The Influence of Numerical Displays on Human Performance in the Manual RVD Task
The present study aims to identify the influence of the display of numerical data on human performance in the manually controlled rendezvous and docking (manual RVD) task. Two display schemes were designed and developed in a RVD simulator, one display scheme with numerical data (Display A) and the other without numerical data (Display B). Twelve male subjects completed four trials of RVD simulations on the RVD simulator each, two trials observing Display A, and two trials observing Display B. Deviation data, such as the horizontal deviation (Y), the vertical deviation (Z), the roll deviation (\( \emptyset \)), the pitch deviation (\( \theta \)), the yaw deviation (\( \varphi \)), are automatically recorded. Results show that the display of the numerical data are helpful for the diminishing of the pitch deviation (\( \theta \)) and the yaw deviation (\( \varphi \)), while the roll deviation (\( \emptyset \)) does not change significantly in the two conditions, the horizontal deviation (Y) and the vertical deviation (Z) indices seem to be affected negatively by the numerical display. Based on analysis of the results, we suggest that numerical data of the pitch deviation (\( \theta \)) and the yaw deviation (\( \varphi \)) should be highlighted on the interface, meanwhile operators should pay more attention to the control of horizontal deviation (Y) and the vertical deviation (Z) when there are numerical displays.
KeywordsManually controlled rendezvous and docking (manual RVD) Numerical display Human performance
This work was supported by the Feitian Foundation of China Astronaut Research and Training Center (No. FTKY201505) and the funding of Key Laboratory of Science and Technology for National Defense (No. 9140C770102140C77313). The authors would like to thank Dongxu Han for the collection of the experimental data.
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