EFFECTS OF DISPLAY QUICKENING ON HUMAN TRANSFER FUNCTIONS DURING A DUAL-AXIS COMPENSATORY TRACKING TASK
Final rept. May 1963-Jun 1964
NORTH AMERICAN AVIATION INC COLUMBUS OH
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The research was concerned with the humans behavior in adapting his response mode to variations of certain conditions of a compensatory tracking task. The task conditions evaluated were quickening level, system gain, task load, and task complexity. The results of the studies show good agreement with the transfer function adjustment rules developed by other investigators. When quickening is introduced, the human adjusts his transfer function in a systematic and predictable manner in response to variations of the quickening level. As the amount of quickening increases the operator increases gain and lag but decreases lead. The human adjusts his equalizing parameters to achieve stable loop performance for all quickening levels. Mans ability to reduce the system error is significantly affected by the distribution of gains in the overall man-machine system. The humans transfer function for single and dual task load conditions probably differs. Tracking error was found to be least when the quickening level used in the second axis is identical to that in the axis of primary interest error increased as the quickening levels for the two axes became more dissimilar.
- Optical Detection and Detectors
- Human Factors Engineering and Man Machine Systems