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Human Performance in Single and Two-Axis Tracking Systems

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3 Author(s)
E. P. Todosiev ; TRW Systems, Redondo Beach, Calif. ; R. E. Rose ; L. G. Summers

A compensatory tracking experiment was performed on single and uncoupled two-axis tracking systems to determine the effects of training on model parameters of the human operator as well as one-two-axis differences in tracking performance. The plant dynamics were identical in both the single-axis system and the symmetrical two-axis system. Second-order dynamics consisting of a pure integration and first-order lag were used. Task difficulty was varied by changing the magnitude of the lag time constant and the frequency bandwidth of the input disturbance. Linear second- order describing functions, obtained by a model matching technique, were used to model the operator's performance.

Published in:

IEEE Transactions on Human Factors in Electronics  (Volume:HFE-8 ,  Issue: 2 )