An Implementation of the Multiple Integrated Laser Engagement System (MILES) on an Unmanned Ground Vehicle (UGV).

Haas, Gary A.; Spangler, James J.

doi:10.21236/ada308456

Cited by 1 publication

(1 citation statement)

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“…Indeed, a well-known security consultant recently predicted, “At some point around 2025 or thereabouts the US Army will actually have more combat robots than it will have human Soldiers” (Lockett, 2017). The application of combat robots presents numerous advantages such as force multiplying, faster target acquisition, and less exposure of friendly forces to lethal enemy contact (Bray-Miners, Ste-Croix, & Morton, 2012; Haas, David, & Haug, 1996). Thus, the role of selected Soldiers will shift from boots on the ground to remote supervisor of semiautonomous robots, whereby the Soldier is actively monitoring and manually responding to target engagements (Parasuraman, Barnes, & Cosenzo, 2007).…”

Section: Introductionmentioning

confidence: 99%

Response Complexity Reduces Errors on a Response Inhibition Task

Head

Tenan

Tweedell³

et al. 2019

Hum Factors

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Objective The purpose of this investigation was to elucidate the role of button-response complexity to targets in a response inhibition task. Background Response inhibition is the ability to correctly inhibit an overt response to a target. The U.S. military is actively pursuing development of armed, combat robots as a force multiplier, which may present challenges to operators of combat robots in the form of response inhibition errors. Method A total of 15 participants completed two 51-min versions of a modified sustained attention to response task (SART). Participants were outfitted with an electrocardiogram to index heart-rate variability and completed the NASA–Task Load Index (NASA-TLX) to index workload. Results The results demonstrated that the complex SART reduced errors of commission (4%) and slowed response times (874 ms) to correct Go targets relative to the simple SART (14%, 739 ms). The NASA-TLX did not show differences between the modified SARTs; however, heart-rate variability did demonstrate that Soldiers had an increased autonomic stress response to the complex SART. Conclusion Increasing the behavioral response requirement during a response inhibition task can decrease errors of commission; however, it comes at the cost of slower response times to target stimuli. Heart-rate variability may provide better insight into objective workload relative to subjective measures. Application The use of complex behavioral responses may provide a viable option to reduce potential “friendly fire” or collateral damage by Soldiers remotely engaging a target-rich environment.