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Abstract:
This paper focuses on the influence of different forms of motion feedback on the per-
ception and control behavior of pilots in a roll-lateral helicopter hover task. To identify
this influence, a combined target-following and disturbance-rejection task is carried out
where the motion feedback is varied. The participants perform the control task with roll
motion only, lateral motion only, combined roll-lateral motion, or with no motion. A cy-
bernetic approach is taken to identify multi-loop pilot describing functions and estimate
the parameters of a pilot model. Results show that participants perform significantly bet-
ter at the control task with feedback of combined roll-lateral motion, and decrease their
control activity. For the condition with feedback of roll motion a similar trend is observed.
This is explained through the increased amount of information present in the inner roll
stabilization loop.
