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Effects of Head-Slaved and Peripheral Displays on Lane-Keeping Performance and Spatial Orientation

TNO Human Factors Research Institute, Soesterberg, Netherlands

Jan van Erp

TNO Human Factors Research Institute, Soesterberg, Netherlands

J. E. (Hans) Korteling

TNO Human Factors Research Institute, Soesterberg, Netherlands

To improve the efficiency of images presented in low-cost vehicle simulators, the virtual viewing direction (i.e., the direction in which the image is rendered) can be head-slaved, the display can be surrounded with a less detailed peripheral image, or both. Three simulator experiments were used to evaluate the effect of these techniques on lane-keeping performance and spatial orientation. In Experiment 1, vehicle references or a head-slaved display (HSD) provided feedback on the virtual viewing direction. Vehicle references improved lane-keeping performance somewhat with a standard 50° h x 50° v display. An HSD (50° h x 50° v) allowed better steering performance, but not to the levels obtained with a wide display (150° h x 50° v). Experiments 2a and 2b evaluated the effects of surrounding the HSD with a less detailed peripheral image and of moving the HSD discretely or continuously. With the peripheral image, lane-keeping performance (Experiment 2a) and spatial orientation (Experiment 2b) were similar to those with a wide display. In both experiments, performance with the discretely moving HSD was superior to that with the continuously moving HSD. The results show that low-cost driving simulators can be equipped with more efficient displays that are as effective as wide displays for lane-keeping and spatial orientation.

Human Factors: The Journal of the Human Factors and Ergonomics Society, Vol. 41, No. 3, 453-466 (1999)
DOI: 10.1518/001872099779610950


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