Control order and visuomotor strategy development for joystick-steered underground shuttle cars

Cloete, Steven, Zupanc, Christine, Burgess-Limerick, Robin and Wallis, Guy (2014) Control order and visuomotor strategy development for joystick-steered underground shuttle cars. Human Factors, 56 6: 1177-1188. doi:10.1177/0018720814522295

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Author Cloete, Steven
Zupanc, Christine
Burgess-Limerick, Robin
Wallis, Guy
Title Control order and visuomotor strategy development for joystick-steered underground shuttle cars
Journal name Human Factors   Check publisher's open access policy
ISSN 0018-7208
Publication date 2014-09-01
Sub-type Article (original research)
DOI 10.1177/0018720814522295
Open Access Status Not Open Access
Volume 56
Issue 6
Start page 1177
End page 1188
Total pages 12
Place of publication Thousand Oaks, CA, United States
Publisher Sage Publications
Language eng
Formatted abstract
Objective: In this simulator-based study, we aimed to quantify performance differences between joystick steering systems using first-order and second-order control, which are used in underground coal mining shuttle cars. In addition, we conducted an exploratory analysis of how users of the more difficult, second-order system changed their behavior over time.

Background: Evidence from the visuomotor control literature suggests that higher-order control devices are not intuitive, which could pose a significant risk to underground mine personnel, equipment, and infrastructure.

Method: Thirty-six naive participants were randomly assigned to first- and second-order conditions and completed three experimental trials comprising sequences of 90° turns in a virtual underground mine environment, with velocity held constant at 9 km/h−1. Performance measures were lateral deviation, steering angle variability, high-frequency steering content, joystick activity, and cumulative time in collision with the virtual mine wall.

Results: The second-order control group exhibited significantly poorer performance for all outcome measures. In addition, a series of correlation analyses revealed that changes in strategy were evident in the second-order group but not the first-order group.

Conclusion: Results were consistent with previous literature indicating poorer performance with higher-order control devices and caution against the adoption of the second-order joystick system for underground shuttle cars.

Application: Low-cost, portable simulation platforms may provide an effective basis for operator training and recruitment.
Keyword Steering
Visuomotor control
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online before print February 14, 2014.

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Created: Mon, 24 Feb 2014, 23:11:39 EST by Dr Robin Burgess-limerick on behalf of Minerals Industry Safety and Health Centre