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The Effect of Appropriately and Inappropriately Applied Automation for the Control of Unmanned Systems on Operator Performance
Final rept. Oct 2007-Sep 2008
ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
Pagination or Media Count:
Robotic technology will be a vital component of future combat. However, the combination of robotic operational tasks with other traditional military tasks will create high workload peaks during military operations. The objective of this research is to develop and evaluate flexible automation strategies to aid the operator in this complex military environment. In this experiment, we evaluated the effect of an automation that was invoked based on task load. Participants conducted a military reconnaissance mission using a simulation that required them to use an unmanned air vehicle sensor for target detection, monitor an unmanned ground vehicle, and respond to multi-level communications. Participants completed 16 missions in the environment, during which task load and automation were manipulated. The results of this experiment showed that operator performance did improve when the automation, an aided target-recognition system for the unmanned air vehicle, was invoked, relative to when it was not invoked. Further, when automation was appropriately applied high task-load conditions, workload decreased significantly. This data, along with the results of other experiments discussed in this report, indicate that adaptive automation may be a useful mitigation strategy to help offset the potential deleterious effects of high cognitive load on U.S. Army robotic operators in a multitasking environment.
APPROVED FOR PUBLIC RELEASE