Research On Shift Method Of Air Traffic Controllers Base On Fatigue Management

With the increase in the number of air traffic control positions,more and more large-scale control units have the problem of scheduling difficulty.The irrationality schedule breaks the normal biological rhythm of the human body,reduces the ability of various physiological activities in the body,and leads to increased fatigue during work.In order to reduce the fatigue of Air Traffic Controllers and avoid the risk of fatigue during work,it is very important to study their shift methods.From the perspective of fatigue management,research the shift problem of Air Traffic Controllers to better alleviate fatigue.The fatigue management of Air Traffic Controllers is to avoid fatigue risk during work,through the analysis of fatigue influencing factors,fatigue formation mechanism and scientific principles of fatigue management,puts forward the fatigue management process of Air Traffic Controllers,and studies it from fatigue evaluation,fatigue risk assessment and fatigue mitigation.For the first stage fatigue evaluation research of the fatigue management process,based on biomathematics theory,from the three elements of circadian rhythm,sleep homeostasis and sleep inertia,the changing law of shift fatigue are analyzed and quantified,then constructed the fatigue evaluation model of Air Traffic Controllers.The example results show that the average Pearson correlation coefficient between the fatigue evaluation model of Air Traffic Controllers and other models is 90.6%,which can be used to evaluate the fatigue during work and provide fatigue basis for the research of shift optimization.In addition,based on the fatigue evaluation model of Air Traffic Controllers,the fatigue risk of the actual schedule is evaluated.The result shows that there is a fatigue risk in the schedule.Based on the research of fatigue risk assessment,there is irrationality in the actual schedule,and the use of scientific shift methods to avoid fatigue risk.According to the actual shift situation,two shift optimization methods of conventional and unconventional scenarios are proposed.The shift optimization model of Air Traffic Controllers based on fatigue minimization is proposed in an ideal state,with the minimize fatigue peak as the optimization goal,combined with actual shift requirements,a single shift optimization model and a periodic shift optimization model are constructed in turn.The example results show that compared with the actual schedule,the solution results of the shift optimization model of Air Traffic Controllers based on fatigue minimization average reduce 8.2% of the fatigue peak value and 4.5% of the fatigue average value,and the fatigue during work does not exceed the upper limit of fatigue management regulations.The flexible shift optimization model of Air Traffic Controllers is proposed to deal with fatigue risks caused by abnormal situations,with the minimum number of employees on duty as the optimization goal,and on the premise that the fatigue meets the specified range of fatigue management,combined with the actual shift requirements,the flexible shift optimization model of Air Traffic Controllers is constructed.The result of the example shows that the number of employees on duty is reduced from the 19 to 14,which can provide special response employee for abnormal situations and avoid unnecessary fatigue risks.