Pilot situation awareness (SA) regulates flight safety, and inexperience may impair novice pilot reliability in SA. This study aims to determine the key influencing factors of SA analyze interrelationship interaction mechanism factors. We investigated 55 pilots trained at aviation schools identified factor index system by Delphi survey. The method Decision Making Trial Evaluation (DEMATEL) combined with Adversarial Interpretive Structure Modeling (AISM) was adopted. results show that: (1)...

With respect to the ergonomic evaluation and optimization in mental task design of aircraft cockpit display interface, experimental measurement theoretical modeling workload were carried out under flight simulation conditions using performance evaluation, subjective physiological methods. The results show that with an increased workload, detection accuracy operation significantly reduced reaction time was prolonged; standard deviation R-R intervals (SDNN) decreased, while mean heart rate...

Behavioral performance, subjective assessment based on NASA Task Load Index (NASA-TLX), as well physiological measures indexed by electrocardiograph (ECG), event-related potential (ERP), and eye tracking data were used to assess the mental workloa

Aircraft cockpit display interface (CDI) is one of the most important human–machine interfaces for information perceiving. During process aircraft design, situation awareness (SA) frequently considered to improve as CDI must provide enough SA pilot maintain flight safety. In order study in pilot-aircraft system, a simulation environment built up, which includes virtual instrument panel, visual and corresponding control system. Based on environment, human-in-the-loop experiment designed...

Excessive mental workload will reduce work efficiency, but low cause a waste of human resources. It is very significant to study the status operators. The existing classification method based on electroencephalogram (EEG) features, and its accuracy often because channel signals recorded by EEG electrodes are group mixed brain signals, which similar multi-source speech signals. not wise directly analyze in order distinguish feature In this study, we propose independent components (ICs)...

To predict changes of situation awareness (SA) for pilot operating with different display interfaces and tasks, a qualitative analysis quantitative calculation joint SA model was proposed. Based on the situational according to

BACKGROUND: The prediction and evaluation of pilot workload is a key problem in human factor airworthiness cockpit.OBJECTIVE: A traffic pattern task was designed flight simulation environment order to carry out the improve method.METHODS: typical subtasks dynamic workloads (cruise, approach, landing) were built up based on multiple resource theory, favorable validity achieved by correlation analysis verification between sensitive physiological data predicted value.RESULTS: Statistical...

BACKGROUND: Human factors involved with visual attention mechanism and fatigue are critical causes of modern aviation accidents. OBJECTIVE: To investigate the connection between flight fatigue, a mathematical model pilot's att

In order to discriminate situation awareness (SA) levels on the basis of SA-sensitive electroencephalography (EEG) features, high-SA (HSA) group and low-SA (LSA) groups, which are representative two SA levels, were classified according global assessment technology (SAGAT) scores measured in multi-attribute task battery (MATB) II tasks. Furthermore, three types EEG namely, absolute power, relative slow-wave/fast-wave (SW/FW), explored using spectral analysis. addition, repeated analysis...

According to a previously built situation-awareness (SA) model based on attention allocation, with the ACT-R (Adaptive Control of Thought, Rational) theory for analyzing pilot cognitive processes situation elements, an SA mathematical was improved predict during exposure different display interfaces and missions. An indicator-display monitoring task performed under experimental conditions verification, while global assessment technique (SAGAT), performance measures, 10-dimensional rating...

The pilot’s situational awareness (SA) mainly depends on the perception, understanding and prediction of information obtained from man-machine display interface, therefore there is an intrinsic link between interface design level SA. A quantitative SA model, which considers influence importance SA, characteristics human cognition Bayesian conditional probability theory, was proposed based attention allocation model built previously. This expected to be used predict levels under different...

Abstract The purpose of this study was to explore the electroencephalogram (EEG) features sensitive situation awareness (SA) and then classify SA levels. Forty-eight participants were recruited complete an standard test based on multi-attribute task battery (MATB) II, corresponding EEG data global assessment technology (SAGAT) scores recorded. population with top 25% SAGAT selected as high-SA level (HSL) group, bottom low-SA (LSL) group. results showed that (1) for relative power $\beta$ 1...

BACKGROUND: The aircraft cockpit is a highly intensive human-computer interaction system, and its design directly affects flight safety.OBJECTIVE: To optimize the display interface in complex tasks, present study aimed to propose dynamic conceptual framework timeline task analysis method for quantization of time effect mental workload influencing factors types prediction model.METHODS: multi-factor model based on attention resource allocation was integrated establish workload.The ergonomics...

Life cycle Human System Integration (HSI) practices are crucial for optimizing human system performance, reducing costs, and ensuring safety. To address the limited HSI under typical Readiness Levels (HRLs), our study proposes an theoretical framework applies it to design of human-machine interfaces (HMIs) special vehicles. A stakeholder survey evaluates effectiveness its application. Conclusions: (1) The framework, based on input-process-output model, covers processes their support across...

Mental workload is an important component in complex human-machine systems.The limited applicability of empirical measures produces the need for modeling and prediction methods.In present study, a mental model built on basis attentional resource allocation information processing to ensure pilots' accuracy speed understanding large amounts flight cockpit display interface.Validation with study abnormal attitude recovery task showed that this model's highly correlated experimental results.This...

Air route alternation caused by unexpected events in abnormal or emergency situations often produces adverse consequences on an operator’s cognition and behavior flight tasks. Under such a circumstance, it is especially necessary to examine the utility of interaction displays usually designed based routine environment. This study was aimed investigate effects air display design operators’ situation awareness (SA), task performance mental workload during simulated Twenty-four participants...

It is a very important issue to design the head-up display's information display format appropriately, thus help pilot identify targets and understand external environment efficiently. The present study carries out ergonomics evaluation of visual coding for aircraft based on literature analysis. First, using powerful OpenGL animation processing capability VS2008 programming platform, simulation model layout are developed, then experiment method operation performance test designed....

Abstract Accurate prediction and evaluation of pilot's situation awareness (SA) are great importance for ensuring flight safety. In the present study, an SA dynamic circulation (SADC) model is developed describing generation update processes in‐flight environments. SADC model, five cognitive statuses SA, which constitute in a closed‐loop network, put forward on framework adaptive control thought rational‐queuing network. By introducing progressive triggers low high covering three levels...