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2023 Fiscal Year Final Research Report

Development of a Discomfort Reduction Method for Power Assist Devices Based on Predictive Mass Estimation and Mass Perception Control

Research Project

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Project/Area Number 20H04274
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 61060:Kansei informatics-related
Research InstitutionMie University

Principal Investigator

Ikeura Ryojun  三重大学, 工学研究科, 教授 (20232168)

Co-Investigator(Kenkyū-buntansha) 早川 聡一郎  三重大学, 工学研究科, 准教授 (50288552)
Project Period (FY) 2020-04-01 – 2024-03-31
Keywordsユーザーインターフェース / マンマシンインターフェース / パワーアシスト / 違和感 / 質量感
Outline of Final Research Achievements

Power-assist devices are a necessity in today's aging society, but accidents caused by a sense of discomfort or fear during operation must be avoided. In this study, we analyzed the factors that determine the predicted mass that a person expects before operation, such as the size of the object to be carried, the appearance of the power-assist device, and the time variation of the predicted mass, with the aim of reducing the sense of discomfort and fear in the sense of mass. By controlling the mass sensation to approach the predicted mass in consideration of these factors, we showed that it is possible to reduce the sense of discomfort during operation.

Free Research Field

マンマシンインターフェース

Academic Significance and Societal Importance of the Research Achievements

パワーアシスト技術は現状の高齢社会において必須であるが,使用するのに違和感や恐怖感があっては,世の中に浸透させることは不可能である.従来研究では,操作した感覚をアンケート等で評価し,それに基づく制御方法の改良を行ってきたが試行錯誤が多く,体系的な改善は困難となっていた.そこで本研究では,違和感や恐怖感は,使用者が予め予想した操作感と実際に感じた操作感との乖離によることに注目し,その操作感の隔たりを縮小することを試みたもので,その学術的及び社会的意義は非常に大きい.

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Published: 2025-01-30  

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