Mechanical and psychophysical performance evaluation of a haptic actuator based on magnetorheological fluids

This study presents a miniature haptic actuator (10mm (L)x10mm (W)x6.5mm (H)) based on magnetorheological fluids, which is designed to provide realistic touch sensations to users. Its primary goals are to evaluate mechanical or actuation performances of the prototype magnetorheological actuator and to assess its effectiveness in conveying haptic sensations to users by conducting the psychophysical experiments. The mechanical performance study evaluated the prototype's output forces from haptic perspectives using a dynamic test frame. The psychophysical experiments studied human subjects' perceptions on haptic sensations produced by the prototype. The mechanical test results show that the magnetorheological actuator is capable of generating a wide range of frequency-dependent output forces (from 1.5N to nearly 9N). The psychophysical experiments show that the actuator offers various kinesthetic and vibrotactile sensations to human operators. Overall, the results suggest a feasibility of using the magnetorheological haptic actuator in real-world applications, such as a haptic keypad and functional buttons in small consumer electronics and hand-held devices
Publisher
SAGE PUBLICATIONS LTD
Issue Date
2016-08
Language
ENG
Citation

JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES, v.27, no.14, pp.1967 - 1975

ISSN
1045-389X
DOI
10.1177/1045389X15620040
URI
http://hdl.handle.net/10203/213573
Appears in Collection
ME-Journal Papers(저널논문)
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