Inertial-Force Feedback for the Treadport Locomotion Interface

Inertial-Force Feedback for the Treadport Locomotion Interface

The inertial force due to the acceleration of a locomotion interface is identified as a difference between virtual and real-world locomotion. To counter the inertial force, inertial-force feedback was implemented for the Treadport, a locomotion interface. A force controller was designed for a mechan...

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Veröffentlicht in:Presence : teleoperators and virtual environment 2000-02, Vol.9 (1), p.1-14
Hauptverfasser: Christensen, Robert R., Hollerbach, John M., Xu, Yangming, Meek, Sanford G.
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container_end_page 14
container_issue 1
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container_title Presence : teleoperators and virtual environment
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creator Christensen, Robert R.
Hollerbach, John M.
Xu, Yangming
Meek, Sanford G.
description The inertial force due to the acceleration of a locomotion interface is identified as a difference between virtual and real-world locomotion. To counter the inertial force, inertial-force feedback was implemented for the Treadport, a locomotion interface. A force controller was designed for a mechanical tether to apply the feedback force to the user. For the case of the user accelerating forward from rest, psychophysical ex periments showed that subjects preferred inertial-force feedback to a spring-feedback force proportional to position or to position control, where the force feedback maintained a force of zero on the subject.
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title Inertial-Force Feedback for the Treadport Locomotion Interface
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