Research Of The Behavior Pattern Of Pilots Using HUD Under Flight Emergency

Head-up display can reduce pilots workload,improve flight accuracy and ensure airlines' around-the-clock operations to increase economic efficiency.In recent years.China's civil aviation is gradually promoting the application of Head-up display.However,Head-up display is a new technology for civil aviation pilots in our country.Its' application may bring a series of human factors problems,especially when the flight emergency appears.In view of the human factors caused by the Head-up display,the pilot's physical behavior pattern and behavioral pattern analysis of the pilot using the head-up display during flight emergency are presented.The results obtained research may provide a certain theoretical basis and technical support to the design of the head-up display and airworthiness certification of the workload of pilots using the Head-up display,and there is a certain guiding significance for pilots training.The main contents of this paper are as follows:(1)Interpretation and analysis of cockpit-related CAAC airworthiness regulations,and analysis of human factors caused by the use of Head-up display.(2)The research status of the eye movement behavior of the cockpit is studied.Basic forms of eye movement and the relationship between visual attention are analysied,summarizing the common measurements of eye movement and its significance,and introducing some applications of eye movement measurement.(3)Designing and carrying out the simulated flight experiment of sudden bad weather in approach and landing,made statistical analysis on the difference of eye movement behavior,electrocardiogram behavior and cognitive behavior caused by bad weather.The reasons for the differences are analyzed preliminarily.(4)Designing and carrying out the one engine failure experiment during the take-off with different visibility.The eye movement behavior and cognitive behavior of the participants were statistically analyzed,and the reasons for the differences were discussed.(5)Based on hidden Markov process,a pilot cognitive behavior recognition model is established.The forward algorithm,Viterbi algorithm and Baum-Welch algorithm are used to solve the evaluation,decoding and learning problems in the modeling process.The ergodic structure is selected and the model is verified.