Biodynamic and Spasticity Reduction in Joystick Control Via Force Reflection.
Abstract
When pilots are subjected to exogonous environmental influences such as complex acceleration fields during unusual aircraft maneuvers, these effects disturb the normal motion of the human body producing undesired biodynamic effects. These disturbances, in turn, affect how the pilot controls his aircraft. Thus, it becomes a problem of interest to investigate joystick controllers that show some resistance to these untoward effects. Force reflection algorithms, when applied to a joystick controller are shown to mitigate these unwanted motions induced by the environment. These same results also extrapolate to the problem involving the neuromotor disabled patients who suffer from spasticity. The disturbance in this case is internal, not external, but force reflecting stick controllers are shown to reduce these undesired responses. Data are given from pilots involving the external disturbances such as complex acceleration fields as well as for neuromotor disabled patients where disturbances are internally generated. Some general rules for applying these force reflection scenarios are given.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1995
- Accession Number
- ADA313739
Entities
People
- Daniel W. Repperger
Organizations
- Armstrong Laboratory