrical and Electronics Engineers Inc.
ページ3430-3434
ページ数5
ISBN(電子版)9781728145693
DOI
出版ステータスPublished - 2019 10
外部発表はい
イベント2019 IEEE International Conference on Systems, Man and Cybernetics, SMC 2019 - Bari, Italy
継続期間: 2019 10 62019 10 9

出版物シリーズ

名前Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics
2019-October
ISSN(印刷版)1062-922X

Conference

Conference2019 IEEE International Conference on Systems, Man and Cybernetics, SMC 2019
国/地域Italy
CityBari
Period19/10/619/10/9

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 制御およびシステム工学
  • 人間とコンピュータの相互作用

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