Quantitative evaluation of impedance perception characteristics of humans in the man-machine interface |
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Authors: | Keiichi Onish Youngwoo Kim Goro Obinata Kazunori Hase |
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Affiliation: | 1315. Yamaha Motor Co., Ltd, Iwata, Shizuoka, 438-8501, Japan 2315. Daegu Research Center for Medical Devices and Green Energy, Korea Institute of Machinery & Materials (KIMM), Daegu Techno Park R&D Center #1031, 711, Hosan-dong, Dalseo-gu, 704-948, Korea 3315. EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan 4315. Department of Mechanical Engineering, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Hachioji, Tokyo, 192-0397, Japan
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Abstract: | We investigated impedance perception characteristics of humans in the man-machine interface. Sensibility or operational feel about physical properties of machine dynamics is obtained through perception process. We evaluated the impedance perception characteristics of humans who are operating a mechanical system, based on extended Scheffe’s subjective evaluation method in full consideration of the influence of impedance level, impedance difference, experiment order, individual difference and so on. Constant method based quantitative evaluation was adopted to investigate the influence of motion frequency and change of the impedance on human impedance perception characteristics. Experimental results indicate that humans perceive impedance of mechanical systems based on comparison process of the dynamical characteristics of the systems. The proposed method can be applied to quantify the design requirement of man-machine interface. The effectiveness of the proposed method is verified through experimental results. |
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