Research on the Impact of Metro Station Illuminance on Passengers′ Emotion and Visual Cognition

Objective Proper illuminance environment plays an important role in improving the service level of metro stations, ensuring the safety of passenger evacuation and promoting the sustainable development of public transportation. In order to promote the scientific and proper illuminance environment design in metro stations, it is necessary to study the influence of different illuminance environments on passengers′ subjective emotions and visual performance cognition. Method Based on the integration of the eye movement tracking technology, visual performance cognitive evaluation technology, and the three-dimensional emotion evaluation model, a calculation method is proposed, which consists of three evaluation categories and a total of 8 parameters, i.e. eye movement test evaluation, visual performance cognitive evaluation and subjective emotion evaluation. The test process is set up with illuminance as variable and 5 illuminance levels are selected for test research. The relationship model between different illuminances and the parameters of passengers′ subjective emotion and visual performance cognition is constructed. Test results are treated with one-way ANOVA (analysis of variance), correlation analysis and comprehensive analysis. Result & Conclusion The results show that the illuminance has significant effects on passengers′ subjective PAD (pleasantness, arousal, dominance) and visual cognitive performance. Improving passengers′ pleasure and arousal emotions can shorten their visual cognition time. When the illuminance is between 200~230 lx, the passengers′ subjective emotion and visual performance cognition will reach the optimal level.