Thermal Feedback for Simulated Lane Change Scenarios

Thermal Feedback for Simulated Lane Change Scenarios

Patrizia Di Campli San Vito (University of Glasgow, Glasgow, UK), Stephen Brewster (School of Computing Science, University of Glasgow, Glasgow, UK), Frank Pollick (School of Psychology, University of Glasgow, Glasgow, UK), Stuart White (Jaguar Land Rover, Coventry, UK), Lee Skrypchuk (Jaguar Land Rover, Coventry, UK) and Alexandros Mouzakitis (Jaguar Land Rover, Coventry, UK)
Copyright: © 2019 |Pages: 19
DOI: 10.4018/IJMHCI.2019040103

Abstract

Most research into haptic feedback for in-car applications has used vibrotactile feedback. In this article, two simulator studies investigate novel thermal feedback during driving for a lane change task. The distraction and time differences of audio and thermal feedback were investigated in the first, with results showing that thermal feedback does not increase lane deviation, but the time to completed lane change is 1.82s longer in the thermal than the audio condition. The second experiment explored the difference in variable changes of the thermal stimuli on the recognition rate and false positive recognition at the return to the neutral temperature. Variable alterations can have different effects on these tasks and are not mirrored for the directions of temperature change. This suggests that the design of thermal stimuli is highly dependent on what result should be maximized: recognition rate or minimal additional changes at the return to the neutral temperature.
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Background

Haptic feedback has been the focus of research for some time. Mostly, vibration, or vibrotactile feedback, has been investigated for several applications (Brewster and Brown, 2004; Brown et al., 2006). Among those are the presentation of warnings (Brown and Kaaresoja, 2006) and instructions (Pielot et al., 2010).

In cars, haptic feedback is often used for navigation. Kern et al. (2009) attached vibrotactile actuators to the steering wheel and used vibration in combination with auditory and visual cues to convey navigation information for lane changes. In their experiments, they encountered problems when presenting vibration alone on one side of the steering wheel: participants had trouble identifying the vibrating side. Additionally, the information presented was not easily distinguished when presented by itself and influenced the driving performance negatively. When vibration was presented in a multimodal setting, with visual and auditory cues, driving performance was increased and participants preferred the visual and tactile combination.

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