How do expert hapticians evaluate grounded force-feedback devices?

Fazlollahi, Farimah; Seifi, Hasti; MacLean, Karon E.; Kuchenbecker, Katherine J.

doi:10.1109/whc49131.2021.9517240

Cited by 1 publication

(1 citation statement)

References 3 publications

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“…Many researchers in the field of force feedback utilize this device to study haptic rendering algorithms [11,12]. However, grounded force feedback devices like this mounted on a fixed surface cannot be easily moved during use, thereby restricting user flexibility [13]. Handheld force feedback Micromachines 2024, 15, 693 2 of 17 devices are mostly used for interaction in 2D scenarios such as touch screens, where users cannot actively grasp or touch with their hands, thus limiting hand mobility [14,15].…”

Section: Introductionmentioning

confidence: 99%

A Wearable Fingertip Force Feedback Device System for Object Stiffness Sensing

Wu,

Ren,

Cao

et al. 2024

Micromachines

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Virtual reality technology brings a new experience to human-computer interaction, while wearable force feedback devices can enhance the immersion of users in interaction. This paper proposes a wearable fingertip force feedback device that uses a tendon drive mechanism, with the aim of simulating the stiffness characteristics of objects within virtual scenes. The device adjusts the rotation angle of the torsion spring through a DC motor, and then uses a wire to convert the torque into a feedback force at the user’s index fingertips, with an output force of up to 4 N and a force change rate of up to 10 N/s. This paper introduces the mechanical structure and design process of the force feedback device, and conducts a mechanical analysis of the device to select the appropriate components. Physical and psychological experiments are conducted to comprehensively evaluate the device’s performance in conveying object stiffness information. The results show that the device can simulate different stiffness characteristics of objects, and users can distinguish objects with different stiffness characteristics well when wearing the force feedback device and interacting with the three-dimensional virtual environments.

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