Evaluation of air traffic controller's attention characteristics based on eye movement data

doi:10.16265/j.cnki.issn1003-3033.2023.02.2785

Abstract

Abstract:

In order to improve the relevance and effectiveness of air traffic controllers' training and enhance the safety of air traffic control process, the attention stability, attention allocation and transfer and attention breadth were proposed as the evaluation indexes of attention characteristics firstly. Secondly a simulated control experiment was designed to collect and analyze eye-movement data of thirty-six mature controllers. Thirdly three parameters of the variance visit counts(VVC) of area of interests, MTP and emergency situation reaction time(RT) were selected as the quantitative parameter values corresponding to the three evaluation metrics that portray attentional characteristics. Finally, K-Means clustering analysis was used to classify the attentional characteristics of controllers, and the resultant classification intervals of the evaluation values of the attentional characteristics of controllers were obtained. The evaluation results were compared with the expert scoring results. The results show that there are obvious differences in the attention characteristics and evaluation value of controllers with different categories. Excellent controllers have the characteristics of good stability, reasonable distribution of attention, wide attention span and sensitivity to special situations. The quantization parameter values are the VVC to the area of interest is 13.48-95.46, the interval of MTP is 0.03-0.22, and the special situation RT interval is 3-31s.

Key words: air traffic controller, eye movement data, attention characteristics, K-Means clustering, Markov transition probabilities(MTP)

WANG Lili, XU Lingpeng. Evaluation of air traffic controller's attention characteristics based on eye movement data[J]. China Safety Science Journal, 2023, 33(2): 217-224.

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评价指标	被试1	被试2	…	被试35	被试36
VVC	16.53	19.41	…	41.67	54.88
MTP	0.086	0.189	…	0.389	0.333
RT	50	15	…	20	11

评价指标	被试1	被试2	…	被试35	被试36
VVC	0.04	0.06	…	0.18	0.26
MTP	0.19	0.42	…	0.89	0.76
RT	0.76	0.19	…	0.27	0.13

指标		VVC	MTP	RT
VVC	皮尔逊相关性	1	0.021	-0.216
	双尾Sig.	—	0.905	0.207
	个案数	36	36	36
MTP	皮尔逊相关性	0.021	1	0.08
	双尾Sig.	0.905	—	0.642
	个案数	36	36	36
RT	皮尔逊相关性	-0.216	0.08	1
	双尾Sig.	0.207	0.642	—
	个案数	36	36	36

指标	聚类中心
指标	1	2	3	4
VVC	0.57	0.38	0.16	0.57
MTP	0.14	0.38	0.64	0.14
RT	0.15	0.41	0.21	0.15

指标		管制员分类	教员打分
管制员分类	皮尔逊相关性	1	-0.706^**
	双尾Sig.	—	0.000
	个案数	36	36
教员打分成绩	皮尔逊相关性	-0.706^**	1
	双尾Sig.	0.000	—
	个案数	36	36