Determining design guidelines for a haptic admittance display in aircraft control

The haptic feedback signal in haptic interfaces is usually in the form of a force on the control device. In contrast, the “active side stick”, investigated in the 80s and 90s, uses an admittance display, whereby the position of the device is linked to the feedback signal, and force applied on the device is used as the control signal. These...

Modulation of stretch reflexes to environmental dynamics and perturbation properties

Reflexes and co-contraction are the two mechanisms used for effective limb control when humans face unexpected perturbations in their daily activities. When the environment has reduced stability margins, reflexes are tempered due to the oscillations caused by the neural time delay of the reflexive pathways. An explanation is that reflexes adapt...