Abstract

Force feedback devices are attracting attention as a way to apply virtual and augmented reality to entertainment, sports, and rehabilitation. We previously developed a force feedback device using pneumatic artificial muscle and a magneto-rheological fluid clutch. However, problems occurred, such as an increase in the weight of the device and complications in the control system. To solve these problems, a new force feedback method using an elastic spring and a magneto-rheological fluid clutch was therefore proposed. In addition, the force feedback characteristics of the force feedback method were modeled. A 1-degree-of-freedom force feedback device using the new force feedback method was also developed. The model characteristics of the force feedback for rendering the elasticity using the device were confirmed experimentally.

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